diff --git a/firmware/apple_all/MDK-ARM/apple_all.uvguix.allen b/firmware/apple_all/MDK-ARM/apple_all.uvguix.allen
index 288a2da..8517fb8 100644
--- a/firmware/apple_all/MDK-ARM/apple_all.uvguix.allen
+++ b/firmware/apple_all/MDK-ARM/apple_all.uvguix.allen
@@ -110,8 +110,8 @@
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         <OriginalItems>
           <Len>583</Len>
@@ -1862,12 +1862,30 @@
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     <MDIGroup>
       <Size>100</Size>
-      <ActiveTab>0</ActiveTab>
+      <ActiveTab>2</ActiveTab>
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         <Name>../Src/main.c</Name>
-        <ColumnNumber>29</ColumnNumber>
-        <TopLine>156</TopLine>
-        <CurrentLine>173</CurrentLine>
+        <ColumnNumber>8</ColumnNumber>
+        <TopLine>48</TopLine>
+        <CurrentLine>62</CurrentLine>
+        <Folding>1</Folding>
+        <ContractedFolders></ContractedFolders>
+        <PaneID>0</PaneID>
+      </Doc>
+      <Doc>
+        <Name>../Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_tim.h</Name>
+        <ColumnNumber>10</ColumnNumber>
+        <TopLine>282</TopLine>
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+        <PaneID>0</PaneID>
+      </Doc>
+      <Doc>
+        <Name>../Drivers/CMSIS/Device/ST/STM32F0xx/Include/stm32f072xb.h</Name>
+        <ColumnNumber>77</ColumnNumber>
+        <TopLine>530</TopLine>
+        <CurrentLine>563</CurrentLine>
         <Folding>1</Folding>
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diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all.axf b/firmware/apple_all/MDK-ARM/apple_all/apple_all.axf
index b09ec03..8d39f14 100644
Binary files a/firmware/apple_all/MDK-ARM/apple_all/apple_all.axf and b/firmware/apple_all/MDK-ARM/apple_all/apple_all.axf differ
diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all.build_log.htm b/firmware/apple_all/MDK-ARM/apple_all/apple_all.build_log.htm
index fca3330..5420093 100644
--- a/firmware/apple_all/MDK-ARM/apple_all/apple_all.build_log.htm
+++ b/firmware/apple_all/MDK-ARM/apple_all/apple_all.build_log.htm
@@ -28,13 +28,10 @@ Project File Date:  04/29/2022
 *** Using Compiler 'V5.06 update 6 (build 750)', folder: 'C:\Keil_v5\ARM\ARMCC\Bin'
 Build target 'apple_all'
 compiling main.c...
-../Src/main.c(220): warning:  #111-D: statement is unreachable
-    speed_val = abs(speed_val);
-../Src/main.c: 1 warning, 0 errors
 linking...
-Program Size: Code=9236 RO-data=328 RW-data=40 ZI-data=2080  
+Program Size: Code=9332 RO-data=328 RW-data=40 ZI-data=2096  
 FromELF: creating hex file...
-"apple_all\apple_all.axf" - 0 Error(s), 1 Warning(s).
+"apple_all\apple_all.axf" - 0 Error(s), 0 Warning(s).
 
 <h2>Software Packages used:</h2>
 
@@ -57,7 +54,7 @@ Package Vendor: Keil
 <h2>Collection of Component Files used:</h2>
 
    * Component: ARM::CMSIS:CORE:5.3.0
-Build Time Elapsed:  00:00:01
+Build Time Elapsed:  00:00:02
 </pre>
 </body>
 </html>
diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all.hex b/firmware/apple_all/MDK-ARM/apple_all/apple_all.hex
index 85c50cf..95fa68f 100644
--- a/firmware/apple_all/MDK-ARM/apple_all/apple_all.hex
+++ b/firmware/apple_all/MDK-ARM/apple_all/apple_all.hex
@@ -1,19 +1,19 @@
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diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all.htm b/firmware/apple_all/MDK-ARM/apple_all/apple_all.htm
index 864d90b..559ac91 100644
--- a/firmware/apple_all/MDK-ARM/apple_all/apple_all.htm
+++ b/firmware/apple_all/MDK-ARM/apple_all/apple_all.htm
@@ -3,7 +3,7 @@
 <title>Static Call Graph - [apple_all\apple_all.axf]</title></head>
 <body><HR>
 <H1>Static Call Graph for image apple_all\apple_all.axf</H1><HR>
-<BR><P>#&#060CALLGRAPH&#062# ARM Linker, 5060750: Last Updated: Fri Apr 29 23:40:22 2022
+<BR><P>#&#060CALLGRAPH&#062# ARM Linker, 5060750: Last Updated: Sat Apr 30 15:29:44 2022
 <BR><P>
 <H3>Maximum Stack Usage =        212 bytes + Unknown(Cycles, Untraceable Function Pointers)</H3><H3>
 Call chain for Maximum Stack Depth:</H3>
@@ -73,7 +73,7 @@ Global Symbols
 <P><STRONG><a name="[28]"></a>__main</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry.o(.ARM.Collect$$$$00000000))
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f072xb.o(.text)
 </UL>
-<P><STRONG><a name="[92]"></a>_main_stk</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))
+<P><STRONG><a name="[93]"></a>_main_stk</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry2.o(.ARM.Collect$$$$00000001))
 
 <P><STRONG><a name="[2f]"></a>_main_scatterload</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry5.o(.ARM.Collect$$$$00000004))
 <BR><BR>[Calls]<UL><LI><a href="#[30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload
@@ -83,15 +83,15 @@ Global Symbols
 <BR><BR>[Called By]<UL><LI><a href="#[30]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__scatterload
 </UL>
 
-<P><STRONG><a name="[93]"></a>_main_clock</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))
+<P><STRONG><a name="[94]"></a>_main_clock</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry7b.o(.ARM.Collect$$$$00000008))
 
-<P><STRONG><a name="[94]"></a>_main_cpp_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry8b.o(.ARM.Collect$$$$0000000A))
+<P><STRONG><a name="[95]"></a>_main_cpp_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry8b.o(.ARM.Collect$$$$0000000A))
 
-<P><STRONG><a name="[95]"></a>_main_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry9a.o(.ARM.Collect$$$$0000000B))
+<P><STRONG><a name="[96]"></a>_main_init</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry9a.o(.ARM.Collect$$$$0000000B))
 
-<P><STRONG><a name="[96]"></a>__rt_final_cpp</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000D))
+<P><STRONG><a name="[97]"></a>__rt_final_cpp</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry10a.o(.ARM.Collect$$$$0000000D))
 
-<P><STRONG><a name="[97]"></a>__rt_final_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$0000000F))
+<P><STRONG><a name="[98]"></a>__rt_final_exit</STRONG> (Thumb, 0 bytes, Stack size unknown bytes, entry11a.o(.ARM.Collect$$$$0000000F))
 
 <P><STRONG><a name="[0]"></a>Reset_Handler</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, startup_stm32f072xb.o(.text))
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f072xb.o(RESET)
@@ -187,53 +187,53 @@ Global Symbols
 <P><STRONG><a name="[6]"></a>WWDG_IRQHandler</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, startup_stm32f072xb.o(.text))
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f072xb.o(RESET)
 </UL>
-<P><STRONG><a name="[98]"></a>__aeabi_uidiv</STRONG> (Thumb, 0 bytes, Stack size 12 bytes, uidiv.o(.text), UNUSED)
+<P><STRONG><a name="[99]"></a>__aeabi_uidiv</STRONG> (Thumb, 0 bytes, Stack size 12 bytes, uidiv.o(.text), UNUSED)
 
 <P><STRONG><a name="[3b]"></a>__aeabi_uidivmod</STRONG> (Thumb, 44 bytes, Stack size 12 bytes, uidiv.o(.text))
 <BR><BR>[Stack]<UL><LI>Max Depth = 12<LI>Call Chain = __aeabi_uidivmod
 </UL>
-<BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
-<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_pop
-<LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_is_full
-<LI><a href="#[8a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
-<LI><a href="#[80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_is_full
-<LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
+<BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_pop
+<LI><a href="#[8d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_is_full
+<LI><a href="#[8c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
+<LI><a href="#[82]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_is_full
+<LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
 <LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_InitTick
 <LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetSysClockFreq
-<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
-<LI><a href="#[7c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_core
+<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
+<LI><a href="#[7e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_core
 </UL>
 
-<P><STRONG><a name="[8c]"></a>__aeabi_memcpy</STRONG> (Thumb, 36 bytes, Stack size 0 bytes, memcpya.o(.text))
-<BR><BR>[Called By]<UL><LI><a href="#[8a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
+<P><STRONG><a name="[8e]"></a>__aeabi_memcpy</STRONG> (Thumb, 36 bytes, Stack size 0 bytes, memcpya.o(.text))
+<BR><BR>[Called By]<UL><LI><a href="#[8c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
 </UL>
 
-<P><STRONG><a name="[99]"></a>__aeabi_memcpy4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)
+<P><STRONG><a name="[9a]"></a>__aeabi_memcpy4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)
 
-<P><STRONG><a name="[9a]"></a>__aeabi_memcpy8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)
+<P><STRONG><a name="[9b]"></a>__aeabi_memcpy8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memcpya.o(.text), UNUSED)
 
 <P><STRONG><a name="[32]"></a>__aeabi_memset</STRONG> (Thumb, 14 bytes, Stack size 0 bytes, memseta.o(.text))
 <BR><BR>[Called By]<UL><LI><a href="#[33]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_memset$wrapper
 <LI><a href="#[31]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr
 </UL>
 
-<P><STRONG><a name="[9b]"></a>__aeabi_memset4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
+<P><STRONG><a name="[9c]"></a>__aeabi_memset4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
 
-<P><STRONG><a name="[9c]"></a>__aeabi_memset8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
+<P><STRONG><a name="[9d]"></a>__aeabi_memset8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
 
 <P><STRONG><a name="[31]"></a>__aeabi_memclr</STRONG> (Thumb, 4 bytes, Stack size 0 bytes, memseta.o(.text))
 <BR><BR>[Calls]<UL><LI><a href="#[32]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memset
 </UL>
-<BR>[Called By]<UL><LI><a href="#[8d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_reset
-<LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_reset
+<BR>[Called By]<UL><LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_reset
+<LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_reset
 </UL>
 
-<P><STRONG><a name="[86]"></a>__aeabi_memclr4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text))
+<P><STRONG><a name="[88]"></a>__aeabi_memclr4</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text))
 <BR><BR>[Called By]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;parse_spi_buf
 <LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[9d]"></a>__aeabi_memclr8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
+<P><STRONG><a name="[9e]"></a>__aeabi_memclr8</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, memseta.o(.text), UNUSED)
 
 <P><STRONG><a name="[33]"></a>_memset$wrapper</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, memseta.o(.text), UNUSED)
 <BR><BR>[Calls]<UL><LI><a href="#[32]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memset
@@ -245,7 +245,7 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[2f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_main_scatterload
 </UL>
 
-<P><STRONG><a name="[9e]"></a>__scatterload_rt2</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)
+<P><STRONG><a name="[9f]"></a>__scatterload_rt2</STRONG> (Thumb, 0 bytes, Stack size 0 bytes, init.o(.text), UNUSED)
 
 <P><STRONG><a name="[44]"></a>HAL_DMA_Abort_IT</STRONG> (Thumb, 72 bytes, Stack size 16 bytes, stm32f0xx_hal_dma.o(i.HAL_DMA_Abort_IT))
 <BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = HAL_DMA_Abort_IT
@@ -258,41 +258,42 @@ Global Symbols
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
+<BR>[Called By]<UL><LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
 </UL>
 
 <P><STRONG><a name="[48]"></a>HAL_GPIO_Init</STRONG> (Thumb, 314 bytes, Stack size 24 bytes, stm32f0xx_hal_gpio.o(i.HAL_GPIO_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = HAL_GPIO_Init
 </UL>
-<BR>[Called By]<UL><LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_MspInit
+<BR>[Called By]<UL><LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_MspInit
 <LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_MspInit
-<LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
+<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
 </UL>
 
-<P><STRONG><a name="[91]"></a>HAL_GPIO_TogglePin</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, stm32f0xx_hal_gpio.o(i.HAL_GPIO_TogglePin))
-<BR><BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
+<P><STRONG><a name="[60]"></a>HAL_GPIO_TogglePin</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, stm32f0xx_hal_gpio.o(i.HAL_GPIO_TogglePin))
+<BR><BR>[Called By]<UL><LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
+<LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
 <P><STRONG><a name="[4b]"></a>HAL_GPIO_WritePin</STRONG> (Thumb, 12 bytes, Stack size 0 bytes, stm32f0xx_hal_gpio.o(i.HAL_GPIO_WritePin))
 <BR><BR>[Called By]<UL><LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_TxRxCpltCallback
-<LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
-<LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
+<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
+<LI><a href="#[91]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
 </UL>
 
 <P><STRONG><a name="[36]"></a>HAL_GetTick</STRONG> (Thumb, 6 bytes, Stack size 0 bytes, stm32f0xx_hal.o(i.HAL_GetTick))
-<BR><BR>[Called By]<UL><LI><a href="#[76]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFlagStateUntilTimeout
-<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFifoStateUntilTimeout
-<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
-<LI><a href="#[6b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
+<BR><BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFlagStateUntilTimeout
+<LI><a href="#[77]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFifoStateUntilTimeout
+<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
 <LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_OscConfig
 <LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_ClockConfig
 <LI><a href="#[3f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCCEx_PeriphCLKConfig
 <LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_Delay
-<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
-<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
+<LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
+<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
 </UL>
 
-<P><STRONG><a name="[77]"></a>HAL_IncTick</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, stm32f0xx_hal.o(i.HAL_IncTick))
+<P><STRONG><a name="[79]"></a>HAL_IncTick</STRONG> (Thumb, 10 bytes, Stack size 0 bytes, stm32f0xx_hal.o(i.HAL_IncTick))
 <BR><BR>[Called By]<UL><LI><a href="#[5]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SysTick_Handler
 </UL>
 
@@ -338,7 +339,7 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[51]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_MspInit
 <LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_MspInit
 <LI><a href="#[39]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_MspInit
-<LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 <LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_InitTick
 </UL>
 
@@ -347,7 +348,7 @@ Global Symbols
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 </UL>
 
 <P><STRONG><a name="[40]"></a>HAL_RCC_ClockConfig</STRONG> (Thumb, 320 bytes, Stack size 24 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_ClockConfig))
@@ -357,16 +358,16 @@ Global Symbols
 <LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_InitTick
 <LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetSysClockFreq
 </UL>
-<BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 </UL>
 
 <P><STRONG><a name="[3a]"></a>HAL_RCC_GetHCLKFreq</STRONG> (Thumb, 6 bytes, Stack size 0 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_GetHCLKFreq))
-<BR><BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<BR><BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 <LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_InitTick
 </UL>
 
-<P><STRONG><a name="[7a]"></a>HAL_RCC_GetPCLK1Freq</STRONG> (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_GetPCLK1Freq))
-<BR><BR>[Called By]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
+<P><STRONG><a name="[7c]"></a>HAL_RCC_GetPCLK1Freq</STRONG> (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_GetPCLK1Freq))
+<BR><BR>[Called By]<UL><LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
 </UL>
 
 <P><STRONG><a name="[41]"></a>HAL_RCC_GetSysClockFreq</STRONG> (Thumb, 90 bytes, Stack size 48 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_GetSysClockFreq))
@@ -375,7 +376,7 @@ Global Symbols
 <BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
 <BR>[Called By]<UL><LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_ClockConfig
-<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
+<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
 </UL>
 
 <P><STRONG><a name="[42]"></a>HAL_RCC_OscConfig</STRONG> (Thumb, 966 bytes, Stack size 32 bytes, stm32f0xx_hal_rcc.o(i.HAL_RCC_OscConfig))
@@ -383,12 +384,12 @@ Global Symbols
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 </UL>
 
 <P><STRONG><a name="[45]"></a>HAL_SPI_ErrorCallback</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_hal_spi.o(i.HAL_SPI_ErrorCallback))
 <BR><BR>[Called By]<UL><LI><a href="#[29]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_DMAAbortOnError
-<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 <LI><a href="#[43]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_IRQHandler
 </UL>
 
@@ -406,7 +407,7 @@ Global Symbols
 </UL>
 <BR>[Calls]<UL><LI><a href="#[47]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_MspInit
 </UL>
-<BR>[Called By]<UL><LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_SPI1_Init
+<BR>[Called By]<UL><LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_SPI1_Init
 </UL>
 
 <P><STRONG><a name="[47]"></a>HAL_SPI_MspInit</STRONG> (Thumb, 76 bytes, Stack size 32 bytes, stm32f0xx_hal_msp.o(i.HAL_SPI_MspInit))
@@ -419,8 +420,8 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[46]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_Init
 </UL>
 
-<P><STRONG><a name="[74]"></a>HAL_SPI_RxCpltCallback</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_hal_spi.o(i.HAL_SPI_RxCpltCallback))
-<BR><BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<P><STRONG><a name="[76]"></a>HAL_SPI_RxCpltCallback</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_hal_spi.o(i.HAL_SPI_RxCpltCallback))
+<BR><BR>[Called By]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 
 <P><STRONG><a name="[4d]"></a>HAL_SPI_TransmitReceive_IT</STRONG> (Thumb, 196 bytes, Stack size 20 bytes, stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT))
@@ -437,11 +438,11 @@ Global Symbols
 <LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;parse_spi_buf
 <LI><a href="#[4b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_WritePin
 </UL>
-<BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Called By]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 
-<P><STRONG><a name="[79]"></a>HAL_SYSTICK_CLKSourceConfig</STRONG> (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_hal_cortex.o(i.HAL_SYSTICK_CLKSourceConfig))
-<BR><BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<P><STRONG><a name="[7b]"></a>HAL_SYSTICK_CLKSourceConfig</STRONG> (Thumb, 20 bytes, Stack size 0 bytes, stm32f0xx_hal_cortex.o(i.HAL_SYSTICK_CLKSourceConfig))
+<BR><BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 </UL>
 
 <P><STRONG><a name="[4f]"></a>HAL_SYSTICK_Callback</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_hal_cortex.o(i.HAL_SYSTICK_Callback))
@@ -453,7 +454,7 @@ Global Symbols
 </UL>
 <BR>[Calls]<UL><LI><a href="#[3e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;NVIC_SetPriority
 </UL>
-<BR>[Called By]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<BR>[Called By]<UL><LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
 <LI><a href="#[38]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_InitTick
 </UL>
 
@@ -473,10 +474,10 @@ Global Symbols
 <BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_IRQHandler
 </UL>
 
-<P><STRONG><a name="[70]"></a>HAL_TIMEx_MasterConfigSynchronization</STRONG> (Thumb, 72 bytes, Stack size 16 bytes, stm32f0xx_hal_tim_ex.o(i.HAL_TIMEx_MasterConfigSynchronization))
+<P><STRONG><a name="[72]"></a>HAL_TIMEx_MasterConfigSynchronization</STRONG> (Thumb, 72 bytes, Stack size 16 bytes, stm32f0xx_hal_tim_ex.o(i.HAL_TIMEx_MasterConfigSynchronization))
 <BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = HAL_TIMEx_MasterConfigSynchronization
 </UL>
-<BR>[Called By]<UL><LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
+<BR>[Called By]<UL><LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
 </UL>
 
 <P><STRONG><a name="[50]"></a>HAL_TIM_Base_Init</STRONG> (Thumb, 52 bytes, Stack size 16 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_Base_Init))
@@ -486,7 +487,7 @@ Global Symbols
 <LI><a href="#[52]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;TIM_Base_SetConfig
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
-<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
+<LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
 </UL>
 
 <P><STRONG><a name="[51]"></a>HAL_TIM_Base_MspInit</STRONG> (Thumb, 106 bytes, Stack size 8 bytes, stm32f0xx_hal_msp.o(i.HAL_TIM_Base_MspInit))
@@ -498,11 +499,11 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Init
 </UL>
 
-<P><STRONG><a name="[7e]"></a>HAL_TIM_Base_Start</STRONG> (Thumb, 24 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_Base_Start))
-<BR><BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_us_init
+<P><STRONG><a name="[80]"></a>HAL_TIM_Base_Start</STRONG> (Thumb, 24 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_Base_Start))
+<BR><BR>[Called By]<UL><LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_us_init
 </UL>
 
-<P><STRONG><a name="[88]"></a>HAL_TIM_Base_Start_IT</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_Base_Start_IT))
+<P><STRONG><a name="[8a]"></a>HAL_TIM_Base_Start_IT</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_Base_Start_IT))
 <BR><BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
@@ -514,7 +515,7 @@ Global Symbols
 <LI><a href="#[55]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;TIM_TI1_ConfigInputStage
 <LI><a href="#[57]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;TIM_ITRx_SetConfig
 </UL>
-<BR>[Called By]<UL><LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
+<BR>[Called By]<UL><LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
 </UL>
 
 <P><STRONG><a name="[59]"></a>HAL_TIM_IC_CaptureCallback</STRONG> (Thumb, 2 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.HAL_TIM_IC_CaptureCallback))
@@ -544,15 +545,17 @@ Global Symbols
 <BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_IRQHandler
 </UL>
 
-<P><STRONG><a name="[5c]"></a>HAL_TIM_PeriodElapsedCallback</STRONG> (Thumb, 92 bytes, Stack size 16 bytes, main.o(i.HAL_TIM_PeriodElapsedCallback))
+<P><STRONG><a name="[5c]"></a>HAL_TIM_PeriodElapsedCallback</STRONG> (Thumb, 120 bytes, Stack size 16 bytes, main.o(i.HAL_TIM_PeriodElapsedCallback))
 <BR><BR>[Stack]<UL><LI>Max Depth = 40<LI>Call Chain = HAL_TIM_PeriodElapsedCallback &rArr; quad_increment &rArr; quad_write
 </UL>
-<BR>[Calls]<UL><LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;get_buf_avg
-<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;avg_buf_add
-<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_pop
-<LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_peek
-<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_increment
-<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_decrement
+<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_TogglePin
+<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;get_buf_avg
+<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;calc_arr
+<LI><a href="#[62]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;avg_buf_add
+<LI><a href="#[63]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_pop
+<LI><a href="#[61]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_peek
+<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_increment
+<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_decrement
 </UL>
 <BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_IRQHandler
 </UL>
@@ -561,30 +564,30 @@ Global Symbols
 <BR><BR>[Called By]<UL><LI><a href="#[58]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_IRQHandler
 </UL>
 
-<P><STRONG><a name="[66]"></a>HAL_UART_Init</STRONG> (Thumb, 108 bytes, Stack size 16 bytes, stm32f0xx_hal_uart.o(i.HAL_UART_Init))
+<P><STRONG><a name="[68]"></a>HAL_UART_Init</STRONG> (Thumb, 108 bytes, Stack size 16 bytes, stm32f0xx_hal_uart.o(i.HAL_UART_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 100<LI>Call Chain = HAL_UART_Init &rArr; UART_SetConfig &rArr; HAL_RCC_GetSysClockFreq &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_MspInit
-<LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
-<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
-<LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_AdvFeatureConfig
+<BR>[Calls]<UL><LI><a href="#[69]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_MspInit
+<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_SetConfig
+<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
+<LI><a href="#[6b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_AdvFeatureConfig
 </UL>
-<BR>[Called By]<UL><LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_USART1_UART_Init
+<BR>[Called By]<UL><LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_USART1_UART_Init
 </UL>
 
-<P><STRONG><a name="[67]"></a>HAL_UART_MspInit</STRONG> (Thumb, 66 bytes, Stack size 32 bytes, stm32f0xx_hal_msp.o(i.HAL_UART_MspInit))
+<P><STRONG><a name="[69]"></a>HAL_UART_MspInit</STRONG> (Thumb, 66 bytes, Stack size 32 bytes, stm32f0xx_hal_msp.o(i.HAL_UART_MspInit))
 <BR><BR>[Stack]<UL><LI>Max Depth = 56<LI>Call Chain = HAL_UART_MspInit &rArr; HAL_GPIO_Init
 </UL>
 <BR>[Calls]<UL><LI><a href="#[48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_Init
 </UL>
-<BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
+<BR>[Called By]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
 </UL>
 
-<P><STRONG><a name="[6b]"></a>HAL_UART_Transmit</STRONG> (Thumb, 200 bytes, Stack size 48 bytes, stm32f0xx_hal_uart.o(i.HAL_UART_Transmit))
+<P><STRONG><a name="[6d]"></a>HAL_UART_Transmit</STRONG> (Thumb, 200 bytes, Stack size 48 bytes, stm32f0xx_hal_uart.o(i.HAL_UART_Transmit))
 <BR><BR>[Stack]<UL><LI>Max Depth = 88<LI>Call Chain = HAL_UART_Transmit &rArr; UART_WaitOnFlagUntilTimeout
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
-<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
+<LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
 </UL>
 <BR>[Called By]<UL><LI><a href="#[2e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;fputc
 </UL>
@@ -616,15 +619,15 @@ Global Symbols
 <BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = SysTick_Handler &rArr; HAL_SYSTICK_IRQHandler
 </UL>
 <BR>[Calls]<UL><LI><a href="#[4e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SYSTICK_IRQHandler
-<LI><a href="#[77]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_IncTick
+<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_IncTick
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> startup_stm32f072xb.o(RESET)
 </UL>
-<P><STRONG><a name="[78]"></a>SystemClock_Config</STRONG> (Thumb, 106 bytes, Stack size 112 bytes, main.o(i.SystemClock_Config))
+<P><STRONG><a name="[7a]"></a>SystemClock_Config</STRONG> (Thumb, 106 bytes, Stack size 112 bytes, main.o(i.SystemClock_Config))
 <BR><BR>[Stack]<UL><LI>Max Depth = 196<LI>Call Chain = SystemClock_Config &rArr; HAL_RCC_ClockConfig &rArr; HAL_RCC_GetSysClockFreq &rArr; __aeabi_uidivmod
 </UL>
 <BR>[Calls]<UL><LI><a href="#[3c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SYSTICK_Config
-<LI><a href="#[79]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SYSTICK_CLKSourceConfig
+<LI><a href="#[7b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SYSTICK_CLKSourceConfig
 <LI><a href="#[42]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_OscConfig
 <LI><a href="#[3a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetHCLKFreq
 <LI><a href="#[40]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_ClockConfig
@@ -664,73 +667,77 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[53]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_ConfigClockSource
 </UL>
 
-<P><STRONG><a name="[69]"></a>UART_AdvFeatureConfig</STRONG> (Thumb, 202 bytes, Stack size 8 bytes, stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig))
+<P><STRONG><a name="[6b]"></a>UART_AdvFeatureConfig</STRONG> (Thumb, 202 bytes, Stack size 8 bytes, stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig))
 <BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = UART_AdvFeatureConfig
 </UL>
-<BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
+<BR>[Called By]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
 </UL>
 
-<P><STRONG><a name="[6a]"></a>UART_CheckIdleState</STRONG> (Thumb, 102 bytes, Stack size 24 bytes, stm32f0xx_hal_uart.o(i.UART_CheckIdleState))
+<P><STRONG><a name="[6c]"></a>UART_CheckIdleState</STRONG> (Thumb, 102 bytes, Stack size 24 bytes, stm32f0xx_hal_uart.o(i.UART_CheckIdleState))
 <BR><BR>[Stack]<UL><LI>Max Depth = 64<LI>Call Chain = UART_CheckIdleState &rArr; UART_WaitOnFlagUntilTimeout
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
-<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
+<LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_WaitOnFlagUntilTimeout
 </UL>
-<BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
+<BR>[Called By]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
 </UL>
 
-<P><STRONG><a name="[68]"></a>UART_SetConfig</STRONG> (Thumb, 316 bytes, Stack size 24 bytes, stm32f0xx_hal_uart.o(i.UART_SetConfig))
+<P><STRONG><a name="[6a]"></a>UART_SetConfig</STRONG> (Thumb, 316 bytes, Stack size 24 bytes, stm32f0xx_hal_uart.o(i.UART_SetConfig))
 <BR><BR>[Stack]<UL><LI>Max Depth = 84<LI>Call Chain = UART_SetConfig &rArr; HAL_RCC_GetSysClockFreq &rArr; __aeabi_uidivmod
 </UL>
 <BR>[Calls]<UL><LI><a href="#[41]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetSysClockFreq
-<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetPCLK1Freq
+<LI><a href="#[7c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_RCC_GetPCLK1Freq
 <LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
-<BR>[Called By]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
+<BR>[Called By]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
 </UL>
 
-<P><STRONG><a name="[6c]"></a>UART_WaitOnFlagUntilTimeout</STRONG> (Thumb, 98 bytes, Stack size 40 bytes, stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout))
+<P><STRONG><a name="[6e]"></a>UART_WaitOnFlagUntilTimeout</STRONG> (Thumb, 98 bytes, Stack size 40 bytes, stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout))
 <BR><BR>[Stack]<UL><LI>Max Depth = 40<LI>Call Chain = UART_WaitOnFlagUntilTimeout
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[6b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
-<LI><a href="#[6a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
+<BR>[Called By]<UL><LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
+<LI><a href="#[6c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;UART_CheckIdleState
 </UL>
 
-<P><STRONG><a name="[7b]"></a>__0printf$3</STRONG> (Thumb, 24 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3), UNUSED)
-<BR><BR>[Calls]<UL><LI><a href="#[7c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_core
+<P><STRONG><a name="[7d]"></a>__0printf$3</STRONG> (Thumb, 24 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3), UNUSED)
+<BR><BR>[Calls]<UL><LI><a href="#[7e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;_printf_core
 </UL>
 
-<P><STRONG><a name="[9f]"></a>__1printf$3</STRONG> (Thumb, 0 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3), UNUSED)
+<P><STRONG><a name="[a0]"></a>__1printf$3</STRONG> (Thumb, 0 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3), UNUSED)
 
-<P><STRONG><a name="[84]"></a>__2printf</STRONG> (Thumb, 0 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3))
+<P><STRONG><a name="[86]"></a>__2printf</STRONG> (Thumb, 0 bytes, Stack size 24 bytes, printf3.o(i.__0printf$3))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = __2printf
 </UL>
-<BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
+<BR>[Called By]<UL><LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
 <LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[a0]"></a>__scatterload_copy</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)
+<P><STRONG><a name="[a1]"></a>__scatterload_copy</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_copy), UNUSED)
 
-<P><STRONG><a name="[a1]"></a>__scatterload_null</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)
+<P><STRONG><a name="[a2]"></a>__scatterload_null</STRONG> (Thumb, 2 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_null), UNUSED)
 
-<P><STRONG><a name="[a2]"></a>__scatterload_zeroinit</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)
+<P><STRONG><a name="[a3]"></a>__scatterload_zeroinit</STRONG> (Thumb, 14 bytes, Stack size unknown bytes, handlers.o(i.__scatterload_zeroinit), UNUSED)
 
-<P><STRONG><a name="[61]"></a>avg_buf_add</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, main.o(i.avg_buf_add))
+<P><STRONG><a name="[62]"></a>avg_buf_add</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, main.o(i.avg_buf_add))
 <BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = avg_buf_add
 </UL>
 <BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[8e]"></a>byte_to_int16_t</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, main.o(i.byte_to_int16_t))
+<P><STRONG><a name="[90]"></a>byte_to_int16_t</STRONG> (Thumb, 8 bytes, Stack size 0 bytes, main.o(i.byte_to_int16_t))
 <BR><BR>[Called By]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;parse_spi_buf
 </UL>
 
-<P><STRONG><a name="[7d]"></a>delay_us_init</STRONG> (Thumb, 12 bytes, Stack size 8 bytes, delay_us.o(i.delay_us_init))
+<P><STRONG><a name="[65]"></a>calc_arr</STRONG> (Thumb, 50 bytes, Stack size 0 bytes, main.o(i.calc_arr))
+<BR><BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
+</UL>
+
+<P><STRONG><a name="[7f]"></a>delay_us_init</STRONG> (Thumb, 12 bytes, Stack size 8 bytes, delay_us.o(i.delay_us_init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = delay_us_init
 </UL>
-<BR>[Calls]<UL><LI><a href="#[7e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Start
+<BR>[Calls]<UL><LI><a href="#[80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Start
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
@@ -738,109 +745,109 @@ Global Symbols
 <P><STRONG><a name="[2e]"></a>fputc</STRONG> (Thumb, 18 bytes, Stack size 16 bytes, main.o(i.fputc))
 <BR><BR>[Stack]<UL><LI>Max Depth = 104<LI>Call Chain = fputc &rArr; HAL_UART_Transmit &rArr; UART_WaitOnFlagUntilTimeout
 </UL>
-<BR>[Calls]<UL><LI><a href="#[6b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
+<BR>[Calls]<UL><LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Transmit
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> printf3.o(i.__0printf$3)
 </UL>
-<P><STRONG><a name="[63]"></a>get_buf_avg</STRONG> (Thumb, 52 bytes, Stack size 0 bytes, main.o(i.get_buf_avg))
+<P><STRONG><a name="[64]"></a>get_buf_avg</STRONG> (Thumb, 52 bytes, Stack size 0 bytes, main.o(i.get_buf_avg))
 <BR><BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[7f]"></a>kb_buf_add</STRONG> (Thumb, 48 bytes, Stack size 16 bytes, helpers.o(i.kb_buf_add))
+<P><STRONG><a name="[81]"></a>kb_buf_add</STRONG> (Thumb, 48 bytes, Stack size 16 bytes, helpers.o(i.kb_buf_add))
 <BR><BR>[Stack]<UL><LI>Max Depth = 36<LI>Call Chain = kb_buf_add &rArr; kb_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[80]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_is_full
+<BR>[Calls]<UL><LI><a href="#[82]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_is_full
 <LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
 <BR>[Called By]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;parse_spi_buf
 </UL>
 
-<P><STRONG><a name="[81]"></a>kb_buf_init</STRONG> (Thumb, 32 bytes, Stack size 16 bytes, helpers.o(i.kb_buf_init))
+<P><STRONG><a name="[83]"></a>kb_buf_init</STRONG> (Thumb, 32 bytes, Stack size 16 bytes, helpers.o(i.kb_buf_init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 36<LI>Call Chain = kb_buf_init &rArr; malloc
 </UL>
-<BR>[Calls]<UL><LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_reset
-<LI><a href="#[82]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;malloc
+<BR>[Calls]<UL><LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_reset
+<LI><a href="#[84]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;malloc
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[80]"></a>kb_buf_is_full</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.kb_buf_is_full))
+<P><STRONG><a name="[82]"></a>kb_buf_is_full</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.kb_buf_is_full))
 <BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = kb_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
 <BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
-<BR>[Called By]<UL><LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
+<BR>[Called By]<UL><LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
 </UL>
 
-<P><STRONG><a name="[83]"></a>kb_buf_reset</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.kb_buf_reset))
+<P><STRONG><a name="[85]"></a>kb_buf_reset</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.kb_buf_reset))
 <BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = kb_buf_reset
 </UL>
 <BR>[Calls]<UL><LI><a href="#[31]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr
 </UL>
-<BR>[Called By]<UL><LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
+<BR>[Called By]<UL><LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
 </UL>
 
-<P><STRONG><a name="[26]"></a>main</STRONG> (Thumb, 208 bytes, Stack size 16 bytes, main.o(i.main))
+<P><STRONG><a name="[26]"></a>main</STRONG> (Thumb, 210 bytes, Stack size 16 bytes, main.o(i.main))
 <BR><BR>[Stack]<UL><LI>Max Depth = 212<LI>Call Chain = main &rArr; SystemClock_Config &rArr; HAL_RCC_ClockConfig &rArr; HAL_RCC_GetSysClockFreq &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Start_IT
+<BR>[Calls]<UL><LI><a href="#[8a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Start_IT
 <LI><a href="#[50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Init
 <LI><a href="#[4d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_TransmitReceive_IT
 <LI><a href="#[37]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_Init
-<LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
-<LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
-<LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_USART1_UART_Init
-<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
-<LI><a href="#[6e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_SPI1_Init
-<LI><a href="#[6d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
-<LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
-<LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
-<LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_init
-<LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_us_init
-<LI><a href="#[84]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__2printf
-<LI><a href="#[86]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr4
+<LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;spi_error_dump_reboot
+<LI><a href="#[7a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SystemClock_Config
+<LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_USART1_UART_Init
+<LI><a href="#[71]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_TIM2_Init
+<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_SPI1_Init
+<LI><a href="#[6f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;MX_GPIO_Init
+<LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
+<LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
+<LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_init
+<LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;delay_us_init
+<LI><a href="#[86]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__2printf
+<LI><a href="#[88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr4
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> entry9a.o(.ARM.Collect$$$$0000000B)
 </UL>
-<P><STRONG><a name="[82]"></a>malloc</STRONG> (Thumb, 92 bytes, Stack size 20 bytes, malloc.o(i.malloc))
+<P><STRONG><a name="[84]"></a>malloc</STRONG> (Thumb, 92 bytes, Stack size 20 bytes, malloc.o(i.malloc))
 <BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = malloc
 </UL>
-<BR>[Called By]<UL><LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
-<LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
+<BR>[Called By]<UL><LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
+<LI><a href="#[83]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_init
 </UL>
 
-<P><STRONG><a name="[8a]"></a>mouse_buf_add</STRONG> (Thumb, 50 bytes, Stack size 16 bytes, helpers.o(i.mouse_buf_add))
+<P><STRONG><a name="[8c]"></a>mouse_buf_add</STRONG> (Thumb, 50 bytes, Stack size 16 bytes, helpers.o(i.mouse_buf_add))
 <BR><BR>[Stack]<UL><LI>Max Depth = 36<LI>Call Chain = mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_is_full
-<LI><a href="#[8c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memcpy
+<BR>[Calls]<UL><LI><a href="#[8d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_is_full
+<LI><a href="#[8e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memcpy
 <LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
 <BR>[Called By]<UL><LI><a href="#[4c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;parse_spi_buf
 </UL>
 
-<P><STRONG><a name="[85]"></a>mouse_buf_init</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_init))
+<P><STRONG><a name="[87]"></a>mouse_buf_init</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 28<LI>Call Chain = mouse_buf_init &rArr; malloc
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_reset
-<LI><a href="#[82]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;malloc
+<BR>[Calls]<UL><LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_reset
+<LI><a href="#[84]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;malloc
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[8b]"></a>mouse_buf_is_full</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_is_full))
+<P><STRONG><a name="[8d]"></a>mouse_buf_is_full</STRONG> (Thumb, 28 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_is_full))
 <BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
 <BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
-<BR>[Called By]<UL><LI><a href="#[8a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
+<BR>[Called By]<UL><LI><a href="#[8c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
 </UL>
 
-<P><STRONG><a name="[60]"></a>mouse_buf_peek</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, helpers.o(i.mouse_buf_peek))
+<P><STRONG><a name="[61]"></a>mouse_buf_peek</STRONG> (Thumb, 22 bytes, Stack size 0 bytes, helpers.o(i.mouse_buf_peek))
 <BR><BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[62]"></a>mouse_buf_pop</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_pop))
+<P><STRONG><a name="[63]"></a>mouse_buf_pop</STRONG> (Thumb, 24 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_pop))
 <BR><BR>[Stack]<UL><LI>Max Depth = 20<LI>Call Chain = mouse_buf_pop &rArr; __aeabi_uidivmod
 </UL>
 <BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
@@ -848,73 +855,73 @@ Global Symbols
 <BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[8d]"></a>mouse_buf_reset</STRONG> (Thumb, 22 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_reset))
+<P><STRONG><a name="[8f]"></a>mouse_buf_reset</STRONG> (Thumb, 22 bytes, Stack size 8 bytes, helpers.o(i.mouse_buf_reset))
 <BR><BR>[Stack]<UL><LI>Max Depth = 8<LI>Call Chain = mouse_buf_reset
 </UL>
 <BR>[Calls]<UL><LI><a href="#[31]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr
 </UL>
-<BR>[Called By]<UL><LI><a href="#[85]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
+<BR>[Called By]<UL><LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_init
 </UL>
 
 <P><STRONG><a name="[4c]"></a>parse_spi_buf</STRONG> (Thumb, 184 bytes, Stack size 16 bytes, main.o(i.parse_spi_buf))
 <BR><BR>[Stack]<UL><LI>Max Depth = 52<LI>Call Chain = parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8e]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;byte_to_int16_t
-<LI><a href="#[8a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
-<LI><a href="#[7f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
-<LI><a href="#[86]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr4
+<BR>[Calls]<UL><LI><a href="#[90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;byte_to_int16_t
+<LI><a href="#[8c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;mouse_buf_add
+<LI><a href="#[81]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;kb_buf_add
+<LI><a href="#[88]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_memclr4
 </UL>
 <BR>[Called By]<UL><LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_TxRxCpltCallback
 </UL>
 
-<P><STRONG><a name="[65]"></a>quad_decrement</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_decrement))
+<P><STRONG><a name="[67]"></a>quad_decrement</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_decrement))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = quad_decrement &rArr; quad_write
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
+<BR>[Calls]<UL><LI><a href="#[91]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
 </UL>
 <BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[64]"></a>quad_increment</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_increment))
+<P><STRONG><a name="[66]"></a>quad_increment</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_increment))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = quad_increment &rArr; quad_write
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
+<BR>[Calls]<UL><LI><a href="#[91]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
 </UL>
 <BR>[Called By]<UL><LI><a href="#[5c]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_PeriodElapsedCallback
 </UL>
 
-<P><STRONG><a name="[87]"></a>quad_init</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_init))
+<P><STRONG><a name="[89]"></a>quad_init</STRONG> (Thumb, 18 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 32<LI>Call Chain = quad_init &rArr; quad_reset &rArr; quad_write
 </UL>
-<BR>[Calls]<UL><LI><a href="#[90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_reset
+<BR>[Calls]<UL><LI><a href="#[92]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_reset
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[90]"></a>quad_reset</STRONG> (Thumb, 12 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_reset))
+<P><STRONG><a name="[92]"></a>quad_reset</STRONG> (Thumb, 12 bytes, Stack size 8 bytes, quad_encoder.o(i.quad_reset))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = quad_reset &rArr; quad_write
 </UL>
-<BR>[Calls]<UL><LI><a href="#[8f]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
+<BR>[Calls]<UL><LI><a href="#[91]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_write
 </UL>
-<BR>[Called By]<UL><LI><a href="#[87]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_init
+<BR>[Called By]<UL><LI><a href="#[89]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_init
 </UL>
 
-<P><STRONG><a name="[8f]"></a>quad_write</STRONG> (Thumb, 44 bytes, Stack size 16 bytes, quad_encoder.o(i.quad_write))
+<P><STRONG><a name="[91]"></a>quad_write</STRONG> (Thumb, 44 bytes, Stack size 16 bytes, quad_encoder.o(i.quad_write))
 <BR><BR>[Stack]<UL><LI>Max Depth = 16<LI>Call Chain = quad_write
 </UL>
 <BR>[Calls]<UL><LI><a href="#[4b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_WritePin
 </UL>
-<BR>[Called By]<UL><LI><a href="#[90]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_reset
-<LI><a href="#[64]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_increment
-<LI><a href="#[65]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_decrement
+<BR>[Called By]<UL><LI><a href="#[92]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_reset
+<LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_increment
+<LI><a href="#[67]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;quad_decrement
 </UL>
 
-<P><STRONG><a name="[89]"></a>spi_error_dump_reboot</STRONG> (Thumb, 72 bytes, Stack size 0 bytes, main.o(i.spi_error_dump_reboot))
+<P><STRONG><a name="[8b]"></a>spi_error_dump_reboot</STRONG> (Thumb, 72 bytes, Stack size 0 bytes, main.o(i.spi_error_dump_reboot))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = spi_error_dump_reboot &rArr; __2printf
 </UL>
-<BR>[Calls]<UL><LI><a href="#[91]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_TogglePin
+<BR>[Calls]<UL><LI><a href="#[60]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_TogglePin
 <LI><a href="#[35]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_Delay
-<LI><a href="#[84]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__2printf
+<LI><a href="#[86]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__2printf
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
@@ -922,7 +929,7 @@ Global Symbols
 <H3>
 Local Symbols
 </H3>
-<P><STRONG><a name="[6d]"></a>MX_GPIO_Init</STRONG> (Thumb, 228 bytes, Stack size 48 bytes, main.o(i.MX_GPIO_Init))
+<P><STRONG><a name="[6f]"></a>MX_GPIO_Init</STRONG> (Thumb, 228 bytes, Stack size 48 bytes, main.o(i.MX_GPIO_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 72<LI>Call Chain = MX_GPIO_Init &rArr; HAL_GPIO_Init
 </UL>
 <BR>[Calls]<UL><LI><a href="#[48]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GPIO_Init
@@ -931,7 +938,7 @@ Local Symbols
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[6e]"></a>MX_SPI1_Init</STRONG> (Thumb, 52 bytes, Stack size 8 bytes, main.o(i.MX_SPI1_Init))
+<P><STRONG><a name="[70]"></a>MX_SPI1_Init</STRONG> (Thumb, 52 bytes, Stack size 8 bytes, main.o(i.MX_SPI1_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 88<LI>Call Chain = MX_SPI1_Init &rArr; HAL_SPI_Init &rArr; HAL_SPI_MspInit &rArr; HAL_GPIO_Init
 </UL>
 <BR>[Calls]<UL><LI><a href="#[46]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_Init
@@ -939,20 +946,20 @@ Local Symbols
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[6f]"></a>MX_TIM2_Init</STRONG> (Thumb, 80 bytes, Stack size 32 bytes, main.o(i.MX_TIM2_Init))
+<P><STRONG><a name="[71]"></a>MX_TIM2_Init</STRONG> (Thumb, 80 bytes, Stack size 32 bytes, main.o(i.MX_TIM2_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 68<LI>Call Chain = MX_TIM2_Init &rArr; HAL_TIM_ConfigClockSource &rArr; TIM_ETR_SetConfig
 </UL>
 <BR>[Calls]<UL><LI><a href="#[53]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_ConfigClockSource
 <LI><a href="#[50]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIM_Base_Init
-<LI><a href="#[70]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIMEx_MasterConfigSynchronization
+<LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_TIMEx_MasterConfigSynchronization
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
 
-<P><STRONG><a name="[71]"></a>MX_USART1_UART_Init</STRONG> (Thumb, 46 bytes, Stack size 8 bytes, main.o(i.MX_USART1_UART_Init))
+<P><STRONG><a name="[73]"></a>MX_USART1_UART_Init</STRONG> (Thumb, 46 bytes, Stack size 8 bytes, main.o(i.MX_USART1_UART_Init))
 <BR><BR>[Stack]<UL><LI>Max Depth = 108<LI>Call Chain = MX_USART1_UART_Init &rArr; HAL_UART_Init &rArr; UART_SetConfig &rArr; HAL_RCC_GetSysClockFreq &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[66]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
+<BR>[Calls]<UL><LI><a href="#[68]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_UART_Init
 </UL>
 <BR>[Called By]<UL><LI><a href="#[26]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;main
 </UL>
@@ -960,37 +967,37 @@ Local Symbols
 <P><STRONG><a name="[2a]"></a>SPI_2linesRxISR_16BIT</STRONG> (Thumb, 54 bytes, Stack size 8 bytes, stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_16BIT))
 <BR><BR>[Stack]<UL><LI>Max Depth = 92<LI>Call Chain = SPI_2linesRxISR_16BIT &rArr; SPI_CloseRxTx_ISR &rArr; HAL_SPI_TxRxCpltCallback &rArr; parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Calls]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT)
 </UL>
 <P><STRONG><a name="[2c]"></a>SPI_2linesRxISR_8BIT</STRONG> (Thumb, 94 bytes, Stack size 8 bytes, stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_8BIT))
 <BR><BR>[Stack]<UL><LI>Max Depth = 92<LI>Call Chain = SPI_2linesRxISR_8BIT &rArr; SPI_CloseRxTx_ISR &rArr; HAL_SPI_TxRxCpltCallback &rArr; parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Calls]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT)
 </UL>
 <P><STRONG><a name="[2b]"></a>SPI_2linesTxISR_16BIT</STRONG> (Thumb, 52 bytes, Stack size 8 bytes, stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_16BIT))
 <BR><BR>[Stack]<UL><LI>Max Depth = 92<LI>Call Chain = SPI_2linesTxISR_16BIT &rArr; SPI_CloseRxTx_ISR &rArr; HAL_SPI_TxRxCpltCallback &rArr; parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Calls]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT)
 </UL>
 <P><STRONG><a name="[2d]"></a>SPI_2linesTxISR_8BIT</STRONG> (Thumb, 72 bytes, Stack size 8 bytes, stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_8BIT))
 <BR><BR>[Stack]<UL><LI>Max Depth = 92<LI>Call Chain = SPI_2linesTxISR_8BIT &rArr; SPI_CloseRxTx_ISR &rArr; HAL_SPI_TxRxCpltCallback &rArr; parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Calls]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT)
 </UL>
-<P><STRONG><a name="[72]"></a>SPI_CloseRxTx_ISR</STRONG> (Thumb, 82 bytes, Stack size 16 bytes, stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR))
+<P><STRONG><a name="[74]"></a>SPI_CloseRxTx_ISR</STRONG> (Thumb, 82 bytes, Stack size 16 bytes, stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR))
 <BR><BR>[Stack]<UL><LI>Max Depth = 84<LI>Call Chain = SPI_CloseRxTx_ISR &rArr; HAL_SPI_TxRxCpltCallback &rArr; parse_spi_buf &rArr; mouse_buf_add &rArr; mouse_buf_is_full &rArr; __aeabi_uidivmod
 </UL>
-<BR>[Calls]<UL><LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
+<BR>[Calls]<UL><LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
 <LI><a href="#[4a]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_TxRxCpltCallback
-<LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_RxCpltCallback
+<LI><a href="#[76]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_RxCpltCallback
 <LI><a href="#[45]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_SPI_ErrorCallback
 <LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
@@ -1007,29 +1014,29 @@ Local Symbols
 </UL>
 <BR>[Address Reference Count : 1]<UL><LI> stm32f0xx_hal_spi.o(i.HAL_SPI_IRQHandler)
 </UL>
-<P><STRONG><a name="[73]"></a>SPI_EndRxTxTransaction</STRONG> (Thumb, 76 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction))
+<P><STRONG><a name="[75]"></a>SPI_EndRxTxTransaction</STRONG> (Thumb, 76 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction))
 <BR><BR>[Stack]<UL><LI>Max Depth = 48<LI>Call Chain = SPI_EndRxTxTransaction &rArr; SPI_WaitFlagStateUntilTimeout
 </UL>
-<BR>[Calls]<UL><LI><a href="#[76]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFlagStateUntilTimeout
-<LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFifoStateUntilTimeout
+<BR>[Calls]<UL><LI><a href="#[78]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFlagStateUntilTimeout
+<LI><a href="#[77]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_WaitFifoStateUntilTimeout
 </UL>
-<BR>[Called By]<UL><LI><a href="#[72]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
+<BR>[Called By]<UL><LI><a href="#[74]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_CloseRxTx_ISR
 </UL>
 
-<P><STRONG><a name="[75]"></a>SPI_WaitFifoStateUntilTimeout</STRONG> (Thumb, 150 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout))
+<P><STRONG><a name="[77]"></a>SPI_WaitFifoStateUntilTimeout</STRONG> (Thumb, 150 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = SPI_WaitFifoStateUntilTimeout
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
+<BR>[Called By]<UL><LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
 </UL>
 
-<P><STRONG><a name="[76]"></a>SPI_WaitFlagStateUntilTimeout</STRONG> (Thumb, 140 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout))
+<P><STRONG><a name="[78]"></a>SPI_WaitFlagStateUntilTimeout</STRONG> (Thumb, 140 bytes, Stack size 24 bytes, stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout))
 <BR><BR>[Stack]<UL><LI>Max Depth = 24<LI>Call Chain = SPI_WaitFlagStateUntilTimeout
 </UL>
 <BR>[Calls]<UL><LI><a href="#[36]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_GetTick
 </UL>
-<BR>[Called By]<UL><LI><a href="#[73]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
+<BR>[Called By]<UL><LI><a href="#[75]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;SPI_EndRxTxTransaction
 </UL>
 
 <P><STRONG><a name="[57]"></a>TIM_ITRx_SetConfig</STRONG> (Thumb, 16 bytes, Stack size 0 bytes, stm32f0xx_hal_tim.o(i.TIM_ITRx_SetConfig))
@@ -1053,10 +1060,10 @@ Local Symbols
 <LI><a href="#[3d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;HAL_NVIC_SetPriority
 </UL>
 
-<P><STRONG><a name="[7c]"></a>_printf_core</STRONG> (Thumb, 456 bytes, Stack size 88 bytes, printf3.o(i._printf_core), UNUSED)
+<P><STRONG><a name="[7e]"></a>_printf_core</STRONG> (Thumb, 456 bytes, Stack size 88 bytes, printf3.o(i._printf_core), UNUSED)
 <BR><BR>[Calls]<UL><LI><a href="#[3b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__aeabi_uidivmod
 </UL>
-<BR>[Called By]<UL><LI><a href="#[7b]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__0printf$3
+<BR>[Called By]<UL><LI><a href="#[7d]">&gt;&gt;</a>&nbsp;&nbsp;&nbsp;__0printf$3
 </UL>
 <P>
 <H3>
diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all.map b/firmware/apple_all/MDK-ARM/apple_all/apple_all.map
index b8914eb..571d5fe 100644
--- a/firmware/apple_all/MDK-ARM/apple_all/apple_all.map
+++ b/firmware/apple_all/MDK-ARM/apple_all/apple_all.map
@@ -46,10 +46,12 @@ Section Cross References
     main.o(i.HAL_SPI_TxRxCpltCallback) refers to stm32f0xx_hal_spi.o(i.HAL_SPI_TransmitReceive_IT) for HAL_SPI_TransmitReceive_IT
     main.o(i.HAL_SPI_TxRxCpltCallback) refers to main.o(.bss) for .bss
     main.o(i.HAL_SPI_TxRxCpltCallback) refers to main.o(.data) for .data
+    main.o(i.HAL_TIM_PeriodElapsedCallback) refers to stm32f0xx_hal_gpio.o(i.HAL_GPIO_TogglePin) for HAL_GPIO_TogglePin
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to helpers.o(i.mouse_buf_peek) for mouse_buf_peek
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to main.o(i.avg_buf_add) for avg_buf_add
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to helpers.o(i.mouse_buf_pop) for mouse_buf_pop
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to main.o(i.get_buf_avg) for get_buf_avg
+    main.o(i.HAL_TIM_PeriodElapsedCallback) refers to main.o(i.calc_arr) for calc_arr
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to quad_encoder.o(i.quad_increment) for quad_increment
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to quad_encoder.o(i.quad_decrement) for quad_decrement
     main.o(i.HAL_TIM_PeriodElapsedCallback) refers to main.o(.bss) for .bss
@@ -1068,7 +1070,6 @@ Removing Unused input sections from the image.
     Removing main.o(.rev16_text), (4 bytes).
     Removing main.o(.revsh_text), (4 bytes).
     Removing main.o(i._Error_Handler), (2 bytes).
-    Removing main.o(i.calc_arr), (8 bytes).
     Removing main.o(.bss), (16 bytes).
     Removing main.o(.constdata), (1 bytes).
     Removing main.o(.constdata), (1 bytes).
@@ -1542,7 +1543,7 @@ Removing Unused input sections from the image.
     Removing stm32f0xx_hal_tim.o(i.__ARM_common_switch8), (26 bytes).
     Removing depilogue.o(i.__ARM_clz), (46 bytes).
 
-488 unused section(s) (total 34960 bytes) removed from the image.
+487 unused section(s) (total 34952 bytes) removed from the image.
 
 ==============================================================================
 
@@ -1576,38 +1577,38 @@ Image Symbol Table
     ../Src/stm32f0xx_it.c                    0x00000000   Number         0  stm32f0xx_it.o ABSOLUTE
     ../clib/microlib/division.c              0x00000000   Number         0  uldiv.o ABSOLUTE
     ../clib/microlib/division.c              0x00000000   Number         0  uidiv.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry5.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry2.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11b.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11a.o ABSOLUTE
-    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry9b.o ABSOLUTE
     ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10a.o ABSOLUTE
-    ../clib/microlib/longlong.c              0x00000000   Number         0  llshl.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry10b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11a.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry5.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry11b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8a.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry2.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7a.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry7b.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry.o ABSOLUTE
+    ../clib/microlib/init/entry.s            0x00000000   Number         0  entry8b.o ABSOLUTE
     ../clib/microlib/longlong.c              0x00000000   Number         0  llushr.o ABSOLUTE
+    ../clib/microlib/longlong.c              0x00000000   Number         0  llshl.o ABSOLUTE
     ../clib/microlib/longlong.c              0x00000000   Number         0  llsshr.o ABSOLUTE
+    ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  malloc.o ABSOLUTE
+    ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  mallocr.o ABSOLUTE
     ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  malloca.o ABSOLUTE
     ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  mallocra.o ABSOLUTE
-    ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  mallocr.o ABSOLUTE
-    ../clib/microlib/malloc/malloc.c         0x00000000   Number         0  malloc.o ABSOLUTE
     ../clib/microlib/malloc/mvars.c          0x00000000   Number         0  mvars.o ABSOLUTE
-    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printfa.o ABSOLUTE
-    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf8.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf7.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf6.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf5.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf4.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf3.o ABSOLUTE
-    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf1.o ABSOLUTE
-    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf0.o ABSOLUTE
-    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printfb.o ABSOLUTE
     ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf2.o ABSOLUTE
+    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf0.o ABSOLUTE
+    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf8.o ABSOLUTE
+    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printfb.o ABSOLUTE
+    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printf1.o ABSOLUTE
+    ../clib/microlib/printf/printf.c         0x00000000   Number         0  printfa.o ABSOLUTE
     ../clib/microlib/printf/stubs.s          0x00000000   Number         0  stubs.o ABSOLUTE
     ../clib/microlib/stdio/streams.c         0x00000000   Number         0  stdout.o ABSOLUTE
     ../clib/microlib/string/memcpy.c         0x00000000   Number         0  memcpyb.o ABSOLUTE
@@ -1710,94 +1711,95 @@ Image Symbol Table
     i.HAL_TIM_OC_DelayElapsedCallback        0x08001200   Section        0  stm32f0xx_hal_tim.o(i.HAL_TIM_OC_DelayElapsedCallback)
     i.HAL_TIM_PWM_PulseFinishedCallback      0x08001202   Section        0  stm32f0xx_hal_tim.o(i.HAL_TIM_PWM_PulseFinishedCallback)
     i.HAL_TIM_PeriodElapsedCallback          0x08001204   Section        0  main.o(i.HAL_TIM_PeriodElapsedCallback)
-    i.HAL_TIM_TriggerCallback                0x08001270   Section        0  stm32f0xx_hal_tim.o(i.HAL_TIM_TriggerCallback)
-    i.HAL_UART_Init                          0x08001272   Section        0  stm32f0xx_hal_uart.o(i.HAL_UART_Init)
-    i.HAL_UART_MspInit                       0x080012e0   Section        0  stm32f0xx_hal_msp.o(i.HAL_UART_MspInit)
-    i.HAL_UART_Transmit                      0x0800132c   Section        0  stm32f0xx_hal_uart.o(i.HAL_UART_Transmit)
-    i.HardFault_Handler                      0x080013f4   Section        0  stm32f0xx_it.o(i.HardFault_Handler)
-    i.MX_GPIO_Init                           0x080013f8   Section        0  main.o(i.MX_GPIO_Init)
-    MX_GPIO_Init                             0x080013f9   Thumb Code   228  main.o(i.MX_GPIO_Init)
-    i.MX_SPI1_Init                           0x080014ec   Section        0  main.o(i.MX_SPI1_Init)
-    MX_SPI1_Init                             0x080014ed   Thumb Code    52  main.o(i.MX_SPI1_Init)
-    i.MX_TIM2_Init                           0x08001528   Section        0  main.o(i.MX_TIM2_Init)
-    MX_TIM2_Init                             0x08001529   Thumb Code    80  main.o(i.MX_TIM2_Init)
-    i.MX_USART1_UART_Init                    0x0800157c   Section        0  main.o(i.MX_USART1_UART_Init)
-    MX_USART1_UART_Init                      0x0800157d   Thumb Code    46  main.o(i.MX_USART1_UART_Init)
-    i.NMI_Handler                            0x080015b4   Section        0  stm32f0xx_it.o(i.NMI_Handler)
-    i.NVIC_SetPriority                       0x080015b8   Section        0  stm32f0xx_hal_cortex.o(i.NVIC_SetPriority)
-    NVIC_SetPriority                         0x080015b9   Thumb Code    60  stm32f0xx_hal_cortex.o(i.NVIC_SetPriority)
-    i.PendSV_Handler                         0x080015fc   Section        0  stm32f0xx_it.o(i.PendSV_Handler)
-    i.SPI1_IRQHandler                        0x08001600   Section        0  stm32f0xx_it.o(i.SPI1_IRQHandler)
-    i.SPI_2linesRxISR_16BIT                  0x08001610   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_16BIT)
-    SPI_2linesRxISR_16BIT                    0x08001611   Thumb Code    54  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_16BIT)
-    i.SPI_2linesRxISR_8BIT                   0x08001646   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_8BIT)
-    SPI_2linesRxISR_8BIT                     0x08001647   Thumb Code    94  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_8BIT)
-    i.SPI_2linesTxISR_16BIT                  0x080016a4   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_16BIT)
-    SPI_2linesTxISR_16BIT                    0x080016a5   Thumb Code    52  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_16BIT)
-    i.SPI_2linesTxISR_8BIT                   0x080016d8   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_8BIT)
-    SPI_2linesTxISR_8BIT                     0x080016d9   Thumb Code    72  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_8BIT)
-    i.SPI_CloseRxTx_ISR                      0x08001720   Section        0  stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR)
-    SPI_CloseRxTx_ISR                        0x08001721   Thumb Code    82  stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR)
-    i.SPI_DMAAbortOnError                    0x08001772   Section        0  stm32f0xx_hal_spi.o(i.SPI_DMAAbortOnError)
-    SPI_DMAAbortOnError                      0x08001773   Thumb Code    18  stm32f0xx_hal_spi.o(i.SPI_DMAAbortOnError)
-    i.SPI_EndRxTxTransaction                 0x08001784   Section        0  stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction)
-    SPI_EndRxTxTransaction                   0x08001785   Thumb Code    76  stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction)
-    i.SPI_WaitFifoStateUntilTimeout          0x080017d0   Section        0  stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout)
-    SPI_WaitFifoStateUntilTimeout            0x080017d1   Thumb Code   150  stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout)
-    i.SPI_WaitFlagStateUntilTimeout          0x08001866   Section        0  stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout)
-    SPI_WaitFlagStateUntilTimeout            0x08001867   Thumb Code   140  stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout)
-    i.SVC_Handler                            0x080018f2   Section        0  stm32f0xx_it.o(i.SVC_Handler)
-    i.SysTick_Handler                        0x080018f4   Section        0  stm32f0xx_it.o(i.SysTick_Handler)
-    i.SystemClock_Config                     0x08001900   Section        0  main.o(i.SystemClock_Config)
-    i.SystemInit                             0x0800196c   Section        0  system_stm32f0xx.o(i.SystemInit)
-    i.TIM16_IRQHandler                       0x080019c8   Section        0  stm32f0xx_it.o(i.TIM16_IRQHandler)
-    i.TIM17_IRQHandler                       0x080019d8   Section        0  stm32f0xx_it.o(i.TIM17_IRQHandler)
-    i.TIM_Base_SetConfig                     0x080019e8   Section        0  stm32f0xx_hal_tim.o(i.TIM_Base_SetConfig)
-    i.TIM_ETR_SetConfig                      0x08001a7c   Section        0  stm32f0xx_hal_tim.o(i.TIM_ETR_SetConfig)
-    i.TIM_ITRx_SetConfig                     0x08001a92   Section        0  stm32f0xx_hal_tim.o(i.TIM_ITRx_SetConfig)
-    TIM_ITRx_SetConfig                       0x08001a93   Thumb Code    16  stm32f0xx_hal_tim.o(i.TIM_ITRx_SetConfig)
-    i.TIM_TI1_ConfigInputStage               0x08001aa2   Section        0  stm32f0xx_hal_tim.o(i.TIM_TI1_ConfigInputStage)
-    TIM_TI1_ConfigInputStage                 0x08001aa3   Thumb Code    34  stm32f0xx_hal_tim.o(i.TIM_TI1_ConfigInputStage)
-    i.TIM_TI2_ConfigInputStage               0x08001ac4   Section        0  stm32f0xx_hal_tim.o(i.TIM_TI2_ConfigInputStage)
-    TIM_TI2_ConfigInputStage                 0x08001ac5   Thumb Code    38  stm32f0xx_hal_tim.o(i.TIM_TI2_ConfigInputStage)
-    i.UART_AdvFeatureConfig                  0x08001aea   Section        0  stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig)
-    i.UART_CheckIdleState                    0x08001bb4   Section        0  stm32f0xx_hal_uart.o(i.UART_CheckIdleState)
-    i.UART_SetConfig                         0x08001c28   Section        0  stm32f0xx_hal_uart.o(i.UART_SetConfig)
-    i.UART_WaitOnFlagUntilTimeout            0x08001d84   Section        0  stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout)
-    i.__0printf$3                            0x08001de8   Section        0  printf3.o(i.__0printf$3)
-    i.__scatterload_copy                     0x08001e08   Section       14  handlers.o(i.__scatterload_copy)
-    i.__scatterload_null                     0x08001e16   Section        2  handlers.o(i.__scatterload_null)
-    i.__scatterload_zeroinit                 0x08001e18   Section       14  handlers.o(i.__scatterload_zeroinit)
-    i._printf_core                           0x08001e28   Section        0  printf3.o(i._printf_core)
-    _printf_core                             0x08001e29   Thumb Code   456  printf3.o(i._printf_core)
-    i.avg_buf_add                            0x08001ff4   Section        0  main.o(i.avg_buf_add)
-    i.byte_to_int16_t                        0x08002018   Section        0  main.o(i.byte_to_int16_t)
-    i.delay_us_init                          0x08002020   Section        0  delay_us.o(i.delay_us_init)
-    i.fputc                                  0x08002030   Section        0  main.o(i.fputc)
-    i.get_buf_avg                            0x08002048   Section        0  main.o(i.get_buf_avg)
-    i.kb_buf_add                             0x08002080   Section        0  helpers.o(i.kb_buf_add)
-    i.kb_buf_init                            0x080020b0   Section        0  helpers.o(i.kb_buf_init)
-    i.kb_buf_is_full                         0x080020d0   Section        0  helpers.o(i.kb_buf_is_full)
-    i.kb_buf_reset                           0x080020ec   Section        0  helpers.o(i.kb_buf_reset)
-    i.main                                   0x08002108   Section        0  main.o(i.main)
-    i.malloc                                 0x08002210   Section        0  malloc.o(i.malloc)
-    i.mouse_buf_add                          0x0800227c   Section        0  helpers.o(i.mouse_buf_add)
-    i.mouse_buf_init                         0x080022ae   Section        0  helpers.o(i.mouse_buf_init)
-    i.mouse_buf_is_full                      0x080022c6   Section        0  helpers.o(i.mouse_buf_is_full)
-    i.mouse_buf_peek                         0x080022e2   Section        0  helpers.o(i.mouse_buf_peek)
-    i.mouse_buf_pop                          0x080022f8   Section        0  helpers.o(i.mouse_buf_pop)
-    i.mouse_buf_reset                        0x08002310   Section        0  helpers.o(i.mouse_buf_reset)
-    i.parse_spi_buf                          0x08002328   Section        0  main.o(i.parse_spi_buf)
-    i.quad_decrement                         0x080023e8   Section        0  quad_encoder.o(i.quad_decrement)
-    i.quad_increment                         0x080023fa   Section        0  quad_encoder.o(i.quad_increment)
-    i.quad_init                              0x0800240c   Section        0  quad_encoder.o(i.quad_init)
-    i.quad_reset                             0x0800241e   Section        0  quad_encoder.o(i.quad_reset)
-    i.quad_write                             0x0800242c   Section        0  quad_encoder.o(i.quad_write)
-    i.spi_error_dump_reboot                  0x0800245c   Section        0  main.o(i.spi_error_dump_reboot)
-    .constdata                               0x080024d4   Section        4  quad_encoder.o(.constdata)
-    .constdata                               0x080024d8   Section       73  main.o(.constdata)
-    .constdata                               0x08002521   Section       16  system_stm32f0xx.o(.constdata)
-    .constdata                               0x08002531   Section        8  system_stm32f0xx.o(.constdata)
+    i.HAL_TIM_TriggerCallback                0x0800128c   Section        0  stm32f0xx_hal_tim.o(i.HAL_TIM_TriggerCallback)
+    i.HAL_UART_Init                          0x0800128e   Section        0  stm32f0xx_hal_uart.o(i.HAL_UART_Init)
+    i.HAL_UART_MspInit                       0x080012fc   Section        0  stm32f0xx_hal_msp.o(i.HAL_UART_MspInit)
+    i.HAL_UART_Transmit                      0x08001348   Section        0  stm32f0xx_hal_uart.o(i.HAL_UART_Transmit)
+    i.HardFault_Handler                      0x08001410   Section        0  stm32f0xx_it.o(i.HardFault_Handler)
+    i.MX_GPIO_Init                           0x08001414   Section        0  main.o(i.MX_GPIO_Init)
+    MX_GPIO_Init                             0x08001415   Thumb Code   228  main.o(i.MX_GPIO_Init)
+    i.MX_SPI1_Init                           0x08001508   Section        0  main.o(i.MX_SPI1_Init)
+    MX_SPI1_Init                             0x08001509   Thumb Code    52  main.o(i.MX_SPI1_Init)
+    i.MX_TIM2_Init                           0x08001544   Section        0  main.o(i.MX_TIM2_Init)
+    MX_TIM2_Init                             0x08001545   Thumb Code    80  main.o(i.MX_TIM2_Init)
+    i.MX_USART1_UART_Init                    0x08001598   Section        0  main.o(i.MX_USART1_UART_Init)
+    MX_USART1_UART_Init                      0x08001599   Thumb Code    46  main.o(i.MX_USART1_UART_Init)
+    i.NMI_Handler                            0x080015d0   Section        0  stm32f0xx_it.o(i.NMI_Handler)
+    i.NVIC_SetPriority                       0x080015d4   Section        0  stm32f0xx_hal_cortex.o(i.NVIC_SetPriority)
+    NVIC_SetPriority                         0x080015d5   Thumb Code    60  stm32f0xx_hal_cortex.o(i.NVIC_SetPriority)
+    i.PendSV_Handler                         0x08001618   Section        0  stm32f0xx_it.o(i.PendSV_Handler)
+    i.SPI1_IRQHandler                        0x0800161c   Section        0  stm32f0xx_it.o(i.SPI1_IRQHandler)
+    i.SPI_2linesRxISR_16BIT                  0x0800162c   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_16BIT)
+    SPI_2linesRxISR_16BIT                    0x0800162d   Thumb Code    54  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_16BIT)
+    i.SPI_2linesRxISR_8BIT                   0x08001662   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_8BIT)
+    SPI_2linesRxISR_8BIT                     0x08001663   Thumb Code    94  stm32f0xx_hal_spi.o(i.SPI_2linesRxISR_8BIT)
+    i.SPI_2linesTxISR_16BIT                  0x080016c0   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_16BIT)
+    SPI_2linesTxISR_16BIT                    0x080016c1   Thumb Code    52  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_16BIT)
+    i.SPI_2linesTxISR_8BIT                   0x080016f4   Section        0  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_8BIT)
+    SPI_2linesTxISR_8BIT                     0x080016f5   Thumb Code    72  stm32f0xx_hal_spi.o(i.SPI_2linesTxISR_8BIT)
+    i.SPI_CloseRxTx_ISR                      0x0800173c   Section        0  stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR)
+    SPI_CloseRxTx_ISR                        0x0800173d   Thumb Code    82  stm32f0xx_hal_spi.o(i.SPI_CloseRxTx_ISR)
+    i.SPI_DMAAbortOnError                    0x0800178e   Section        0  stm32f0xx_hal_spi.o(i.SPI_DMAAbortOnError)
+    SPI_DMAAbortOnError                      0x0800178f   Thumb Code    18  stm32f0xx_hal_spi.o(i.SPI_DMAAbortOnError)
+    i.SPI_EndRxTxTransaction                 0x080017a0   Section        0  stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction)
+    SPI_EndRxTxTransaction                   0x080017a1   Thumb Code    76  stm32f0xx_hal_spi.o(i.SPI_EndRxTxTransaction)
+    i.SPI_WaitFifoStateUntilTimeout          0x080017ec   Section        0  stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout)
+    SPI_WaitFifoStateUntilTimeout            0x080017ed   Thumb Code   150  stm32f0xx_hal_spi.o(i.SPI_WaitFifoStateUntilTimeout)
+    i.SPI_WaitFlagStateUntilTimeout          0x08001882   Section        0  stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout)
+    SPI_WaitFlagStateUntilTimeout            0x08001883   Thumb Code   140  stm32f0xx_hal_spi.o(i.SPI_WaitFlagStateUntilTimeout)
+    i.SVC_Handler                            0x0800190e   Section        0  stm32f0xx_it.o(i.SVC_Handler)
+    i.SysTick_Handler                        0x08001910   Section        0  stm32f0xx_it.o(i.SysTick_Handler)
+    i.SystemClock_Config                     0x0800191c   Section        0  main.o(i.SystemClock_Config)
+    i.SystemInit                             0x08001988   Section        0  system_stm32f0xx.o(i.SystemInit)
+    i.TIM16_IRQHandler                       0x080019e4   Section        0  stm32f0xx_it.o(i.TIM16_IRQHandler)
+    i.TIM17_IRQHandler                       0x080019f4   Section        0  stm32f0xx_it.o(i.TIM17_IRQHandler)
+    i.TIM_Base_SetConfig                     0x08001a04   Section        0  stm32f0xx_hal_tim.o(i.TIM_Base_SetConfig)
+    i.TIM_ETR_SetConfig                      0x08001a98   Section        0  stm32f0xx_hal_tim.o(i.TIM_ETR_SetConfig)
+    i.TIM_ITRx_SetConfig                     0x08001aae   Section        0  stm32f0xx_hal_tim.o(i.TIM_ITRx_SetConfig)
+    TIM_ITRx_SetConfig                       0x08001aaf   Thumb Code    16  stm32f0xx_hal_tim.o(i.TIM_ITRx_SetConfig)
+    i.TIM_TI1_ConfigInputStage               0x08001abe   Section        0  stm32f0xx_hal_tim.o(i.TIM_TI1_ConfigInputStage)
+    TIM_TI1_ConfigInputStage                 0x08001abf   Thumb Code    34  stm32f0xx_hal_tim.o(i.TIM_TI1_ConfigInputStage)
+    i.TIM_TI2_ConfigInputStage               0x08001ae0   Section        0  stm32f0xx_hal_tim.o(i.TIM_TI2_ConfigInputStage)
+    TIM_TI2_ConfigInputStage                 0x08001ae1   Thumb Code    38  stm32f0xx_hal_tim.o(i.TIM_TI2_ConfigInputStage)
+    i.UART_AdvFeatureConfig                  0x08001b06   Section        0  stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig)
+    i.UART_CheckIdleState                    0x08001bd0   Section        0  stm32f0xx_hal_uart.o(i.UART_CheckIdleState)
+    i.UART_SetConfig                         0x08001c44   Section        0  stm32f0xx_hal_uart.o(i.UART_SetConfig)
+    i.UART_WaitOnFlagUntilTimeout            0x08001da0   Section        0  stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout)
+    i.__0printf$3                            0x08001e04   Section        0  printf3.o(i.__0printf$3)
+    i.__scatterload_copy                     0x08001e24   Section       14  handlers.o(i.__scatterload_copy)
+    i.__scatterload_null                     0x08001e32   Section        2  handlers.o(i.__scatterload_null)
+    i.__scatterload_zeroinit                 0x08001e34   Section       14  handlers.o(i.__scatterload_zeroinit)
+    i._printf_core                           0x08001e44   Section        0  printf3.o(i._printf_core)
+    _printf_core                             0x08001e45   Thumb Code   456  printf3.o(i._printf_core)
+    i.avg_buf_add                            0x08002010   Section        0  main.o(i.avg_buf_add)
+    i.byte_to_int16_t                        0x08002034   Section        0  main.o(i.byte_to_int16_t)
+    i.calc_arr                               0x0800203c   Section        0  main.o(i.calc_arr)
+    i.delay_us_init                          0x0800207c   Section        0  delay_us.o(i.delay_us_init)
+    i.fputc                                  0x0800208c   Section        0  main.o(i.fputc)
+    i.get_buf_avg                            0x080020a4   Section        0  main.o(i.get_buf_avg)
+    i.kb_buf_add                             0x080020dc   Section        0  helpers.o(i.kb_buf_add)
+    i.kb_buf_init                            0x0800210c   Section        0  helpers.o(i.kb_buf_init)
+    i.kb_buf_is_full                         0x0800212c   Section        0  helpers.o(i.kb_buf_is_full)
+    i.kb_buf_reset                           0x08002148   Section        0  helpers.o(i.kb_buf_reset)
+    i.main                                   0x08002164   Section        0  main.o(i.main)
+    i.malloc                                 0x08002270   Section        0  malloc.o(i.malloc)
+    i.mouse_buf_add                          0x080022dc   Section        0  helpers.o(i.mouse_buf_add)
+    i.mouse_buf_init                         0x0800230e   Section        0  helpers.o(i.mouse_buf_init)
+    i.mouse_buf_is_full                      0x08002326   Section        0  helpers.o(i.mouse_buf_is_full)
+    i.mouse_buf_peek                         0x08002342   Section        0  helpers.o(i.mouse_buf_peek)
+    i.mouse_buf_pop                          0x08002358   Section        0  helpers.o(i.mouse_buf_pop)
+    i.mouse_buf_reset                        0x08002370   Section        0  helpers.o(i.mouse_buf_reset)
+    i.parse_spi_buf                          0x08002388   Section        0  main.o(i.parse_spi_buf)
+    i.quad_decrement                         0x08002448   Section        0  quad_encoder.o(i.quad_decrement)
+    i.quad_increment                         0x0800245a   Section        0  quad_encoder.o(i.quad_increment)
+    i.quad_init                              0x0800246c   Section        0  quad_encoder.o(i.quad_init)
+    i.quad_reset                             0x0800247e   Section        0  quad_encoder.o(i.quad_reset)
+    i.quad_write                             0x0800248c   Section        0  quad_encoder.o(i.quad_write)
+    i.spi_error_dump_reboot                  0x080024bc   Section        0  main.o(i.spi_error_dump_reboot)
+    .constdata                               0x08002534   Section        4  quad_encoder.o(.constdata)
+    .constdata                               0x08002538   Section       73  main.o(.constdata)
+    .constdata                               0x08002581   Section       16  system_stm32f0xx.o(.constdata)
+    .constdata                               0x08002591   Section        8  system_stm32f0xx.o(.constdata)
     .data                                    0x20000000   Section        4  delay_us.o(.data)
     .data                                    0x20000004   Section       16  main.o(.data)
     .data                                    0x20000014   Section        4  stm32f0xx_hal.o(.data)
@@ -1805,9 +1807,9 @@ Image Symbol Table
     .data                                    0x2000001c   Section        4  stdout.o(.data)
     .data                                    0x20000020   Section        4  mvars.o(.data)
     .data                                    0x20000024   Section        4  mvars.o(.data)
-    .bss                                     0x20000028   Section      540  main.o(.bss)
-    HEAP                                     0x20000248   Section      512  startup_stm32f072xb.o(HEAP)
-    STACK                                    0x20000448   Section     1024  startup_stm32f072xb.o(STACK)
+    .bss                                     0x20000028   Section      556  main.o(.bss)
+    HEAP                                     0x20000258   Section      512  startup_stm32f072xb.o(HEAP)
+    STACK                                    0x20000458   Section     1024  startup_stm32f072xb.o(STACK)
 
     Global Symbols
 
@@ -1958,63 +1960,64 @@ Image Symbol Table
     HAL_TIM_IRQHandler                       0x0800109f   Thumb Code   354  stm32f0xx_hal_tim.o(i.HAL_TIM_IRQHandler)
     HAL_TIM_OC_DelayElapsedCallback          0x08001201   Thumb Code     2  stm32f0xx_hal_tim.o(i.HAL_TIM_OC_DelayElapsedCallback)
     HAL_TIM_PWM_PulseFinishedCallback        0x08001203   Thumb Code     2  stm32f0xx_hal_tim.o(i.HAL_TIM_PWM_PulseFinishedCallback)
-    HAL_TIM_PeriodElapsedCallback            0x08001205   Thumb Code    92  main.o(i.HAL_TIM_PeriodElapsedCallback)
-    HAL_TIM_TriggerCallback                  0x08001271   Thumb Code     2  stm32f0xx_hal_tim.o(i.HAL_TIM_TriggerCallback)
-    HAL_UART_Init                            0x08001273   Thumb Code   108  stm32f0xx_hal_uart.o(i.HAL_UART_Init)
-    HAL_UART_MspInit                         0x080012e1   Thumb Code    66  stm32f0xx_hal_msp.o(i.HAL_UART_MspInit)
-    HAL_UART_Transmit                        0x0800132d   Thumb Code   200  stm32f0xx_hal_uart.o(i.HAL_UART_Transmit)
-    HardFault_Handler                        0x080013f5   Thumb Code     2  stm32f0xx_it.o(i.HardFault_Handler)
-    NMI_Handler                              0x080015b5   Thumb Code     2  stm32f0xx_it.o(i.NMI_Handler)
-    PendSV_Handler                           0x080015fd   Thumb Code     2  stm32f0xx_it.o(i.PendSV_Handler)
-    SPI1_IRQHandler                          0x08001601   Thumb Code    10  stm32f0xx_it.o(i.SPI1_IRQHandler)
-    SVC_Handler                              0x080018f3   Thumb Code     2  stm32f0xx_it.o(i.SVC_Handler)
-    SysTick_Handler                          0x080018f5   Thumb Code    12  stm32f0xx_it.o(i.SysTick_Handler)
-    SystemClock_Config                       0x08001901   Thumb Code   106  main.o(i.SystemClock_Config)
-    SystemInit                               0x0800196d   Thumb Code    76  system_stm32f0xx.o(i.SystemInit)
-    TIM16_IRQHandler                         0x080019c9   Thumb Code    10  stm32f0xx_it.o(i.TIM16_IRQHandler)
-    TIM17_IRQHandler                         0x080019d9   Thumb Code    10  stm32f0xx_it.o(i.TIM17_IRQHandler)
-    TIM_Base_SetConfig                       0x080019e9   Thumb Code   124  stm32f0xx_hal_tim.o(i.TIM_Base_SetConfig)
-    TIM_ETR_SetConfig                        0x08001a7d   Thumb Code    22  stm32f0xx_hal_tim.o(i.TIM_ETR_SetConfig)
-    UART_AdvFeatureConfig                    0x08001aeb   Thumb Code   202  stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig)
-    UART_CheckIdleState                      0x08001bb5   Thumb Code   102  stm32f0xx_hal_uart.o(i.UART_CheckIdleState)
-    UART_SetConfig                           0x08001c29   Thumb Code   316  stm32f0xx_hal_uart.o(i.UART_SetConfig)
-    UART_WaitOnFlagUntilTimeout              0x08001d85   Thumb Code    98  stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout)
-    __0printf$3                              0x08001de9   Thumb Code    24  printf3.o(i.__0printf$3)
-    __1printf$3                              0x08001de9   Thumb Code     0  printf3.o(i.__0printf$3)
-    __2printf                                0x08001de9   Thumb Code     0  printf3.o(i.__0printf$3)
-    __scatterload_copy                       0x08001e09   Thumb Code    14  handlers.o(i.__scatterload_copy)
-    __scatterload_null                       0x08001e17   Thumb Code     2  handlers.o(i.__scatterload_null)
-    __scatterload_zeroinit                   0x08001e19   Thumb Code    14  handlers.o(i.__scatterload_zeroinit)
-    avg_buf_add                              0x08001ff5   Thumb Code    28  main.o(i.avg_buf_add)
-    byte_to_int16_t                          0x08002019   Thumb Code     8  main.o(i.byte_to_int16_t)
-    delay_us_init                            0x08002021   Thumb Code    12  delay_us.o(i.delay_us_init)
-    fputc                                    0x08002031   Thumb Code    18  main.o(i.fputc)
-    get_buf_avg                              0x08002049   Thumb Code    52  main.o(i.get_buf_avg)
-    kb_buf_add                               0x08002081   Thumb Code    48  helpers.o(i.kb_buf_add)
-    kb_buf_init                              0x080020b1   Thumb Code    32  helpers.o(i.kb_buf_init)
-    kb_buf_is_full                           0x080020d1   Thumb Code    28  helpers.o(i.kb_buf_is_full)
-    kb_buf_reset                             0x080020ed   Thumb Code    28  helpers.o(i.kb_buf_reset)
-    main                                     0x08002109   Thumb Code   208  main.o(i.main)
-    malloc                                   0x08002211   Thumb Code    92  malloc.o(i.malloc)
-    mouse_buf_add                            0x0800227d   Thumb Code    50  helpers.o(i.mouse_buf_add)
-    mouse_buf_init                           0x080022af   Thumb Code    24  helpers.o(i.mouse_buf_init)
-    mouse_buf_is_full                        0x080022c7   Thumb Code    28  helpers.o(i.mouse_buf_is_full)
-    mouse_buf_peek                           0x080022e3   Thumb Code    22  helpers.o(i.mouse_buf_peek)
-    mouse_buf_pop                            0x080022f9   Thumb Code    24  helpers.o(i.mouse_buf_pop)
-    mouse_buf_reset                          0x08002311   Thumb Code    22  helpers.o(i.mouse_buf_reset)
-    parse_spi_buf                            0x08002329   Thumb Code   184  main.o(i.parse_spi_buf)
-    quad_decrement                           0x080023e9   Thumb Code    18  quad_encoder.o(i.quad_decrement)
-    quad_increment                           0x080023fb   Thumb Code    18  quad_encoder.o(i.quad_increment)
-    quad_init                                0x0800240d   Thumb Code    18  quad_encoder.o(i.quad_init)
-    quad_reset                               0x0800241f   Thumb Code    12  quad_encoder.o(i.quad_reset)
-    quad_write                               0x0800242d   Thumb Code    44  quad_encoder.o(i.quad_write)
-    spi_error_dump_reboot                    0x0800245d   Thumb Code    72  main.o(i.spi_error_dump_reboot)
-    grey_code_lookup                         0x080024d4   Data           4  quad_encoder.o(.constdata)
-    boot_message                             0x080024d8   Data          73  main.o(.constdata)
-    AHBPrescTable                            0x08002521   Data          16  system_stm32f0xx.o(.constdata)
-    APBPrescTable                            0x08002531   Data           8  system_stm32f0xx.o(.constdata)
-    Region$$Table$$Base                      0x0800253c   Number         0  anon$$obj.o(Region$$Table)
-    Region$$Table$$Limit                     0x0800255c   Number         0  anon$$obj.o(Region$$Table)
+    HAL_TIM_PeriodElapsedCallback            0x08001205   Thumb Code   120  main.o(i.HAL_TIM_PeriodElapsedCallback)
+    HAL_TIM_TriggerCallback                  0x0800128d   Thumb Code     2  stm32f0xx_hal_tim.o(i.HAL_TIM_TriggerCallback)
+    HAL_UART_Init                            0x0800128f   Thumb Code   108  stm32f0xx_hal_uart.o(i.HAL_UART_Init)
+    HAL_UART_MspInit                         0x080012fd   Thumb Code    66  stm32f0xx_hal_msp.o(i.HAL_UART_MspInit)
+    HAL_UART_Transmit                        0x08001349   Thumb Code   200  stm32f0xx_hal_uart.o(i.HAL_UART_Transmit)
+    HardFault_Handler                        0x08001411   Thumb Code     2  stm32f0xx_it.o(i.HardFault_Handler)
+    NMI_Handler                              0x080015d1   Thumb Code     2  stm32f0xx_it.o(i.NMI_Handler)
+    PendSV_Handler                           0x08001619   Thumb Code     2  stm32f0xx_it.o(i.PendSV_Handler)
+    SPI1_IRQHandler                          0x0800161d   Thumb Code    10  stm32f0xx_it.o(i.SPI1_IRQHandler)
+    SVC_Handler                              0x0800190f   Thumb Code     2  stm32f0xx_it.o(i.SVC_Handler)
+    SysTick_Handler                          0x08001911   Thumb Code    12  stm32f0xx_it.o(i.SysTick_Handler)
+    SystemClock_Config                       0x0800191d   Thumb Code   106  main.o(i.SystemClock_Config)
+    SystemInit                               0x08001989   Thumb Code    76  system_stm32f0xx.o(i.SystemInit)
+    TIM16_IRQHandler                         0x080019e5   Thumb Code    10  stm32f0xx_it.o(i.TIM16_IRQHandler)
+    TIM17_IRQHandler                         0x080019f5   Thumb Code    10  stm32f0xx_it.o(i.TIM17_IRQHandler)
+    TIM_Base_SetConfig                       0x08001a05   Thumb Code   124  stm32f0xx_hal_tim.o(i.TIM_Base_SetConfig)
+    TIM_ETR_SetConfig                        0x08001a99   Thumb Code    22  stm32f0xx_hal_tim.o(i.TIM_ETR_SetConfig)
+    UART_AdvFeatureConfig                    0x08001b07   Thumb Code   202  stm32f0xx_hal_uart.o(i.UART_AdvFeatureConfig)
+    UART_CheckIdleState                      0x08001bd1   Thumb Code   102  stm32f0xx_hal_uart.o(i.UART_CheckIdleState)
+    UART_SetConfig                           0x08001c45   Thumb Code   316  stm32f0xx_hal_uart.o(i.UART_SetConfig)
+    UART_WaitOnFlagUntilTimeout              0x08001da1   Thumb Code    98  stm32f0xx_hal_uart.o(i.UART_WaitOnFlagUntilTimeout)
+    __0printf$3                              0x08001e05   Thumb Code    24  printf3.o(i.__0printf$3)
+    __1printf$3                              0x08001e05   Thumb Code     0  printf3.o(i.__0printf$3)
+    __2printf                                0x08001e05   Thumb Code     0  printf3.o(i.__0printf$3)
+    __scatterload_copy                       0x08001e25   Thumb Code    14  handlers.o(i.__scatterload_copy)
+    __scatterload_null                       0x08001e33   Thumb Code     2  handlers.o(i.__scatterload_null)
+    __scatterload_zeroinit                   0x08001e35   Thumb Code    14  handlers.o(i.__scatterload_zeroinit)
+    avg_buf_add                              0x08002011   Thumb Code    28  main.o(i.avg_buf_add)
+    byte_to_int16_t                          0x08002035   Thumb Code     8  main.o(i.byte_to_int16_t)
+    calc_arr                                 0x0800203d   Thumb Code    50  main.o(i.calc_arr)
+    delay_us_init                            0x0800207d   Thumb Code    12  delay_us.o(i.delay_us_init)
+    fputc                                    0x0800208d   Thumb Code    18  main.o(i.fputc)
+    get_buf_avg                              0x080020a5   Thumb Code    52  main.o(i.get_buf_avg)
+    kb_buf_add                               0x080020dd   Thumb Code    48  helpers.o(i.kb_buf_add)
+    kb_buf_init                              0x0800210d   Thumb Code    32  helpers.o(i.kb_buf_init)
+    kb_buf_is_full                           0x0800212d   Thumb Code    28  helpers.o(i.kb_buf_is_full)
+    kb_buf_reset                             0x08002149   Thumb Code    28  helpers.o(i.kb_buf_reset)
+    main                                     0x08002165   Thumb Code   210  main.o(i.main)
+    malloc                                   0x08002271   Thumb Code    92  malloc.o(i.malloc)
+    mouse_buf_add                            0x080022dd   Thumb Code    50  helpers.o(i.mouse_buf_add)
+    mouse_buf_init                           0x0800230f   Thumb Code    24  helpers.o(i.mouse_buf_init)
+    mouse_buf_is_full                        0x08002327   Thumb Code    28  helpers.o(i.mouse_buf_is_full)
+    mouse_buf_peek                           0x08002343   Thumb Code    22  helpers.o(i.mouse_buf_peek)
+    mouse_buf_pop                            0x08002359   Thumb Code    24  helpers.o(i.mouse_buf_pop)
+    mouse_buf_reset                          0x08002371   Thumb Code    22  helpers.o(i.mouse_buf_reset)
+    parse_spi_buf                            0x08002389   Thumb Code   184  main.o(i.parse_spi_buf)
+    quad_decrement                           0x08002449   Thumb Code    18  quad_encoder.o(i.quad_decrement)
+    quad_increment                           0x0800245b   Thumb Code    18  quad_encoder.o(i.quad_increment)
+    quad_init                                0x0800246d   Thumb Code    18  quad_encoder.o(i.quad_init)
+    quad_reset                               0x0800247f   Thumb Code    12  quad_encoder.o(i.quad_reset)
+    quad_write                               0x0800248d   Thumb Code    44  quad_encoder.o(i.quad_write)
+    spi_error_dump_reboot                    0x080024bd   Thumb Code    72  main.o(i.spi_error_dump_reboot)
+    grey_code_lookup                         0x08002534   Data           4  quad_encoder.o(.constdata)
+    boot_message                             0x08002538   Data          73  main.o(.constdata)
+    AHBPrescTable                            0x08002581   Data          16  system_stm32f0xx.o(.constdata)
+    APBPrescTable                            0x08002591   Data           8  system_stm32f0xx.o(.constdata)
+    Region$$Table$$Base                      0x0800259c   Number         0  anon$$obj.o(Region$$Table)
+    Region$$Table$$Limit                     0x080025bc   Number         0  anon$$obj.o(Region$$Table)
     us_timer                                 0x20000000   Data           4  delay_us.o(.data)
     hw_revision                              0x20000004   Data           1  main.o(.data)
     spi_error_occured                        0x20000005   Data           1  main.o(.data)
@@ -2036,11 +2039,11 @@ Image Symbol Table
     my_kb_buf                                0x200001fc   Data          12  main.o(.bss)
     latest_mouse_event                       0x20000208   Data          12  main.o(.bss)
     protocol_status_lookup                   0x20000214   Data          16  main.o(.bss)
-    avg_buf                                  0x20000224   Data          16  main.o(.bss)
-    quad_x                                   0x20000234   Data          16  main.o(.bss)
-    __heap_base                              0x20000248   Data           0  startup_stm32f072xb.o(HEAP)
-    __heap_limit                             0x20000448   Data           0  startup_stm32f072xb.o(HEAP)
-    __initial_sp                             0x20000848   Data           0  startup_stm32f072xb.o(STACK)
+    avg_buf                                  0x20000224   Data          32  main.o(.bss)
+    quad_x                                   0x20000244   Data          16  main.o(.bss)
+    __heap_base                              0x20000258   Data           0  startup_stm32f072xb.o(HEAP)
+    __heap_limit                             0x20000458   Data           0  startup_stm32f072xb.o(HEAP)
+    __initial_sp                             0x20000858   Data           0  startup_stm32f072xb.o(STACK)
 
 
 
@@ -2050,171 +2053,172 @@ Memory Map of the image
 
   Image Entry point : 0x080000c1
 
-  Load Region LR_IROM1 (Base: 0x08000000, Size: 0x00002584, Max: 0x00010000, ABSOLUTE)
+  Load Region LR_IROM1 (Base: 0x08000000, Size: 0x000025e4, Max: 0x00010000, ABSOLUTE)
 
-    Execution Region ER_IROM1 (Exec base: 0x08000000, Load base: 0x08000000, Size: 0x0000255c, Max: 0x00010000, ABSOLUTE)
+    Execution Region ER_IROM1 (Exec base: 0x08000000, Load base: 0x08000000, Size: 0x000025bc, Max: 0x00010000, ABSOLUTE)
 
     Exec Addr    Load Addr    Size         Type   Attr      Idx    E Section Name        Object
 
     0x08000000   0x08000000   0x000000c0   Data   RO            3    RESET               startup_stm32f072xb.o
-    0x080000c0   0x080000c0   0x00000000   Code   RO         3581  * .ARM.Collect$$$$00000000  mc_p.l(entry.o)
-    0x080000c0   0x080000c0   0x00000004   Code   RO         3883    .ARM.Collect$$$$00000001  mc_p.l(entry2.o)
-    0x080000c4   0x080000c4   0x00000004   Code   RO         3886    .ARM.Collect$$$$00000004  mc_p.l(entry5.o)
-    0x080000c8   0x080000c8   0x00000000   Code   RO         3888    .ARM.Collect$$$$00000008  mc_p.l(entry7b.o)
-    0x080000c8   0x080000c8   0x00000000   Code   RO         3890    .ARM.Collect$$$$0000000A  mc_p.l(entry8b.o)
-    0x080000c8   0x080000c8   0x00000008   Code   RO         3891    .ARM.Collect$$$$0000000B  mc_p.l(entry9a.o)
-    0x080000d0   0x080000d0   0x00000000   Code   RO         3893    .ARM.Collect$$$$0000000D  mc_p.l(entry10a.o)
-    0x080000d0   0x080000d0   0x00000000   Code   RO         3895    .ARM.Collect$$$$0000000F  mc_p.l(entry11a.o)
-    0x080000d0   0x080000d0   0x00000004   Code   RO         3884    .ARM.Collect$$$$00002712  mc_p.l(entry2.o)
+    0x080000c0   0x080000c0   0x00000000   Code   RO         3582  * .ARM.Collect$$$$00000000  mc_p.l(entry.o)
+    0x080000c0   0x080000c0   0x00000004   Code   RO         3884    .ARM.Collect$$$$00000001  mc_p.l(entry2.o)
+    0x080000c4   0x080000c4   0x00000004   Code   RO         3887    .ARM.Collect$$$$00000004  mc_p.l(entry5.o)
+    0x080000c8   0x080000c8   0x00000000   Code   RO         3889    .ARM.Collect$$$$00000008  mc_p.l(entry7b.o)
+    0x080000c8   0x080000c8   0x00000000   Code   RO         3891    .ARM.Collect$$$$0000000A  mc_p.l(entry8b.o)
+    0x080000c8   0x080000c8   0x00000008   Code   RO         3892    .ARM.Collect$$$$0000000B  mc_p.l(entry9a.o)
+    0x080000d0   0x080000d0   0x00000000   Code   RO         3894    .ARM.Collect$$$$0000000D  mc_p.l(entry10a.o)
+    0x080000d0   0x080000d0   0x00000000   Code   RO         3896    .ARM.Collect$$$$0000000F  mc_p.l(entry11a.o)
+    0x080000d0   0x080000d0   0x00000004   Code   RO         3885    .ARM.Collect$$$$00002712  mc_p.l(entry2.o)
     0x080000d4   0x080000d4   0x0000001c   Code   RO            4    .text               startup_stm32f072xb.o
-    0x080000f0   0x080000f0   0x0000002c   Code   RO         3584    .text               mc_p.l(uidiv.o)
-    0x0800011c   0x0800011c   0x00000024   Code   RO         3588    .text               mc_p.l(memcpya.o)
-    0x08000140   0x08000140   0x00000024   Code   RO         3590    .text               mc_p.l(memseta.o)
-    0x08000164   0x08000164   0x00000024   Code   RO         3913    .text               mc_p.l(init.o)
-    0x08000188   0x08000188   0x00000048   Code   RO         3028    i.HAL_DMA_Abort_IT  stm32f0xx_hal_dma.o
-    0x080001d0   0x080001d0   0x0000001c   Code   RO         2357    i.HAL_Delay         stm32f0xx_hal.o
-    0x080001ec   0x080001ec   0x00000158   Code   RO         2966    i.HAL_GPIO_Init     stm32f0xx_hal_gpio.o
-    0x08000344   0x08000344   0x00000008   Code   RO         2969    i.HAL_GPIO_TogglePin  stm32f0xx_hal_gpio.o
-    0x0800034c   0x0800034c   0x0000000c   Code   RO         2970    i.HAL_GPIO_WritePin  stm32f0xx_hal_gpio.o
-    0x08000358   0x08000358   0x0000000c   Code   RO         2361    i.HAL_GetTick       stm32f0xx_hal.o
-    0x08000364   0x08000364   0x00000010   Code   RO         2365    i.HAL_IncTick       stm32f0xx_hal.o
-    0x08000374   0x08000374   0x00000020   Code   RO         2366    i.HAL_Init          stm32f0xx_hal.o
-    0x08000394   0x08000394   0x00000022   Code   RO         2367    i.HAL_InitTick      stm32f0xx_hal.o
+    0x080000f0   0x080000f0   0x0000002c   Code   RO         3585    .text               mc_p.l(uidiv.o)
+    0x0800011c   0x0800011c   0x00000024   Code   RO         3589    .text               mc_p.l(memcpya.o)
+    0x08000140   0x08000140   0x00000024   Code   RO         3591    .text               mc_p.l(memseta.o)
+    0x08000164   0x08000164   0x00000024   Code   RO         3914    .text               mc_p.l(init.o)
+    0x08000188   0x08000188   0x00000048   Code   RO         3029    i.HAL_DMA_Abort_IT  stm32f0xx_hal_dma.o
+    0x080001d0   0x080001d0   0x0000001c   Code   RO         2358    i.HAL_Delay         stm32f0xx_hal.o
+    0x080001ec   0x080001ec   0x00000158   Code   RO         2967    i.HAL_GPIO_Init     stm32f0xx_hal_gpio.o
+    0x08000344   0x08000344   0x00000008   Code   RO         2970    i.HAL_GPIO_TogglePin  stm32f0xx_hal_gpio.o
+    0x0800034c   0x0800034c   0x0000000c   Code   RO         2971    i.HAL_GPIO_WritePin  stm32f0xx_hal_gpio.o
+    0x08000358   0x08000358   0x0000000c   Code   RO         2362    i.HAL_GetTick       stm32f0xx_hal.o
+    0x08000364   0x08000364   0x00000010   Code   RO         2366    i.HAL_IncTick       stm32f0xx_hal.o
+    0x08000374   0x08000374   0x00000020   Code   RO         2367    i.HAL_Init          stm32f0xx_hal.o
+    0x08000394   0x08000394   0x00000022   Code   RO         2368    i.HAL_InitTick      stm32f0xx_hal.o
     0x080003b6   0x080003b6   0x00000002   PAD
-    0x080003b8   0x080003b8   0x00000044   Code   RO          493    i.HAL_MspInit       stm32f0xx_hal_msp.o
-    0x080003fc   0x080003fc   0x00000014   Code   RO         3123    i.HAL_NVIC_EnableIRQ  stm32f0xx_hal_cortex.o
-    0x08000410   0x08000410   0x00000008   Code   RO         3127    i.HAL_NVIC_SetPriority  stm32f0xx_hal_cortex.o
-    0x08000418   0x08000418   0x00000120   Code   RO         2277    i.HAL_RCCEx_PeriphCLKConfig  stm32f0xx_hal_rcc_ex.o
-    0x08000538   0x08000538   0x00000154   Code   RO         2175    i.HAL_RCC_ClockConfig  stm32f0xx_hal_rcc.o
-    0x0800068c   0x0800068c   0x0000000c   Code   RO         2180    i.HAL_RCC_GetHCLKFreq  stm32f0xx_hal_rcc.o
-    0x08000698   0x08000698   0x00000020   Code   RO         2182    i.HAL_RCC_GetPCLK1Freq  stm32f0xx_hal_rcc.o
-    0x080006b8   0x080006b8   0x00000088   Code   RO         2183    i.HAL_RCC_GetSysClockFreq  stm32f0xx_hal_rcc.o
-    0x08000740   0x08000740   0x000003d8   Code   RO         2186    i.HAL_RCC_OscConfig  stm32f0xx_hal_rcc.o
-    0x08000b18   0x08000b18   0x00000002   Code   RO          556    i.HAL_SPI_ErrorCallback  stm32f0xx_hal_spi.o
+    0x080003b8   0x080003b8   0x00000044   Code   RO          494    i.HAL_MspInit       stm32f0xx_hal_msp.o
+    0x080003fc   0x080003fc   0x00000014   Code   RO         3124    i.HAL_NVIC_EnableIRQ  stm32f0xx_hal_cortex.o
+    0x08000410   0x08000410   0x00000008   Code   RO         3128    i.HAL_NVIC_SetPriority  stm32f0xx_hal_cortex.o
+    0x08000418   0x08000418   0x00000120   Code   RO         2278    i.HAL_RCCEx_PeriphCLKConfig  stm32f0xx_hal_rcc_ex.o
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     0x08000b1a   0x08000b1a   0x00000002   PAD
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     0x08000cfe   0x08000cfe   0x00000002   PAD
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     0x08000e4e   0x08000e4e   0x00000002   PAD
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-    0x080015fe   0x080015fe   0x00000002   PAD
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+    0x08001bd0   0x08001bd0   0x00000074   Code   RO         1813    i.UART_CheckIdleState  stm32f0xx_hal_uart.o
+    0x08001c44   0x08001c44   0x0000015c   Code   RO         1828    i.UART_SetConfig    stm32f0xx_hal_uart.o
+    0x08001da0   0x08001da0   0x00000062   Code   RO         1830    i.UART_WaitOnFlagUntilTimeout  stm32f0xx_hal_uart.o
+    0x08001e02   0x08001e02   0x00000002   PAD
+    0x08001e04   0x08001e04   0x00000020   Code   RO         3684    i.__0printf$3       mc_p.l(printf3.o)
+    0x08001e24   0x08001e24   0x0000000e   Code   RO         3926    i.__scatterload_copy  mc_p.l(handlers.o)
+    0x08001e32   0x08001e32   0x00000002   Code   RO         3927    i.__scatterload_null  mc_p.l(handlers.o)
+    0x08001e34   0x08001e34   0x0000000e   Code   RO         3928    i.__scatterload_zeroinit  mc_p.l(handlers.o)
+    0x08001e42   0x08001e42   0x00000002   PAD
+    0x08001e44   0x08001e44   0x000001cc   Code   RO         3691    i._printf_core      mc_p.l(printf3.o)
+    0x08002010   0x08002010   0x00000024   Code   RO          315    i.avg_buf_add       main.o
+    0x08002034   0x08002034   0x00000008   Code   RO          316    i.byte_to_int16_t   main.o
+    0x0800203c   0x0800203c   0x00000040   Code   RO          317    i.calc_arr          main.o
+    0x0800207c   0x0800207c   0x00000010   Code   RO           13    i.delay_us_init     delay_us.o
+    0x0800208c   0x0800208c   0x00000018   Code   RO          318    i.fputc             main.o
+    0x080020a4   0x080020a4   0x00000038   Code   RO          319    i.get_buf_avg       main.o
+    0x080020dc   0x080020dc   0x00000030   Code   RO          209    i.kb_buf_add        helpers.o
+    0x0800210c   0x0800210c   0x00000020   Code   RO          210    i.kb_buf_init       helpers.o
+    0x0800212c   0x0800212c   0x0000001c   Code   RO          212    i.kb_buf_is_full    helpers.o
+    0x08002148   0x08002148   0x0000001c   Code   RO          215    i.kb_buf_reset      helpers.o
+    0x08002164   0x08002164   0x0000010c   Code   RO          320    i.main              main.o
+    0x08002270   0x08002270   0x0000006c   Code   RO         3857    i.malloc            mc_p.l(malloc.o)
+    0x080022dc   0x080022dc   0x00000032   Code   RO          216    i.mouse_buf_add     helpers.o
+    0x0800230e   0x0800230e   0x00000018   Code   RO          217    i.mouse_buf_init    helpers.o
+    0x08002326   0x08002326   0x0000001c   Code   RO          219    i.mouse_buf_is_full  helpers.o
+    0x08002342   0x08002342   0x00000016   Code   RO          220    i.mouse_buf_peek    helpers.o
+    0x08002358   0x08002358   0x00000018   Code   RO          221    i.mouse_buf_pop     helpers.o
+    0x08002370   0x08002370   0x00000016   Code   RO          222    i.mouse_buf_reset   helpers.o
+    0x08002386   0x08002386   0x00000002   PAD
+    0x08002388   0x08002388   0x000000c0   Code   RO          321    i.parse_spi_buf     main.o
+    0x08002448   0x08002448   0x00000012   Code   RO          149    i.quad_decrement    quad_encoder.o
+    0x0800245a   0x0800245a   0x00000012   Code   RO          150    i.quad_increment    quad_encoder.o
+    0x0800246c   0x0800246c   0x00000012   Code   RO          151    i.quad_init         quad_encoder.o
+    0x0800247e   0x0800247e   0x0000000c   Code   RO          152    i.quad_reset        quad_encoder.o
+    0x0800248a   0x0800248a   0x00000002   PAD
+    0x0800248c   0x0800248c   0x00000030   Code   RO          153    i.quad_write        quad_encoder.o
+    0x080024bc   0x080024bc   0x00000078   Code   RO          322    i.spi_error_dump_reboot  main.o
+    0x08002534   0x08002534   0x00000004   Data   RO          154    .constdata          quad_encoder.o
+    0x08002538   0x08002538   0x00000049   Data   RO          329    .constdata          main.o
+    0x08002581   0x08002581   0x00000010   Data   RO         3552    .constdata          system_stm32f0xx.o
+    0x08002591   0x08002591   0x00000008   Data   RO         3553    .constdata          system_stm32f0xx.o
+    0x08002599   0x08002599   0x00000003   PAD
+    0x0800259c   0x0800259c   0x00000020   Data   RO         3924    Region$$Table       anon$$obj.o
 
 
-    Execution Region RW_IRAM1 (Exec base: 0x20000000, Load base: 0x0800255c, Size: 0x00000848, Max: 0x00004000, ABSOLUTE)
+    Execution Region RW_IRAM1 (Exec base: 0x20000000, Load base: 0x080025bc, Size: 0x00000858, Max: 0x00004000, ABSOLUTE)
 
     Exec Addr    Load Addr    Size         Type   Attr      Idx    E Section Name        Object
 
-    0x20000000   0x0800255c   0x00000004   Data   RW           15    .data               delay_us.o
-    0x20000004   0x08002560   0x00000010   Data   RW          330    .data               main.o
-    0x20000014   0x08002570   0x00000004   Data   RW         2372    .data               stm32f0xx_hal.o
-    0x20000018   0x08002574   0x00000004   Data   RW         3553    .data               system_stm32f0xx.o
-    0x2000001c   0x08002578   0x00000004   Data   RW         3897    .data               mc_p.l(stdout.o)
-    0x20000020   0x0800257c   0x00000004   Data   RW         3900    .data               mc_p.l(mvars.o)
-    0x20000024   0x08002580   0x00000004   Data   RW         3901    .data               mc_p.l(mvars.o)
-    0x20000028        -       0x0000021c   Zero   RW          323    .bss                main.o
-    0x20000244   0x08002584   0x00000004   PAD
-    0x20000248        -       0x00000200   Zero   RW            2    HEAP                startup_stm32f072xb.o
-    0x20000448        -       0x00000400   Zero   RW            1    STACK               startup_stm32f072xb.o
+    0x20000000   0x080025bc   0x00000004   Data   RW           15    .data               delay_us.o
+    0x20000004   0x080025c0   0x00000010   Data   RW          330    .data               main.o
+    0x20000014   0x080025d0   0x00000004   Data   RW         2373    .data               stm32f0xx_hal.o
+    0x20000018   0x080025d4   0x00000004   Data   RW         3554    .data               system_stm32f0xx.o
+    0x2000001c   0x080025d8   0x00000004   Data   RW         3898    .data               mc_p.l(stdout.o)
+    0x20000020   0x080025dc   0x00000004   Data   RW         3901    .data               mc_p.l(mvars.o)
+    0x20000024   0x080025e0   0x00000004   Data   RW         3902    .data               mc_p.l(mvars.o)
+    0x20000028        -       0x0000022c   Zero   RW          323    .bss                main.o
+    0x20000254   0x080025e4   0x00000004   PAD
+    0x20000258        -       0x00000200   Zero   RW            2    HEAP                startup_stm32f072xb.o
+    0x20000458        -       0x00000400   Zero   RW            1    STACK               startup_stm32f072xb.o
 
 
 ==============================================================================
@@ -2226,7 +2230,7 @@ Image component sizes
 
         16          4          0          4          0     490820   delay_us.o
        306          0          0          0          0       7297   helpers.o
-      1454        200         73         16        540      16731   main.o
+      1550        216         73         16        556      17153   main.o
        114          4          4          0          0       3719   quad_encoder.o
         28          8        192          0       1536        632   startup_stm32f072xb.o
        122         18          0          4          0       3631   stm32f0xx_hal.o
@@ -2244,7 +2248,7 @@ Image component sizes
         92         16         24          4          0       1143   system_stm32f0xx.o
 
     ----------------------------------------------------------------------
-      8432        568        328         28       2080     580199   Object Totals
+      8528        584        328         28       2096     580621   Object Totals
          0          0         32          0          0          0   (incl. Generated)
         24          0          3          0          4          0   (incl. Padding)
 
@@ -2290,15 +2294,15 @@ Image component sizes
 
       Code (inc. data)   RO Data    RW Data    ZI Data      Debug   
 
-      9236        612        328         40       2080     576407   Grand Totals
-      9236        612        328         40       2080     576407   ELF Image Totals
-      9236        612        328         40          0          0   ROM Totals
+      9332        628        328         40       2096     576785   Grand Totals
+      9332        628        328         40       2096     576785   ELF Image Totals
+      9332        628        328         40          0          0   ROM Totals
 
 ==============================================================================
 
-    Total RO  Size (Code + RO Data)                 9564 (   9.34kB)
-    Total RW  Size (RW Data + ZI Data)              2120 (   2.07kB)
-    Total ROM Size (Code + RO Data + RW Data)       9604 (   9.38kB)
+    Total RO  Size (Code + RO Data)                 9660 (   9.43kB)
+    Total RW  Size (RW Data + ZI Data)              2136 (   2.09kB)
+    Total ROM Size (Code + RO Data + RW Data)       9700 (   9.47kB)
 
 ==============================================================================
 
diff --git a/firmware/apple_all/MDK-ARM/apple_all/apple_all_apple_all.dep b/firmware/apple_all/MDK-ARM/apple_all/apple_all_apple_all.dep
index bedfdc0..c0df33f 100644
--- a/firmware/apple_all/MDK-ARM/apple_all/apple_all_apple_all.dep
+++ b/firmware/apple_all/MDK-ARM/apple_all/apple_all_apple_all.dep
@@ -113,7 +113,7 @@ I (../Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_tim_ex.h)(0x5DFA0893)
 I (../Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_uart.h)(0x5DFA0893)
 I (../Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal_uart_ex.h)(0x5DFA0893)
 I (../Inc/shared.h)(0x617487BD)
-F (../Src/main.c)(0x626C6950)(--c99 -c --cpu Cortex-M0 -D__MICROLIB -g -O3 --apcs=interwork --split_sections -I ../Inc -I ../Drivers/STM32F0xx_HAL_Driver/Inc -I ../Drivers/STM32F0xx_HAL_Driver/Inc/Legacy -I ../Drivers/CMSIS/Device/ST/STM32F0xx/Include -I ../Drivers/CMSIS/Include

-I.\RTE\_apple_all

-IC:\Users\allen\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include

-IC:\Users\allen\AppData\Local\Arm\Packs\Keil\STM32F0xx_DFP\2.0.0\Drivers\CMSIS\Device\ST\STM32F0xx\Include

-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F072xB -DUSE_HAL_DRIVER -DSTM32F072xB

-o apple_all\main.o --omf_browse apple_all\main.crf --depend apple_all\main.d)
+F (../Src/main.c)(0x626D47D2)(--c99 -c --cpu Cortex-M0 -D__MICROLIB -g -O3 --apcs=interwork --split_sections -I ../Inc -I ../Drivers/STM32F0xx_HAL_Driver/Inc -I ../Drivers/STM32F0xx_HAL_Driver/Inc/Legacy -I ../Drivers/CMSIS/Device/ST/STM32F0xx/Include -I ../Drivers/CMSIS/Include

-I.\RTE\_apple_all

-IC:\Users\allen\AppData\Local\Arm\Packs\ARM\CMSIS\5.6.0\CMSIS\Core\Include

-IC:\Users\allen\AppData\Local\Arm\Packs\Keil\STM32F0xx_DFP\2.0.0\Drivers\CMSIS\Device\ST\STM32F0xx\Include

-D__UVISION_VERSION="529" -D_RTE_ -DSTM32F072xB -DUSE_HAL_DRIVER -DSTM32F072xB

-o apple_all\main.o --omf_browse apple_all\main.crf --depend apple_all\main.d)
 I (../Inc/main.h)(0x626C509E)
 I (../Drivers/STM32F0xx_HAL_Driver/Inc/stm32f0xx_hal.h)(0x5DFA0893)
 I (../Inc/stm32f0xx_hal_conf.h)(0x626C509E)
diff --git a/firmware/apple_all/MDK-ARM/apple_all/main.crf b/firmware/apple_all/MDK-ARM/apple_all/main.crf
index 6b5875b..c28f579 100644
Binary files a/firmware/apple_all/MDK-ARM/apple_all/main.crf and b/firmware/apple_all/MDK-ARM/apple_all/main.crf differ
diff --git a/firmware/apple_all/MDK-ARM/apple_all/main.o b/firmware/apple_all/MDK-ARM/apple_all/main.o
index 000f007..011f331 100644
Binary files a/firmware/apple_all/MDK-ARM/apple_all/main.o and b/firmware/apple_all/MDK-ARM/apple_all/main.o differ
diff --git a/firmware/apple_all/New Text Document.txt b/firmware/apple_all/New Text Document.txt
new file mode 100644
index 0000000..86a3d25
--- /dev/null
+++ b/firmware/apple_all/New Text Document.txt	
@@ -0,0 +1,7 @@
+    // int32_t ddd = calc_arr(avg_speed);
+    // if(ddd != 65535)
+    //   printf("%d\n", calc_arr(avg_speed));
+
+
+  // return (uint16_t)(-190*speed_val + 12690); // 1, 12500 | 64, 500
+int32_t result = -307*speed_val + 12807; // 1, 12500, 40, 500
\ No newline at end of file
diff --git a/firmware/apple_all/Src/main.c b/firmware/apple_all/Src/main.c
index 1e5dfca..a4aa47c 100644
--- a/firmware/apple_all/Src/main.c
+++ b/firmware/apple_all/Src/main.c
@@ -182,10 +182,10 @@ void spi_error_dump_reboot(void)
 const char boot_message[] = "USB4VC Protocol Board\nEarly Macintosh & Apple Desktop Bus\ndekuNukem 2022";
 
 #define AVG_BUF_SIZE 8
-int16_t avg_buf[AVG_BUF_SIZE];
+int32_t avg_buf[AVG_BUF_SIZE];
 uint8_t avg_buf_index;
 
-void avg_buf_add(int16_t value)
+void avg_buf_add(int32_t value)
 {
   avg_buf[avg_buf_index] = value;
   avg_buf_index++;
@@ -216,15 +216,16 @@ value = us
 
 uint16_t calc_arr(int32_t speed_val)
 {
-  return 10000;
   speed_val = abs(speed_val);
-  if(speed_val <= 0)
-    return 65535;
-  if(speed_val >= 64)
+  if(speed_val <= 0 || speed_val >= 64)
     return 500;
-  return (uint16_t)(-307*speed_val + 12807); // 1, 12500 | 64, 500
-  // return (uint16_t)(-190*speed_val + 12690); // 1, 12500 | 64, 500
-
+  // int32_t result = -190*speed_val + 12690; // 1, 12500 | 64, 500
+  int32_t result = -307*speed_val + 12807; // 1, 12500, 40, 500
+  if (result < 500)
+    result = 500;
+  if(result > 12500)
+    result = 12500;
+  return (uint16_t)result;
 }
 
 quad_output quad_x;
@@ -240,7 +241,7 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
   // every 10ms
   if(htim == &htim17)
   {
-    // HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_2);
+    HAL_GPIO_TogglePin(MX1_GPIO_Port, MX1_Pin);
     mouse_event* this_mouse_event = mouse_buf_peek(&my_mouse_buf);
     if(this_mouse_event == NULL)
     {
@@ -253,14 +254,11 @@ void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
     }
     avg_speed = get_buf_avg();
     htim16.Instance->ARR = calc_arr(avg_speed);
-    // int32_t ddd = calc_arr(avg_speed);
-    // if(ddd != 65535)
-    //   printf("%d\n", calc_arr(avg_speed));
   }
   // every ARR overflow
   if(htim == &htim16 && avg_speed != 0)
   {
-    // HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_3);
+    HAL_GPIO_TogglePin(MX2_GPIO_Port, MX2_Pin);
     if(avg_speed > 0)
       quad_increment(&quad_x);
     else
@@ -461,7 +459,7 @@ static void MX_TIM16_Init(void)
   htim16.Init.Period = 65535;
   htim16.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
   htim16.Init.RepetitionCounter = 0;
-  htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  htim16.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
   if (HAL_TIM_Base_Init(&htim16) != HAL_OK)
   {
     _Error_Handler(__FILE__, __LINE__);
diff --git a/firmware/apple_all/apple_all.ioc b/firmware/apple_all/apple_all.ioc
index 7fe741f..85fd432 100644
--- a/firmware/apple_all/apple_all.ioc
+++ b/firmware/apple_all/apple_all.ioc
@@ -214,7 +214,8 @@ SPI1.IPParameters=VirtualType,Mode,Direction,VirtualNSS,DataSize
 SPI1.Mode=SPI_MODE_SLAVE
 SPI1.VirtualNSS=VM_NSSHARD
 SPI1.VirtualType=VM_SLAVE
-TIM16.IPParameters=Prescaler,Period
+TIM16.AutoReloadPreload=TIM_AUTORELOAD_PRELOAD_ENABLE
+TIM16.IPParameters=Prescaler,Period,AutoReloadPreload
 TIM16.Period=65535
 TIM16.Prescaler=47
 TIM17.IPParameters=Prescaler,Period
diff --git a/firmware/apple_all/scrap.txt b/firmware/apple_all/scrap.txt
new file mode 100644
index 0000000..e69de29