Added VirtualSerial_LCD demo firmware and updated avrlib to compile with "Atmel AVR 8-bit Toolchain 3.4.1 - Linux 32-bit".

2013-03-18 17:20:53 +00:00
parent 9fe665ba3a
commit 39919e6ee5
16 changed files with 853 additions and 52 deletions
--- a/Micropendous/Firmware/VirtualSerial_LCD/Descriptors.c
+++ b/Micropendous/Firmware/VirtualSerial_LCD/Descriptors.c
@@ -192,9 +192,9 @@ const USB_Descriptor_String_t PROGMEM LanguageString =
 */
 const USB_Descriptor_String_t PROGMEM ManufacturerString =
 {
-	.Header                 = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
+	.Header                 = {.Size = USB_STRING_LEN(20), .Type = DTYPE_String},

-	.UnicodeString          = L"Dean Camera"
+	.UnicodeString          = L"www.micropendous.org"
 };

 /** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
@@ -203,9 +203,9 @@ const USB_Descriptor_String_t PROGMEM ManufacturerString =
 */
 const USB_Descriptor_String_t PROGMEM ProductString =
 {
-	.Header                 = {.Size = USB_STRING_LEN(13), .Type = DTYPE_String},
+	.Header                 = {.Size = USB_STRING_LEN(30), .Type = DTYPE_String},

-	.UnicodeString          = L"LUFA CDC Demo"
+	.UnicodeString          = L"VirtualSerial HD44780 LCD Demo"
 };

 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
--- a/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD.c
+++ b/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD.c
@@ -37,7 +37,7 @@
 *  the demo and is responsible for the initial application hardware configuration.
 */

-#include "VirtualSerial.h"
+#include "VirtualSerial_LCD.h"


 // Global buffer for use with STDIO functions
@@ -79,6 +79,9 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =
 */
 static FILE USBSerialStream;

+// global variable for use with HD44780 LCD display
+volatile uint8_t lcd_character_count;
+volatile uint8_t lcd_current_line;

 /** Main program entry point. This routine contains the overall program flow, including initial
 *  setup of all components and the main program loop.
@@ -107,14 +110,14 @@ int main(void)
 /** Configures the board hardware and chip peripherals for the demo's functionality. */
 void SetupHardware(void)
 {
-	/* Disable watchdog if enabled by bootloader/fuses */
+	// Disable watchdog if enabled by bootloader/fuses
 	MCUSR &= ~(1 << WDRF);
 	wdt_disable();

-	/* Disable clock division */
+	// Disable clock division
 	clock_prescale_set(clock_div_1);

-	/* Disable JTAG; allows upper nibble of Port F to be used as GPIO */
+	// Disable JTAG; allows upper nibble of Port F to be used as GPIO
 	#if (	defined(__AVR_AT90USB1287__) || defined(__AVR_AT90USB647__) ||  \
 			defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB646__) ||  \
 			defined(__AVR_ATmega16U4__)  || defined(__AVR_ATmega32U4__) ||  \
@@ -122,7 +125,26 @@ void SetupHardware(void)
 		JTAG_DISABLE();
 	#endif

-	/* Hardware Initialization */
+
+	// Hardware Initialization
+	// 16-bit Timer1 Initialization
+	TCCR1A = 0; //start the timer
+	//TCCR1B = (1 << CS10); // no Timer1 prescaling, use CLK
+	TCCR1B = (1 << CS12); // prescale Timer1 by CLK/256
+	// 8000000 / 256 = 31250 ticks per second
+	// 16-bit = 2^16 = 65536 maximum ticks for Timer1
+	// 65536 / 31250 =~ 2.1
+	// so Timer1 will overflow back to 0 about every 2 seconds
+	uint16_t Timer1Val = TCNT1; // get current Timer1 value
+	Timer1Val = 345;
+
+	// AVRlib HD44780 LCD initialization
+	lcdInit();
+	rprintfInit(lcdDataWrite); // direct rprintf to LCD
+	lcdClear(); // clear the LCD
+	rprintf("GO AVRlib!");
+
+	// Hardware Initialization
 	LEDs_Init();
 	LEDs_TurnOnLEDs(LEDS_LED1);
 	DISABLE_VOLTAGE_TXRX(); // used on Micropendous REV1/2 boards
@@ -160,23 +182,62 @@ void EVENT_USB_Device_ControlRequest(void)
 }


+uint16_t firstNumber = 12345;

 void MainTask(void)
 {
-	int count = 0;
+	int     tempInt  = 0;
+	uint8_t tempChar = 0;

-	// If the host has sent data then echo it back
-	// Throughput is maximized if the full EP buffer is read and sent each time
-	// Throughput approaches CDC_TXRX_EPSIZE kbytes/second and depends on transfer size from host 
-	if ((count = fread(&buffer, 1, CDC_TXRX_EPSIZE, &USBSerialStream)) > 0) {
-		fwrite(&buffer, 1, count, &USBSerialStream);
+	// example usage
+	if (firstNumber == 12345) {
+		lcdClear();
+		rprintfChar('#'); // print a single character to the LCD
+		// print a value to the LCD in Base-10 using 5 digits.  It is FALSE that the
+		// number can be negative (so it is positive) and use '0' to pad to 5 digits
+		rprintfNum(10, 5, FALSE, '0', firstNumber);
+		rprintf(" ABC"); // print some text to the LCD
+		lcdGotoXY(0, 1); // go to the first character of the second line (counting starts at 0)
+		lcdProgressBar(100, 255, 16); // display a progress bar of 100/255 using 16 characters from current XY position
+		lcdGotoXY(0, 0); // return to start position
+		firstNumber = 0; // do not run this if (...) code again
+	}
+
+	// while there are characters in the USB stream, write them to LCD
+	// Each character is written sequentially,
+	// first to the top line, then to the next, etc...
+	while ((tempInt = fgetc(&USBSerialStream)) > 0)
+	{
+		tempChar = (uint8_t)tempInt;
+		// send char back for echo'ing on terminal
+		fputc(tempChar, &USBSerialStream);
+
+		lcd_character_count++;
+		rprintfChar(tempChar); // print char to the LCD
+		// once we hit the end of a single line, loop to next line
+		if (lcd_character_count >= LCD_LINE_LENGTH)
+		{
+			lcd_character_count = 0;
+			lcd_current_line++;
+			// once we hit the end of the last line, loop to the first line
+			if (lcd_current_line >= LCD_LINES)
+			{
+				lcd_current_line = 0;
+			}
+
+			lcdGotoXY(0, lcd_current_line);
+		}
 	}


-	// If HWB Button is pressed then send formatted strings
+	// If HWB Button is pressed then send formatted strings over VirtualSerial and to LCD
 	if (Buttons_GetStatus()) {
 		fprintf_P(&USBSerialStream, PSTR("\r\nHWB has been pressed!\r\n")); // send a constant string stored in FLASH
-		fprintf(&USBSerialStream, "PORTD = %3x\r\n", PIND); // send a string that is dynamic and stored in SRAM
+		fprintf(&USBSerialStream, "PORTB = %3x\r\n", PINB); // send a string that is dynamic and stored in SRAM
+		rprintf("PORTB=0x");
+		// print a value to the LCD in Base-16 (Hex) using 2 digits.  It is FALSE that the
+		// number can be negative (so it is positive) and use '0' to pad to 2 digits
+		rprintfNum(16, 2, FALSE, '0', PINB);
 	}

 }
--- a/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD.h
+++ b/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD.h
@@ -33,8 +33,8 @@
 *  Header file for VirtualSerial.c.
 */

-#ifndef _VIRTUALSERIAL_H_
-#define _VIRTUALSERIAL_H_
+#ifndef _VIRTUALSERIAL_LCD_H_
+#define _VIRTUALSERIAL_LCD_H_

 	/* Includes: */
 		#include <avr/io.h>
@@ -50,6 +50,12 @@
 		#include <LUFA/Drivers/Board/Buttons.h>
 		#include <LUFA/Drivers/USB/USB.h>

+		#include "global.h"
+		#include "lcdconf.h"
+		#include <lcd.h>
+		#include <timer.h>
+		#include <rprintf.h>
+
 	/* Macros: */
 		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
 		#define LEDMASK_USB_NOTREADY      LEDS_LED1
@@ -72,5 +78,5 @@
 		void EVENT_USB_Device_ConfigurationChanged(void);
 		void EVENT_USB_Device_ControlRequest(void);

-#endif
+#endif // _VIRTUALSERIAL_LCD_H_

--- a/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD_MICROPENDOUS_REV2.hex
+++ b/Micropendous/Firmware/VirtualSerial_LCD/VirtualSerial_LCD_MICROPENDOUS_REV2.hex
@@ -0,0 +1,549 @@
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--- a/Micropendous/Firmware/VirtualSerial_LCD/global.h
+++ b/Micropendous/Firmware/VirtualSerial_LCD/global.h
@@ -0,0 +1,33 @@
+
+//*****************************************************************************
+//
+// File Name	: 'global.h'
+// Title		: AVR project global include 
+// Author		: Pascal Stang
+// Created		: 7/12/2001
+// Revised		: 9/30/2002
+// Version		: 1.1
+// Target MCU	: Atmel AVR series
+// Editor Tabs	: 4
+//
+//	Description : This include file is designed to contain items useful to all
+//					code files and projects.
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+#ifndef GLOBAL_H
+#define GLOBAL_H
+
+// global AVRLIB defines
+#include <avrlibdefs.h>
+// global AVRLIB types definitions
+#include <avrlibtypes.h>
+
+// project/system dependent defines
+
+#define CYCLES_PER_US ((F_CPU+500000)/1000000) 	// cpu cycles per microsecond
+
+#endif
--- a/Micropendous/Firmware/VirtualSerial_LCD/lcdconf.h
+++ b/Micropendous/Firmware/VirtualSerial_LCD/lcdconf.h
@@ -0,0 +1,127 @@
+/*! \file lcdconf.h \brief Character LCD driver configuration. */
+//*****************************************************************************
+//
+// File Name	: 'lcdconf.h'
+// Title		: Character LCD driver for HD44780/SED1278 displays
+//					(usable in mem-mapped, or I/O mode)
+// Author		: Pascal Stang - Copyright (C) 2000-2002
+// Created		: 11/22/2000
+// Revised		: 4/30/2002
+// Version		: 1.1
+// Target MCU	: Atmel AVR series
+// Editor Tabs	: 4
+//
+// This code is distributed under the GNU Public License
+//		which can be found at http://www.gnu.org/licenses/gpl.txt
+//
+//*****************************************************************************
+
+#ifndef LCDCONF_H
+#define LCDCONF_H
+
+// Define type of interface used to access the LCD
+//	LCD_MEMORY_INTERFACE:
+//		To use this mode you must supply the necessary hardware to connect the
+//		LCD to the CPU's memory bus.  The CONTROL and DATA registers of the LCD
+//		(HD44780 chip) must appear in the CPU's memory map.  This mode is faster
+//		than the port interface but requires a little extra hardware to make it
+//		work.  It is especially useful when your CPU is already configured to
+//		use an external memory bus for other purposes (like accessing memory).
+//
+// LCD_PORT_INTERFACE:
+//		This mode allows you to connect the control and data lines of the LCD
+//		directly to the I/O port pins (no interfacing hardware is needed),
+//		but it generally runs slower than the LCD_MEMORY_INTERFACE.
+//		Depending on your needs, when using the LCD_PORT_INTERFACE, the LCD may
+//		be accessed in 8-bit or 4-bit mode.  In 8-bit mode, one whole I/O port
+//		(pins 0-7) is required for the LCD data lines, but transfers are faster.
+//		In 4-bit mode, only I/O port pins 4-7 are needed for data lines, but LCD
+//		access is slower.  In either mode, three additional port pins are
+//		required for the LCD interface control lines (RS, R/W, and E).
+
+// Enable one of the following interfaces to your LCD
+//#define LCD_MEMORY_INTERFACE
+#define USE_4BIT_LCD_INTERFACE
+#define LCD_PORT_INTERFACE
+
+// LCD display geometry
+// change these definitions to adapt settings
+#define LCD_LINES			2	// visible lines
+#define LCD_LINE_LENGTH			16	// line length (in characters)
+
+
+// Enter the parameters for your chosen interface
+// if you chose the LCD_PORT_INTERFACE:
+#ifdef USE_4BIT_LCD_INTERFACE
+	#ifdef LCD_PORT_INTERFACE
+		#ifndef LCD_CTRL_PORT
+			// port and pins you will use for control lines
+			#define LCD_CTRL_PORT	PORTD
+			#define LCD_CTRL_DDR	DDRD
+			#define LCD_CTRL_RS	0
+			#define LCD_CTRL_RW	1
+			#define LCD_CTRL_E	2
+		#endif
+		#ifndef LCD_DATA_POUT
+			// port you will use for data lines
+			#define LCD_DATA_POUT	PORTD
+			#define LCD_DATA_PIN	PIND
+			#define LCD_DATA_DDR	DDRD
+			// access mode you will use (default is 8bit unless 4bit is selected)
+			#define LCD_DATA_4BIT
+		#endif
+	#endif
+#else // USE 8BIT LCD INTERFACE
+	#ifdef LCD_PORT_INTERFACE
+		#ifndef LCD_CTRL_PORT
+			// port and pins you will use for control lines
+			#define LCD_CTRL_PORT	PORTC
+			#define LCD_CTRL_DDR	DDRC
+			#define LCD_CTRL_RS	7
+			#define LCD_CTRL_RW	6
+			#define LCD_CTRL_E	5
+		#endif
+		#ifndef LCD_DATA_POUT
+			// port you will use for data lines
+			#define LCD_DATA_POUT	PORTB
+			#define LCD_DATA_PIN	PINB
+			#define LCD_DATA_DDR	DDRB
+		#endif
+	#endif
+#endif
+
+
+// if you chose the LCD_MEMORY_INTERFACE:
+#ifdef LCD_MEMORY_INTERFACE
+	#ifndef LCD_CTRL_ADDR
+		// CPU memory address of the LCD control register
+		#define LCD_CTRL_ADDR	0x1000
+	#endif
+	#ifndef LCD_DATA_ADDR
+		// CPU memory address of the LCD data register
+		#define LCD_DATA_ADDR	0x1001
+	#endif
+#endif
+
+
+// cursor position to DDRAM mapping
+#define LCD_LINE0_DDRAMADDR		0x00
+#define LCD_LINE1_DDRAMADDR		0x40
+#define LCD_LINE2_DDRAMADDR		0x14
+#define LCD_LINE3_DDRAMADDR		0x54
+
+// LCD delay
+// This delay affects how quickly accesses are made to the LCD controller.
+// The HD44780 LCD controller requires an access time of at least 1us.
+// LCD_DELAY should be scaled to take at least half that time (500us).
+// Each NOP takes 1 CPU clock cycle to execute.  Thus, at 4MHz, you should
+// use at least 2 NOPs, at 8MHz at least 4 NOPs, etc.
+// You can also use the delay_us(xx) command for longer access times.
+
+// LCD_DELAY is now automatically set in lcd.h,
+// however, if you define it here, this definition will override the automatic setting
+
+// use this for a fail-safe delay
+// #define LCD_DELAY	delay_us(5);
+
+#endif // LCDCONF_H
--- a/Micropendous/Firmware/VirtualSerial_LCD/makefile
+++ b/Micropendous/Firmware/VirtualSerial_LCD/makefile
@@ -17,10 +17,12 @@ BOARD        = MICROPENDOUS_REV2
 F_CPU        = 16000000
 F_USB        = $(F_CPU)
 OPTIMIZATION = s
-TARGET       = VirtualSerial
-SRC          = $(TARGET).c Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)
+TARGET       = VirtualSerial_LCD
+AVRLIB_PATH  = ../../libs/avrlib
+SRC          = $(TARGET).c Descriptors.c $(LUFA_SRC_USB) $(LUFA_SRC_USBCLASS)  \
+               $(AVRLIB_PATH)/rprintf.c $(AVRLIB_PATH)/lcd.c $(AVRLIB_PATH)/timer.c
 LUFA_PATH    = ../../libs/LUFA/LUFA
-CC_FLAGS     = -DUSE_LUFA_CONFIG_HEADER -IConfig/
+CC_FLAGS     = -DUSE_LUFA_CONFIG_HEADER -IConfig/  -I$(AVRLIB_PATH)
 LD_FLAGS     =
 CDC_BOOTLOADER_PORT = /dev/ttyACM0
 #CDC_BOOTLOADER_PORT = COM5
--- a/Micropendous/libs/LUFA/LUFA/Drivers/Board/AVR8/MICROPENDOUS/LEDs.h
+++ b/Micropendous/libs/LUFA/LUFA/Drivers/Board/AVR8/MICROPENDOUS/LEDs.h
@@ -131,46 +131,56 @@
 		#if !defined(__DOXYGEN__)
 			static inline void LEDs_Init(void)
 			{
-				_BOARD_LED_DDR  |=  LEDS_ALL_LEDS;
-				_BOARD_LED_PORT &= ~LEDS_ALL_LEDS;
+				//_BOARD_LED_DDR  |=  LEDS_ALL_LEDS;
+				//_BOARD_LED_PORT &= ~LEDS_ALL_LEDS;
+				DDRB  |=  (1 << PB1);
+				PORTB |=  (1 << PB1);
 			}

 			static inline void LEDs_Disable(void)
 			{
-				_BOARD_LED_DDR  &= ~LEDS_ALL_LEDS;
-				_BOARD_LED_PORT &= ~LEDS_ALL_LEDS;
+				//_BOARD_LED_DDR  &= ~LEDS_ALL_LEDS;
+				//_BOARD_LED_PORT &= ~LEDS_ALL_LEDS;
+				DDRB  &= ~(1 << PB1);
+				PORTB &= ~(1 << PB1);
 			}

 			static inline void LEDs_TurnOnLEDs(const uint8_t LEDMask)
 			{
-				_BOARD_LED_PORT |= LEDMask;
+				//_BOARD_LED_PORT |= LEDMask;
+				PORTB |=  LEDMask;
 			}

 			static inline void LEDs_TurnOffLEDs(const uint8_t LEDMask)
 			{
-				_BOARD_LED_PORT &= ~LEDMask;
+				//_BOARD_LED_PORT &= ~LEDMask;
+				PORTB &= ~LEDMask;
 			}

 			static inline void LEDs_SetAllLEDs(const uint8_t LEDMask)
 			{
-				_BOARD_LED_PORT = ((_BOARD_LED_PORT & ~LEDS_ALL_LEDS) | LEDMask);
+				//_BOARD_LED_PORT = ((_BOARD_LED_PORT & ~LEDS_ALL_LEDS) | LEDMask);
+				PORTB = ((_BOARD_LED_PORT & ~LEDS_ALL_LEDS) | LEDMask);
 			}

 			static inline void LEDs_ChangeLEDs(const uint8_t LEDMask,
 			                                   const uint8_t ActiveMask)
 			{
-				_BOARD_LED_PORT = ((_BOARD_LED_PORT & ~LEDMask) | ActiveMask);
+				//_BOARD_LED_PORT = ((_BOARD_LED_PORT & ~LEDMask) | ActiveMask);
+				PORTB = ((_BOARD_LED_PORT & ~LEDMask) | ActiveMask);
 			}

 			static inline void LEDs_ToggleLEDs(const uint8_t LEDMask)
 			{
-				_BOARD_LED_PIN  = LEDMask;
+				//_BOARD_LED_PIN  = LEDMask;
+				PORTB  = LEDMask;
 			}

 			static inline uint8_t LEDs_GetLEDs(void) ATTR_WARN_UNUSED_RESULT;
 			static inline uint8_t LEDs_GetLEDs(void)
 			{
-				return (_BOARD_LED_PORT & LEDS_ALL_LEDS);
+				//return (_BOARD_LED_PORT & LEDS_ALL_LEDS);
+				return (PORTB & (1 << PB0));
 			}
 		#endif

--- a/Micropendous/libs/avrlib/avrlibdefs.h
+++ b/Micropendous/libs/avrlib/avrlibdefs.h
@@ -69,15 +69,28 @@
 #define GNUC_PACKED __attribute__((packed)) 

 // port address helpers
-#define DDR(x) ((x)-1)    // address of data direction register of port x
-#define PIN(x) ((x)-2)    // address of input register of port x
+#ifndef DDR
+	#define DDR(x) ((x)-1)    // address of data direction register of port x
+#endif
+#ifndef PIN
+	#define PIN(x) ((x)-2)    // address of input register of port x
+#endif

 // MIN/MAX/ABS macros
-#define MIN(a,b)			((a<b)?(a):(b))
-#define MAX(a,b)			((a>b)?(a):(b))
-#define ABS(x)				((x>0)?(x):(-x))
+#ifndef MIN
+	#define MIN(a,b)			((a<b)?(a):(b))
+#endif
+#ifndef MAX
+	#define MAX(a,b)			((a>b)?(a):(b))
+#endif
+#ifndef ABS
+	#define ABS(x)				((x>0)?(x):(-x))
+#endif

 // constants
-#define PI		3.14159265359
-
+#ifndef PI
+	#define PI		3.14159265359
 #endif
+
+#endif // AVRLIBDEFS_H
+
--- a/Micropendous/libs/avrlib/lcd.c
+++ b/Micropendous/libs/avrlib/lcd.c
@@ -25,7 +25,7 @@
 #include "lcd.h"

 // custom LCD characters
-unsigned char __attribute__ ((progmem)) LcdCustomChar[] =
+unsigned const char __attribute__ ((progmem)) LcdCustomChar[] =
 {
 	0x00, 0x1F, 0x00, 0x00, 0x00, 0x00, 0x1F, 0x00, // 0. 0/5 full progress block
 	0x00, 0x1F, 0x10, 0x10, 0x10, 0x10, 0x1F, 0x00, // 1. 1/5 full progress block
@@ -419,7 +419,7 @@ void lcdPrintData(char* data, u08 nBytes)
 	}
 }

-#if (!defined(__AVR_AT90USB162__)  && !defined(__AVR_AT90USB82__))
+#if (!defined(__AVR_AT90USB162__)  && !defined(__AVR_AT90USB82__))
 void lcdProgressBar(u16 progress, u16 maxprogress, u08 length)
 {
 	u08 i;
--- a/Micropendous/libs/avrlib/lcd.h
+++ b/Micropendous/libs/avrlib/lcd.h
@@ -103,7 +103,7 @@
 #define LCD_MODE_DEFAULT		((1<<LCD_ENTRY_MODE) | (1<<LCD_ENTRY_INC))

 // custom LCD characters
-extern unsigned char __attribute__ ((progmem)) LcdCustomChar[];
+extern unsigned const char __attribute__ ((progmem)) LcdCustomChar[];
 #define LCDCHAR_PROGRESS05		0	// 0/5 full progress block
 #define LCDCHAR_PROGRESS15		1	// 1/5 full progress block
 #define LCDCHAR_PROGRESS25		2	// 2/5 full progress block
@@ -178,8 +178,8 @@ void lcdPrintData(char* data, u08 nBytes);
 // <progress> is the value the bargraph should indicate
 // <maxprogress> is the value at the end of the bargraph
 // <length> is the number of LCD characters that the bargraph should cover
-#if (!defined(__AVR_AT90USB162__)  && !defined(__AVR_AT90USB82__))
-void lcdProgressBar(u16 progress, u16 maxprogress, u08 length);
+#if (!defined(__AVR_AT90USB162__)  && !defined(__AVR_AT90USB82__))
+void lcdProgressBar(u16 progress, u16 maxprogress, u08 length);
 #endif

 #endif
--- a/Micropendous/libs/avrlib/rprintf.c
+++ b/Micropendous/libs/avrlib/rprintf.c
@@ -42,7 +42,7 @@
 //static char HexChars[] = "0123456789ABCDEF";
 // use this to store hex conversion in program memory
 //static prog_char HexChars[] = "0123456789ABCDEF";
-static char __attribute__ ((progmem)) HexChars[] = "0123456789ABCDEF";
+static const char __attribute__ ((progmem)) HexChars[] = "0123456789ABCDEF";

 #define hexchar(x)	pgm_read_byte( HexChars+((x)&0x0f) )
 //#define hexchar(x)	((((x)&0x0F)>9)?((x)+'A'-10):((x)+'0'))
@@ -116,7 +116,7 @@ void rprintfStrLen(char str[], unsigned int start, unsigned int len)

 // *** rprintfProgStr ***
 // prints a null-terminated string stored in program ROM
-void rprintfProgStr(const prog_char str[])
+void rprintfProgStr(const char *str)
 {
 	// print a string stored in program memory
 	register char c;
--- a/Micropendous/libs/avrlib/rprintf.h
+++ b/Micropendous/libs/avrlib/rprintf.h
@@ -82,7 +82,7 @@ void rprintfStrLen(char str[], unsigned int start, unsigned int len);
 //! prints a string stored in program rom
 /// \note This function does not actually store your string in
 /// program rom, but merely reads it assuming you stored it properly.
-void rprintfProgStr(const prog_char str[]);
+void rprintfProgStr(const char str[]);

 //! Using the function rprintfProgStrM(...) automatically causes 
 /// your string to be stored in ROM, thereby not wasting precious RAM.
--- a/Micropendous/libs/avrlib/timer.c
+++ b/Micropendous/libs/avrlib/timer.c
@@ -28,10 +28,10 @@
 // Program ROM constants
 // the prescale division values stored in order of timer control register index
 // STOP, CLK, CLK/8, CLK/64, CLK/256, CLK/1024
-unsigned short __attribute__ ((progmem)) TimerPrescaleFactor[] = {0,1,8,64,256,1024};
+unsigned const short __attribute__ ((progmem)) TimerPrescaleFactor[] = {0,1,8,64,256,1024};
 // the prescale division values stored in order of timer control register index
 // STOP, CLK, CLK/8, CLK/32, CLK/64, CLK/128, CLK/256, CLK/1024
-unsigned short __attribute__ ((progmem)) TimerRTCPrescaleFactor[] = {0,1,8,32,64,128,256,1024};
+unsigned const short __attribute__ ((progmem)) TimerRTCPrescaleFactor[] = {0,1,8,32,64,128,256,1024};

 // Global variables
 // time registers
--- a/Micropendous/libs/avrlib/xmodem.c
+++ b/Micropendous/libs/avrlib/xmodem.c
@@ -18,7 +18,7 @@
 #include <string.h>
 #include "rprintf.h"
 #include "timer.h"
-
+
 #include "xmodem.h"

 //#define XMODEM_BUFFER_SIZE		128
--- a/Micropendous/libs/avrlib/xmodem.h
+++ b/Micropendous/libs/avrlib/xmodem.h
@@ -32,7 +32,7 @@

 #ifndef XMODEM_H
 #define XMODEM_H
-
+
 // xmodem control characters
 #define SOH			0x01
 #define STX			0x02