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USB4VC/firmware/adb/Src/main.c
dekunukem caa5fc7e63 added new ADB firmware
2023-03-07 16:37:03 +00:00

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/**
******************************************************************************
* @file : main.c
* @brief : Main program body
******************************************************************************
** This notice applies to any and all portions of this file
* that are not between comment pairs USER CODE BEGIN and
* USER CODE END. Other portions of this file, whether
* inserted by the user or by software development tools
* are owned by their respective copyright owners.
*
* COPYRIGHT(c) 2023 STMicroelectronics
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. Neither the name of STMicroelectronics nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f0xx_hal.h"
/* USER CODE BEGIN Includes */
#include <string.h>
#include <stdlib.h>
#include "delay_us.h"
#include "shared.h"
#include "helpers.h"
#include "adb.h"
#define PROTOCOL_STATUS_NOT_AVAILABLE 0
#define PROTOCOL_STATUS_ENABLED 1
#define PROTOCOL_STATUS_DISABLED 2
#define PROTOCOL_LOOKUP_SIZE 16
#define IS_ADB_HOST_PRESENT() HAL_GPIO_ReadPin(ADB_5V_DET_GPIO_Port, ADB_5V_DET_Pin)
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
IWDG_HandleTypeDef hiwdg;
SPI_HandleTypeDef hspi1;
TIM_HandleTypeDef htim2;
UART_HandleTypeDef huart2;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
/*
0.3.0 20230307
Added BUSY signal
*/
const uint8_t board_id = 2;
const uint8_t version_major = 0;
const uint8_t version_minor = 3;
const uint8_t version_patch = 0;
uint8_t spi_transmit_buf[SPI_BUF_SIZE];
uint8_t spi_recv_buf[SPI_BUF_SIZE];
kb_buf my_kb_buf;
mouse_buf my_mouse_buf;
mouse_event latest_mouse_event;
mouse_event consolidated_mouse_event;
uint8_t spi_error_occured;
uint8_t protocol_status_lookup[PROTOCOL_LOOKUP_SIZE];
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_SPI1_Init(void);
static void MX_USART2_UART_Init(void);
static void MX_TIM2_Init(void);
static void MX_IWDG_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
int fputc(int ch, FILE *f)
{
HAL_UART_Transmit(&huart2, (unsigned char *)&ch, 1, 10);
return ch;
}
void cap_to_127(int32_t *number)
{
if(*number > 127)
*number = 127;
if(*number < -127)
*number = -127;
}
void get_consolidated_mouse_event(mouse_buf* mbuf, mouse_event* cme_result)
{
cme_result->movement_x = 0;
cme_result->movement_y = 0;
cme_result->scroll_vertical = 0;
cme_result->button_left = 0;
cme_result->button_right = 0;
cme_result->button_middle = 0;
cme_result->button_side = 0;
cme_result->button_extra = 0;
while(1)
{
mouse_event* this_mouse_event = mouse_buf_peek(mbuf);
if(this_mouse_event == NULL)
break;
cme_result->movement_x += this_mouse_event->movement_x;
cme_result->movement_y += this_mouse_event->movement_y;
cme_result->scroll_vertical += this_mouse_event->scroll_vertical;
cme_result->button_left |= this_mouse_event->button_left;
cme_result->button_right |= this_mouse_event->button_right;
cme_result->button_middle |= this_mouse_event->button_middle;
cme_result->button_side |= this_mouse_event->button_side;
cme_result->button_extra |= this_mouse_event->button_extra;
mouse_buf_pop(mbuf);
}
cap_to_127(&cme_result->movement_x);
cap_to_127(&cme_result->movement_y);
}
uint8_t is_protocol_enabled(uint8_t this_protocol)
{
if(this_protocol >= PROTOCOL_LOOKUP_SIZE)
return 0;
return protocol_status_lookup[this_protocol] == PROTOCOL_STATUS_ENABLED;
}
int16_t byte_to_int16_t(uint8_t lsb, uint8_t msb)
{
return (int16_t)((msb << 8) | lsb);
}
void handle_protocol_switch(uint8_t spi_byte)
{
uint8_t index = spi_byte & 0x7f;
uint8_t onoff = spi_byte & 0x80;
if(index >= PROTOCOL_LOOKUP_SIZE)
return;
// trying to change a protocol that is not available on this board
if(protocol_status_lookup[index] == PROTOCOL_STATUS_NOT_AVAILABLE)
return;
// switching protocol ON
if(onoff && protocol_status_lookup[index] == PROTOCOL_STATUS_DISABLED)
{
switch(index)
{
case PROTOCOL_ADB_KB:
kb_buf_reset(&my_kb_buf);
break;
case PROTOCOL_ADB_MOUSE:
mouse_buf_reset(&my_mouse_buf);
break;
}
protocol_status_lookup[index] = PROTOCOL_STATUS_ENABLED;
}
// switching protocol OFF
else if((onoff == 0) && protocol_status_lookup[index] == PROTOCOL_STATUS_ENABLED)
protocol_status_lookup[index] = PROTOCOL_STATUS_DISABLED;
}
volatile uint32_t ACT_LED_off_ts;
void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
{
HAL_GPIO_WritePin(USER_LED_GPIO_Port, USER_LED_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(DEBUG2_GPIO_Port, DEBUG2_Pin, GPIO_PIN_RESET);
if(spi_recv_buf[0] != 0xde)
spi_error_occured = 1;
if(spi_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_MOUSE_EVENT)
{
latest_mouse_event.movement_x = byte_to_int16_t(spi_recv_buf[4], spi_recv_buf[5]);
latest_mouse_event.movement_y = byte_to_int16_t(spi_recv_buf[6], spi_recv_buf[7]);
latest_mouse_event.scroll_vertical = -1 * spi_recv_buf[8];
latest_mouse_event.button_left = spi_recv_buf[13];
latest_mouse_event.button_right = spi_recv_buf[14];
latest_mouse_event.button_middle = spi_recv_buf[15];
latest_mouse_event.button_side = spi_recv_buf[16];
latest_mouse_event.button_extra = spi_recv_buf[17];
mouse_buf_add(&my_mouse_buf, &latest_mouse_event);
}
else if(spi_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_KEYBOARD_EVENT)
{
kb_buf_add(&my_kb_buf, spi_recv_buf[4], spi_recv_buf[6]);
}
else if(spi_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_INFO_REQUEST)
{
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
spi_transmit_buf[SPI_BUF_INDEX_MAGIC] = SPI_MISO_MAGIC;
spi_transmit_buf[SPI_BUF_INDEX_SEQNUM] = spi_recv_buf[SPI_BUF_INDEX_SEQNUM];
spi_transmit_buf[SPI_BUF_INDEX_MSG_TYPE] = SPI_MISO_MSG_TYPE_INFO_REQUEST;
spi_transmit_buf[3] = board_id;
spi_transmit_buf[5] = version_major;
spi_transmit_buf[6] = version_minor;
spi_transmit_buf[7] = version_patch;
uint8_t curr_index = 8;
for (int i = 0; i < PROTOCOL_LOOKUP_SIZE; i++)
{
if(protocol_status_lookup[i] == PROTOCOL_STATUS_NOT_AVAILABLE)
continue;
else if(protocol_status_lookup[i] == PROTOCOL_STATUS_DISABLED)
spi_transmit_buf[curr_index] = i;
else if(protocol_status_lookup[i] == PROTOCOL_STATUS_ENABLED)
spi_transmit_buf[curr_index] = i | 0x80;
curr_index++;
}
}
else if(spi_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_SET_PROTOCOL)
{
for (int i = 3; i < SPI_BUF_SIZE; ++i)
{
if(spi_recv_buf[i] == 0)
break;
handle_protocol_switch(spi_recv_buf[i]);
}
}
if(spi_recv_buf[SPI_BUF_INDEX_MSG_TYPE] == SPI_MOSI_MSG_TYPE_REQ_ACK)
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
HAL_GPIO_WritePin(DEBUG2_GPIO_Port, DEBUG2_Pin, GPIO_PIN_SET);
ACT_LED_off_ts = micros() + 10000;
}
void spi_error_dump_reboot(void)
{
printf("SPI ERROR\n");
for (int i = 0; i < SPI_BUF_SIZE; ++i)
printf("%d ", spi_recv_buf[i]);
printf("\nrebooting...\n");
for (int i = 0; i < 100; ++i)
{
HAL_GPIO_TogglePin(USER_LED_GPIO_Port, USER_LED_Pin);
HAL_Delay(100);
}
NVIC_SystemReset();
}
const char boot_message[] = "USB4VC Protocol Board\nApple Desktop Bus (ADB)\ndekuNukem 2022";
void protocol_status_lookup_init(void)
{
memset(protocol_status_lookup, PROTOCOL_STATUS_NOT_AVAILABLE, PROTOCOL_LOOKUP_SIZE);
protocol_status_lookup[PROTOCOL_ADB_KB] = PROTOCOL_STATUS_ENABLED;
protocol_status_lookup[PROTOCOL_ADB_MOUSE] = PROTOCOL_STATUS_ENABLED;
}
uint8_t int16_to_uint6(int16_t value)
{
if(abs(value) <= 3)
return (uint8_t)value;
value = value >> 1;
if(value >= 63)
value = 63;
if(value <= -63)
value = -63;
return (uint8_t)value;
}
void adb_mouse_update(void)
{
if(mouse_buf_peek(&my_mouse_buf) == NULL)
return;
get_consolidated_mouse_event(&my_mouse_buf, &consolidated_mouse_event);
// mouse buffer now empty
uint16_t response = 0;
if(consolidated_mouse_event.button_left == 0)
response |= 0x8000;
if(consolidated_mouse_event.button_right == 0)
response |= 0x80;
response |= int16_to_uint6(consolidated_mouse_event.movement_x) & 0x7f;
response |= (int16_to_uint6(consolidated_mouse_event.movement_y) & 0x7f) << 8;
adb_send_response_16b(response);
}
uint8_t capslock_counter;
void adb_keyboard_update(void)
{
uint8_t buffered_code, buffered_value, adb_code;
uint16_t response = 0x8080;
if(kb_buf_peek(&my_kb_buf, &buffered_code, &buffered_value) == 0)
{
if(buffered_code >= EV_TO_ADB_LOOKUP_SIZE)
goto adb_kb_end;
adb_code = linux_ev_to_adb_lookup[buffered_code];
if(adb_code == ADB_KEY_UNKNOWN)
goto adb_kb_end;
/*
adb mac keyboard capslock key seems to behave differently than PC keyboards
On PC: Capslock down then up = Caps lock on, Capslock down then up again = Caps lock off
on adb mac: Capslock down = Capslock on, Capslock up = Caps lock off
looks like mac keyboard uses a locking capslock, so need to convert the PC code to suit
*/
if(adb_code == ADB_KEY_CAPSLOCK)
{
if(buffered_value != 1)
goto adb_kb_end;
capslock_counter++;
buffered_value = capslock_counter % 2;
}
if(buffered_value)
response &= 0x7fff;
response |= ((uint16_t)adb_code & 0x7f) << 8;
adb_send_response_16b(response);
adb_kb_end:
kb_buf_pop(&my_kb_buf);
if(buffered_code == KEY_DELETE)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x4000;
else
adb_kb_reg2 &= 0xbfff;
}
if(buffered_code == KEY_CAPSLOCK)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x2000;
else
adb_kb_reg2 &= 0xdfff;
}
if(buffered_code == KEY_LEFTCTRL || buffered_code == KEY_RIGHTCTRL)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x800;
else
adb_kb_reg2 &= 0xf7ff;
}
if(buffered_code == KEY_LEFTSHIFT || buffered_code == KEY_RIGHTSHIFT)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x400;
else
adb_kb_reg2 &= 0xfbff;
}
if(buffered_code == KEY_LEFTALT || buffered_code == KEY_RIGHTALT)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x200;
else
adb_kb_reg2 &= 0xfdff;
}
if(buffered_code == KEY_LEFTMETA || buffered_code == KEY_RIGHTMETA)
{
if(buffered_value == 0)
adb_kb_reg2 |= 0x100;
else
adb_kb_reg2 &= 0xfeff;
}
// if(buffered_code == KEY_NUMLOCK)
// {
// if(buffered_value == 0)
// adb_kb_reg2 |= 0x80;
// else
// adb_kb_reg2 &= 0xff7f;
// }
// if(buffered_code == KEY_SCROLLLOCK)
// {
// if(buffered_value == 0)
// adb_kb_reg2 |= 0x40;
// else
// adb_kb_reg2 &= 0xffbf;
// }
}
}
#define KEY_POWER 116
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == ADB_PSW_Pin && is_protocol_enabled(PROTOCOL_ADB_MOUSE))
{
if(HAL_GPIO_ReadPin(ADB_PSW_GPIO_Port, ADB_PSW_Pin) == 0) // button pressed
kb_buf_add(&my_kb_buf, KEY_POWER, 1);
else
kb_buf_add(&my_kb_buf, KEY_POWER, 0);
}
}
/* USER CODE END 0 */
/**
* @brief The application entry point.
*
* @retval None
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_SPI1_Init();
MX_USART2_UART_Init();
MX_TIM2_Init();
MX_IWDG_Init();
/* USER CODE BEGIN 2 */
printf("%s\n v%d.%d.%d\n", boot_message, version_major, version_minor, version_patch);
HAL_IWDG_Refresh(&hiwdg);
delay_us_init(&htim2);
protocol_status_lookup_init();
kb_buf_init(&my_kb_buf);
mouse_buf_init(&my_mouse_buf);
uint8_t adb_data, adb_status, this_addr;
uint8_t kb_srq = 0;
uint8_t mouse_srq = 0;
adb_init(ADB_DATA_GPIO_Port, ADB_DATA_Pin, ADB_PSW_GPIO_Port, ADB_PSW_Pin);
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
HAL_SPI_TransmitReceive_IT(&hspi1, spi_transmit_buf, spi_recv_buf, SPI_BUF_SIZE);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
HAL_IWDG_Refresh(&hiwdg);
if(spi_error_occured)
spi_error_dump_reboot();
if(micros() > ACT_LED_off_ts)
HAL_GPIO_WritePin(USER_LED_GPIO_Port, USER_LED_Pin, GPIO_PIN_RESET);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(IS_ADB_HOST_PRESENT() == 0)
continue;
kb_enabled = is_protocol_enabled(PROTOCOL_ADB_KB);
mouse_enabled = is_protocol_enabled(PROTOCOL_ADB_MOUSE);
if(kb_enabled == 0 && mouse_enabled == 0)
{
adb_reset();
continue;
}
adb_status = adb_recv_cmd(&adb_data);
adb_rw_in_progress = 0;
if(adb_status == ADB_LINE_STATUS_RESET)
adb_reset();
else if(adb_status != ADB_OK)
continue;
// we are just at the end of a ADB command, check address, assert SRQ if needed
this_addr = adb_data >> 4;
if(!kb_buf_is_empty(&my_kb_buf))
kb_srq = (this_addr != adb_kb_current_addr);
else if(!mouse_buf_is_empty(&my_mouse_buf))
mouse_srq = (this_addr != adb_mouse_current_addr);
else
{
kb_srq = 0;
mouse_srq = 0;
}
if((kb_srq && kb_enabled) || (mouse_srq && mouse_enabled))
send_srq();
else
wait_until_change(ADB_DEFAULT_TIMEOUT_US);
adb_status = parse_adb_cmd(adb_data);
if(adb_status == ADB_MOUSE_POLL && mouse_enabled)
adb_mouse_update();
else if(adb_status == ADB_KB_POLL && kb_enabled)
adb_keyboard_update();
else if(adb_status == ADB_KB_POLL_REG2 && kb_enabled)
adb_send_response_16b(adb_kb_reg2);
else if(adb_status == ADB_KB_CHANGE_LED)
{
// kb reg2 top 13 bits is button status, 1 = released 0 = pressed
// bottom 3 bits is LED, 1 = off, 0 = on
memset(spi_transmit_buf, 0, SPI_BUF_SIZE);
spi_transmit_buf[SPI_BUF_INDEX_MAGIC] = SPI_MISO_MAGIC;
spi_transmit_buf[SPI_BUF_INDEX_MSG_TYPE] = SPI_MISO_MSG_TYPE_KB_LED_REQUEST;
if(!(adb_kb_reg2 & 0x4)) // scroll lock LED
spi_transmit_buf[3] = 1;
if(!(adb_kb_reg2 & 0x1)) // num lock LED
spi_transmit_buf[4] = 1;
if(!(adb_kb_reg2 & 0x2)) // caps lock LED
spi_transmit_buf[5] = 1;
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_SET);
}
}
/* USER CODE END 3 */
}
/**
* @brief System Clock Configuration
* @retval None
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI48|RCC_OSCILLATORTYPE_LSI;
RCC_OscInitStruct.HSI48State = RCC_HSI48_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI48;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* IWDG init function */
static void MX_IWDG_Init(void)
{
hiwdg.Instance = IWDG;
hiwdg.Init.Prescaler = IWDG_PRESCALER_32;
hiwdg.Init.Window = 4095;
hiwdg.Init.Reload = 4095;
if (HAL_IWDG_Init(&hiwdg) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* SPI1 init function */
static void MX_SPI1_Init(void)
{
/* SPI1 parameter configuration*/
hspi1.Instance = SPI1;
hspi1.Init.Mode = SPI_MODE_SLAVE;
hspi1.Init.Direction = SPI_DIRECTION_2LINES;
hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi1.Init.NSS = SPI_NSS_HARD_INPUT;
hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi1.Init.CRCPolynomial = 7;
hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi1.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
if (HAL_SPI_Init(&hspi1) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* TIM2 init function */
static void MX_TIM2_Init(void)
{
TIM_ClockConfigTypeDef sClockSourceConfig;
TIM_MasterConfigTypeDef sMasterConfig;
htim2.Instance = TIM2;
htim2.Init.Prescaler = 47;
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.Period = 4294967295;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/* USART2 init function */
static void MX_USART2_UART_Init(void)
{
huart2.Instance = USART2;
huart2.Init.BaudRate = 115200;
huart2.Init.WordLength = UART_WORDLENGTH_8B;
huart2.Init.StopBits = UART_STOPBITS_1;
huart2.Init.Parity = UART_PARITY_NONE;
huart2.Init.Mode = UART_MODE_TX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
if (HAL_HalfDuplex_Init(&huart2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOF_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(USER_LED_GPIO_Port, USER_LED_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(DEBUG2_GPIO_Port, DEBUG2_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(BUSY_GPIO_Port, BUSY_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(SLAVE_REQ_GPIO_Port, SLAVE_REQ_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(ADB_DATA_GPIO_Port, ADB_DATA_Pin, GPIO_PIN_SET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, DEBUG1_Pin|DEBUG0_Pin, GPIO_PIN_SET);
/*Configure GPIO pin : USER_LED_Pin */
GPIO_InitStruct.Pin = USER_LED_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(USER_LED_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : DEBUG2_Pin */
GPIO_InitStruct.Pin = DEBUG2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(DEBUG2_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : BUSY_Pin */
GPIO_InitStruct.Pin = BUSY_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(BUSY_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : ADB_PSW_Pin */
GPIO_InitStruct.Pin = ADB_PSW_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_RISING_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(ADB_PSW_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : SLAVE_REQ_Pin */
GPIO_InitStruct.Pin = SLAVE_REQ_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(SLAVE_REQ_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : ADB_5V_DET_Pin */
GPIO_InitStruct.Pin = ADB_5V_DET_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
HAL_GPIO_Init(ADB_5V_DET_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : ADB_DATA_Pin */
GPIO_InitStruct.Pin = ADB_DATA_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(ADB_DATA_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : DEBUG1_Pin DEBUG0_Pin */
GPIO_InitStruct.Pin = DEBUG1_Pin|DEBUG0_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI0_1_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(EXTI0_1_IRQn);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param file: The file name as string.
* @param line: The line in file as a number.
* @retval None
*/
void _Error_Handler(char *file, int line)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler_Debug */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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