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feat: add USART2 initialization and EXTI15_10 interrupt handler

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This commit is contained in:
Timothy Yin
2025-03-25 14:15:27 +08:00
parent ed81361876
commit c5f3e400ae
14 changed files with 609 additions and 141 deletions
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35
Core/Src/gpio.c
View File

@ -51,13 +51,13 @@ void MX_GPIO_Init(void)
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LED0_GPIO_Port, LED0_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(LED0_GPIO_Port, LED0_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, RC522_CS_Pin|RC522_RST_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(RC522_RST_GPIO_Port, RC522_RST_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(LED_BTN1_GPIO_Port, LED_BTN1_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOB, RC522_CS_Pin|RELAY1_Pin, GPIO_PIN_RESET);
/*Configure GPIO pin : LED0_Pin */
GPIO_InitStruct.Pin = LED0_Pin;
@ -66,30 +66,39 @@ void MX_GPIO_Init(void)
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED0_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pins : RC522_CS_Pin RC522_RST_Pin */
GPIO_InitStruct.Pin = RC522_CS_Pin|RC522_RST_Pin;
/*Configure GPIO pin : RC522_RST_Pin */
GPIO_InitStruct.Pin = RC522_RST_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
HAL_GPIO_Init(RC522_RST_GPIO_Port, &GPIO_InitStruct);
/*Configure GPIO pin : LED_BTN1_Pin */
GPIO_InitStruct.Pin = LED_BTN1_Pin;
/*Configure GPIO pins : RC522_CS_Pin RELAY1_Pin */
GPIO_InitStruct.Pin = RC522_CS_Pin|RELAY1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(LED_BTN1_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pin : BTN1_Pin */
GPIO_InitStruct.Pin = BTN1_Pin;
/*Configure GPIO pins : KEY4_Pin KEY3_Pin KEY2_Pin */
GPIO_InitStruct.Pin = KEY4_Pin|KEY3_Pin|KEY2_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(BTN1_GPIO_Port, &GPIO_InitStruct);
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pin : KEY1_Pin */
GPIO_InitStruct.Pin = KEY1_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(KEY1_GPIO_Port, &GPIO_InitStruct);
/* EXTI interrupt init*/
HAL_NVIC_SetPriority(EXTI9_5_IRQn, 1, 0);
HAL_NVIC_SetPriority(EXTI9_5_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI9_5_IRQn);
HAL_NVIC_SetPriority(EXTI15_10_IRQn, 0, 0);
HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
}
/* USER CODE BEGIN 2 */

16
Core/Src/i2c.c
View File

@ -68,15 +68,17 @@ void HAL_I2C_MspInit(I2C_HandleTypeDef* i2cHandle)
__HAL_RCC_GPIOB_CLK_ENABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
PB8 ------> I2C1_SCL
PB9 ------> I2C1_SDA
*/
GPIO_InitStruct.Pin = GPIO_PIN_6|GPIO_PIN_7;
GPIO_InitStruct.Pin = OLED_SCL_Pin|OLED_SDA_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
__HAL_AFIO_REMAP_I2C1_ENABLE();
/* I2C1 clock enable */
__HAL_RCC_I2C1_CLK_ENABLE();
/* USER CODE BEGIN I2C1_MspInit 1 */
@ -97,12 +99,12 @@ void HAL_I2C_MspDeInit(I2C_HandleTypeDef* i2cHandle)
__HAL_RCC_I2C1_CLK_DISABLE();
/**I2C1 GPIO Configuration
PB6 ------> I2C1_SCL
PB7 ------> I2C1_SDA
PB8 ------> I2C1_SCL
PB9 ------> I2C1_SDA
*/
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_6);
HAL_GPIO_DeInit(OLED_SCL_GPIO_Port, OLED_SCL_Pin);
HAL_GPIO_DeInit(GPIOB, GPIO_PIN_7);
HAL_GPIO_DeInit(OLED_SDA_GPIO_Port, OLED_SDA_Pin);
/* USER CODE BEGIN I2C1_MspDeInit 1 */

8
Core/Src/main.c
View File

@ -105,6 +105,7 @@ int main(void)
MX_I2C1_Init();
MX_USART1_UART_Init();
MX_SPI1_Init();
MX_USART2_UART_Init();
/* USER CODE BEGIN 2 */
// Retarget uart
RetargetInit(&huart1);
@ -118,7 +119,6 @@ int main(void)
OLED_Clear();
OLED_ShowString(0,0,"scanning...",12);
printf("[icpile] dev\r\n");
/* USER CODE END 2 */
/* Infinite loop */
@ -129,7 +129,7 @@ int main(void)
if (!rf_status) {
rf_status = PCD_ERR;
HAL_GPIO_WritePin(LED_BTN1_GPIO_Port, LED_BTN1_Pin, GPIO_PIN_SET);
HAL_GPIO_WritePin(LED0_GPIO_Port, LED0_Pin, GPIO_PIN_SET);
rf_status = PCD_AntiColl(rf_card_id);
}
@ -194,7 +194,7 @@ int main(void)
{
printf("Read card failed\r\n");
}
HAL_GPIO_WritePin(LED_BTN1_GPIO_Port, LED_BTN1_Pin, GPIO_PIN_RESET);
HAL_GPIO_WritePin(LED0_GPIO_Port, LED0_Pin, GPIO_PIN_RESET);
HAL_Delay(3000);
}
/* USER CODE END WHILE */
@ -246,7 +246,7 @@ void SystemClock_Config(void)
/* USER CODE BEGIN 4 */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if(GPIO_Pin == BTN1_Pin)
if(GPIO_Pin == KEY1_Pin)
{
OLED_Clear();
}

86
Core/Src/retarget.c
View File

@ -12,38 +12,38 @@
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
UART_HandleTypeDef *gHuart;
UART_HandleTypeDef* gHuart;
void RetargetInit(UART_HandleTypeDef *huart)
void RetargetInit(UART_HandleTypeDef* huart)
{
gHuart = huart;
/* Disable I/O buffering for STDOUT stream, so that
* chars are sent out as soon as they are printed. */
setvbuf(stdout, NULL, _IONBF, 0);
/* Disable I/O buffering for STDOUT stream, so that
* chars are sent out as soon as they are printed. */
setvbuf(stdout, NULL, _IONBF, 0);
}
int _isatty(int fd)
{
if (fd >= STDIN_FILENO && fd <= STDERR_FILENO)
return 1;
errno = EBADF;
errno = EBADF;
return 0;
}
int _write(int fd, char *ptr, int len)
int _write(int fd, char* ptr, int len)
{
HAL_StatusTypeDef hstatus;
if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
{
hstatus = HAL_UART_Transmit(gHuart, (uint8_t *) ptr, len, HAL_MAX_DELAY);
if (hstatus == HAL_OK)
return len;
else
return EIO;
}
if (fd == STDOUT_FILENO || fd == STDERR_FILENO)
{
hstatus = HAL_UART_Transmit(gHuart, (uint8_t*)ptr, len, HAL_MAX_DELAY);
if (hstatus == HAL_OK)
return len;
else
return EIO;
}
errno = EBADF;
return -1;
}
@ -52,47 +52,47 @@ int _close(int fd)
{
if (fd >= STDIN_FILENO && fd <= STDERR_FILENO)
return 0;
errno = EBADF;
errno = EBADF;
return -1;
}
int _lseek(int fd, int ptr, int dir)
{
(void) fd;
(void) ptr;
(void) dir;
errno = EBADF;
return -1;
}
(void)fd;
(void)ptr;
(void)dir;
int _read(int fd, char *ptr, int len)
{
HAL_StatusTypeDef hstatus;
if (fd == STDIN_FILENO)
{
hstatus = HAL_UART_Receive(gHuart, (uint8_t *) ptr, 1, HAL_MAX_DELAY);
if (hstatus == HAL_OK)
return 1;
else
return EIO;
}
errno = EBADF;
return -1;
}
int _fstat(int fd, struct stat *st)
int _read(int fd, char* ptr, int len)
{
HAL_StatusTypeDef hstatus;
if (fd == STDIN_FILENO)
{
hstatus = HAL_UART_Receive(gHuart, (uint8_t*)ptr, 1, HAL_MAX_DELAY);
if (hstatus == HAL_OK)
return 1;
else
return EIO;
}
errno = EBADF;
return -1;
}
int _fstat(int fd, struct stat* st)
{
if (fd >= STDIN_FILENO && fd <= STDERR_FILENO)
{
st->st_mode = S_IFCHR;
return 0;
}
errno = EBADF;
errno = EBADF;
return 0;
}
#endif //#if !defined(OS_USE_SEMIHOSTING)
#endif //#if !defined(OS_USE_SEMIHOSTING)

18
Core/Src/stm32f1xx_it.c
View File

@ -206,12 +206,28 @@ void EXTI9_5_IRQHandler(void)
/* USER CODE BEGIN EXTI9_5_IRQn 0 */
/* USER CODE END EXTI9_5_IRQn 0 */
HAL_GPIO_EXTI_IRQHandler(BTN1_Pin);
HAL_GPIO_EXTI_IRQHandler(KEY1_Pin);
/* USER CODE BEGIN EXTI9_5_IRQn 1 */
/* USER CODE END EXTI9_5_IRQn 1 */
}
/**
* @brief This function handles EXTI line[15:10] interrupts.
*/
void EXTI15_10_IRQHandler(void)
{
/* USER CODE BEGIN EXTI15_10_IRQn 0 */
/* USER CODE END EXTI15_10_IRQn 0 */
HAL_GPIO_EXTI_IRQHandler(KEY4_Pin);
HAL_GPIO_EXTI_IRQHandler(KEY3_Pin);
HAL_GPIO_EXTI_IRQHandler(KEY2_Pin);
/* USER CODE BEGIN EXTI15_10_IRQn 1 */
/* USER CODE END EXTI15_10_IRQn 1 */
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */

75
Core/Src/usart.c
View File

@ -25,6 +25,7 @@
/* USER CODE END 0 */
UART_HandleTypeDef huart1;
UART_HandleTypeDef huart2;
/* USART1 init function */
@ -54,6 +55,35 @@ void MX_USART1_UART_Init(void)
/* USER CODE END USART1_Init 2 */
}
/* USART2 init function */
void MX_USART2_UART_Init(void)
{
/* USER CODE BEGIN USART2_Init 0 */
/* USER CODE END USART2_Init 0 */
/* USER CODE BEGIN USART2_Init 1 */
/* USER CODE END USART2_Init 1 */
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_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
if (HAL_UART_Init(&huart2) != HAL_OK)
{
Error_Handler();
}
/* USER CODE BEGIN USART2_Init 2 */
/* USER CODE END USART2_Init 2 */
}
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
@ -87,6 +117,33 @@ void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
/* USER CODE END USART1_MspInit 1 */
}
else if(uartHandle->Instance==USART2)
{
/* USER CODE BEGIN USART2_MspInit 0 */
/* USER CODE END USART2_MspInit 0 */
/* USART2 clock enable */
__HAL_RCC_USART2_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_3;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/* USER CODE BEGIN USART2_MspInit 1 */
/* USER CODE END USART2_MspInit 1 */
}
}
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
@ -110,6 +167,24 @@ void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
/* USER CODE END USART1_MspDeInit 1 */
}
else if(uartHandle->Instance==USART2)
{
/* USER CODE BEGIN USART2_MspDeInit 0 */
/* USER CODE END USART2_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_USART2_CLK_DISABLE();
/**USART2 GPIO Configuration
PA2 ------> USART2_TX
PA3 ------> USART2_RX
*/
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_2|GPIO_PIN_3);
/* USER CODE BEGIN USART2_MspDeInit 1 */
/* USER CODE END USART2_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */