/**
|
******************************************************************************
|
* @file usart.c
|
* @brief This file provides code for the configuration
|
* of the USART instances.
|
******************************************************************************
|
* @attention
|
*
|
* <h2><center>© Copyright (c) 2021 STMicroelectronics.
|
* All rights reserved.</center></h2>
|
*
|
* This software component is licensed by ST under BSD 3-Clause license,
|
* the "License"; You may not use this file except in compliance with the
|
* License. You may obtain a copy of the License at:
|
* opensource.org/licenses/BSD-3-Clause
|
*
|
******************************************************************************
|
*/
|
|
/* Includes ------------------------------------------------------------------*/
|
#include "usart.h"
|
|
/* USER CODE BEGIN 0 */
|
static uint8_t s_uart1_rxch;
|
char g_uart1_rxbuf[256];
|
uint8_t g_uart1_bytes;
|
|
static uint8_t s_uart2_rxch;
|
char g_uart2_rxbuf[256];
|
uint8_t g_uart2_bytes;
|
/* USER CODE END 0 */
|
|
UART_HandleTypeDef huart1;
|
UART_HandleTypeDef huart2;
|
|
/* USART1 init function */
|
|
void MX_USART1_UART_Init(void)
|
{
|
|
/* USER CODE BEGIN USART1_Init 0 */
|
|
/* USER CODE END USART1_Init 0 */
|
|
/* USER CODE BEGIN USART1_Init 1 */
|
|
/* USER CODE END USART1_Init 1 */
|
huart1.Instance = USART1;
|
huart1.Init.BaudRate = 115200;
|
huart1.Init.WordLength = UART_WORDLENGTH_8B;
|
huart1.Init.StopBits = UART_STOPBITS_1;
|
huart1.Init.Parity = UART_PARITY_NONE;
|
huart1.Init.Mode = UART_MODE_TX_RX;
|
huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
|
huart1.Init.OverSampling = UART_OVERSAMPLING_16;
|
huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
if (HAL_UART_Init(&huart1) != HAL_OK)
|
{
|
Error_Handler();
|
}
|
/* USER CODE BEGIN USART1_Init 2 */
|
HAL_UART_Receive_IT(&huart1 , &s_uart1_rxch, 1);
|
/* 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;
|
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
|
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
|
if (HAL_UART_Init(&huart2) != HAL_OK)
|
{
|
Error_Handler();
|
}
|
/* USER CODE BEGIN USART2_Init 2 */
|
HAL_UART_Receive_IT(&huart2 , &s_uart2_rxch, 1);
|
/* USER CODE END USART2_Init 2 */
|
|
}
|
|
void HAL_UART_MspInit(UART_HandleTypeDef* uartHandle)
|
{
|
|
GPIO_InitTypeDef GPIO_InitStruct = {0};
|
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
|
if(uartHandle->Instance==USART1)
|
{
|
/* USER CODE BEGIN USART1_MspInit 0 */
|
|
/* USER CODE END USART1_MspInit 0 */
|
/** Initializes the peripherals clock
|
*/
|
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
|
PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK2;
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
{
|
Error_Handler();
|
}
|
|
/* USART1 clock enable */
|
__HAL_RCC_USART1_CLK_ENABLE();
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
/**USART1 GPIO Configuration
|
PA9 ------> USART1_TX
|
PA10 ------> USART1_RX
|
*/
|
GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
GPIO_InitStruct.Alternate = GPIO_AF7_USART1;
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
/* USART1 interrupt Init */
|
HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
|
HAL_NVIC_EnableIRQ(USART1_IRQn);
|
/* USER CODE BEGIN USART1_MspInit 1 */
|
|
/* USER CODE END USART1_MspInit 1 */
|
}
|
else if(uartHandle->Instance==USART2)
|
{
|
/* USER CODE BEGIN USART2_MspInit 0 */
|
|
/* USER CODE END USART2_MspInit 0 */
|
|
/** Initializes the peripherals clock
|
*/
|
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
|
PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
|
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
|
{
|
Error_Handler();
|
}
|
|
/* 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_PIN_3;
|
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
|
GPIO_InitStruct.Pull = GPIO_NOPULL;
|
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
|
GPIO_InitStruct.Alternate = GPIO_AF7_USART2;
|
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
|
|
/* USART2 interrupt Init */
|
HAL_NVIC_SetPriority(USART2_IRQn, 0, 0);
|
HAL_NVIC_EnableIRQ(USART2_IRQn);
|
/* USER CODE BEGIN USART2_MspInit 1 */
|
|
/* USER CODE END USART2_MspInit 1 */
|
}
|
}
|
|
void HAL_UART_MspDeInit(UART_HandleTypeDef* uartHandle)
|
{
|
|
if(uartHandle->Instance==USART1)
|
{
|
/* USER CODE BEGIN USART1_MspDeInit 0 */
|
|
/* USER CODE END USART1_MspDeInit 0 */
|
/* Peripheral clock disable */
|
__HAL_RCC_USART1_CLK_DISABLE();
|
|
/**USART1 GPIO Configuration
|
PA9 ------> USART1_TX
|
PA10 ------> USART1_RX
|
*/
|
HAL_GPIO_DeInit(GPIOA, GPIO_PIN_9|GPIO_PIN_10);
|
|
/* USART1 interrupt Deinit */
|
HAL_NVIC_DisableIRQ(USART1_IRQn);
|
/* USER CODE BEGIN USART1_MspDeInit 1 */
|
|
/* 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);
|
|
/* USART2 interrupt Deinit */
|
HAL_NVIC_DisableIRQ(USART2_IRQn);
|
/* USER CODE BEGIN USART2_MspDeInit 1 */
|
|
/* USER CODE END USART2_MspDeInit 1 */
|
}
|
}
|
|
/* USER CODE BEGIN 1 */
|
|
#ifdef __GNUC__
|
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
|
#else
|
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
|
#endif
|
PUTCHAR_PROTOTYPE
|
{
|
HAL_UART_Transmit(&huart1 , (uint8_t *)&ch, 1, 0xFFFF);
|
return ch;
|
}
|
|
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
|
{
|
if (huart->Instance == USART1)
|
{
|
if( g_uart1_bytes< sizeof(g_uart1_rxbuf) )
|
{
|
g_uart1_rxbuf[g_uart1_bytes++] = s_uart1_rxch;
|
}
|
HAL_UART_Receive_IT(&huart1 , &s_uart1_rxch, 1);
|
}
|
|
if (huart->Instance == USART2)
|
{
|
if( g_uart2_bytes< sizeof(g_uart2_rxbuf) )
|
{
|
g_uart2_rxbuf[g_uart2_bytes++] = s_uart2_rxch;
|
}
|
HAL_UART_Receive_IT(&huart2 , &s_uart2_rxch, 1);
|
}
|
}
|
|
void uart_forward(void)
|
{
|
if( strstr(g_uart1_rxbuf, "\r\n"))
|
{
|
HAL_UART_Transmit(&huart2 , (uint8_t *)g_uart1_rxbuf, g_uart1_bytes, 0xFF);
|
clear_uart1_rxbuf();
|
}
|
|
if (g_uart2_bytes > 0)
|
{
|
HAL_Delay(100); /* Wait AT command reply receive over */
|
HAL_UART_Transmit(&huart1 , (uint8_t *)g_uart2_rxbuf, g_uart2_bytes, 0xFF);
|
clear_uart2_rxbuf();
|
}
|
}
|
/* USER CODE END 1 */
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|
