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128 lines
2.9 KiB
128 lines
2.9 KiB
//
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// Created by lidong on 25-8-4.
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//
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#include "usart.h"
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#ifdef HAL_UART_MODULE_ENABLED
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UART_HandleTypeDef DebugUartHandle;
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/**
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* @brief DEBUG_USART GPIO Config,Mode Config,115200 8-N-1
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* @param None
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* @retval None
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*/
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void USART_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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#if defined(__GNUC__)
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setvbuf(stdout, NULL, _IONBF, 0 );
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#endif
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__HAL_RCC_USART2_CLK_ENABLE();
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DebugUartHandle.Instance = DEBUG_USART;
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DebugUartHandle.Init.BaudRate = USART_BAUDRATE;
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DebugUartHandle.Init.WordLength = UART_WORDLENGTH_8B;
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DebugUartHandle.Init.StopBits = UART_STOPBITS_1;
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DebugUartHandle.Init.Parity = UART_PARITY_NONE;
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DebugUartHandle.Init.HwFlowCtl = UART_HWCONTROL_NONE;
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DebugUartHandle.Init.Mode = UART_MODE_TX_RX;
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DebugUartHandle.Init.OverSampling = UART_OVERSAMPLING_16;
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DebugUartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
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HAL_UART_Init(&DebugUartHandle);
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USART_RX_GPIO_CLK_ENABLE();
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USART_TX_GPIO_CLK_ENABLE();
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/**USART GPIO Configuration
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PA2 ------> USART1_TX
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PA3 ------> USART1_RX
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*/
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GPIO_InitStruct.Pin = USART_TX_PIN;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
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GPIO_InitStruct.Alternate = USART_TX_AF;
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HAL_GPIO_Init(USART_TX_GPIO_PORT, &GPIO_InitStruct);
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GPIO_InitStruct.Pin = USART_RX_PIN;
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GPIO_InitStruct.Alternate = USART_RX_AF;
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HAL_GPIO_Init(USART_RX_GPIO_PORT, &GPIO_InitStruct);
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/* ENABLE NVIC */
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HAL_NVIC_SetPriority(USART_IRQ,0,1);
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HAL_NVIC_EnableIRQ(USART_IRQ );
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}
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#if (defined (__CC_ARM)) || (defined (__ARMCC_VERSION) && (__ARMCC_VERSION >= 6010050))
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/**
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* @brief writes a character to the usart
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* @param ch
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* *f
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* @retval the character
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*/
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int fputc(int ch, FILE *f)
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{
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/* Send a byte to USART */
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HAL_UART_Transmit(&DebugUartHandle, (uint8_t *)&ch, 1, 1000);
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return (ch);
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}
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/**
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* @brief get a character from the usart
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* @param *f
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* @retval a character
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*/
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int fgetc(FILE *f)
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{
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int ch;
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HAL_UART_Receive(&DebugUartHandle, (uint8_t *)&ch, 1, 1000);
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return (ch);
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}
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#elif defined(__ICCARM__)
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/**
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* @brief writes a character to the usart
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* @param ch
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* *f
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* @retval the character
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*/
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int putchar(int ch)
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{
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/* Send a byte to USART */
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HAL_UART_Transmit(&DebugUartHandle, (uint8_t *)&ch, 1, 1000);
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return (ch);
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}
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#elif defined(__GNUC__)
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/**
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* @brief writes a character to the usart
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* @param ch
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* @retval the character
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*/
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int __io_putchar(int ch)
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{
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/* Send a byte to USART */
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HAL_UART_Transmit(&DebugUartHandle, (uint8_t *)&ch, 1, 1000);
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return ch;
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}
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int _write(int file, char *ptr, int len)
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{
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(void)file;
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int DataIdx;
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for (DataIdx=0;DataIdx<len;DataIdx++)
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{
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__io_putchar(*ptr++);
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}
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return len;
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}
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#endif
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#endif |