89 lines
2.5 KiB
C
89 lines
2.5 KiB
C
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/**
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******************************************************************************
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* @file bsp_debug_usart.c
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* @author fire
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* @version V1.0
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* @date 2016-xx-xx
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* @brief ʹ<EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD>2<EFBFBD><EFBFBD><EFBFBD>ض<EFBFBD><EFBFBD><EFBFBD>c<EFBFBD><EFBFBD>printf<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>usart<EFBFBD>˿<EFBFBD>
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******************************************************************************
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* @attention
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*
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* ʵ<EFBFBD><EFBFBD>ƽ̨:Ұ<EFBFBD><EFBFBD> STM32 H743 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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* <EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
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* <EFBFBD>Ա<EFBFBD> :http://firestm32.taobao.com
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*
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******************************************************************************
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*/
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#include "./usart/bsp_usart.h"
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UART_HandleTypeDef UartHandle;
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/**
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* @brief USARTx GPIO <EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģʽ<EFBFBD><EFBFBD><EFBFBD>á<EFBFBD>115200 8-N-1
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* @param <EFBFBD><EFBFBD>
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* @retval <EFBFBD><EFBFBD>
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*/
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void UARTx_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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RCC_PeriphCLKInitTypeDef RCC_PeriphClkInit;
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UARTx_RX_GPIO_CLK_ENABLE();
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UARTx_TX_GPIO_CLK_ENABLE();
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/* <20><><EFBFBD>ô<EFBFBD><C3B4><EFBFBD>2ʱ<32><CAB1>Դ*/
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RCC_PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1;
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RCC_PeriphClkInit.Usart16ClockSelection = RCC_USART16CLKSOURCE_D2PCLK2;
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HAL_RCCEx_PeriphCLKConfig(&RCC_PeriphClkInit);
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/* ʹ<><CAB9> UART ʱ<><CAB1> */
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UARTx_CLK_ENABLE();
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/**USART1 GPIO Configuration
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PA9 ------> USART1_TX
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PA10 ------> USART1_RX
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*/
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/* <20><><EFBFBD><EFBFBD>Tx<54><78><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ù<EFBFBD><C3B9><EFBFBD> */
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GPIO_InitStruct.Pin = UARTx_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_HIGH;
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GPIO_InitStruct.Alternate = UARTx_TX_AF;
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HAL_GPIO_Init(UARTx_TX_GPIO_PORT, &GPIO_InitStruct);
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/* <20><><EFBFBD><EFBFBD>Rx<52><78><EFBFBD><EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD>ù<EFBFBD><C3B9><EFBFBD> */
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GPIO_InitStruct.Pin = UARTx_RX_PIN;
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GPIO_InitStruct.Alternate = UARTx_RX_AF;
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HAL_GPIO_Init(UARTx_RX_GPIO_PORT, &GPIO_InitStruct);
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/* <20><><EFBFBD>ô<EFBFBD>USARTx ģʽ */
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UartHandle.Instance = UARTx;
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UartHandle.Init.BaudRate = 115200;
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UartHandle.Init.WordLength = UART_WORDLENGTH_8B;
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UartHandle.Init.StopBits = UART_STOPBITS_1;
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UartHandle.Init.Parity = UART_PARITY_NONE;
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UartHandle.Init.Mode = UART_MODE_TX_RX;
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HAL_UART_Init(&UartHandle);
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}
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///<2F>ض<EFBFBD><D8B6><EFBFBD>c<EFBFBD>⺯<EFBFBD><E2BAAF>printf<74><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD>USARTx<54><78><EFBFBD>ض<EFBFBD><D8B6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>printf<74><66><EFBFBD><EFBFBD>
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int fputc(int ch, FILE *f)
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{
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/* <20><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD>ݵ<EFBFBD><DDB5><EFBFBD><EFBFBD><EFBFBD>USARTx */
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HAL_UART_Transmit(&UartHandle, (uint8_t *)&ch, 1, 0xFFFF);
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return (ch);
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}
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///<2F>ض<EFBFBD><D8B6><EFBFBD>c<EFBFBD>⺯<EFBFBD><E2BAAF>scanf<6E><66><EFBFBD><EFBFBD><EFBFBD><EFBFBD>USARTx<54><78><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><CAB9>scanf<6E><66>getchar<61>Ⱥ<EFBFBD><C8BA><EFBFBD>
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int fgetc(FILE *f)
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{
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int ch;
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/* <20>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> */
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while(__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) == RESET);
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__HAL_UART_CLEAR_OREFLAG(&UartHandle);
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HAL_UART_Receive(&UartHandle, (uint8_t *)&ch, 1, 0xFFFF);
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return (ch);
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}
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/*********************************************END OF FILE**********************/
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