154 lines
3.4 KiB
C
154 lines
3.4 KiB
C
#include "Bsp.h"
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/**
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* @brief 使能GPIO的时钟
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* @param [in] GPIOx GPIO组
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* @retval void
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* @note void
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* @example void
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*/
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void UsartClockEnable(uint32_t ComId, FunctionalState State)
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{
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switch (ComId) {
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case USART1_BASE:
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, State);
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break;
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case USART2_BASE:
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, State);
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break;
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case USART3_BASE:
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, State);
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break;
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case UART4_BASE:
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART4, State);
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break;
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case UART5_BASE:
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, State);
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break;
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default:
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break;
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}
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}
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/**
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* @brief 初始化USART口外设的时钟
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* @param void
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* @retval void
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* @note void
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* @example void
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*/
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void BspInitUsartClock(void)
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{
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#ifdef USE_USART1
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UsartClockEnable(COM0,ENABLE);
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#endif
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#ifdef USE_USART2
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UsartClockEnable(COM1,ENABLE);
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#endif
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#ifdef USE_USART3
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UsartClockEnable(COM2,ENABLE);
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#endif
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#ifdef USE_USART4
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UsartClockEnable(COM3,ENABLE);
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#endif
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#ifdef USE_USART5
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UsartClockEnable(COM4,ENABLE);
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#endif
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}
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/**
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* @brief 配置USART口
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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void UsartConfig(uint32_t ComId, uint32_t baud, uint8_t DataBits, uint8_t StopBits, uint8_t Parity)
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{
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USART_InitTypeDef UsartInitSt;
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//初始化串口
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USART_StructInit(&UsartInitSt);
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UsartInitSt.USART_BaudRate = baud;
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UsartInitSt.USART_WordLength = DataBits;
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UsartInitSt.USART_StopBits = StopBits;
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UsartInitSt.USART_Parity = Parity;
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UsartInitSt.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
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UsartInitSt.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
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USART_Init((USART_TypeDef*)ComId, &UsartInitSt);
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//配置中断
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USART_ITConfig((USART_TypeDef*)ComId, USART_IT_RXNE, ENABLE);
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//启用串口
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USART_Cmd((USART_TypeDef*)ComId, ENABLE);
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USART_GetFlagStatus((USART_TypeDef*)ComId, USART_FLAG_TC);
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}
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/**
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* @brief USART口发送数据
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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void UsartSendChar(uint32_t ComId,uint8_t Data)
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{
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USART_SendData((USART_TypeDef*)ComId, Data);
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while (USART_GetFlagStatus((USART_TypeDef*)ComId, USART_FLAG_TC) != SET);
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}
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/**
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* @brief USART口发送字符串
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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void UsartSendStr(uint32_t ComId,uint8_t* Data, uint64_t Len)
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{
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for (uint64_t i = 0;i < Len;i++)
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{
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USART_SendData((USART_TypeDef*)ComId, Data[i]);
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while (USART_GetFlagStatus((USART_TypeDef*)ComId, USART_FLAG_TC) != SET);
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}
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}
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/**
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* @brief USART口发送数据
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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uint8_t UsartReceiveChar(uint32_t ComId)
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{
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return USART_ReceiveData((USART_TypeDef*)ComId);
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}
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/**
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* @brief 通用USART配置
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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void UsartStdConfig(uint32_t ComId, uint32_t baud)
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{
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UsartConfig(ComId, baud, DataBit_8, StopBit_1, Parity_No);
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}
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/**
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* @brief 高级串口配置
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* @param
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* @retval void
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* @note void
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* @example void
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*/
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void UsartAdvConfig(uint32_t ComId, uint32_t baud, uint8_t DataBits, uint8_t StopBits, uint8_t Parity)
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{
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UsartConfig(ComId, baud, DataBits, StopBits, Parity);
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}
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