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chenxin
2026-04-23 10:50:18 +08:00
commit a436fda935
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134
IAPV1.1/Driver/usart/usart.c Normal file
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#include "usart.h"
#include "pbdata.h"
char USART1_TX_BUF[USART1_MAX_SEND_LEN]; //<2F><><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD>,<2C><><EFBFBD><EFBFBD>USART2_MAX_SEND_LEN<45>ֽ<EFBFBD>
void UART_PutChar(USART_TypeDef* USARTx, uint8_t Data)
{
USART_SendData(USARTx, Data);
while(USART_GetFlagStatus(USARTx, USART_FLAG_TC) == RESET){}
}
void UART_PutStr (USART_TypeDef* USARTx, char *str)
{
while (0 != *str)
{
UART_PutChar(USARTx, *str);
str++;
}
}
void USART_OUT(USART_TypeDef* USARTx, uint8_t *Data,uint16_t Len)
{
uint16_t i;
for(i=0; i<Len; i++){
USART_SendData(USARTx, Data[i]);
while(USART_GetFlagStatus(USARTx, USART_FLAG_TC)==RESET);
}
}
int fputc(int ch,FILE *f)
{
USART_ClearFlag(USART1,USART_FLAG_TC);
USART_SendData(USART1,(u8)ch);
while(USART_GetFlagStatus(USART1,USART_FLAG_TXE)==RESET);//<2F>ȴ<EFBFBD><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>);
return ch;
}
void USART1_Configuration(u32 baund)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); //ʹ<><CAB9>USART1
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); //GPIOAʱ<41><CAB1>
USART_DeInit(USART1); //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>1
//USART1_TX PA.9
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//USART1_RX PA.10
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1);
USART_InitStructure.USART_BaudRate = baund;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1,&USART_InitStructure);
USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);//<2F><><EFBFBD><EFBFBD>USART1<54>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD>ж<EFBFBD>
//Usart1 NVIC <20><><EFBFBD><EFBFBD>
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;//<2F><><EFBFBD><EFBFBD>1<EFBFBD>ж<EFBFBD>ͨ<EFBFBD><CDA8>
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3;//<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelSubPriority =0; //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQͨ<51><CDA8>ʹ<EFBFBD><CAB9>
NVIC_Init(&NVIC_InitStructure); //<2F><><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD>IJ<EFBFBD><C4B2><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><CABC>VIC<49>Ĵ<EFBFBD><C4B4><EFBFBD><EFBFBD><EFBFBD>
USART_Cmd(USART1,ENABLE);
USART_ClearFlag(USART1,USART_FLAG_TC); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־λ
}
//ʹ<>ô<EFBFBD><C3B4>ڶ<EFBFBD>ȡSDI<44>ȸ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>IO
void USART_RS232_DEinit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_Cmd(USART1,DISABLE);
USART_DeInit(USART1);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE); //ʹ<><CAB9>PB<50>˿<EFBFBD>ʱ<EFBFBD><CAB1>
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9|GPIO_Pin_10;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //<2F><><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //<2F><><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz; //IO<49><4F><EFBFBD>ٶ<EFBFBD>Ϊ400KHz
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_SetBits(GPIOA,GPIO_Pin_9);
GPIO_SetBits(GPIOA,GPIO_Pin_10);
}
//ʹ<>ô<EFBFBD><C3B4>ڶ<EFBFBD>ȡSDI<44>ȸ<EFBFBD>λ<EFBFBD><CEBB><EFBFBD>ڣ<EFBFBD><DAA3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>IO
void USART_SDI_DEinit(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
USART_Cmd(USART1,DISABLE);
USART_DeInit(USART1);
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE); //ʹ<><CAB9>PB<50>˿<EFBFBD>ʱ<EFBFBD><CAB1>
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6|GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT; //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //<2F><><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //<2F><><EFBFBD><EFBFBD>
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_400KHz; //IO<49><4F><EFBFBD>ٶ<EFBFBD>Ϊ400KHz
GPIO_Init(GPIOB, &GPIO_InitStructure);
GPIO_SetBits(GPIOB,GPIO_Pin_6);
GPIO_SetBits(GPIOB,GPIO_Pin_7);
}
void USART1_IRQHandler(void)
{
u8 ucCh;
if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET)//<2F><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>
{
ucCh =USART_ReceiveData(USART1);
USART_SendData(USART1, ucCh);
while(USART_GetFlagStatus(USART1, USART_FLAG_TC)==RESET);
}
}