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chenxin
2026-04-23 10:50:18 +08:00
commit a436fda935
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107
IAPV1.1/Driver/usart/usart5.c Normal file
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#include "bsp.h"
//<2F><><EFBFBD>ڽ<EFBFBD><DABD>ջ<EFBFBD><D5BB><EFBFBD><EFBFBD><EFBFBD>
Usart5_Fram_Record_Struct Usart5_Fram_Record_Structs;
u8 Usart5_TX_BUF[520]; //<2F><><EFBFBD>ͻ<EFBFBD><CDBB><EFBFBD>
void Usart5_Configuration(u32 baund)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_UART5, ENABLE); //ʹ<><CAB9>Usart5
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOC|RCC_AHBPeriph_GPIOD, ENABLE); //GPIOcʱ<63><CAB1>
//NVIC_Configuration();
USART_DeInit(UART5); //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>1
//USART1_TX PC12
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 ;
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(GPIOC, &GPIO_InitStructure);
//USART1_RX PD2
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 ;
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(GPIOD, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource12, GPIO_AF_UART5);
GPIO_PinAFConfig(GPIOD, GPIO_PinSource2, GPIO_AF_UART5);
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(UART5,&USART_InitStructure);
USART_Cmd(UART5,ENABLE);
USART_ITConfig(UART5,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 = UART5_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_ClearFlag(UART5,USART_FLAG_TC); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־λ
}
void Usart5_ReceiveBuff_Clear(void)
{
Usart5_Fram_Record_Structs.InfBit.FramLength=0;
Usart5_Fram_Record_Structs.InfBit.FramFinishFlag=0;
memset(Usart5_Fram_Record_Structs.Usart5_RX_BUF,0,Usart5_MAX_RECV_LEN);
memset(Usart5_TX_BUF,0,200);
}
void UART5_IRQHandler(void)
{
u8 ucCh;
if(USART_GetITStatus( UART5, USART_IT_RXNE ) != RESET )
{
ucCh = USART_ReceiveData( UART5 );
if(Usart5_Fram_Record_Structs .InfBit .FramLength < ( Usart5_MAX_RECV_LEN - 1 ) )
{
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һλ<D2BB><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ
Usart5_Fram_Record_Structs .Usart5_RX_BUF[ Usart5_Fram_Record_Structs .InfBit .FramLength ++ ] = ucCh;
}
}
if( USART_GetITStatus( UART5, USART_IT_IDLE ) == SET ) //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߿<EFBFBD><DFBF><EFBFBD>
{
Usart5_Fram_Record_Structs .InfBit .FramFinishFlag = 1;
ucCh = USART_ReceiveData( UART5 ); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ<D6BE><CEBB><EFBFBD>ȶ<EFBFBD>USART_SR,Ȼ<><C8BB><EFBFBD><EFBFBD>USART_DR<44><52>
}
}
//<2F><><EFBFBD><EFBFBD>5,printf <20><><EFBFBD><EFBFBD>
//ȷ<><C8B7>һ<EFBFBD>η<EFBFBD><CEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD><EFBFBD><EFBFBD>Usart5_MAX_SEND_LEN<45>ֽ<EFBFBD>
void u5_printf(char* fmt,...)
{
u16 i,j;
va_list ap;
va_start(ap,fmt);
vsprintf((char*)Usart5_TX_BUF,fmt,ap);
va_end(ap);
i=strlen((const char*)Usart5_TX_BUF); //<2F>˴η<CBB4><CEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵij<DDB5><C4B3><EFBFBD>
for(j=0;j<i;j++) //ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
{
while(USART_GetFlagStatus(UART5,USART_FLAG_TC)==RESET); //ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ֱ<><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_SendData(UART5,Usart5_TX_BUF[j]);
}
}