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chenxin
2026-04-23 10:50:18 +08:00
commit a436fda935
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RTX5_20220316/Driver/usart/usart1_sdi.c Normal file
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/*
*****************************************************************
ͷ<>ļ<EFBFBD>
*****************************************************************
*/
#include "usart1_sdi.h"
#include "bsp.h"
/*
************************************************************************************
<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
************************************************************************************
*/
char USART1_SDI_RX_BUF[USART1_SDI_REC_LEN]; //<2F><><EFBFBD>ջ<EFBFBD><D5BB><EFBFBD>,<2C><><EFBFBD><EFBFBD>USART_REC_LEN<45><4E><EFBFBD>ֽ<EFBFBD>.
char USART1_SDI_TX_BUF[100];
//<2F><><EFBFBD><EFBFBD>״̬
//bit15<31><35> <09><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־
//bit14<31><34> <09><><EFBFBD>յ<EFBFBD>0x0d
//bit13~0<><30> <09><><EFBFBD>յ<EFBFBD><D5B5><EFBFBD><EFBFBD><EFBFBD>Ч<EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>Ŀ
u16 USART_SDI_RX_STA=0; //<2F><><EFBFBD><EFBFBD>״̬<D7B4><CCAC><EFBFBD><EFBFBD>
/*
*********************************************************************************************************
* <09><> <20><> <20><>: USART1_Configuration()
* <09><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>: <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD>
* <09><> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>baund
* <20><> <20><> <20><><EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void USART1_SDI_Configuration(u32 baund)
{
USART_InitTypeDef USART_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
Enable_SDI_RS232=0;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); //ʹ<><CAB9>USART1_SDI_SDI
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOB, ENABLE); //GPIOAʱ<41><CAB1>
//NVIC_Configuration();
USART_DeInit(USART1); //<2F><>λ<EFBFBD><CEBB><EFBFBD><EFBFBD>1
//USART1_SDI_SDI_TX PB.6--TX PB.7--RX
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7;
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(GPIOB, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource6, GPIO_AF_USART1);
GPIO_PinAFConfig(GPIOB, GPIO_PinSource7, 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_Even; //<2F><>У<EFBFBD>飬<EFBFBD><E9A3AC><EFBFBD><EFBFBD>λ<EFBFBD><CEBB>Ϊ7λ
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1,&USART_InitStructure);
USART_Cmd(USART1,ENABLE);
USART_ITConfig(USART1,USART_IT_RXNE,ENABLE);//<2F><><EFBFBD><EFBFBD>USART1_SDI_SDI<44>Ľ<EFBFBD><C4BD><EFBFBD><EFBFBD>ж<EFBFBD>
//USART1_SDI_SDI NVIC <20><><EFBFBD><EFBFBD>
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;//<2F><><EFBFBD><EFBFBD>3<EFBFBD>ж<EFBFBD>ͨ<EFBFBD><CDA8>
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=3;//<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelSubPriority =3; //<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(USART1,USART_FLAG_TC); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɱ<EFBFBD>־λ
}
/*
*********************************************************************************************************
* <09><> <20><> <20><>: USART1_SDI_CLR_RXBuf()
* <09><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>: <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <09><> <20><> <20><><EFBFBD><EFBFBD>
* <20><> <20><> <20><><EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void USART1_SDI_CLR_RXBuf(void)
{
memset(USART1_SDI_RX_BUF, 0, USART1_SDI_REC_LEN);
USART_SDI_RX_STA=0;
}
/*
*********************************************************************************************************
* <09><> <20><> <20><>: USART1_SDI_SDI_CLR_TXBuf()
* <09><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>: <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <09><> <20><> <20><><EFBFBD><EFBFBD>
* <20><> <20><> <20><><EFBFBD><EFBFBD>
*********************************************************************************************************
*/
void USART1_SDI_SDI_CLR_TXBuf(void)
{
memset(USART1_SDI_TX_BUF, 0, 100);
}
/*
*********************************************************************************************************
* <09><> <20><> <20><>: u1_printf()
* <09><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5>: <20><><EFBFBD><EFBFBD>1<EFBFBD><31><EFBFBD><EFBFBD>
* <09><> <20><> <20><>
* <20><> <20><> <20><>
*********************************************************************************************************
*/
void u1_printf(char* fmt,...)
{
u16 i,j;
va_list ap;
va_start(ap,fmt);
vsprintf((char*)USART1_SDI_TX_BUF,fmt,ap);
va_end(ap);
i=strlen((const char*)USART1_SDI_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(USART1,USART_FLAG_TC)==RESET); //ѭ<><D1AD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,ֱ<><D6B1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
USART_SendData(USART1,USART1_SDI_TX_BUF[j]);
}
}
/***************************** END OF FILE *********************************/