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chenxin
2026-04-23 10:50:18 +08:00
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IAPV1.1/Driver/usart/usart1_sdi.c Normal file
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#include "usart1_sdi.h"
#include "bsp.h"
//<2F><><EFBFBD><EFBFBD>1<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ע<><D7A2>,<2C><>ȡUSARTx->SR<53>ܱ<EFBFBD><DCB1><EFBFBD>Ī<EFBFBD><C4AA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ĵ<EFBFBD><C4B4><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>
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 PB.7
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
}
void USART1_SDI_CLR_RXBuf(void)
{
memset(USART1_SDI_RX_BUF, 0, USART1_SDI_REC_LEN);
USART_SDI_RX_STA=0;
}
void USART1_SDI_SDI_CLR_TXBuf(void)
{
memset(USART1_SDI_TX_BUF, 0, 100);
}
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]);
}
}
//void timer4_init(void)
//{
// TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
// NVIC_InitTypeDef NVIC_InitStructure;
// RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
// TIM_TimeBaseStructure.TIM_Period = 99;
// TIM_TimeBaseStructure.TIM_Prescaler = 3199;//<2F>ж<EFBFBD>ʱ<EFBFBD><CAB1>10ms
// TIM_TimeBaseStructure.TIM_ClockDivision = 1;
// TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
// TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);
//
// /* TIM IT enable */
// TIM_ITConfig(TIM4,TIM_IT_Update, ENABLE);
// TIM_ClearITPendingBit(TIM4, TIM_IT_Update);
// /* TIM4 enable counter */
// TIM_Cmd(TIM4, DISABLE);
// /* Enable the TIM4 Interrupt */
//
// NVIC_InitStructure.NVIC_IRQChannel = TIM4_IRQn;
// NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
// NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
// NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
// NVIC_Init(&NVIC_InitStructure);
//}
////<2F><><EFBFBD><EFBFBD>TIM4<4D>Ŀ<EFBFBD><C4BF><EFBFBD>
////sta:0<><30><EFBFBD>ر<EFBFBD>;1,<2C><><EFBFBD><EFBFBD>;
//void TIM4_Set(unsigned char sta)
//{
// if(sta)
// {
//
// TIM_SetCounter(TIM4,0);//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// TIM_Cmd(TIM4, ENABLE); //ʹ<><CAB9>TIMx
// }else TIM_Cmd(TIM4, DISABLE);//<2F>رն<D8B1>ʱ<EFBFBD><CAB1>2
//}
///**
// * @brief This function handles TIM4 global interrupt request.
// * @param None
// * @retval None
// */
//void TIM4_IRQHandler(void)
//{
// if (TIM_GetITStatus(TIM4, TIM_IT_Update) != RESET)
// {
// USART_SDI_RX_STA|=1<<15; //<2F><><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>;
// TIM_ClearITPendingBit(TIM4, TIM_IT_Update);
// TIM4_Set(0); //<2F>ر<EFBFBD>TIM4
//
// }
//}
//<2F><><EFBFBD><EFBFBD>3,printf <20><><EFBFBD><EFBFBD>
//ȷ<><C8B7>һ<EFBFBD>η<EFBFBD><CEB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݲ<EFBFBD><DDB2><EFBFBD><EFBFBD><EFBFBD>USART1_MAX_SEND_LEN<45>ֽ<EFBFBD>