请大佬帮忙解决感觉逻辑没有问题就是不成功-十一和一百一十的回答

请大佬帮忙解决感觉逻辑没有问题就是不成功

2019-07-21 01:41发布

想要实现串口助手发送数据通过RS485来传输数据控制led的亮灭
同时按键按下的数值能够通过RS485来显示在串口助手上

main.c

/* Includes ------------------------------------------------------------------*/
#include "stm32f10x.h"
#include "stm32f10x_conf.h"
#include <stdio.h>
#include "string.h"

#include "gpio.h"
#include "delay.h"
#include "USART.h"

#define S1_DOWN GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_5) == 1
#define S1_UP GPIO_ReadInputDataBit(GPIOC,GPIO_Pin_5) == 0
#define LED1_ON GPIO_ResetBits(GPIOC,GPIO_Pin_13)
#define LED1_OFF GPIO_SetBits(GPIOC,GPIO_Pin_13)
#define LED2_ON GPIO_ResetBits(GPIOC,GPIO_Pin_14)
#define LED2_OFF GPIO_SetBits(GPIOC,GPIO_Pin_14)
#define LED3_ON GPIO_ResetBits(GPIOC,GPIO_Pin_15)
#define LED3_OFF GPIO_SetBits(GPIOC,GPIO_Pin_15)
#define LED4_ON GPIO_ResetBits(GPIOA,GPIO_Pin_4)
#define LED4_OFF GPIO_SetBits(GPIOA,GPIO_Pin_4)
#define LED5_ON GPIO_ResetBits(GPIOA,GPIO_Pin_5)
#define LED5_OFF GPIO_SetBits(GPIOA,GPIO_Pin_5)
#define LED6_ON GPIO_ResetBits(GPIOA,GPIO_Pin_6)
#define LED6_OFF GPIO_SetBits(GPIOA,GPIO_Pin_6)
#define LED7_ON GPIO_ResetBits(GPIOC,GPIO_Pin_6)
#define LED7_OFF GPIO_SetBits(GPIOC,GPIO_Pin_6)
#define LED8_ON GPIO_ResetBits(GPIOC,GPIO_Pin_7)
#define LED8_OFF GPIO_SetBits(GPIOC,GPIO_Pin_7)
//u8 ge;
//u8 shi;

#define USART_REC_LEN    200    //¶¨òå×î′ó½óêÕ×Ö½úêy 200
#define USART_REC_LEN2    200    //¶¨òå×î′ó½óêÕ×Ö½úêy 200
#define EN_USART1_RX 1 //ê1Äü￡¨1￡©/½ûÖ1￡¨0￡©′®¿ú1½óêÕ

u8  USART_RX_BUF[USART_REC_LEN]; //½óêÕ»o3å,×î′óUSART_REC_LEN¸ö×Ö½ú.Ä©×Ö½úÎa»»DD·û
u16 USART_RX_STA; //½óêÕ×′ì¬±ê¼Ç

u8  USART_RX_BUF2[USART_REC_LEN2]; //½óêÕ»o3å,×î′óUSART_REC_LEN¸ö×Ö½ú.Ä©×Ö½úÎa»»DD·û
u16 USART_RX_STA2;          //½óêÕ×′ì¬±ê¼Ç
#define RS485CTR_CLR    GPIO_ResetBits(GPIOE, GPIO_Pin_15) //CTRÖÃμí0½óêÕ
#define RS485CTR_SET    GPIO_SetBits(GPIOE, GPIO_Pin_15)    //CTRÖÃ¸ß1·￠Ëí
void HEXtoLcd(u8 s)
{
u8 temp;
int i;
temp=s;
for(i=1; i<=8; i++)
{
if (temp%2 ==0 )
{
switch(i)
{
case 1: LED1_ON; break;
case 2: LED2_ON; break;
case 3: LED3_ON; break;
case 4: LED4_ON; break;
case 5: LED5_ON; break;
case 6: LED6_ON; break;
case 7: LED7_ON; break;
case 8: LED8_ON; break;
}
}
else
{
switch(i)
{
case 1: LED1_OFF; break;
case 2: LED2_OFF; break;
case 3: LED3_OFF; break;
case 4: LED4_OFF; break;
case 5: LED5_OFF; break;
case 6: LED6_OFF; break;
case 7: LED7_OFF; break;
case 8: LED8_OFF; break;
}
}
temp = temp / 2;
}
}

int main(void)
{
//unsigned char i;
GPIO_Config();
GPIO_Key_Config();
USART1_Config();
USART3_Config();
RS485CTR_CLR;//CTRÖÃμí0½óêÕ
  while (1)
{
//for(i=0;i<100;i++)
// {
// RS485CTR_SET; //·￠Ëí×′ì¬￡¬CTRÎa¸ß
// USART_SendData(USART3,255-i); //½«¼üÖμ·￠Ëíμ½′ó»ú
//    while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET); //μè′y·￠Ëííê3é
// delay_ms(200);
unsigned char cnt=0;
if (S1_DOWN)
{
delayms(10);
if (S1_DOWN)
{
while(S1_DOWN)
{
delayms(10);
}
RS485CTR_SET;
cnt++;

USART_SendData(USART3,cnt);
while(USART_GetFlagStatus(USART3, USART_FLAG_TXE) == RESET);//μè′y·￠Ëííê3é

RS485CTR_CLR;
delayms(10);
}
//HEXtoLcd(USART_RX_BUF[USART_RX_STA-1]);
}
HEXtoLcd(USART_RX_BUF[USART_RX_STA-1]);
// shi=cnt/10+0x30;
// ge=cnt%10+0x30;
//    // Lcd_Clear(GRAY0);
//    Gui_DrawFont_GBK16(31,23,RED,GRAY0,&ge);
//    Gui_DrawFont_GBK16(1,23,RED,GRAY0,&shi);
//
}
}

串口3的中断函数
void USART3_IRQHandler(void)             //′®¿ú3ÖD¶Ï·tÎñ3ìDò
{
u8 Res;

if(USART_GetITStatus(USART3, USART_IT_RXNE) != RESET)  //½óêÕÖD¶Ï(½óêÕμ½μÄêy¾Y±ØDëêÇ0x0d 0x0a½áÎ2)
{

Res =USART_ReceiveData(USART3); //¶áè¡½óêÕμ½μÄêy¾Y
if((USART_RX_STA&0x8000)==0)//½óêÕÎ′íê3é
{
if(USART_RX_STA&0x4000)//½óêÕμ½áË0x0d
{
if(Res!=0x0a)USART_RX_STA=0;//½óêÕ′íÎó,ÖØDÂ¿aê¼
else USART_RX_STA|=0x8000; //½óêÕíê3éáË
}
else //»1Ã»êÕμ½0X0D
{
if(Res==0x0d)USART_RX_STA|=0x4000;
else
{
USART_RX_BUF[USART_RX_STA&0X3FFF]=Res ;
USART_RX_STA++;
if(USART_RX_STA>(USART_REC_LEN-1))
USART_RX_STA=0;//½óêÕêy¾Y′íÎó,ÖØDÂ¿aê¼½óêÕ
}
}
}
   }

}

数据初始化函数
#include "stm32f10x.h"
#include "USART.h"

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]); //·￠Ëíò»¸ö×Ö½úêy¾Y
while(USART_GetFlagStatus(USARTx, USART_FLAG_TC)==RESET);//ÅD¶ÏêÇ·ñ·￠Ëííê±Ï￡¬RESET¶¨òåÎa0
}
}

void USART1_Config(void){

GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_USART1,ENABLE);  //¿aÆôA¶Ë¿úê¼ê±Öó

//USART1_TX GPIOA.9
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; //PA.9
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸′óÃíÆíìêä3ö
  GPIO_Init(GPIOA, &GPIO_InitStructure);//3õê¼»ˉGPIOA.9

  //USART1_RX    GPIOA.103õê¼»ˉ
  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//PA10
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;//¸¡¿Õêäèë
  GPIO_Init(GPIOA, &GPIO_InitStructure);//3õê¼»ˉGPIOA.10

  //Usart1 NVIC ÅäÖÃ
  NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//ÇàÕ¼óÅÏè¼¶0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; //×óóÅÏè¼¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μàê1Äü
NVIC_Init(&NVIC_InitStructure); //¸ù¾YÖ¸¶¨μÄ2Îêy3õê¼»ˉVIC¼Ä′æÆ÷

//USART 3õê¼»ˉéèÖÃ

USART_InitStructure.USART_BaudRate = 9600;//′®¿ú2¨ìØÂê
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//×Ö3¤Îa8Î»êy¾Y¸ñê½
USART_InitStructure.USART_StopBits = USART_StopBits_1;//ò»¸öí￡Ö1Î»
USART_InitStructure.USART_Parity = USART_Parity_No;//ÎTÆæÅ¼D￡ÑéÎ»
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎTó2¼têy¾Yá÷¿ØÖÆ
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //êÕ·￠Ä￡ê½

  USART_Init(USART1, &USART_InitStructure); //3õê¼»ˉ′®¿ú1
  USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);//¿aÆô′®¿ú½óêÕÖD¶Ï
  USART_Cmd(USART1, ENABLE);                   //ê1Äü′®¿ú1
USART_ClearFlag(USART1,USART_FLAG_TC);

}

void USART3_Config(void){

GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB1Periph_USART3,ENABLE);  //¿aÆôA¶Ë¿úê¼ê±Öó ′®¿ú3ê±Öó

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;          //USART3 TX
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸′óÃíÆíìêä3ö
  GPIO_Init(GPIOB, &GPIO_InitStructure);       //B¶Ë¿ú

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;          //USART3 RX
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //¸′óÃ¿aÂ©êäèë
  GPIO_Init(GPIOB, &GPIO_InitStructure);          //B¶Ë¿ú

  //Usart1 NVIC ÅäÖÃ
  NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0 ;//ÇàÕ¼óÅÏè¼¶0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1; //×óóÅÏè¼¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQí¨μàê1Äü
NVIC_Init(&NVIC_InitStructure); //¸ù¾YÖ¸¶¨μÄ2Îêy3õê¼»ˉVIC¼Ä′æÆ÷

//USART 3õê¼»ˉéèÖÃ

USART_InitStructure.USART_BaudRate = 9600;//′®¿ú2¨ìØÂê
USART_InitStructure.USART_WordLength = USART_WordLength_8b;//×Ö3¤Îa8Î»êy¾Y¸ñê½
USART_InitStructure.USART_StopBits = USART_StopBits_1;//ò»¸öí￡Ö1Î»
USART_InitStructure.USART_Parity = USART_Parity_No;//ÎTÆæÅ¼D￡ÑéÎ»
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;//ÎTó2¼têy¾Yá÷¿ØÖÆ
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx; //êÕ·￠Ä￡ê½

USART_Init(USART3, &USART_InitStructure);
USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);//¿aÆô′®¿ú½óêÕÖD¶Ï
USART_Cmd(USART3, ENABLE);
USART_ClearFlag(USART3,USART_FLAG_TC);
}

#include "stm32f10x.h"
#include "gpio.h"

void GPIO_Config(void){

GPIO_InitTypeDef GPIO_InitStructure;

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOE,ENABLE);  //¿aÆôE¶Ë¿úê¼ê±Öó
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);  //¿aÆôA¶Ë¿úê¼ê±Öó

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;          // PE15 //CS 485
GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //¸′óÃíÆíìêä3ö
  GPIO_Init(GPIOE, &GPIO_InitStructure);       //E¶Ë¿ú

  GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;          // TX  PA2
GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //¸′óÃíÆíìêä3ö
  GPIO_Init(GPIOA, &GPIO_InitStructure);       //A¶Ë¿ú

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;          // RX  PA3
GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //¸¡¿Õêäèë
  GPIO_Init(GPIOA, &GPIO_InitStructure);       //A¶Ë¿ú

RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOA, ENABLE); //ledμÆgpio3õê¼»ˉ
  GPIO_InitStructure.GPIO_Pin =GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15|GPIO_Pin_6|GPIO_Pin_7;
  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //íÆíìêä3ö
  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; // GPIO_Speed_50MHz;
  GPIO_Init(GPIOC, &GPIO_InitStructure);

GPIO_InitStructure.GPIO_Pin =GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_4;
  GPIO_Init(GPIOA, &GPIO_InitStructure);

}

void GPIO_Key_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC,ENABLE);

GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
     GPIO_InitStructure.GPIO_Speed =GPIO_Speed_50MHz;

GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(GPIOC,&GPIO_InitStructure);

}

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十一和一百一十

2019-07-21 04:07

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