上位机与NRF24L01发送，在中断中加入输入程序，运行几秒就会失效的原因

ID:763482 · 发表于 2021-5-7 18:14

#include "reg52.h"
#include "main.h"
#include "nRF24L01.h"
#include "distance_measure.h"
#include "uart.h"
uint num=0;

code char lcd_line0[]="LOCX:          ";
code char lcd_line1[]="LOCY:          ";
//STC89ÏμáDμ￥Æ¬»úÑóê±1ms
void delay_ms(unsigned int x)
{
      char j=0;
      while(x--)
            for(j=0;j<125;j++)
                     ;
}

//Ö÷3ìDò
void main()
{
      delay_ms(200);
      SetTX_Mode();                //·￠Ëí
      uart_init();
      delay_ms(200);
      while(1)
      {
            num=get_distance();
            uart_send_JW(num);
               TxBuf[31] = '0' + num;
               TxBuf[30] = flag_jj;
   flag_jj=0;
            nRF24L01_TxPacket(TxBuf);

      }
}
#include "uart.h"
char flag_u = 0;
int temp = 0;
char flag_jj = 0;

//¾§Õñ11.0592MHz
void uart_init()
{
      SCON = 0X50;
      REN  = 1;
      PCON = 0x00;
TMOD &= 0x0F;
      TMOD |= 0x20;
      TH1  = 0xFD;
      TL1  = 0xFD;
      TR1  = 1;
      EA = 1;
      ES = 1;
}

void RECEIVE_DATA(void) interrupt 4 using 3
{
      temp = SBUF;
      if(temp=='1')
      {
               flag_jj='1';
  }
      else if (temp=='2')
      {
               flag_jj='2';
      }
      RI = 0;
      flag_u=1;
}

void uart_send_char (unsigned char chr)
{
      ES = 0;
      SBUF= chr;
      while(!TI);
      TI=0;
      ES = 1;
      flag_u=0;
}
void uart_send_JJ(long num_1)
{
      uart_send_char('J');
      uart_send_char('J');
      uart_send_char('=');
      uart_send_char('0'+((long)num_1/10)%10);
      uart_send_char('0'+((long)num_1/1)%10);
      uart_send_char(' ');
}
void uart_send_QQ(long num_2)
{
      uart_send_char('Q');
      uart_send_char('Q');
      uart_send_char('=');
      uart_send_char('0'+((long)num_2/10)%10);
      uart_send_char('0'+((long)num_2/1)%10);
      uart_send_char(' ');
}
void uart_send_JW(long num_3)
{
      uart_send_char('Y');
      uart_send_char('W');
      uart_send_char('=');
      uart_send_char('0'+((long)num_3/100)%10);
      uart_send_char('0'+((long)num_3/10)%10);
      uart_send_char('0'+((long)num_3/1)%10);
      uart_send_char('\r');
      uart_send_char('\n');
}
/*void uart_send_long(long num)
{
      uart_send_char('Y');
      uart_send_char('W');
      uart_send_char('=');
//       uart_send_char('0'+((long)num/1000000)%10);
//       uart_send_char('0'+((long)num/100000)%10);
//       uart_send_char('0'+((long)num/10000)%10);
//       uart_send_char('0'+((long)num/1000)%10);
//       uart_send_char('0'+((long)num/100)%10);
      uart_send_char('0'+((long)num/10)%10);
      uart_send_char('0'+((long)num/1)%10);
//       uart_send_char('.');
      uart_send_char('\r');
      uart_send_char('\n');
}                                                          */

ID:763482 · 发表于 2021-5-7 18:15

写入中断以后程序运行几秒就失效，不写实现不了上位机，各位请帮帮忙

ID:390416 · 发表于 2021-5-7 21:02

去这里下载NRF24L01的代码 https://pan.baidu.com/s/1HKoHDJSc9sxFTQvllo825g
提取码：1234

帐号		自动登录	找回密码
密码			立即注册