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標題: 上位機與NRF24L01發送，在中斷中加入輸入程序，運行幾秒就會失效的原因 [打印本頁]

作者: pet 時間: 2021-5-7 18:14
標題: 上位機與NRF24L01發送，在中斷中加入輸入程序，運行幾秒就會失效的原因
#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');
}                                                          */

作者: pet 時間: 2021-5-7 18:15
寫入中斷以后程序運行幾秒就失效，不寫實現不了上位機，各位請幫幫忙

作者: 人人學會單片機 時間: 2021-5-7 21:02
去這里下載NRF24L01的代碼 https://pan.baidu.com/s/1HKoHDJSc9sxFTQvllo825g
提取碼：1234

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