單片機(jī)程序只能切換LED1和LED2的狀態(tài),不能同時亮或同時滅不知問題出在哪里?

ID:706724 · 發(fā)表于 2023-3-6 14:59

本例程是,STC官方的例程，學(xué)習(xí)過后，欲將其改造：通過按鍵改flag次數(shù)，然后將flag次數(shù)，寫進(jìn)EEPROM，再讀取出來，相對應(yīng)的LED狀態(tài)隨著flag的改變而改變。現(xiàn)在問題是:只能切換LED1和LED2的狀態(tài)，不能同時亮或同時滅。不知問題出在哪里？請高手們不吝指導(dǎo)一下！謝謝！

#include "STC8G.h"
#include "intrins.h"

#define FOSC       11059200UL
#define BRT       (65536 - FOSC / 115200 / 4)

#define uchar unsigned char
#define uint unsigned int
//sfr    P0M1 = 0x93;
//sfr    P0M0 = 0x94;
//sfr    P1M1 = 0x91;
//sfr    P1M0 = 0x92;
//sfr    P2M1 = 0x95;
//sfr    P2M0 = 0x96;
//sfr    P3M1 = 0xb1;
//sfr    P3M0 = 0xb2;
//sfr    P4M1 = 0xb3;
//sfr    P4M0 = 0xb4;
//sfr    P5M1 = 0xc9;
//sfr    P5M0 = 0xca;

//sfr    AUXR = 0x8e;
//sfr    T2H    = 0xd6;
//sfr    T2L    = 0xd7;

//sfr    IAP_DATA = 0xC2;
//sfr    IAP_ADDRH = 0xC3;
//sfr    IAP_ADDRL = 0xC4;
//sfr    IAP_CMD    = 0xC5;
//sfr    IAP_TRIG = 0xC6;
//sfr    IAP_CONTR = 0xC7;
//sfr    IAP_TPS    = 0xF5;

//void UartInit()
//{
// SCON = 0x5a;
// T2L = BRT;
// T2H = BRT >> 8;
// AUXR = 0x15;
//}

//void UartSend(char dat)
//{
// while (!TI);
// TI = 0;
// SBUF = dat;
//}
sbit LED1=P5^4;
sbit LED2=P3^3;
sbit KEY=P3^2;
//       uchar V;
char flag=1;

void IapIdle()
{
         EA=0;                                        //禁止中斷
      IAP_CONTR = 0;                            //關(guān)閉IAP功能
      IAP_CMD = 0;                               //清除命令寄存器
      IAP_TRIG = 0;                            //清除觸發(fā)寄存器
      IAP_ADDRH = 0x80;                         //將地址設(shè)置到非IAP區(qū)域
      IAP_ADDRL = 0;
         EA=0;                                        //重啟中斷
}

char IapRead(int addr)
{
      char dat;
EA=0;
      IAP_CONTR = 0x80;                         //使能IAP
      IAP_TPS = 12;                            //設(shè)置等待參數(shù)12MHz
      IAP_CMD = 1;                               //設(shè)置IAP讀命令
      IAP_ADDRL = addr;                         //設(shè)置IAP低地址
      IAP_ADDRH = addr >> 8;                   //設(shè)置IAP高地址
      IAP_TRIG = 0x5a;                         //寫觸發(fā)命令(0x5a)
      IAP_TRIG = 0xa5;                         //寫觸發(fā)命令(0xa5)
      _nop_();
      dat = IAP_DATA;                            //讀IAP數(shù)據(jù)
      IapIdle();                               //關(guān)閉IAP功能
         EA=1;
      return dat;

}

void IapProgram(int addr, char dat)
{
         EA=0;
      IAP_CONTR = 0x80;                         //使能IAP
      IAP_TPS = 12;                            //設(shè)置等待參數(shù)12MHz
      IAP_CMD = 2;                               //設(shè)置IAP寫命令
      IAP_ADDRL = addr;                         //設(shè)置IAP低地址
      IAP_ADDRH = addr >> 8;                   //設(shè)置IAP高地址
      IAP_DATA = dat;                            //寫IAP數(shù)據(jù)
      IAP_TRIG = 0x5a;                         //寫觸發(fā)命令(0x5a)
      IAP_TRIG = 0xa5;                         //寫觸發(fā)命令(0xa5)
      _nop_();
      IapIdle();                               //關(guān)閉IAP功能
         EA=1;
}

void IapErase(int addr)
{
         EA=0;
      IAP_CONTR = 0x80;                         //使能IAP
      IAP_TPS = 12;                            //設(shè)置等待參數(shù)12MHz
      IAP_CMD = 3;                               //設(shè)置IAP擦除命令
      IAP_ADDRL = addr;                         //設(shè)置IAP低地址
      IAP_ADDRH = addr >> 8;                   //設(shè)置IAP高地址
      IAP_TRIG = 0x5a;                         //寫觸發(fā)命令(0x5a)
      IAP_TRIG = 0xa5;                         //寫觸發(fā)命令(0xa5)
      _nop_();                                  //
      IapIdle();                               //關(guān)閉IAP功能
         EA=1;
}

void main(void)
{
   uchar V;
      P0M0 = 0x00;
      P0M1 = 0x00;
      P1M0 = 0x00;
      P1M1 = 0x00;
      P2M0 = 0x00;
      P2M1 = 0x00;
      P3M0 = 0x00;
      P3M1 = 0x00;
      P4M0 = 0x00;
      P4M1 = 0x00;
      P5M0 = 0x00;
      P5M1 = 0x00;

// UartInit();
// IapErase(0x0400);
// UartSend(IapRead(0x0400));
//       P5=IapRead(0x0400);
// IapProgram(0x0400, 0x12);
// UartSend(IapRead(0x0400));
//P3=IapRead(0x0400);
               IT0 = 0;
         EX0 = 1;
         EA = 1;

      V = IapRead(0x0400);          // 開機(jī)讀取EEPROM區(qū)數(shù)據(jù),還原關(guān)電前LED的亮滅狀況
         IapErase(0x0400);                //擦除

         while(1)

         {
                        IapProgram(0x0400, V);    //寫入
                        V= IapRead(0x0400);       //讀取



      for(V=flag;flag<=4;flag++)
         {
                  if(V==1)
                        {
                                 LED1=0;LED2=1;
                                 IapErase(0x0400);       // 擦除
                                 IapProgram(0x0400, 1);    //寫入
                                    }
                     if(V== 2)
                        {
                                             LED1=1; LED2=0;
                                             IapErase(0x0400);       // 擦除
                                             IapProgram(0x0400, 2);    //寫入
                                                }
                     if(V== 3)
                              {
                                       LED1=0; LED2=0;
                                       IapErase(0x0400);       // 擦除
                                       IapProgram(0x0400, 3);    //寫入
                                                         }
                  if(V== 4)
                           {
                              LED1=1; LED2=1;
                              IapErase(0x0400);       // 擦除
                              IapProgram(0x0400, 4); //寫入
                                                         }
}
                  }

                        }
//--------------中斷函數(shù)--------------

                        void int0_process() interrupt 0
{

         if (KEY==1)
      {

         if(flag<=4)flag++;
         else flag=1;
//                      _nop_();
//                      _nop_();
//                      _nop_();
//                      _nop_();


      }