這個功率放大電路哪個地方錯了？為啥不叫呢附單片機程序

ID:541231 · 發(fā)表于 2019-5-18 10:58

下面是對應的程序，我完全按照貼吧上面連接的電路圖。咋調都不叫，按鍵控制也沒有顯示，哪個大神說一下啊

馬上就要交了
#include<reg51.h>
#include <intrins.h>
#define uchar unsigned char
#define uint unsigned int
sbit E=P1^2; sbit RS=P1^0; sbit RW=P1^1; sbit key1=P1^3; sbit key2=P1^4; sbit key3=P1^5; sbit key4=P1^6; sbit key5=P1^7;
void lcd_init();
void write_comm(uchar);
void write_data(uchar);
void write_string(uchar,uchar,uchar *);
void lcd_delay();
void delay_ms(uint);

void delay_ms(uint i)
{
  uint j;
  while(i--)
  {
for(j=0; j<=74; j++)
_nop_();
  }
}
void lcd_init()
{
lcd_delay();
write_comm(0x38);
write_comm(0x08);
write_comm(0x01);
write_comm(0x06);
write_comm(0x0c);
write_comm(0x80);
write_comm(0x02);
}

void write_comm(uchar i)
{
RS=0;
RW=0;
P0=i;
lcd_delay();
E=0;
lcd_delay();
E=1;
}

void write_data(uchar i)
{
  RS=1;
  RW=0;
  P0=i;
  lcd_delay();
  E=0;
  lcd_delay();
  E=1;
}

void write_string(uchar row,uchar column,uchar *dis_buffer)
{
  switch(row)
  {
case 1:write_comm(0x80+column);break;
case 2:write_comm(0x80+0x40+column);break;
default:break;
}

  while(*dis_buffer!='\0')
  {
write_data(*dis_buffer);
dis_buffer++;
column++;

if(column==16)
{
   column=0; row++; if(row>=3)
   return;
}
else switch(row)
{
   case 1:write_comm(0x80);break;
   case 2:write_comm(0x80+0x40);break;
   default:break;
}
  }
}

void lcd_delay()
{
  uchar i;
  for(i=0;i<255;i++);
}

void main()
{
  lcd_init();
  //cntl1=1;cntl3=1; cntl2=0;cntl4=0;cntl5=1;cntl6=0;
  write_string(1,0,"Gain:");
  while(1)
  {
if(key1==0)
{
   delay_ms(15);
   if(key1==0)
   {
      while(!key1);
      P2=0x02;
      write_string(2,0,"0dB");
         }
      }
if(key2==0)
   {
   delay_ms(15);
   if(key2==0)
   {
   while(!key2);
   P2=0x08;
   write_string(2,0,"10dB");
   }
}

if(key3==0)
{
   delay_ms(15);
   if(key3==0)
   {
   while(!key3); P2=0x1A;
   write_string(2,0,"20dB");
   }
}
if(key4==0)
{
   delay_ms(15);
   if(key4==0)
   {
   while(!key4); P2=0x51;
   write_string(2,0,"30dB");
   }
}
if(key5==0)
{
   delay_ms(15);
   if(key5==0)
   {
   while(!key5);
   P2=0xff;
   write_string(2,0,"40dB");
   }
}
  }
}