基于51單片機和QJ00M02的錄音筆程序+電路設計

ID:414340 · 發表于 2019-1-2 21:21

Altium Designer畫的QJ00M02錄音筆原理圖如下：(51hei附件中可下載工程文件)

部分主程序：
#include "reg52.h"
#include "stdio.h"
#include "string.h"

#define uchar unsigned char
#define uint unsigned int

uchar count_chaxun; //需定義在一下幾個頭文件前

#include "sbit.h"
#include "lcd.h"
#include "uart.h"
#include "mp3.h"
#include "key.h"

void display()                //顯示函數
{
      switch (zhuangtai)
            {

               case 1:write_string(0x80,"    PLAY    ");       break;
               case 2:write_string(0x80,"    STOP    ");       break;
               case 3:write_string(0x80,"    PAUSE    ");       break;
               case 4:write_string(0x80,"    RECORD");       break;
            }
         write_1602com(0xc0);
               write_1602dat(dangqianqumu/100+0x30);
      write_1602dat(dangqianqumu%100/10+0x30);
      write_1602dat(dangqianqumu%10+0x30);
               write_1602dat('/');
            write_1602com(0xc4);
            write_1602dat(zongqumu/100+0x30);
            write_1602dat(zongqumu%100/10+0x30);
            write_1602dat(zongqumu%10+0x30);
            write_1602com(0xc8);
            write_1602dat('V');
            write_1602dat(':');
            write_1602dat(yinliang/10+0x30);
            write_1602dat(yinliang%10+0x30);
            write_string(0," M:");
            write_1602dat(moshi+0x30);
}
void main()
{
Uart_init();       //定時器、串口初始化
lcd_init();             //LCD1602初始化
      delay(1000);
      write_1602com(0x01);
write_1602com(0xcf);
write_1602dat(moshi+0x30);
      shezhiyinliang(10);          //設置音量
      delay(100);
chaxunyinliang();          //查詢音量
      delay(100);
      chaxunzongmu();          //查詢音樂\錄音文件總數
      delay(100);
      while(1)
      {

            keyscan();             //鍵掃描
            display();
            if(count_chaxun==25)
            {
            count_chaxun=0;
            TR0=0;                         //關閉定時器0
            chaxundangmu();          //查詢當前曲目
            delay(100);
            count_chaxun=0;
            chaxun();                //查詢當前播放狀態
         TR0=1;                         //啟動定時器0
            }


      }

}
void timer0() interrupt 1
{
      TH0=0x4c;
      TL0=0x00;             //T0賦初值40ms
      count_chaxun++;
      if(count_chaxun>25)

      count_chaxun=25 ;
}

全部資料51hei下載地址：

程序.rar (50.89 KB, 下載次數: 54)

DXP原理圖.rar (578.27 KB, 下載次數: 52)