立体声音频功率放大电路论文(8)

河北科技大学第二届电子设计大赛

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河北科技大学第二届电子设计大赛

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附3《单片机程序》

/******************************************************************************

***

名称：功放控制程序

功能：实现声道切换，音量加减，音源切换

*******************************************************************************

**/

#include<reg52.h> #include<intrins.h>

#define uchar unsigned char #define uint unsigned int

#define LCD_Data P0 //代表向LCD输入的数据 #define Busy 0x80 //用于检测LCD状态字中的Busy标识

sbit Vol_p = P1^0; sbit Vol_m = P1^1; sbit Key_track = P1^4;

sbit Relay_U = P1^2; sbit Relay_D = P1^3; sbit Relay1 sbit Relay2 sbit Relay3 sbit Relay4

sbit A sbit M sbit C

= P2^1; = P2^2; = P2^3; = P2^4; = P1^5; = P1^6; = P1^7;

sbit Enable1 = P3^0; sbit Enable2 = P3^1;

sbit LCD_RS = P2^7; sbit LCD_RW = P2^6; sbit LCD_E = P2^5;

uchar code table[]=" 12 3 4";

uchar code dis_num[]="0123456789";

uchar volume=0; uchar relay=0x01; uchar temprelay; uchar track=1;