基于STC15W204S单片机控制TPA3110D2+LM4811实现音频功放板protel硬件（原理图+PCB）文件.zip

#include<ir.h> /* typedef enum{ IR_idle, IR_waitstart, IR_getaddr, IR_getaddrinv, IR_getdata, IR_getdatainv }_IRstate; _IRstate IRstate = IR_idle; unsigned char IRaddr=0xff; unsigned char _IRaddr=0xff; unsigned char IRdata=0xff; unsigned char _IRdata=0xff; unsigned char IR_repeat=0; unsigned char IR_ready=0; */ unsigned char uup=0; //有连续按键时用 unsigned char IRtimer; unsigned char phonejack; //有没有音频线状态 unsigned char MUTEstate = 0; //MUTE状态 /* void IRint() interrupt 0 { static unsigned char bits; unsigned short time; FLAG_Timer = 0; switch(IRstate) { case IR_idle: LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; IRstate=IR_waitstart; IRtimer = 26; break; case IR_waitstart: EN_Timer=0; time=HBYTE_Timer; time =(time <<8)+LBYTE_Timer;; LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; if ((time > msec_12p5)&&(time < msec_15)) // greater than 12.5Msec & less than 15 msec = start code { IRaddr=0; _IRaddr=0; IRdata=0; _IRdata=0; bits=1; IRstate=IR_getaddr; } else if ((time > msec_9)&&(time < msec_12p5))// less than 12.5Msec and greater than 9 msec =Repeat code { IR_repeat=1; IRstate=IR_idle; } else { // to short, bad data just go to idle IRstate=IR_idle; } break; case IR_getaddr: // P2_4=!P2_4; EN_Timer=0; time=HBYTE_Timer; time =(time <<8)+LBYTE_Timer;; LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; if ((time>msec_2p5)||(time<msec_0p9))// if > 2.5msec or shorter than .9Msec bad data , go to idle { IRstate=IR_idle; break; } if (time>msec_1p68)// greater than 1.68Msec is a 1 { IRaddr|= bits; } bits=bits<<1; if (!bits) { IRstate=IR_getaddrinv; bits=1; } break; case IR_getaddrinv: EN_Timer=0; time=HBYTE_Timer; time =(time <<8)+LBYTE_Timer;; LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; if ((time>msec_2p5)||(time<msec_0p9))// if > 2.5msec or shorter than .9Msec bad data , go to idle { IRstate=IR_idle; break; } if (time>msec_1p68)// greater than 1.68Msec is a 1 { _IRaddr|= bits; } bits=bits<<1; if (!bits) { IRstate=IR_getdata;; bits=1; } break; case IR_getdata: EN_Timer=0; time=HBYTE_Timer; time =(time <<8)+LBYTE_Timer;; LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; if ((time>msec_2p5)||(time<msec_0p9))// if > 2.5msec or shorter than .9Msec bad data , go to idle { IRstate=IR_idle; break; } if (time>msec_1p68)// greater than 1.68Msec is a 1 { IRdata|= bits; } bits=bits<<1; if (!bits) { IRstate=IR_getdatainv; bits=1; } break; case IR_getdatainv: EN_Timer=0; time=HBYTE_Timer; time =(time <<8)+LBYTE_Timer;; LBYTE_Timer=0; HBYTE_Timer=0; EN_Timer=1; if ((time>msec_2p5)||(time<msec_0p9)) // if > 2.5msec or shorter than .9Msec bad data , go to idle { IRstate=IR_idle; break; } if (time>msec_1p68)// greater than 1.68Msec is a 1 { _IRdata|= bits; } bits=bits<<1; if (!bits) // we have it all , now we make sure it is a NEC code from the CHS IR transmitter { // make sure address,~address are correct , data ,~data are correct and address is 0. if(IRdata^_IRdata){IR_ready=1;}else{IR_ready=0;} //如果后面两个数据互补,则表示接收正确 // IR_ready=((IRaddr^_IRaddr)==0xff)&&((IRdata^_IRdata)==0xff)&&(IRaddr==0); //检查客户码是不是0x00ff if(IR_ready) { IRstate=IR_idle; } } break; default: IRstate=IR_idle; break; } } */ /* void IR_init(void) //红外用T0 { EA = 0; IRstate = IR_idle; AUXR &= 0x7F; //定时器时钟12T模式 TMOD &= 0xF0; //设置定时器模式 TMOD |= 0x01; //设置定时器模式 IT0 = 1; //下降沿中断 EX0 = 1; //使能INT0中断 EA = 1; // } */ void Volume_add(void) { UINT8 iadd = 5; UPDOWN = 1; while(--iadd) Delay1ms(); CLOCK = 0; iadd = 5; while(--iadd) Delay1ms(); CLOCK = 1; } void Volume_sub(void) { UINT8 isub = 5; UPDOWN = 0; while(--isub) Delay1ms(); CLOCK = 0; isub = 5; while(--isub) Delay1ms(); CLOCK = 1; } void Scan_key(void) { UINT16 loop; if(KEY_SUB == 0) {LED = 1; loop = 10; while((KEY_SUB == 0) && (loop >0)) {--loop;Delay1ms();} if(KEY_SUB == 0) { Volume_sub(); u_sstr("-1\n\r"); flash_LED(20);; loop = 1500; while((KEY_SUB == 0) && (loop >0)) {--loop;Delay1ms();} } while(KEY_SUB == 0) { Volume_sub(); u_sstr("-1\n\r"); flash_LED(20);; loop = 200; while((KEY_SUB == 0) && (loop >0)) {--loop;Delay1ms();} } } if(KEY_ADD == 0) {LED = 1; loop = 10; while((KEY_ADD == 0) && (loop >0)) {--loop;Delay1ms();} if(KEY_ADD == 0) { Volume_add(); u_sstr("+1\n\r"); flash_LED(20); loop = 1500; while((KEY_ADD == 0) && (loop >0)) {--loop;Delay1ms();} } while(KEY_ADD == 0) { Volume_add(); u_sstr("+1\n\r"); flash_LED(20); loop = 200; while((KEY_ADD == 0) && (loop >0)) {--loop;Delay1ms();} } } if(KEY_MUTE == 0) { LED = 1; loop = 10; while((KEY_MUTE == 0) && (loop >0)) {--loop;Delay1ms();} if(MUTEstate == 1) { MUTEstate = 0; // MUTE = 0; // u_sstr("MUTE\n\r"); } else { MUTEstate = 1; // MUTE = 1; // u_sstr("CLOSE MUTE\n\r"); } flash_LED(20); while(KEY_MUTE==0) { loop = 10; while(loop >0) {--loop;Delay1ms();} } } if(CHECK == 0) //没有音频线插入 { MUTE = 1; phonejack = 0; //没有音频线 } else //有耳机 { if(phonejack == 0) { flash_LED(20); } phonejack = 1; if(MUTEstate == 1) { MUTE = 1; } else { MUTE = 0; } } } /* void IR_key(void) { UINT8 lop = 100; if(IR_ready) //有按键 { IR_ready=0; IR_repeat=0; if( IRdata == 0x44) { LED = 0; Volume_sub(); while(--lop) {Delay1ms();} LED = 1; } // u_schar(IRaddr);//先发用户码 // u_schar(IRdata);//数据码 if( IRdata == 0x06) { LED = 0; Volume_add(); while(--lop) {Delay1ms();} LED = 1; } uup=0; IR_ready=0; IR_repeat=0; return; } if(CHECK == 0) //