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#define SPEED 72//語速（在12MHz時設置為70最佳，值越小語速越快）
#define X2 2 //音頻播放倍速（默認值2，增加/減少時音頻速度整倍加/減）
#define A_DA 1600 //音頻數據字節(jié)的數量，即音頻文件的行數。最大值不得大于65535 我的音頻是1600
//（如果有較長的音頻需要播放可以分段處理，每段字節(jié)數不大于65535）//
#define DL_F 1 //音頻播放前的延時（單位：mS）。最大值不得大于65535
#define DL_A 1 //音頻播放后的延時（單位：mS）。最大值不得大于65535
/*********************************************************************************************/
#include<STC12C5A60S2.H> //頭文件
sbit PWM = P1 ^ 3;//音頻輸出接口（只適用PWM接口）
sbit LED = P3 ^ 6;//狀態(tài)指示LED燈正極
sbit LEDG = P3 ^ 7;//狀態(tài)指示LED燈負極
unsigned char code wav1[];//音頻數據表聲明
unsigned char code wav2[];
unsigned char code wav3[];
unsigned char code wav4[];
unsigned char code wav5[];
unsigned char code wav6[];
unsigned char code wav7[];
unsigned char code wav8[];
unsigned char code wav9[];
unsigned char code wav10[];
unsigned char code wav11[];
unsigned char code wav12[];
unsigned char code wav13[];
unsigned char code wav14[];
unsigned char code wav15[];
unsigned char code wav16[];
unsigned char code wav17[];
unsigned char code wav18[];
unsigned char code wav19[];
unsigned char code wav20[];
unsigned char code wav21[];
unsigned char code wav22[];
unsigned char code wav23[];
unsigned char code wav24[];
unsigned char code wav25[];
unsigned char code wav26[];
unsigned char code wav27[];
unsigned char code wav28[];
unsigned char code wav29[];
unsigned char code wav30[];
unsigned char code wav31[];
unsigned char code wav32[];
unsigned char code wav33[];
unsigned char code wav34[];
unsigned char code wav35[];
unsigned char code wav36[];
sbit TUI1 = P2 ^ 1 ;
sbit TUI2 = P2 ^ 2 ;
sbit TUI3 = P0 ^ 0 ;
sbit KEY1 = P2 ^ 3 ;
sbit KEY2 = P2 ^ 4 ;
sbit KEY3 = P2 ^ 5 ;
sbit KEY4 = P2 ^ 6 ;
sbit KEY5 = P2 ^ 7 ;
sbit KEY6 = P0 ^ 7 ;
sbit KEY7 = P0 ^ 6 ;
sbit KEY8 = P0 ^ 5 ;
sbit KEY9 = P0 ^ 4 ;
sbit KEY10 = P0 ^ 3 ;
sbit KEY11 = P0 ^ 2 ;
sbit KEY12 = P0 ^ 1 ;
unsigned char xiang ;
/***********************************************************************/
void DELAY_MS (unsigned int a){//毫秒級CPU延時函數
unsigned int i;
while( --a != 0){
for(i = 0; i < 600; i++);
}
}
/*********************************************************************************************/
void DELAY_NS (unsigned char a){//用于音頻延時
unsigned int i;
while( --a != 0){
for(i = 0; i < SPEED; i++);
}
}
/**********************************************************************************************/
void PWM_init (void){//PWM初始化函數
CMOD=0x02; //設置PCA定時器
CL=0x00;
CH=0x00;
CCAPM0=0x42; //PWM0設置PCA工作方式為PWM方式（0100 0010）
CCAP0L=0x00; //設置PWM0初始值與CCAP0H相同
CCAP0H=0x00; // PWM0初始時為0
CR=1; //啟動PCA定時器
}
/**********************************************************************************************/
void PWM0_set (unsigned char a){//PWM0占空比設置函數
CCAP0L= a; //設置值直接寫入CCAP0L
CCAP0H= a; //設置值直接寫入CCAP0H
}
/**********************************************************************************************/
void SP1 (void){//音頻播放函數
unsigned int a;
LEDG = 0;//LED燈開
DELAY_MS (DL_F);//播放前延時
for(a=0;a<A_DA;a++){ //音頻播放數據長度
DELAY_NS (X2);//播放數據間隔，即可調整音頻速度和音調
if(xiang == 1) {
PWM0_set(wav1[a]);}
if(xiang == 2) {
PWM0_set(wav2[a]);}
if(xiang == 3) {
PWM0_set(wav3[a]);}
if(xiang == 4) {
PWM0_set(wav4[a]);}
if(xiang == 5) {
PWM0_set(wav5[a]);}
if(xiang == 6) {
PWM0_set(wav6[a]);}
if(xiang == 7) {
PWM0_set(wav7[a]);}
if(xiang == 8) {
PWM0_set(wav8[a]);}
if(xiang == 9) {
PWM0_set(wav9[a]);}
if(xiang ==10) {
PWM0_set(wav10[a]);}
if(xiang ==11) {
PWM0_set(wav11[a]);}
if(xiang ==12) {
PWM0_set(wav12[a]);}
if(xiang ==13) {
PWM0_set(wav13[a]);}
if(xiang ==14) {
PWM0_set(wav14[a]);}
if(xiang ==15) {
PWM0_set(wav15[a]);}
if(xiang ==16) {
PWM0_set(wav16[a]);}
if(xiang ==17) {
PWM0_set(wav17[a]);}
if(xiang ==18) {
PWM0_set(wav18[a]);}
if(xiang ==19) {
PWM0_set(wav19[a]);}
if(xiang ==20) {
PWM0_set(wav20[a]);}
if(xiang ==21) {
PWM0_set(wav21[a]);}
if(xiang ==22) {
PWM0_set(wav22[a]);}
if(xiang ==23) {
PWM0_set(wav23[a]);}
if(xiang ==24) {
PWM0_set(wav24[a]);}
if(xiang ==25) {
PWM0_set(wav25[a]);}
if(xiang ==26) {
PWM0_set(wav26[a]);}
if(xiang ==27) {
PWM0_set(wav27[a]);}
if(xiang ==28) {
PWM0_set(wav28[a]);}
if(xiang ==29) {
PWM0_set(wav29[a]);}
if(xiang ==30) {
PWM0_set(wav30[a]);}
if(xiang ==31) {
PWM0_set(wav31[a]);}
if(xiang ==32) {
PWM0_set(wav32[a]);}
if(xiang ==33) {
PWM0_set(wav33[a]);}
if(xiang ==34) {
PWM0_set(wav34[a]);}
if(xiang ==35) {
PWM0_set(wav35[a]);}
if(xiang ==36) {
PWM0_set(wav36[a]);}
}
xiang = 0;
DELAY_MS (DL_A);//播放后延時
LEDG=1;//LED燈關
PWM0_set(0); //設置PWM占空比
PWM = 0;//PWM關閉前清0
}
/**********************************************************************************************/
void main (void){//主函數
P0M1 = 0xFE;// (11111110)*P0.0(低音)P2.2（中音）P2.1（高音）強推
P0M0 = 0x01;// (00000001)*P2.3 P2.4 P2.5 P2.6 P2.7 P0.7
P2M1 = 0xF8;// (11111000)*P0.6 P0.5 P0.4 P0.3 P0.2 P0.1 高阻
P2M0 = 0x06;// (00000110)
PWM0_set(128);//設置PWM到中間值，即音頻波形的基礎電平。
CR=1; //啟動PCA定時器
P3M0 = 0xFF;//狀態(tài)指示LED接口強推設置
PWM = 0;//PWM啟動前準備
PWM_init(); //PWM初始化
while(1){
TUI1 = 1;
if(KEY1||KEY2||KEY3||KEY4||KEY5||KEY6||KEY7||KEY8||KEY9||KEY10||KEY11||KEY12 == 1){
DELAY_MS (20);
if(KEY1 == 1){xiang = 1 ;SP1();while(KEY1 == 1);}
if(KEY2 == 1){xiang = 2 ;SP1();while(KEY2 == 1);}
if(KEY3 == 1){xiang = 3 ;SP1();while(KEY3 == 1);}
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