微营销推广软件,seo网站,织梦 网站统计,广西住房和城乡建设部网站/*************************************************************音乐播放器#xff1a;按键 0 - 9 对应最多10首乐曲#xff0c;当一首乐曲播放完毕后#xff0c;响应按键的动作去播放相应的音乐#xff0c;另外#xff0c;右、下这两个按键对应着下一首#xff0c;左上…/*************************************************************音乐播放器按键 0 - 9 对应最多10首乐曲当一首乐曲播放完毕后响应按键的动作去播放相应的音乐另外右、下这两个按键对应着下一首左上这两个按键对应着上一首。作者宁静致远*************************************************************/#include#include#define RldTmr(fr) 65536 - (11059200 / 12) / ((fr) #define FuDian(n) ((n) typedef unsigned char uchar;typedef unsigned int uint;typedef unsigned long ulong;typedef struct music {char * pNote;char * pDur;} Music;sbit BUZZ P1^6;sbit KEY_OUT_3 P2^0;sbit KEY_OUT_2 P2^1;sbit KEY_OUT_1 P2^2;sbit KEY_OUT_0 P2^3;sbit KEY_IN_0 P2^4;sbit KEY_IN_1 P2^5;sbit KEY_IN_2 P2^6;sbit KEY_IN_3 P2^7;uint code noteFreq[] { //中音 1-7 和高音 1-7对应的频率列表 低音523, 587, 659, 698, 784, 880, 988,1047, 1175, 1319, 1397, 1568, 1760, 1976,//261, 293, 329, 349, 392, 440, 494};uint code tmrRld[] { //中音 1-7 和高音 1-7对应的定时器重载值RldTmr(523), RldTmr(587), RldTmr(659), RldTmr(698), RldTmr(784), RldTmr(880), RldTmr(988),RldTmr(1047), RldTmr(1175), RldTmr(1319), RldTmr(1397), RldTmr(1568), RldTmr(1760), RldTmr(1976),//RldTmr(261), RldTmr(293), RldTmr(329), RldTmr(349), RldTmr(392), RldTmr(440), RldTmr(494)};uchar code keyCodeMap[4][4] { //矩阵按键编号到标准键盘键码的映射表{0x31, 0x32, 0x33, 0x26}, //数字键1、数字键2、数字键3、向上键{0x34, 0x35, 0x36, 0x25}, //数字键4、数字键5、数字键6、向左键{0x37, 0x38, 0x39, 0x28}, //数字键7、数字键8、数字键9、向下键{0x30, 0x1B, 0x0D, 0x27} //数字键0、ESC键、 回车键、 向右键};uchar keyState[4][4] { //全部矩阵按键的当前状态{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}};bit enable 1, tmrFlg 0;uchar T0RH 0XFF, T0RL 0X00;uchar T1RH, T1RL;uchar musicIdx 0;uchar musicSpeed 72;uchar nowMusic 0;//bit enKey 1;uchar code twoTigerNote[] { //音名1, 2, 3, 1,1, 2, 3, 1,3, 4, 5,3, 4, 5,5, 6, 5, 4, 3, 1,5, 6, 5, 4, 3, 1,1, 5, 1,1, 5, 1,\0};uchar code twoTigerDuration[] { //音名对应的时值4表示4分音符8表示8分音符16表示16分音符4, 4, 4, 4,4, 4, 4, 4,4, 4, 2,4, 4, 2,FuDian(8), 16, FuDian(8), 16, 4, 4,FuDian(8), 16, FuDian(8), 16, 4, 4,4, 4, 2,4, 4, 2,\0};uchar code baheNote[] {5, 1, 2, 3, 4,5, 1, 1,6, 4, 5, 6, 7,8, 1, 1,4, 5, 4, 3, 2,3, 4, 3, 2, 1,7, 1, 2, 3, 1,3, 2,5, 1, 2, 3, 4,5, 1, 1,6, 4, 5, 6, 7,8, 1, 1,4, 5, 4, 3, 2,3, 4, 3, 2, 1,2, 3, 2, 1, 7,1,\0};uchar code baheDur[] {4, 8, 8, 8, 8,4, 4, 4,4, 8 ,8 ,8, 8,4, 4, 4,4, 8, 8, 8, 8,4, 8, 8, 8, 8,4, 8, 8, 8, 8,4, 2,4, 8, 8, 8, 8,4, 4, 4,4, 8 ,8 ,8, 8,4, 4, 4,4, 8, 8, 8, 8,4, 8, 8, 8, 8,4, 8, 8, 8, 8,4,\0};uchar musicLen[10];Music musicSet[] {{twoTigerNote, twoTigerDuration},{baheNote, baheDur},};uchar musicNum sizeof(musicSet) / sizeof(Music);void delay(uint n);void playMusic(uchar musicIdx, uchar speed); //固定标准为4分音符的速度例如speed 108 表示一分钟扫过108个4分音符void setTmr1(uint ms);void keyScan();void keyAction();void keyDriver();void initMusicInfo();void main() {initMusicInfo();EA 1;TMOD 0x01;TH0 T0RH;TL0 T0RL;ET0 1;PT0 1; //重要设置T0抢占优先级//TR0 1;setTmr1(10);TH1 T1RH;TL1 T1RL;ET1 1;TR0 1;TR1 1;while (1) {//TR0 1;playMusic(musicIdx, musicSpeed);delay(40000u);}}void initMusicInfo() {uchar i;for (i 0; imusicLen[i] strlen(musicSet[i].pNote);}}void delay(uint n) {//uint i;//TR1 1;while (n--) {keyDriver();}//TR1 0;}void playMusic(uchar musicIdx, uchar speed) {uchar i;uchar idx;uint cnt 0;uint durationCnt 0; //当前音符的时值对应的定时器计数uint soundCnt 0; //当前音符的发声时值对应的计数值char * musicNote musicSet[musicIdx].pNote;char * noteDuration musicSet[musicIdx].pDur;for (i 0; iwhile (!tmrFlg) ;tmrFlg 0;//keyDriver(); //递归实现音乐的嵌套if (cnt 0) {idx musicNote[i] - 1;T0RH tmrRld[idx] 8;T0RL tmrRld[idx];durationCnt (ulong)240 * (ulong)noteFreq[idx] / ((ulong)noteDuration[i] * (ulong)speed);soundCnt durationCnt - (durationCnt 2); //当前音符时值的前3/4发声后1/4静音enable 1;cnt;}else {if (cnt durationCnt) {cnt 0;i;}else {cnt;if (cnt soundCnt) {enable 0;}}}}}void interruptTmr0() interrupt 1 {TH0 T0RH;TL0 T0RL;tmrFlg 1;if (enable)BUZZ ~BUZZ;elseBUZZ 1;}void setTmr1(uint ms) {ulong tmp;tmp 11059326 / 12;tmp tmp * ms / 1000;tmp 65536 - tmp;tmp 28;T1RL tmp;T1RH tmp 8;}void interruptTmr1() interrupt 3 {TH1 T1RH;TL1 T1RL;//if (enKey)keyScan();}void keyScan() {static uchar i 0;static uchar keyBuf[4][4] {{0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF},{0xFF, 0xFF, 0xFF, 0xFF}, {0xFF, 0xFF, 0xFF, 0xFF}};uchar j;keyBuf[i][0] (keyBuf[i][0] keyBuf[i][1] (keyBuf[i][1] keyBuf[i][2] (keyBuf[i][2] keyBuf[i][3] (keyBuf[i][3] for (j0; j4; j) {if (keyBuf[i][j] 0x00)keyState[i][j] 0;else if (keyBuf[i][j] 0xFF)keyState[i][j] 1;}switch (i) {case 0: KEY_OUT_0 1; KEY_OUT_1 0; break;case 1: KEY_OUT_1 1; KEY_OUT_2 0; break;case 2: KEY_OUT_2 1; KEY_OUT_3 0; break;case 3: KEY_OUT_3 1; KEY_OUT_0 0; break;default : break;}i i 0x03;}void keyAction(uchar keyCode) {if (keyCode 0x30 keyCode 0x39) {nowMusic keyCode - 0x30;if (nowMusic//TR1 0;playMusic(nowMusic, musicSpeed);}}else if (keyCode 0x27 || keyCode 0x28) {if (nowMusicnowMusic;elsenowMusic 0;//TR1 0;playMusic(nowMusic, musicSpeed);}else if (keyCode 0x25 || keyCode 0x26) {if (nowMusic 0)nowMusic--;elsenowMusic musicNum - 1;//TR1 0;playMusic(nowMusic, musicSpeed);}}void keyDriver() {uchar i, j;static uchar backup[4][4] {{1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}, {1, 1, 1, 1}};//if (enKey)for (i0; i4; i)for (j0; j4; j)if (keyState[i][j] ! backup[i][j]) {if (keyState[i][j] 0) {keyAction(keyCodeMap[i][j]);//enKey 0;}backup[i][j] keyState[i][j];}}
