智能语音闹钟 ISD1820

#include<reg52.h> unsigned char discode_bit[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f}; unsigned char discode_segment[] = {0x0a,0x3f,0x46,0x26,0x33,0xa2,0x82,0x3e,0x02,0x22,0xff}; /*******************正常走时时的指针变量*************************/ unsigned char *pDiscode_segment_hourgewei = discode_segment; unsigned char *pDiscode_segment_hourshiwei = discode_segment; unsigned char *pDiscode_segment_minshiwei = discode_segment; unsigned char *pDiscode_segment_mingewei = discode_segment; unsigned char *pDiscode_segment_secshiwei = discode_segment; unsigned char *pDiscode_segment_secgewei = discode_segment; /*********************设置闹钟时的指针变量******************************/ unsigned char *pDisAlarm_segment_hourgewei = discode_segment; unsigned char *pDisAlarm_segment_hourshiwei = discode_segment; unsigned char *pDisAlarm_segment_mingewei = discode_segment; unsigned char *pDisAlarm_segment_minshiwei = discode_segment; unsigned char TL0_temp; //暂存TL0的初值 unsigned char TH0_temp; //暂存TH0的初值 unsigned int setAlarm_time = 0; unsigned int Alarm_time = 0;//闹钟响铃时间 bit BIT_5ms = 0; //10ms到标志 bit BIT_1s = 0; //1s到标志 #define INT_CLOCK 5 //INT_CLOCK为定时值，单位为ms ,此处定义为5ms #define CRY_FREQUENCY 11059200 //CRY_FREQUENCY为晶振频率，单位为Hz #define ALARM_TIME 12000;//闹钟闹的时间 sbit bHour_set = P2^0; //sbit bHour_sub = P2^1; sbit bMin_set = P2^1; sbit bAlarm_set = P2^2; sbit bAlarm_led = P2^3; sbit bPlay_Rec = P2^4 ; //sbit bConform = P2^4;*/ bit bSetAlarm_state = 0; //设置闹钟状态标志位 bit bSetAlarm_hour = 0; //闹钟设置状态下的时钟按键被按下的标志位 bit bSetAlarm_min = 0; //闹钟设置状态下的分钟按键被按下的标志位 unsigned char alarm_count = 0; //闹钟设置键按下的次数计数器 unsigned char Alarm_save[4] = {0xff,0xff,0xff,0xff}; //保存闹钟设置值的数组 ,初始值设为ff是为了防止上电就闹 /********** 定时器0初始化函数 **************/ void timer0_init() { unsigned long T0_temp; //暂存T0的初始值 EA = 1;//开总中断 T0_temp = 65536-((INT_CLOCK *CRY_FREQUENCY /1000)/12); //T0初始值计算公式，参考教科书 TL0_temp = T0_temp & 0xff; TH0_temp = T0_temp >> 8; TL0 = TL0_temp; TH0 = TH0_temp; TMOD |= 0x01; TR0 = 1; ET0 = 1; //开定时器0中断 } /************延时函数***********************/ void delay(unsigned char time) { unsigned char i; for(i = 0;i < time;i++) { while(!BIT_5ms); BIT_5ms = 0; } } /*********定时器0中断服务程序*****************/ unsigned char count_5ms = 0; //5毫秒计数器 unsigned int count_500ms = 0;//50毫秒计数器 unsigned char count_1s = 0;//1秒计数器 bit bValid_key = 0;//两次闹钟设置键之间是否有其他键按下的标志 void T0_interrupt(void) interrupt 1 // T0中断服务程序 { TH0 += TH0_temp; TL0 += TL0_temp; BIT_5ms = 1; count_5ms++; count_1s ++; if(4 == count_5ms) count_5ms = 0; if(0 == count_5ms) { P0 = discode_bit[0]; if(bSetAlarm_state) P1 = *pDisAlarm_segment_hourgewei; else P1 = *pDiscode_segment_hourgewei; } else if(1 == count_5ms) { P0 = discode_bit[1]; if(bSetAlarm_state) P1 = *pDisAlarm_segment_hourshiwei; else P1 = *pDiscode_segment_hourshiwei; } else if (2 == count_5ms) { P0 = discode_bit[3]; if(bSetAlarm_state) P1 = *pDisAlarm_segment_minshiwei; else P1 = *pDiscode_segment_minshiwei; } else if (3 == count_5ms) { P0 = discode_bit[2]; if(bSetAlarm_state) P1 = *pDisAlarm_segment_mingewei; else P1 = *pDiscode_segment_mingewei; } if(200 == count_1s) //1秒计时到 { count_1s = 0; pDiscode_segment_secgewei ++; if(0xff == *pDiscode_segment_secgewei) { pDiscode_segment_secgewei = discode_segment; pDiscode_segment_secshiwei ++; } if(0x82 == *pDiscode_segment_secshiwei) { pDiscode_segment_secshiwei = discode_segment; pDiscode_segment_mingewei ++; } if(0xff == *pDiscode_segment_mingewei) { pDiscode_segment_mingewei = discode_segment; pDiscode_segment_minshiwei ++; } if(0x82 == *pDiscode_segment_minshiwei) { pDiscode_segment_minshiwei = discode_segment; pDiscode_segment_hourgewei ++; } if(0xff == *pDiscode_segment_hourgewei) { pDiscode_segment_hourgewei = discode_segment; pDiscode_segment_hourshiwei ++; } if((0x46 == *pDiscode_segment_hourshiwei) && (0x33 == *pDiscode_segment_hourgewei)) { pDiscode_segment_hourshiwei = discode_segment; pDiscode_segment_hourgewei = discode_segment; } } if(setAlarm_time) { setAlarm_time --; if(bSetAlarm_hour) { bValid_key = 1; bSetAlarm_hour = 0; setAlarm_time = 1000; } else if(bSetAlarm_min) { bValid_key = 1; bSetAlarm_min = 0; setAlarm_time = 1000; } if(0 == alarm_count) //第二次按下了闹钟设置键 { if(bValid_key) //如果有时间设置键按下,则保存当前闹钟设置值 { bValid_key = 0; Alarm_save[0] = *pDisAlarm_segment_hourshiwei; Alarm_save[1] = *pDisAlarm_segment_hourgewei; Alarm_save[2] = *pDisAlarm_segment_minshiwei; Alarm_save[3] = *pDisAlarm_segment_mingewei; } setAlarm_time = 0; bAlarm_led = 1; count_500ms = 0; } else //等待用户操作，用LED灯闪烁表示 { count_500ms ++; if(100 == count_500ms) { count_500ms = 0; bAlarm_led = !bAlarm_led; } } if(0 == setAlarm_time) //如果5秒之内没有任何其他操作（按键按下） { bAlarm_led = 1; count_500ms = 0; alarm_count = 0; bSetAlarm_state = 0; //退出闹钟设置状态 } } if(Alarm_time) //开始闹铃 { Alarm_time --; count_500ms ++; if(50 == count_500ms) { count_500ms = 0; bAlarm_led = !bAlarm_led; bPlay_Rec = !bPlay_Rec; //每隔一段时间触发一次，以实现连续播放 } if(0 == Alarm_time) { bAlarm_led = 1; // 灯灭 bPlay_Rec = 1; // 停止播放 } } } /************************************/ /***********主函数*******************/ int main() { // unsigned char i; bit a = 0; timer0_init(); bHour_set = 1; bMin_set = 1; bAlarm_set = 1; while(1) { if(!bHour_set) //小时设置键被按下 { delay(10); //防抖 if(!bHour_set) { if(bSetAlarm_state) //当前是闹钟设置状态 { bSetAlarm_hour = 1; pDisAlarm_segment_hourgewei ++; if(0xff == *pDisAlarm_segment_hourgewei) { pDisAlarm_segment_hourgewei = discode_segment; pDisAlarm_segment_hourshiwei ++; } if((0x46 == *pDisAlarm_segment_hourshiwei) && (0x33 == *pDisAlarm_segment_hourgewei)) { pDisAlarm_segment_hourshiwei = discode_segment; pDisAlarm_segment_hourgewei = discode_segment; } } else //当前为正常走时状态 { bSetAlarm_hour = 0; pDiscode_segment_hourgewei ++; if(0xff == *pDiscode_segment_hourgewei) { pDiscode_segment_hourgewei = discode_segment; pDiscode_segment_hourshiwei ++; } if((0x46 == *pDiscode_segment_hourshiwei) && (0x33 == *pDiscode_segment_hourgewei)) { pDiscode_segment_hourshiwei = discode_segment; pDiscode_segment_hourgewei = discode_segment; } } while(!bHour_set); } } if(!bMin_set) //分钟设置键被按下 { delay(10); if(!bMin_set) { if(bSetAlarm_state) //当前为闹钟设置状态 { bSetAlarm_min = 1; pDisAlarm_segment_mingewei ++; if(0xff == *pDisAlarm_segment_mingewei) { pDisAlarm_segment_mingewei = discode_segment; pDisAlarm_segment_minshiwei ++; } if(0x82 == *pDisAlarm_segment_minshiwei) { pDisAlarm_segment_minshiwei = discode_segment; pDisAlarm_segment_mingewei = discode_segment; } } else //当前为正常走时状态 { bSetAlarm_min = 0; pDiscode_segment_mingewei ++; if(0xff == *pDiscode_segment_mingewei) { pDiscode_segment_mingewei = discode_segment; pDiscode_