#include "main.h" /* LED显示 */ uchar ucLed[8] = {0, 0, 0, 0, 0, 0, 0, 0}; /* 数码管显示 */ uchar Seg_Slow_Down; // 数码管减速 uchar Seg_Buf[8] = {10, 10, 10, 10, 10, 10, 10, 10}; // 数码管显示的值 uchar Seg_Pos; // 数码管指示 uchar Seg_Point[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // 某位是否显示小数点 /* 时间方面 */ uchar ucRtc[3] = {0x23, 0x59, 0x50}; // 初始化时钟时间23:59:50 uchar alarmRtc[3] = {0x00, 0x00, 0x00}; // 初始化闹钟时间00:00:00 uchar setUcRtc[3]; // 时间设置数组 十进制 uchar setAlarmRtc[3]; // 闹钟设置数组 十进制 uchar setUcRtc_index; uchar setAlarmRtc_index; /* 键盘方面 */ uchar Key_Slow_Down; /* 时间方面 */ uint time_all_1s; uint time_blink_1s; // 1s闪烁 uchar time_200ms; uint time_5s; /* 数据方面 */ uchar T_value; // 温度值 /* 显示方面 */ uchar Seg_show_mode; // 0 时钟显示 1 时钟设置 2 闹钟设置 3 温度显示 /* 判断 */ bit Seg_blink_flag; // 数码管闪烁标志 bit Led_blink_flag; // LED闪烁标志 bit ring_flag; // 闹钟触发标志 /* 数据处理函数 */ void Data_Proc() { if (time_all_1s % 500 == 0) { // 时间读取 Read_Rtc(ucRtc); if (ucRtc[0] == alarmRtc[0] && ucRtc[1] == alarmRtc[1] && ucRtc[2] == alarmRtc[2]) // 闹钟触发 ring_flag = 1; } if (time_all_1s % 500 == 0) { // 温度读取 T_value = rd_temperature(); } } /* 键盘处理函数 */ void Key_Proc() { static uchar Key_Val, Key_Down, Key_Up, Key_Old; uchar i; if (time_all_1s % 10) return; Key_Val = Key_Read(); Key_Down = Key_Val & (Key_Old ^ Key_Val); Key_Up = ~Key_Val & (Key_Old ^ Key_Val); Key_Old = Key_Val; switch (Seg_show_mode) { case 0: if (Key_Down == 7) { // 进入时钟设置 for (i = 0; i < 3; i++) { setUcRtc[i] = ucRtc[i] / 16 * 10 + ucRtc[i] % 16; } Seg_show_mode = 1; } else if (Key_Down == 6) { // 进入闹钟设置 for (i = 0; i < 3; i++) { setAlarmRtc[i] = alarmRtc[i] / 16 * 10 + alarmRtc[i] % 16; } Seg_show_mode = 2; } if (Key_Old == 4) // 进入温度显示 Seg_show_mode = 3; break; case 1: if (Key_Down == 7) setUcRtc_index++; if (setUcRtc_index >= 3) { // 返回时钟显示 Seg_show_mode = 0; setUcRtc_index = 0; for (i = 0; i < 3; i++) ucRtc[i] = setUcRtc[i] / 10 << 4 | setUcRtc[i] % 10; Set_Rtc(ucRtc); } if (Key_Down == 5) { if (setUcRtc_index == 0) // 修改小时 setUcRtc[setUcRtc_index] = (setUcRtc[setUcRtc_index] >= 24) ? 24 : setUcRtc[setUcRtc_index] + 1; else // 修改分秒 setUcRtc[setUcRtc_index] = (setUcRtc[setUcRtc_index] >= 60) ? 60 : setUcRtc[setUcRtc_index] + 1; } else if (Key_Down == 4) // 修改时分秒 setUcRtc[setUcRtc_index] = (setUcRtc[setUcRtc_index] == 0) ? 0 : setUcRtc[setUcRtc_index] - 1; break; case 2: if (Key_Down == 6) setAlarmRtc_index++; if (setAlarmRtc_index >= 3) { // 返回时钟显示 Seg_show_mode = 0; setAlarmRtc_index = 0; for (i = 0; i < 3; i++) alarmRtc[i] = setAlarmRtc[i] / 10 << 4 | setAlarmRtc[i] % 10; } if (Key_Down == 5) { if (setAlarmRtc_index == 0) // 修改小时 setAlarmRtc[setAlarmRtc_index] = (setAlarmRtc[setAlarmRtc_index] >= 24) ? 24 : setAlarmRtc[setAlarmRtc_index] + 1; else // 修改分秒 setAlarmRtc[setUcRtc_index] = (setAlarmRtc[setUcRtc_index] >= 60) ? 60 : setAlarmRtc[setAlarmRtc_index] + 1; } else if (Key_Down == 4) // 修改时分秒 setAlarmRtc[setUcRtc_index] = (setAlarmRtc[setAlarmRtc_index] == 0) ? 0 : setAlarmRtc[setAlarmRtc_index] - 1; break; case 3: if (Key_Up == 4) // 返回时钟显示 Seg_show_mode = 0; break; } if (ring_flag && (Key_Down != 0)) ring_flag = 0; } /* 数码管处理函数 */ void Seg_Proc() { if (time_all_1s % 20) return; switch (Seg_show_mode) { case 0: /* 时钟显示 */ Seg_Buf[0] = ucRtc[0] / 16; Seg_Buf[1] = ucRtc[0] % 16; Seg_Buf[2] = 11; //- Seg_Buf[3] = ucRtc[1] / 16; Seg_Buf[4] = ucRtc[1] % 16; Seg_Buf[5] = 11; //- Seg_Buf[6] = ucRtc[2] / 16; Seg_Buf[7] = ucRtc[2] % 16; break; case 1: /* 时钟设置 */ Seg_Buf[0] = setUcRtc[0] / 10; Seg_Buf[1] = setUcRtc[0] % 10; Seg_Buf[2] = 11; //- Seg_Buf[3] = setUcRtc[1] / 10; Seg_Buf[4] = setUcRtc[1] % 10; Seg_Buf[5] = 11; //- Seg_Buf[6] = setUcRtc[2] / 10; Seg_Buf[7] = setUcRtc[2] % 10; Seg_Buf[setUcRtc_index * 3] = Seg_blink_flag ? 10 : Seg_Buf[setUcRtc_index * 3]; Seg_Buf[setUcRtc_index * 3 + 1] = Seg_blink_flag ? 10 : Seg_Buf[setUcRtc_index * 3 + 1]; break; case 2: /* 闹钟设置 */ Seg_Buf[0] = setAlarmRtc[0] / 10; Seg_Buf[1] = setAlarmRtc[0] % 10; Seg_Buf[2] = 11; //- Seg_Buf[3] = setAlarmRtc[1] / 10; Seg_Buf[4] = setAlarmRtc[1] % 10; Seg_Buf[5] = 11; //- Seg_Buf[6] = setAlarmRtc[2] / 10; Seg_Buf[7] = setAlarmRtc[2] % 10; Seg_Buf[setAlarmRtc_index * 3] = Seg_blink_flag ? 10 : Seg_Buf[setAlarmRtc_index * 3]; Seg_Buf[setAlarmRtc_index * 3 + 1] = Seg_blink_flag ? 10 : Seg_Buf[setAlarmRtc_index * 3 + 1]; break; break; case 3: /* 温度显示 */ memset(Seg_Buf, 10, 5); Seg_Buf[5] = T_value / 10; Seg_Buf[6] = T_value % 10; Seg_Buf[7] = 12; // C break; } } /* LED处理函数 */ void Led_Proc() { ucLed[0] = Led_blink_flag; } /* 定时器0中断初始化 */ void Timer0_Init(void) // 1毫秒@12.000MHz { AUXR &= 0x7F; // 定时器时钟12T模式 TMOD &= 0xF0; // 设置定时器模式 TL0 = 0x18; // 设置定时初始值 TH0 = 0xFC; // 设置定时初始值 TF0 = 0; // 清除TF0标志 TR0 = 1; // 定时器0开始计时 ET0 = 1; EA = 1; } /* 定时器0中断函数 */ void Timer0_ISR(void) interrupt 1 { if (++time_all_1s == 1000) time_all_1s = 0; if (++Seg_Pos == 8) Seg_Pos = 0; if (Seg_show_mode == 1 || Seg_show_mode == 2) { // 当进入设置界面的时候，我们开始进行计时 if (++time_blink_1s == 1000) { // 1s闪烁 time_blink_1s = 0; Seg_blink_flag ^= 1; } } else { // 不在设置界面的时候，我们不进行计时 time_blink_1s = 0; Seg_blink_flag = 0; } if (ring_flag) { // 当闹钟触发的时候，我们开始计时 if (++time_200ms == 200) Led_blink_flag ^= 1; if (++time_5s == 5000) ring_flag = 0; } else { // 防止因为按下按键后第二次计时的bug Led_blink_flag = 0; time_5s = 0; time_200ms = 0; } Seg_Disp(Seg_Pos, Seg_Buf[Seg_Pos], Seg_Point[Seg_Pos]); Led_Disp(Seg_Pos, ucLed[Seg_Pos]); } void Delay750ms(void) //@12.000MHz { unsigned char data i, j, k; _nop_(); _nop_(); i = 35; j = 51; k = 182; do { do { while (--k) ; } while (--j); } while (--i); } void main() { System_Init(); Timer0_Init(); Set_Rtc(ucRtc); rd_temperature(); Delay750ms(); while (1) { Data_Proc(); Key_Proc(); Seg_Proc(); Led_Proc(); } }