118 lines
2.4 KiB
C
118 lines
2.4 KiB
C
#include "main.h"
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/* LED显示 */
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uchar ucLed[8] = {0, 0, 0, 0, 0, 0, 0, 0};
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/* 数码管显示 */
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uchar Seg_Slow_Down; // 数码管减速
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uchar Seg_Buf[8] = {10, 10, 10, 10, 10, 10, 10, 10}; // 数码管显示的值
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uchar Seg_Pos; // 数码管指示
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uchar Seg_Point[8] = {0, 0, 0, 0, 0, 0, 0, 0}; // 某位是否显示小数点
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/* 时间方面 */
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uchar ucRtc[3] = {0x13, 0x59, 0x50}; // 初始化时间13:59:50
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/* 键盘方面 */
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uchar Key_Slow_Down;
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bit Time_ring; // 整点报时
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uint time_1s;
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/* 键盘处理函数 */
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void Key_Proc()
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{
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static uchar Key_Val, Key_Down, Key_Up, Key_Old;
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if (Key_Slow_Down)
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return;
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Key_Slow_Down = 1;
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Key_Val = Key_Read();
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Key_Down = Key_Val & (Key_Old ^ Key_Val);
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Key_Up = ~Key_Val & (Key_Old ^ Key_Val);
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Key_Old = Key_Val;
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}
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/* 数码管处理函数 */
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void Seg_Proc()
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{
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if (Seg_Slow_Down)
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return;
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Seg_Slow_Down = 1;
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Read_Rtc(ucRtc);
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Seg_Buf[0] = ucRtc[0] / 16;
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Seg_Buf[1] = ucRtc[0] % 16;
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Seg_Buf[2] = 11; //-
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Seg_Buf[3] = ucRtc[1] / 16;
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Seg_Buf[4] = ucRtc[1] % 16;
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Seg_Buf[5] = 11; //-
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Seg_Buf[6] = ucRtc[2] / 16;
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Seg_Buf[7] = ucRtc[2] % 16;
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}
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/* LED处理函数 */
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void Led_Proc()
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{
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if ((ucRtc[1]==0) && (ucRtc[2]== 0))
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Time_ring = 1;
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Relay(Time_ring);
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Beep(Time_ring);
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if (Time_ring)
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{
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memset(ucLed, 1, 4);
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memset(ucLed + 4, 0, 4);
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}
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else
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{
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memset(ucLed, 0, 4);
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memset(ucLed + 4, 1, 4);
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}
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}
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/* 定时器0中断初始化 */
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void Timer0_Init(void) // 1毫秒@12.000MHz
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{
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AUXR &= 0x7F; // 定时器时钟12T模式
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TMOD &= 0xF0; // 设置定时器模式
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TL0 = 0x18; // 设置定时初始值
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TH0 = 0xFC; // 设置定时初始值
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TF0 = 0; // 清除TF0标志
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TR0 = 1; // 定时器0开始计时
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ET0 = 1;
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EA = 1;
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}
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/* 定时器0中断函数 */
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void Timer0_ISR(void) interrupt 1
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{
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if (++Key_Slow_Down == 10)
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Key_Slow_Down = 0;
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if (++Seg_Slow_Down == 500)
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Seg_Slow_Down = 0;
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if (++Seg_Pos == 8)
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Seg_Pos = 0;
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if (Time_ring)
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{
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if (++time_1s == 1000)
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{
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time_1s = 0;
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Time_ring = 0;
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}
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}
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else
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{
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time_1s = 0;
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}
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Seg_Disp(Seg_Pos, Seg_Buf[Seg_Pos], Seg_Point[Seg_Pos]);
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Led_Disp(Seg_Pos, ucLed[Seg_Pos]);
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}
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void main()
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{
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System_Init();
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Timer0_Init();
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Set_Rtc(ucRtc);
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while (1)
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{
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Key_Proc();
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Seg_Proc();
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Led_Proc();
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}
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} |