init.c
void System_Init()
{P0 = 0x00; //关闭蜂鸣器和继电器P2 = P2 & 0x1f | 0xa0;P2 &= 0x1f;P0 = 0x00; //关闭LEDP2 = P2 & 0x1f | 0x80;P2 &= 0x1f;
}
led.c
#include <LED.H>idata unsigned char temp_1 = 0x00;
idata unsigned char temp_old_1 = 0xff;void Led_Disp(unsigned char *ucLed)
{temp_1=0x00;temp_1 = (ucLed[0] << 0) | (ucLed[1] << 1) | (ucLed[2] << 2) | (ucLed[3] << 3) |(ucLed[4] << 4) | (ucLed[5] << 5) | (ucLed[6] << 6) | (ucLed[7] << 7);if (temp_1 != temp_old_1){P0 = ~temp_1;P2 = P2 & 0x1f | 0x80;P2 &= 0x1f;temp_old_1 = temp_1;}
}
seg.c
#include <Seg.H>unsigned char Seg_dula[] = {0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xff};
unsigned char Seg_wela[] = {0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80};void Seg_Dis(unsigned char wela, unsigned char dula,unsigned char piont)
{P0 = 0xff;P2 = P2 & 0x1f | 0xe0;P2 &= 0x1f;P0 = Seg_wela[wela];P2 = P2 & 0x1f | 0xc0;P2 &= 0x1f;P0 = Seg_dula[dula];if(piont) P0 &= 0x7f;P2 = P2 & 0x1f | 0xe0;P2 &= 0x1f;}
key.c
#include <Key.H>unsigned char Key_Read()
{unsigned char temp = 0;P44 = 0;P42 = 1;P35 = 1;P34 = 1;if(P33 == 0) temp = 4;if(P32 == 0) temp = 5;if(P31 == 0) temp = 6;if(P30 == 0) temp = 7;P44 = 1;P42 = 0;P35 = 1;P34 = 1;if(P33 == 0) temp = 8;if(P32 == 0) temp = 9;if(P31 == 0) temp = 10;if(P30 == 0) temp = 11;P44 = 1;P42 = 1;P35 = 0;P34 = 1;if(P33 == 0) temp = 12;if(P32 == 0) temp = 13;if(P31 == 0) temp = 14;if(P30 == 0) temp = 15;P44 = 1;P42 = 1;P35 = 1;P34 = 0;if(P33 == 0) temp = 16;if(P32 == 0) temp = 17;if(P31 == 0) temp = 18;if(P30 == 0) temp = 19;return temp;
}
main
unsigned char Key_Slow_down;
unsigned char Seg_Slow_down;
unsigned char Key_Val, Key_Old, Key_Down, Key_Up;
unsigned char Seg_Pos;
unsigned char Seg_Buf[] = {10,10,10,10,10,10,10,10};
unsigned char Seg_Point[] = {0,0,0,0,0,0,0,0};
unsigned char ucLED[8] = {0,0,0,0,0,0,0,0};void Key_Proc()
{if(Key_Slow_down) return;Key_Slow_down = 1;Key_Val = Key_Read();Key_Down = Key_Val & (Key_Val ^ Key_Old);Key_Up = ~Key_Val & (Key_Val ^ Key_Old);Key_Old = Key_Val;}void Seg_Proc()
{if(Seg_Slow_down) return;Seg_Slow_down = 1;
}void LED_Proc()
{}void Timer0Init(void) //0毫秒@12.000MHz
{AUXR &= 0x7F; //定时器时钟12T模式TMOD &= 0xF0; //设置定时器模式TMOD |= 0x05; TL0 = 0x00; //设置定时初值TH0 = 0x00; //设置定时初值TF0 = 0; //清除TF0标志TR0 = 1; //定时器0开始计时
}void Timer1Init(void) //1毫秒@12.000MHz
{AUXR &= 0xBF; //定时器时钟12T模式TMOD &= 0x0F; //设置定时器模式TL1 = 0x18; //设置定时初值TH1 = 0xFC; //设置定时初值TF1 = 0; //清除TF1标志TR1 = 1; //定时器1开始计时ET1 = 1;EA = 1;
}void Timer1Sever() interrupt 3
{if(++Key_Slow_down == 10) Key_Slow_down = 0;if(++Seg_Slow_down == 100) Seg_Slow_down = 0;if(++Seg_Pos == 8) Seg_Pos = 0;Seg_Dis(Seg_Pos, Seg_Buf[Seg_Pos], Seg_Point[Seg_Pos]);Led_Disp(ucLED);}void main()
{System_Init();Timer0Init();Timer1Init();while(1){Key_Proc();Seg_Proc();LED_Proc();}
}
)
)
