T1638测试程序.doc

再来一个按键测试的程序：这个是另外的，与上面的无关；#ifndef_TM1638_H#define_TM1638_H#include#defineDATA_COMMAND0X40#defineDISP_COMMAND0x80#defineADDR_COMMAND0XC0/引脚定义sbitDIO=P10;sbitCLK=P11;sbitSTB=P12;unsigned char code tab=0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71,0x40;void TM1638_Write(unsigned charDATA)/写数据函数unsigned char i;for(i=0;i=1;CLK=1;unsigned char TM1638_Read(void)/读数据函数unsigned char i;unsigned char temp=0;DIO=1;/设置为输入for(i=0;i=1;CLK=0;if(DIO)temp|=0x80;CLK=1;return temp;void Write_COM(unsigned char cmd)/发送命令字STB=0;TM1638_Write(cmd);STB=1;unsigned char Read_key(void)unsigned char c4,i,key_value=0;STB=0;TM1638_Write(0x42);for(i=0;i4;i+)ci=TM1638_Read();STB=1;/4个字节数据合成一个字节for(i=0;i4;i+)key_value|=ci;for(i=0;i4;i+)if(ci=key_value)break;return (i*8+key_value);void Write_DATA(unsigned char add,unsigned char DATA)/指定地址写入数据Write_COM(0x44);STB=0;TM1638_Write(0xc0|add);TM1638_Write(DATA);STB=1;/*void Write_oneLED(unsigned char num,unsigned char flag)/单独控制一个LED函数，num为需要控制的led序号，flag为0时熄灭，不为0时点亮if(flag)Write_DATA(2*num+1,1);elseWrite_DATA(2*num+1,0); void Write_allLED(unsigned char LED_flag)/控制全部LED函数，LED_flag表示各个LED状态unsigned char i;for(i=0;i8;i+)if(LED_flag&(1i)Write_DATA(2*i+1,3);elseWrite_DATA(2*i+1,0); */void init_TM1638(void)unsigned char i;Write_COM(0x8a);/亮度Write_COM(0x40);STB=0;TM1638_Write(0xc0);for(i=0;i16;i+)TM1638_Write(0x00);STB=1;#endif#include#include#include555.hunsigned char num8;/各个数码管显示的值unsigned char x=0xff;sbit key=P34;int main(void)init_TM1638();system_init();display(x);delay_ms(200);display1638();while(1)display1638(); / detectkey();x=Read_key();display(x); void display1638()uchar i;if(sec_flag|i) num0=hour/10;num1=hour%10;num3=minute/10;num4=minute%10;num6=second/10;num7=second%10;num2=16;num5=16;for(i=0;i8;i+)Write_DATA(i*2,tabnumi);#ifndef_555_H#define_555_H#include#define uchar unsigned charvoid delay_ms(uchar);void display();void detectkey();void display1638();uchar code tap10= 0xC0,/*0*/ 0xF9,/*1*/ 0xA4,/*2*/ 0xB0,/*3*/ 0x99,/*4*/ 0x92,/*5*/ 0x82,/*6*/ 0xF8,/*7*/ 0x80,/*8*/ 0x90,/*9*/;sbit key_hour=P35;sbit key_min=P36;uchar hour=12;uchar minute=0;uchar second=0;uchar flag=0;uchar sec_flag=0;/* 初始化程序 */void system_init()TMOD=0x01;EA=1;ET0=1; EX0=1;IT0=1;TR0=1;TH0=(65536-50000)/256;TL0=(65536-50000)%256;/* 定时器中断0中断处理程序 */void int1_ISR() interrupt 1 TH0=(65536-50000)/256; TL0=(65536-50000)%256; flag+; if(flag=20) sec_flag=1;second+; flag=0; if(second=60) second=0; minute+; if(minute=60) minute=0; hour+; hour%=24; /* 按键程序 */void detectkey() delay_ms(10); if(key_hour=0) hour+;hour=hour%24;while(!key_hour)display(); if(key_min=0) minute+;minute=minute%60;while(!key_min)display(); if(P3_7=0) hour=12; minute=0; second=0; while(!P3_5) display(); /* 显示程序 */void display(uchar i) P0