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該程序使用到了TM1638，附件中有。
（上一篇文章中的程序包含了此程序的公共代碼部分，但是我忘了把 tm1638.h 放到附件里面了，這次補(bǔ)上）
定時(shí)器初值設(shè)為00:02:15，結(jié)束后重置為23:59:59
源の代碼：
#include "TM1638.h"
#include "msp430f6638.h"
#include "stdint.h"
uint8_t num[8]; //各個(gè)數(shù)碼管顯示的值
uint8_t led_flag[8];
const uint8_t tab[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x00};
void init_port(void)
{
P3DIR |= BIT5;
P3DIR |= BIT4 + BIT2;
P1DIR |= BIT0; // ACLK set out to pins
P1SEL |= BIT0;
}
const uint8_t tab2[] = {0x3F,0x06,0x5B,0x4F,0x66,0x6D,0x7D,0x07,0x7F,0x6F,0x77,0x7C,0x39,0x5E,0x79,0x71};
void TM1638_Write(unsigned char DATA) //寫數(shù)據(jù)函數(shù)
{
unsigned char i;
DIO_OUT;
for(i=0;i<8;i++)
{
CLK_low;
if(DATA & 0x01)
DIO_high;
else
DIO_low;
CLK_high;
DATA>>=1;
}
}
unsigned char TM1638_Read(void) //讀數(shù)據(jù)函數(shù)
{
unsigned char i;
unsigned char temp=0;
DIO_IN;
STB_low;
for(i=0;i<8;i++)
{
temp>>=1;
CLK_low;
_delay_us(100);
if(DIO_READ)
temp |= 0x80;
else
temp &= 0x7f;
CLK_high;
}
return temp;
}
void Write_COM(unsigned char cmd) //發(fā)送命令字
{
CLK_high;
STB_high;
STB_low;
TM1638_Write(cmd);
STB_high;
}
void Write_DATA(unsigned char add,unsigned char DATA) //指定地址寫入數(shù)據(jù)
{
Write_COM(0x44);
STB_low;
TM1638_Write(0xc0|add);
TM1638_Write(DATA);
STB_high;
}
void init_TM1638(void)
{
unsigned char count = 0;
unsigned char times = 1;
while(times--){
Write_allLED(tab2[count]);
count++;
if(count == 16)
count = 0;
_delay_ms(100);
}
Write_allLED(0xff);
_delay_ms(100);
Write_allLED(0);
}
void delay(){
for (int i=0; i<10; i++)
for (int j=0; j<1000; j++);
}
void Write_allLED(unsigned char DATA){
unsigned char i;
Write_COM(0x8F);//顯示控制
Write_COM(0x40); //數(shù)據(jù)命令
STB_low;
TM1638_Write(0xc0);
for(i=0;i<16;i++)
TM1638_Write(DATA);
STB_high;
}
int main(void)
{
WDTCTL = WDTPW+WDTHOLD;
init_port();
init_TM1638();
int hourA = 0;
int hourB = 0;
int minuteA = 0;
int minuteB = 2;
int secondA = 1;
int secondB = 5;
while(1) {
secondB--;
if(secondB == -1) {
secondB = 9;
secondA--;
if(secondA == -1) {
secondA = 5;
minuteB--;
if(minuteB == -1) {
minuteB = 9;
minuteA--;
if(minuteA == -1) {
minuteA = 5;
hourB--;
if(hourB == -1) {
hourB = 9;
hourA--;
if(hourA == -1) {
hourA = 2;
hourB = 3;
}
}
}
}
}
}
Write_DATA(4*2,tab[hourA]);
Write_DATA(5*2,tab[hourB]);
Write_DATA(6*2,tab[15]);
Write_DATA(7*2,tab[minuteA]);
Write_DATA(0*2,tab[minuteB]);
Write_DATA(1*2,tab[15]);
Write_DATA(2*2,tab[secondA]);
Write_DATA(3*2,tab[secondB]);
delay();
}
}
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sy2-3-1.zip
2018-11-30 22:42 上傳
點(diǎn)擊文件名下載附件
下載積分: 黑幣 -5
1.94 KB, 下載次數(shù): 7, 下載積分: 黑幣 -5
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