基于esp8266的辉光钟 - - Powered by Discuz!

#include <DS1302.h>
//clock config
const int kCePin = 5; // 对应rst引脚，Chip Enable
const int kIoPin = 6; // 对应data引脚，Input/Output
const int kSclkPin = 7; // 对应clck引脚，Serial Clock
//建立一个ds1302 对象 rtc
DS1302 rtc(kCePin, kIoPin, kSclkPin);
//595 config
int datapin = 2; //DS 14脚用来串行输入数据
int latchpin = 3; //st_cp 12脚注：latch 有门闩的意思，可以理解成闸门，控制并行输出的时间
int clockpin = 4; //sh_cp 11脚 //595会在clock的上升沿读取 1bit data, 对它的操控封装在 shiftOut()函数里了，不需要大家自己操作。
//clock data
int data_sec = 0; //秒数数据
int data_min = 0; //分钟数据
int data_hour = 0; //小时数据
void setup() {
Serial.begin(9600);
nixie_tube_init();
}
void loop() {
//将当前时间存储到 t 这个对象中
Time t = rtc.time();
int hour_gewei = t.hr % 10; //取得个位数字模10
int hour_shiwei = t.hr / 10;//取得十位数字处以十
int min_gewei = t.min % 10;
int min_shiwei = t.min / 10;
int sec_gewei = t.sec % 10;
int sec_shiwei = t.sec / 10;
//晚上不显示
if( t.hr>=0 and t.hr<=6 ) {
digitalWrite(latchpin, LOW);
shiftOut(datapin, clockpin, LSBFIRST, 255);
shiftOut(datapin, clockpin, LSBFIRST, 255);
digitalWrite(latchpin, HIGH);
delay(100000);
return;
}
//分钟数变化时来个随机显示
if ((min_shiwei * POW(2,4) + min_gewei) != data_min) {
random_display(30);
}
// (5 -> 0101 1-> 0001) => 0101 0001 = 0101 * 2^4 + 0001
// 10 01 => 1001 = 10 * 10^2 + 1
// data_sec = sec_shiwei * POW(2,4) + sec_gewei;
data_min = min_shiwei * POW(2,4) + min_gewei;
data_hour = hour_shiwei * POW(2,4) + hour_gewei;
digitalWrite(latchpin, LOW);
shiftOut(datapin, clockpin, LSBFIRST, data_min);
shiftOut(datapin, clockpin, LSBFIRST, data_hour);
digitalWrite(latchpin, HIGH);
delay(100);
}
int POW(int i, int j) {
int result = 1;
if(j == 0) return result;
for(int k = 0; k < j; k++) {
result *= i;
}
return result;
}
void random_display(int times) {
for(int i=0; i<times; i++) {
digitalWrite(latchpin, LOW);
shiftOut(datapin, clockpin, LSBFIRST, random(1,10) * POW(2,4) + random(1,10));
shiftOut(datapin, clockpin, LSBFIRST, random(1,10) * POW(2,4) + random(1,10));
digitalWrite(latchpin, HIGH);
delay(20);
}
}
void nixie_tube_init() {
pinMode(clockpin, OUTPUT);
pinMode(datapin, OUTPUT);
pinMode(latchpin, OUTPUT);
//show something random
random_display(40);
}

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