Nathan Yonkee / Mbed OS Seeed_Grove_4_Digit_Display_Clock

fork of seeed studio 4-digit display for st nucleo board

Dependencies:   Data_Clock_Pair Seeed_Chainable_LED Seeed_Four_Digit_Disp Seeed_IR_Temp_Sensor Seeed_Led_Bar

Fork of Seeed_Grove_4_Digit_Display_Clock by Seeed

main.cpp

Committer:
tulanthoar
Date:
2017-04-10
Revision:
2:1ae739c15893
Parent:
1:f45925081128
Child:
3:c4427ce4d171

File content as of revision 2:1ae739c15893:

#include "mbed.h"
#include "DigitDisplay.h"

DigitDisplay display(PE_11, PE_9); // 4-Digit Display connected to UART Grove connector
DigitalOut   led(LED1);

Ticker ticker;
volatile uint8_t second = 0;
volatile uint8_t minute = 0;
volatile uint8_t hour = 12;
volatile bool colon_enable = false;

void tick()
{
    colon_enable = !colon_enable;
    display.setColon(colon_enable);
    
    if (colon_enable) {
        second++;
        if (second >= 60) {
            second = 0;
            minute++;
            if (minute >= 60) {
                minute = 0;
                hour++;
                if (hour >= 24) {
                    hour = 0;
                }
            }
            
            display.write(hour * 100 + minute);
        }
    }
}

int main() {
    display.write(hour * 100 + minute);
    ticker.attach(tick, 0.5);
    while(1) {
        led = !led;
        wait(0.5);
    }
}