mirror of
https://github.com/eclipse/upm.git
synced 2025-03-19 23:17:29 +03:00
66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/*
|
|
* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
|
|
* Copyright (c) 2015 Intel Corporation.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the The MIT License which is available at
|
|
* https://opensource.org/licenses/MIT.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
|
|
#include "tm1637.hpp"
|
|
#include "upm_utilities.h"
|
|
|
|
using namespace std;
|
|
using namespace upm;
|
|
|
|
bool run = true;
|
|
|
|
void
|
|
sig_handler(int signo)
|
|
{
|
|
if (signo == SIGINT)
|
|
run = false;
|
|
}
|
|
|
|
int
|
|
main(int argc, char** argv)
|
|
{
|
|
//! [Interesting]
|
|
bool point = true;
|
|
int timezone = -7; // Your UTC offset
|
|
time_t rawtime;
|
|
struct tm* gmt;
|
|
char myTime[15];
|
|
|
|
fprintf(stdout, "TM1637 Display Example\n");
|
|
signal(SIGINT, sig_handler);
|
|
|
|
TM1637 myDisplay = TM1637(0, 1); // TM1637 on pins 0 (clk) and 1 (dio)
|
|
myDisplay.write(0x39, 0x09, 0x09); // Start a box using 7-segment encoding
|
|
myDisplay.writeAt(3, ']'); // Finish box using writeAt function
|
|
upm_delay(3); // Wait 3 seconds
|
|
|
|
while (run) {
|
|
time(&rawtime); // Update raw time
|
|
gmt = gmtime(&rawtime); // Get current time
|
|
|
|
int hour = (gmt) ? gmt->tm_hour : 0;
|
|
int min = (gmt) ? gmt->tm_min : 0;
|
|
// Format and store the time in 24 hour format
|
|
snprintf(myTime, 15, "%2d%02d", (hour + timezone + 24) % 24, min);
|
|
|
|
myDisplay.write(myTime); // Write to display as string
|
|
myDisplay.setColon(point ^= true); // Toggle the dots on the display
|
|
upm_delay(1); // Only update once every second
|
|
}
|
|
|
|
//! [Interesting]
|
|
return 0;
|
|
}
|