2015-04-08 16:02:59 -07:00
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/*
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* Author: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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2016-04-25 14:27:51 -07:00
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#include "tm1637.hpp"
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2015-04-08 16:02:59 -07:00
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#include <signal.h>
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#include <unistd.h>
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#include <sstream>
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#include <time.h>
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using namespace std;
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using namespace upm;
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bool run = true;
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void sig_handler(int signo)
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{
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if (signo == SIGINT)
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run = false;
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}
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int
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main(int argc, char** argv)
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{
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//! [Interesting]
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bool point = true;
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int timezone = -7; // Your UTC offset
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time_t rawtime;
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struct tm * gmt;
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2015-06-10 16:18:24 -06:00
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char myTime[5];
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2015-04-08 16:02:59 -07:00
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fprintf(stdout, "TM1637 Display Example\n");
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signal(SIGINT, sig_handler);
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TM1637 myDisplay = TM1637(0, 1); // TM1637 on pins 0 (clk) and 1 (dio)
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myDisplay.write(0x39, 0x09, 0x09); // Start a box using 7-segment encoding
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myDisplay.writeAt(3, ']'); // Finish box using writeAt function
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sleep(3); // Wait 3 seconds
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while(run)
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{
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time(&rawtime); // Update raw time
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gmt = gmtime(&rawtime); // Get current time
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2015-06-10 16:18:24 -06:00
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int hour = (gmt) ? gmt->tm_hour : 0;
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int min = (gmt) ? gmt->tm_min : 0;
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2015-04-08 16:02:59 -07:00
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// Format and store the time in 24 hour format
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2015-06-10 16:18:24 -06:00
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snprintf(myTime, 5, "%2d%02d", (hour + timezone + 24) % 24, min);
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2015-04-08 16:02:59 -07:00
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myDisplay.write(myTime); // Write to display as string
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myDisplay.setColon(point ^= true); // Toggle the dots on the display
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sleep(1); // Only update once every second
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}
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//! [Interesting]
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return 0;
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}
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