Example program for the Seeed Grove shield, that uses Digit Display Grove on UART connector (D0/D1 pins). This program displays/measures time.
Dependencies: DigitDisplay mbed
Fork of DigitDisplay_Clock by
main.cpp
- Committer:
- screamer
- Date:
- 2014-07-29
- Revision:
- 2:36c54dcb0b7f
- Parent:
- 1:50a737d41539
File content as of revision 2:36c54dcb0b7f:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "mbed.h" #include "DigitDisplay.h" DigitalOut myled(LED1); /** * RX pin - D0 * TX pin - D1 */ DigitDisplay display(D0, D1); Ticker tick; uint8_t hour = 20; uint8_t minute = 14; uint8_t second = 0; void beat() { static uint8_t colon = 0; display.setColon(colon); if (colon) { second++; if (second >= 60) { second = 0; minute++; if (minute >= 60) { minute = 0; hour++; if (hour >= 24) { hour = 0; } display.write(0, hour / 10); display.write(1, hour % 10); } display.write(2, minute / 10); display.write(3, minute % 10); } } colon = 1 - colon; } int main() { display.write(0, hour / 10); display.write(1, hour % 10); display.write(2, minute / 10); display.write(3, minute % 10); display.setColon(true); tick.attach(&beat, 0.5); while(1) { myled = 1; wait(0.5); myled = 0; wait(0.5); } }