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@2:36c54dcb0b7f, 2014-07-29 (annotated)
- Committer:
- screamer
- Date:
- Tue Jul 29 12:04:39 2014 +0000
- Revision:
- 2:36c54dcb0b7f
- Parent:
- 1:50a737d41539
Add Apache2 license header
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
screamer | 2:36c54dcb0b7f | 1 | /* Copyright (c) 2010-2011 mbed.org, MIT License |
screamer | 2:36c54dcb0b7f | 2 | * |
screamer | 2:36c54dcb0b7f | 3 | * Permission is hereby granted, free of charge, to any person obtaining a copy of this software |
screamer | 2:36c54dcb0b7f | 4 | * and associated documentation files (the "Software"), to deal in the Software without |
screamer | 2:36c54dcb0b7f | 5 | * restriction, including without limitation the rights to use, copy, modify, merge, publish, |
screamer | 2:36c54dcb0b7f | 6 | * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the |
screamer | 2:36c54dcb0b7f | 7 | * Software is furnished to do so, subject to the following conditions: |
screamer | 2:36c54dcb0b7f | 8 | * |
screamer | 2:36c54dcb0b7f | 9 | * The above copyright notice and this permission notice shall be included in all copies or |
screamer | 2:36c54dcb0b7f | 10 | * substantial portions of the Software. |
screamer | 2:36c54dcb0b7f | 11 | * |
screamer | 2:36c54dcb0b7f | 12 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
screamer | 2:36c54dcb0b7f | 13 | * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
screamer | 2:36c54dcb0b7f | 14 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, |
screamer | 2:36c54dcb0b7f | 15 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
screamer | 2:36c54dcb0b7f | 16 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
screamer | 2:36c54dcb0b7f | 17 | */ |
screamer | 2:36c54dcb0b7f | 18 | |
seeed | 0:20e070e8ecca | 19 | #include "mbed.h" |
seeed | 0:20e070e8ecca | 20 | #include "DigitDisplay.h" |
seeed | 0:20e070e8ecca | 21 | |
seeed | 0:20e070e8ecca | 22 | DigitalOut myled(LED1); |
seeed | 0:20e070e8ecca | 23 | |
screamer | 1:50a737d41539 | 24 | /** |
screamer | 1:50a737d41539 | 25 | * RX pin - D0 |
screamer | 1:50a737d41539 | 26 | * TX pin - D1 |
screamer | 1:50a737d41539 | 27 | */ |
screamer | 1:50a737d41539 | 28 | DigitDisplay display(D0, D1); |
seeed | 0:20e070e8ecca | 29 | |
seeed | 0:20e070e8ecca | 30 | Ticker tick; |
seeed | 0:20e070e8ecca | 31 | |
seeed | 0:20e070e8ecca | 32 | uint8_t hour = 20; |
seeed | 0:20e070e8ecca | 33 | uint8_t minute = 14; |
seeed | 0:20e070e8ecca | 34 | uint8_t second = 0; |
seeed | 0:20e070e8ecca | 35 | |
seeed | 0:20e070e8ecca | 36 | void beat() |
seeed | 0:20e070e8ecca | 37 | { |
seeed | 0:20e070e8ecca | 38 | static uint8_t colon = 0; |
seeed | 0:20e070e8ecca | 39 | |
seeed | 0:20e070e8ecca | 40 | display.setColon(colon); |
seeed | 0:20e070e8ecca | 41 | if (colon) { |
seeed | 0:20e070e8ecca | 42 | second++; |
seeed | 0:20e070e8ecca | 43 | if (second >= 60) { |
seeed | 0:20e070e8ecca | 44 | second = 0; |
seeed | 0:20e070e8ecca | 45 | minute++; |
seeed | 0:20e070e8ecca | 46 | if (minute >= 60) { |
seeed | 0:20e070e8ecca | 47 | minute = 0; |
seeed | 0:20e070e8ecca | 48 | |
seeed | 0:20e070e8ecca | 49 | hour++; |
seeed | 0:20e070e8ecca | 50 | if (hour >= 24) { |
seeed | 0:20e070e8ecca | 51 | hour = 0; |
seeed | 0:20e070e8ecca | 52 | } |
seeed | 0:20e070e8ecca | 53 | display.write(0, hour / 10); |
seeed | 0:20e070e8ecca | 54 | display.write(1, hour % 10); |
seeed | 0:20e070e8ecca | 55 | } |
seeed | 0:20e070e8ecca | 56 | display.write(2, minute / 10); |
seeed | 0:20e070e8ecca | 57 | display.write(3, minute % 10); |
seeed | 0:20e070e8ecca | 58 | } |
seeed | 0:20e070e8ecca | 59 | } |
seeed | 0:20e070e8ecca | 60 | colon = 1 - colon; |
seeed | 0:20e070e8ecca | 61 | } |
seeed | 0:20e070e8ecca | 62 | |
seeed | 0:20e070e8ecca | 63 | int main() { |
seeed | 0:20e070e8ecca | 64 | display.write(0, hour / 10); |
seeed | 0:20e070e8ecca | 65 | display.write(1, hour % 10); |
seeed | 0:20e070e8ecca | 66 | display.write(2, minute / 10); |
seeed | 0:20e070e8ecca | 67 | display.write(3, minute % 10); |
seeed | 0:20e070e8ecca | 68 | display.setColon(true); |
seeed | 0:20e070e8ecca | 69 | tick.attach(&beat, 0.5); |
seeed | 0:20e070e8ecca | 70 | while(1) { |
seeed | 0:20e070e8ecca | 71 | myled = 1; |
seeed | 0:20e070e8ecca | 72 | wait(0.5); |
seeed | 0:20e070e8ecca | 73 | myled = 0; |
seeed | 0:20e070e8ecca | 74 | wait(0.5); |
seeed | 0:20e070e8ecca | 75 | } |
seeed | 0:20e070e8ecca | 76 | } |