Using C/C++, program reads temperature and displays in Celsius if button A is pressed or Fahrenheit if button B is pressed. Uses radio to transmit temp to a second MicroBit
main.cpp@0:b43412199f81, 2019-11-26 (annotated)
- Committer:
- tsfarber
- Date:
- Tue Nov 26 22:34:14 2019 +0000
- Revision:
- 0:b43412199f81
Tested and verified working
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
tsfarber | 0:b43412199f81 | 1 | /* |
tsfarber | 0:b43412199f81 | 2 | The MIT License (MIT) |
tsfarber | 0:b43412199f81 | 3 | |
tsfarber | 0:b43412199f81 | 4 | Copyright (c) 2016 British Broadcasting Corporation. |
tsfarber | 0:b43412199f81 | 5 | This software is provided by Lancaster University by arrangement with the BBC. |
tsfarber | 0:b43412199f81 | 6 | |
tsfarber | 0:b43412199f81 | 7 | Permission is hereby granted, free of charge, to any person obtaining a |
tsfarber | 0:b43412199f81 | 8 | copy of this software and associated documentation files (the "Software"), |
tsfarber | 0:b43412199f81 | 9 | to deal in the Software without restriction, including without limitation |
tsfarber | 0:b43412199f81 | 10 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
tsfarber | 0:b43412199f81 | 11 | and/or sell copies of the Software, and to permit persons to whom the |
tsfarber | 0:b43412199f81 | 12 | Software is furnished to do so, subject to the following conditions: |
tsfarber | 0:b43412199f81 | 13 | |
tsfarber | 0:b43412199f81 | 14 | The above copyright notice and this permission notice shall be included in |
tsfarber | 0:b43412199f81 | 15 | all copies or substantial portions of the Software. |
tsfarber | 0:b43412199f81 | 16 | |
tsfarber | 0:b43412199f81 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
tsfarber | 0:b43412199f81 | 18 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
tsfarber | 0:b43412199f81 | 19 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
tsfarber | 0:b43412199f81 | 20 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
tsfarber | 0:b43412199f81 | 21 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
tsfarber | 0:b43412199f81 | 22 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
tsfarber | 0:b43412199f81 | 23 | DEALINGS IN THE SOFTWARE. |
tsfarber | 0:b43412199f81 | 24 | */ |
tsfarber | 0:b43412199f81 | 25 | |
tsfarber | 0:b43412199f81 | 26 | #include "MicroBit.h" |
tsfarber | 0:b43412199f81 | 27 | |
tsfarber | 0:b43412199f81 | 28 | MicroBitStorage storage; |
tsfarber | 0:b43412199f81 | 29 | MicroBitThermometer thermometer(storage); |
tsfarber | 0:b43412199f81 | 30 | MicroBit uBit; |
tsfarber | 0:b43412199f81 | 31 | |
tsfarber | 0:b43412199f81 | 32 | float tempC; |
tsfarber | 0:b43412199f81 | 33 | float tempF; |
tsfarber | 0:b43412199f81 | 34 | char tempToShare[6]; |
tsfarber | 0:b43412199f81 | 35 | |
tsfarber | 0:b43412199f81 | 36 | |
tsfarber | 0:b43412199f81 | 37 | void onData(MicroBitEvent) |
tsfarber | 0:b43412199f81 | 38 | { |
tsfarber | 0:b43412199f81 | 39 | while(onData != 0){ |
tsfarber | 0:b43412199f81 | 40 | ManagedString s = uBit.radio.datagram.recv(); |
tsfarber | 0:b43412199f81 | 41 | uBit.display.scroll(s); |
tsfarber | 0:b43412199f81 | 42 | |
tsfarber | 0:b43412199f81 | 43 | } |
tsfarber | 0:b43412199f81 | 44 | } |
tsfarber | 0:b43412199f81 | 45 | |
tsfarber | 0:b43412199f81 | 46 | |
tsfarber | 0:b43412199f81 | 47 | |
tsfarber | 0:b43412199f81 | 48 | int main() |
tsfarber | 0:b43412199f81 | 49 | { |
tsfarber | 0:b43412199f81 | 50 | // Initialise the micro:bit runtime. |
tsfarber | 0:b43412199f81 | 51 | uBit.init(); |
tsfarber | 0:b43412199f81 | 52 | uBit.radio.enable(); |
tsfarber | 0:b43412199f81 | 53 | |
tsfarber | 0:b43412199f81 | 54 | |
tsfarber | 0:b43412199f81 | 55 | uBit.messageBus.listen(MICROBIT_ID_RADIO, MICROBIT_RADIO_EVT_DATAGRAM, onData); |
tsfarber | 0:b43412199f81 | 56 | |
tsfarber | 0:b43412199f81 | 57 | |
tsfarber | 0:b43412199f81 | 58 | while(1) |
tsfarber | 0:b43412199f81 | 59 | { |
tsfarber | 0:b43412199f81 | 60 | if (uBit.buttonA.isPressed()) |
tsfarber | 0:b43412199f81 | 61 | { |
tsfarber | 0:b43412199f81 | 62 | tempC = thermometer.getTemperature(); |
tsfarber | 0:b43412199f81 | 63 | sprintf(tempToShare,"%0.1f",tempC); |
tsfarber | 0:b43412199f81 | 64 | uBit.display.scroll(tempToShare); |
tsfarber | 0:b43412199f81 | 65 | uBit.sleep(200); |
tsfarber | 0:b43412199f81 | 66 | uBit.display.print('C'); |
tsfarber | 0:b43412199f81 | 67 | uBit.radio.datagram.send(tempToShare); |
tsfarber | 0:b43412199f81 | 68 | uBit.sleep(1000); |
tsfarber | 0:b43412199f81 | 69 | uBit.display.clear(); |
tsfarber | 0:b43412199f81 | 70 | |
tsfarber | 0:b43412199f81 | 71 | } |
tsfarber | 0:b43412199f81 | 72 | else if (uBit.buttonB.isPressed()) |
tsfarber | 0:b43412199f81 | 73 | { |
tsfarber | 0:b43412199f81 | 74 | tempC = thermometer.getTemperature(); |
tsfarber | 0:b43412199f81 | 75 | tempF = (int)((tempC*1.8)+32); |
tsfarber | 0:b43412199f81 | 76 | sprintf(tempToShare,"%0.1f",tempF); |
tsfarber | 0:b43412199f81 | 77 | uBit.display.scroll(tempToShare); |
tsfarber | 0:b43412199f81 | 78 | uBit.sleep(200); |
tsfarber | 0:b43412199f81 | 79 | uBit.display.print('F'); |
tsfarber | 0:b43412199f81 | 80 | uBit.radio.datagram.send(tempToShare); |
tsfarber | 0:b43412199f81 | 81 | uBit.sleep(1000); |
tsfarber | 0:b43412199f81 | 82 | uBit.display.clear(); |
tsfarber | 0:b43412199f81 | 83 | |
tsfarber | 0:b43412199f81 | 84 | } |
tsfarber | 0:b43412199f81 | 85 | uBit.sleep(100); |
tsfarber | 0:b43412199f81 | 86 | } |
tsfarber | 0:b43412199f81 | 87 | } |
tsfarber | 0:b43412199f81 | 88 |