example using DS3234 RTC connected to BBC micro:bit using SPI
Diff: main.cpp
- Revision:
- 0:d5fb8cef7c31
- Child:
- 1:c740bf7f5c59
diff -r 000000000000 -r d5fb8cef7c31 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Fri May 11 09:37:45 2018 +0000 @@ -0,0 +1,72 @@ +/* +The MIT License (MIT) + +Copyright (c) 2016 British Broadcasting Corporation. +This software is provided by Lancaster University by arrangement with the BBC. + +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 "MicroBit.h" +#include "SparkFunDS3234RTC.h" + +MicroBit uBit; +DS3234 rtcDS3234; + +void displayTime(){ + rtcDS3234.update(); + uBit.display.scroll(rtcDS3234.hour()); + uBit.display.scroll(":"); + uBit.display.scroll(rtcDS3234.minute()); + uBit.display.scroll(":"); + uBit.display.scroll(rtcDS3234.second()); +} + +void onButtonB(MicroBitEvent e) +{ + displayTime(); +} + +void onButtonA(MicroBitEvent e) +{ + while (true) { + displayTime(); + uBit.sleep(60000); + } +} + +int main() +{ + // Initialise the micro:bit runtime. + uBit.init(); + + // Insert your code here! + uBit.display.scroll("init"); + + rtcDS3234.begin(&uBit.io.P16, &uBit); + uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButtonA); + uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButtonB); + uBit.display.scroll("rdy"); + + // If main exits, there may still be other fibers running or registered event handlers etc. + // Simply release this fiber, which will mean we enter the scheduler. Worse case, we then + // sit in the idle task forever, in a power efficient sleep. + release_fiber(); +} +