Michael Hewitt / microbit-hello-world2

elementary serial print using the external IO breakout board and PL2303

Dependencies:   microbit

main.cpp@1:c180896f50ce, 2019-10-18 (annotated)

Committer:
matrixmike
Date:
Fri Oct 18 08:22:34 2019 +0000
Revision:
1:c180896f50ce
Parent:
0:782954b320bb
Child:
2:b3fbc276081a
testing features of the slim version of printf

Who changed what in which revision?

UserRevisionLine numberNew contents of line
matrixmike 0:782954b320bb 1 /*
matrixmike 0:782954b320bb 2 The MIT License (MIT)
matrixmike 0:782954b320bb 3
matrixmike 0:782954b320bb 4 Copyright (c) 2016 British Broadcasting Corporation.
matrixmike 0:782954b320bb 5 This software is provided by Lancaster University by arrangement with the BBC.
matrixmike 0:782954b320bb 6
matrixmike 0:782954b320bb 7 Permission is hereby granted, free of charge, to any person obtaining a
matrixmike 0:782954b320bb 8 copy of this software and associated documentation files (the "Software"),
matrixmike 0:782954b320bb 9 to deal in the Software without restriction, including without limitation
matrixmike 0:782954b320bb 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
matrixmike 0:782954b320bb 11 and/or sell copies of the Software, and to permit persons to whom the
matrixmike 0:782954b320bb 12 Software is furnished to do so, subject to the following conditions:
matrixmike 0:782954b320bb 13
matrixmike 0:782954b320bb 14 The above copyright notice and this permission notice shall be included in
matrixmike 0:782954b320bb 15 all copies or substantial portions of the Software.
matrixmike 0:782954b320bb 16
matrixmike 0:782954b320bb 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
matrixmike 0:782954b320bb 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
matrixmike 0:782954b320bb 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
matrixmike 0:782954b320bb 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
matrixmike 0:782954b320bb 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
matrixmike 0:782954b320bb 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
matrixmike 0:782954b320bb 23 DEALINGS IN THE SOFTWARE.
matrixmike 0:782954b320bb 24 */
matrixmike 0:782954b320bb 25
matrixmike 0:782954b320bb 26 #include "MicroBit.h"
matrixmike 0:782954b320bb 27 #include "mbed.h"
matrixmike 0:782954b320bb 28
matrixmike 0:782954b320bb 29 Serial pc(USBTX, USBRX);
matrixmike 0:782954b320bb 30 MicroBit uBit;
matrixmike 0:782954b320bb 31
matrixmike 0:782954b320bb 32 int main()
matrixmike 0:782954b320bb 33 {
matrixmike 0:782954b320bb 34 // Initialise the micro:bit runtime.
matrixmike 0:782954b320bb 35 uBit.init();
matrixmike 0:782954b320bb 36 for ( int x = 2; x < 14; x++) {
matrixmike 0:782954b320bb 37 pc.printf("Hello World on a Friday\n\r");
matrixmike 1:c180896f50ce 38 pc.printf("Hello World on a %d Friday\n\r", x );
matrixmike 1:c180896f50ce 39 pc.printf("Hello World on a %c Friday\n\r", '%' );
matrixmike 0:782954b320bb 40 // Insert your code here!
matrixmike 0:782954b320bb 41 }
matrixmike 0:782954b320bb 42 uBit.display.scroll("HELLO WORLD! :)");
matrixmike 0:782954b320bb 43
matrixmike 0:782954b320bb 44 // If main exits, there may still be other fibers running or registered event handlers etc.
matrixmike 0:782954b320bb 45 // Simply release this fiber, which will mean we enter the scheduler. Worse case, we then
matrixmike 0:782954b320bb 46 // sit in the idle task forever, in a power efficient sleep.
matrixmike 0:782954b320bb 47 release_fiber();
matrixmike 0:782954b320bb 48 }
matrixmike 0:782954b320bb 49 // Print "Hello World" to the PC
matrixmike 0:782954b320bb 50 /*
matrixmike 0:782954b320bb 51 #include "mbed.h"
matrixmike 0:782954b320bb 52
matrixmike 0:782954b320bb 53 Serial pc(USBTX, USBRX);
matrixmike 0:782954b320bb 54
matrixmike 0:782954b320bb 55 int main() {
matrixmike 0:782954b320bb 56 pc.printf("Hello World\n");
matrixmike 0:782954b320bb 57 }
matrixmike 0:782954b320bb 58 */