Michael Hewitt / microbit-hello-world2

elementary serial print using the external IO breakout board and PL2303

Dependencies:   microbit

main.cpp@9:ea84b7a3e23f, 2020-01-02 (annotated)

Committer:
matrixmike
Date:
Thu Jan 02 11:49:41 2020 +0000
Revision:
9:ea84b7a3e23f
Parent:
8:49fe8894d28d 
Baud rate changed for Brother EP44. Max rate is 1200.

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 5:71c91969b507 25 #include "MicroBit.h"
matrixmike 5:71c91969b507 26 MicroBit uBit;
matrixmike 5:71c91969b507 27 MicroBitSerial serial(USBTX, USBRX);
matrixmike 5:71c91969b507 28 int main()
matrixmike 5:71c91969b507 29 {
matrixmike 5:71c91969b507 30 uBit.init();
matrixmike 8:49fe8894d28d 31 /* int sendChar(char c);
matrixmike 8:49fe8894d28d 32 int send(ManagedString s);
matrixmike 8:49fe8894d28d 33 */
matrixmike 7:6be360dd949a 34 int c;
matrixmike 8:49fe8894d28d 35
matrixmike 7:6be360dd949a 36 c = 'c';
matrixmike 5:71c91969b507 37 serial.format(8,mbed::RawSerial::None,2);
matrixmike 9:ea84b7a3e23f 38 serial.baud(1200); // changed to transmit to Brother EP44
matrixmike 5:71c91969b507 39 serial.redirect(MICROBIT_PIN_P1, MICROBIT_PIN_P2); // tx,rx
matrixmike 5:71c91969b507 40 serial.send("A\r\n");
matrixmike 8:49fe8894d28d 41 // c=uBit.serial.read(ASYNC);
matrixmike 8:49fe8894d28d 42 for (int x = 0; x < 100; x++) {
matrixmike 8:49fe8894d28d 43 serial.send("B"); // was serial.send("A\r\n");
matrixmike 7:6be360dd949a 44 serial.send(char(c));
matrixmike 8:49fe8894d28d 45 // serial.send(s);
matrixmike 8:49fe8894d28d 46 // c=uBit.serial.read(ASYNC);
matrixmike 5:71c91969b507 47 }
matrixmike 5:71c91969b507 48 release_fiber();
matrixmike 5:71c91969b507 49 }
matrixmike 0:782954b320bb 50
matrixmike 5:71c91969b507 51 // .........
matrixmike 5:71c91969b507 52 //#include "MicroBit.h"
matrixmike 5:71c91969b507 53 //#include "mbed.h"
matrixmike 5:71c91969b507 54 /*
matrixmike 0:782954b320bb 55 Serial pc(USBTX, USBRX);
matrixmike 0:782954b320bb 56 MicroBit uBit;
matrixmike 5:71c91969b507 57 MicroBitSerial serial(USBTX, USBRX);
matrixmike 0:782954b320bb 58 int main()
matrixmike 0:782954b320bb 59 {
matrixmike 4:c0f36c59d853 60 Serial pc(USBTX, USBRX);
matrixmike 0:782954b320bb 61 // Initialise the micro:bit runtime.
matrixmike 0:782954b320bb 62 uBit.init();
matrixmike 5:71c91969b507 63 serial.baud(9600);
matrixmike 0:782954b320bb 64 for ( int x = 2; x < 14; x++) {
matrixmike 0:782954b320bb 65 pc.printf("Hello World on a Friday\n\r");
matrixmike 1:c180896f50ce 66 pc.printf("Hello World on a %d Friday\n\r", x );
matrixmike 1:c180896f50ce 67 pc.printf("Hello World on a %c Friday\n\r", '%' );
matrixmike 5:71c91969b507 68 uBit.display.scroll("HELLO WORLD! 2:)");
matrixmike 0:782954b320bb 69 }
matrixmike 0:782954b320bb 70
matrixmike 0:782954b320bb 71 // If main exits, there may still be other fibers running or registered event handlers etc.
matrixmike 0:782954b320bb 72 // Simply release this fiber, which will mean we enter the scheduler. Worse case, we then
matrixmike 0:782954b320bb 73 // sit in the idle task forever, in a power efficient sleep.
matrixmike 0:782954b320bb 74 release_fiber();
matrixmike 0:782954b320bb 75 }
matrixmike 5:71c91969b507 76 */
matrixmike 0:782954b320bb 77 // Print "Hello World" to the PC
matrixmike 0:782954b320bb 78 /*
matrixmike 0:782954b320bb 79 #include "mbed.h"
matrixmike 0:782954b320bb 80
matrixmike 0:782954b320bb 81 Serial pc(USBTX, USBRX);
matrixmike 0:782954b320bb 82
matrixmike 0:782954b320bb 83 int main() {
matrixmike 0:782954b320bb 84 pc.printf("Hello World\n");
matrixmike 0:782954b320bb 85 }
matrixmike 0:782954b320bb 86 */