Diff: main.cpp

Revision:

0:f046525e6f7c

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 30 02:01:52 2019 +0000
@@ -0,0 +1,90 @@
+/*
+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"
+MicroBit uBit;
+//MicroBitImage field("0,0,0,0,0\n0,0,0,0,0\n0,0,0,0,0\n0,0,0,0,0\n0,0,0,0,0\n");
+int x = 0;
+int y = 0;
+int b = 255;
+
+
+void iniDisplay(){
+    x = uBit.random(5);
+    y = uBit.random(5);
+    uBit.display.image.setPixelValue(x,y,b);
+}
+
+void onButtonA(MicroBitEvent e){
+    if( x == 0){
+        x = 4;
+    } else {
+        x -= 1;
+    }
+    uBit.display.image.clear();
+    uBit.display.image.setPixelValue(x,y,b);
+}
+
+void onButtonB(MicroBitEvent e){
+    if( x == 4){
+        x = 0;
+    } else {
+        x += 1;
+    }
+    uBit.display.image.clear();
+    uBit.display.image.setPixelValue(x,y,b);
+}
+
+void onButtonAB(MicroBitEvent e){
+    if( y == 0){
+        y = 4;
+    } else {
+        y -= 1;
+    }
+    uBit.display.image.clear();
+    uBit.display.image.setPixelValue(x,y,b);
+}
+    
+    
+
+int main()
+{
+    // Initialise the micro:bit runtime.
+    uBit.init();
+    uBit.display.setDisplayMode(DISPLAY_MODE_GREYSCALE);
+    iniDisplay();
+    
+    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.messageBus.listen(MICROBIT_ID_BUTTON_AB, MICROBIT_BUTTON_EVT_CLICK, onButtonAB);
+
+    
+
+    // 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();
+}
+