microbit-samples: Added a suite of basic samples
Also introduced MicroBitSamples.h as a simple, cross IDE mechanism to choose which sample to build.master
Joe Finney
parent
7a8e36db3f
commit
8f9a0bcc83
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@ -2,6 +2,10 @@
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A collection of example programs using the micro:bit runtime.
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The source folder contains a selection of samples demonstrating the capabilities and usage of the runtime APIs.
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To select a sample, edit the `MicroBitSamples.h` file in the source folder and uncomment the line matching the
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sample you wish to use. Please be sure to note that only one sample is selected at a time.
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## Overview
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The micro:bit runtime provides an easy to use environment for programming the BBC micro:bit in the C/C++ language, written by Lancaster University. It contains device drivers for all the hardware capabilities of the micro:bit, and also a suite of runtime mechanisms to make programming the micro:bit easier and more flexible. These range from control of the LED matrix display to peer-to-peer radio communication and secure Bluetooth Low Energy services. The micro:bit runtime is proudly built on the ARM mbed and Nordic nrf51 platforms.
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@ -0,0 +1,74 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2016 British Broadcasting Corporation.
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This software is provided by Lancaster University by arrangement with the BBC.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "MicroBit.h"
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#include "MicroBitSamples.h"
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#ifdef MICROBIT_SAMPLE_ACCELEROMETER_DEMO
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MicroBit uBit;
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//
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// Scales the given value that is in the -1024 to 1024 range
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// int a value between 0 and 4.
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//
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int pixel_from_g(int value)
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{
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int x = 0;
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if (value > -750)
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x++;
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if (value > -250)
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x++;
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if (value > 250)
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x++;
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if (value > 750)
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x++;
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return x;
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}
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int main()
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{
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// Initialise the micro:bit runtime.
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uBit.init();
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//
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// Periodically read the accelerometer x and y values, and plot a
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// scaled version of this ont the display.
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//
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while(1)
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{
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int x = pixel_from_g(uBit.accelerometer.getX());
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int y = pixel_from_g(uBit.accelerometer.getY());
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uBit.display.image.clear();
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uBit.display.image.setPixelValue(x, y, 255);
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uBit.sleep(100);
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}
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}
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#endif
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@ -0,0 +1,104 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2016 British Broadcasting Corporation.
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This software is provided by Lancaster University by arrangement with the BBC.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "MicroBit.h"
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#include "MicroBitSamples.h"
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#ifdef MICROBIT_SAMPLE_BUTTON_EVENTS
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MicroBit uBit;
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//
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// Print details of all events received to the serial port.
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// Default settings are 115200 baud, 8N1 over the USB interface.
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//
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void onButton(MicroBitEvent e)
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{
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if (e.source == MICROBIT_ID_BUTTON_A)
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uBit.serial.printf("BUTTON A: ");
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if (e.source == MICROBIT_ID_BUTTON_B)
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uBit.serial.printf("BUTTON B: ");
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if (e.source == MICROBIT_ID_BUTTON_AB)
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uBit.serial.printf("BUTTON A+B: ");
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if (e.source == MICROBIT_ID_IO_P0)
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uBit.serial.printf("TOUCH P0: ");
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if (e.source == MICROBIT_ID_IO_P1)
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uBit.serial.printf("TOUCH P1: ");
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if (e.source == MICROBIT_ID_IO_P2)
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uBit.serial.printf("TOUCH P2: ");
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if (e.value == MICROBIT_BUTTON_EVT_DOWN)
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uBit.serial.printf("DOWN");
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if (e.value == MICROBIT_BUTTON_EVT_UP)
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uBit.serial.printf("UP");
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if (e.value == MICROBIT_BUTTON_EVT_CLICK)
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uBit.serial.printf("CLICK");
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if (e.value == MICROBIT_BUTTON_EVT_LONG_CLICK)
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uBit.serial.printf("LONG_CLICK");
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if (e.value == MICROBIT_BUTTON_EVT_HOLD)
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uBit.serial.printf("HOLD");
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if (e.value == MICROBIT_BUTTON_EVT_DOUBLE_CLICK)
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uBit.serial.printf("DOUBLE_CLICK");
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uBit.serial.printf("\n");
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}
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int main()
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{
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// Initialise the micro:bit runtime.
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uBit.init();
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// Register to receive events when any buttons are clicked, including the A+B virtual button (both buttons at once).
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uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_EVT_ANY, onButton);
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uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_EVT_ANY, onButton);
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uBit.messageBus.listen(MICROBIT_ID_BUTTON_AB, MICROBIT_EVT_ANY, onButton);
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// Also register for touch events on P0, P1 and P2.
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uBit.messageBus.listen(MICROBIT_ID_IO_P0, MICROBIT_EVT_ANY, onButton);
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uBit.messageBus.listen(MICROBIT_ID_IO_P1, MICROBIT_EVT_ANY, onButton);
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uBit.messageBus.listen(MICROBIT_ID_IO_P2, MICROBIT_EVT_ANY, onButton);
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// Put the P0, P1 and P2 pins into touch sense mode.
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uBit.io.P0.isTouched();
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uBit.io.P1.isTouched();
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uBit.io.P2.isTouched();
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// We're done, so just enter a power efficient sleep while we wait for an event.
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while (1)
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uBit.sleep(10000);
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}
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#endif
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@ -0,0 +1,58 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2016 British Broadcasting Corporation.
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This software is provided by Lancaster University by arrangement with the BBC.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
|
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
|
||||
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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
|
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "MicroBit.h"
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#include "MicroBitSamples.h"
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#ifdef MICROBIT_SAMPLE_GREYSCALE
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MicroBit uBit;
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int main()
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{
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// Initialise the micro:bit runtime.
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uBit.init();
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// Enable per pixel rendering, with 256 level of brightness per pixel.
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uBit.display.setDisplayMode(DISPLAY_MODE_GREYSCALE);
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// Draw a rainbow brightness effect across the display
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int value = 1;
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for(int j = 0; j < 5; j++)
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{
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for(int i = 0; i < 5; i++)
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{
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uBit.display.image.setPixelValue(i,j,value);
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value += 10;
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}
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}
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// Nothing else to do, so enter a power efficient sleep.
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while(1)
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uBit.sleep(10000);
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}
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#endif
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@ -24,6 +24,9 @@ DEALINGS IN THE SOFTWARE.
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*/
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#include "MicroBit.h"
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#include "MicroBitSamples.h"
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#ifdef MICROBIT_SAMPLE_HELLO_WORLD
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MicroBit uBit;
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@ -40,3 +43,5 @@ int main()
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// sit in the idle task forever, in a power efficient sleep.
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release_fiber();
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}
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#endif
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@ -0,0 +1,168 @@
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/*
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The MIT License (MIT)
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Copyright (c) 2016 British Broadcasting Corporation.
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This software is provided by Lancaster University by arrangement with the BBC.
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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||||
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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||||
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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DEALINGS IN THE SOFTWARE.
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*/
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#include "MicroBit.h"
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#include "MicroBitSamples.h"
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#ifdef MICROBIT_SAMPLE_LOGIC_GATES
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#define LOGIC_MODE_NOT 1
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#define LOGIC_MODE_AND 2
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#define LOGIC_MODE_OR 3
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#define LOGIC_MODE_OUTPUT 4
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#define LOGIC_MODE_MIN 1
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#define LOGIC_MODE_MAX 4
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#define TOOL_SELECT_DELAY 1000
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MicroBit uBit;
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MicroBitImage NOT("\
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0 0 1 0 0\n\
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0 0 1 1 0\n\
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1 1 1 1 1\n\
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0 0 1 1 0\n\
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0 0 1 0 0\n");
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MicroBitImage AND("\
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0 0 1 1 0\n\
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1 1 1 1 1\n\
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0 0 1 1 1\n\
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1 1 1 1 1\n\
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0 0 1 1 0\n");
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MicroBitImage OR("\
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0 0 0 1 0\n\
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1 1 1 1 1\n\
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0 0 0 1 1\n\
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1 1 1 1 1\n\
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0 0 0 1 0\n");
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MicroBitImage OUTPUT_ON("\
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0 1 1 1 0\n\
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1 1 1 1 1\n\
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1 1 1 1 1\n\
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1 1 1 1 1\n\
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0 1 1 1 0\n");
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MicroBitImage OUTPUT_OFF("\
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0 1 1 1 0\n\
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1 0 0 0 1\n\
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1 0 0 0 1\n\
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1 0 0 0 1\n\
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0 1 1 1 0\n");
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int mode = LOGIC_MODE_NOT;
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void onShake(MicroBitEvent)
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{
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// The micro:bit has been shaken, so move on to the next logic gate.
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mode++;
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// Wrap back to the start if necessary.
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if (mode > LOGIC_MODE_MAX)
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mode = LOGIC_MODE_MIN;
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// Update the display to
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switch (mode)
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{
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case LOGIC_MODE_NOT:
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uBit.display.print(NOT);
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break;
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case LOGIC_MODE_AND:
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uBit.display.print(AND);
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break;
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case LOGIC_MODE_OR:
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uBit.display.print(OR);
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break;
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case LOGIC_MODE_OUTPUT:
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uBit.display.print(OUTPUT_OFF);
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break;
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}
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}
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int main()
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{
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// Initialise the micro:bit runtime.
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uBit.init();
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// Register to receive events when the micro:bit is shaken.
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uBit.messageBus.listen(MICROBIT_ID_GESTURE, MICROBIT_ACCELEROMETER_EVT_SHAKE, onShake);
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//
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// Create a simple logic gate simulator, using the P0, P1 and P2 pins.
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// The micro:bit can then be configured as an NOT / AND / OR gate, by shaking the device.
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//
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int output = 0;
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// Our icons are drawn left to right, so rotate the display so the outputs point at the pins on the edge connector. :-)
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uBit.display.rotateTo(MICROBIT_DISPLAY_ROTATION_270);
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while (1)
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{
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// Check inputs and update outputs accordingly.
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switch (mode)
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{
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int o1;
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int o2;
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case LOGIC_MODE_NOT:
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output = uBit.buttonA.isPressed() ? 0 : !uBit.io.P0.getDigitalValue();
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uBit.display.print(NOT);
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break;
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case LOGIC_MODE_AND:
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o1 = uBit.buttonA.isPressed() || uBit.io.P0.getDigitalValue();
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o2 = uBit.buttonB.isPressed() || uBit.io.P1.getDigitalValue();
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output = o1 && o2;
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break;
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case LOGIC_MODE_OR:
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output = uBit.buttonA.isPressed() || uBit.io.P0.getDigitalValue() || uBit.buttonB.isPressed() || uBit.io.P1.getDigitalValue();
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break;
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case LOGIC_MODE_OUTPUT:
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if (uBit.io.P0.getDigitalValue())
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uBit.display.print(OUTPUT_ON);
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else
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uBit.display.print(OUTPUT_OFF);
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output = 0;
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break;
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}
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// Update output pin value
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uBit.io.P2.setDigitalValue(output);
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// Perform a power efficient sleep for a little while. No need to run too quickly!
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uBit.sleep(1000);
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}
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}
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#endif
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@ -0,0 +1,66 @@
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/*
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The MIT License (MIT)
|
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|
||||
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.
|
||||
*/
|
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#ifndef MICROBIT_SAMPLES_H
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#define MICROBIT_SAMPLES_H
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//
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// Uncomment ONE of the following #defines to select which sample to build.
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// Afterwards, save this file and build the project. The resulting HEX
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// file will contain your chosen sample.
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//
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//
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// Introductory examples using the uBit object.
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//
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//#define MICROBIT_SAMPLE_HELLO_WORLD
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//#define MICROBIT_SAMPLE_ACCELEROMETER_DEMO
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//#define MICROBIT_SAMPLE_BUTTON_EVENTS
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//#define MICROBIT_SAMPLE_SIMPLE_ANIMATION
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#define MICROBIT_SAMPLE_GREYSCALE
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//#define MICROBIT_SAMPLE_LOGIC_GATES
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//#define MICROBIT_SAMPLE_SNAKE
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//
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||||
// Examples using MicroBitRadio.
|
||||
//
|
||||
// n.b. you MUST disable the BLE stack to run these samples.
|
||||
// Do this by setting "#define MICROBIT_BLE_ENABLED 0" in your MicroBitConfig.h file.
|
||||
//
|
||||
// For yotta based environments this file is located at:
|
||||
// "yotta_modules/microbit-dal/inc/core/MicroBitConfig.h"
|
||||
//
|
||||
// For project compiling on mbed.org, it is located at:
|
||||
// "microbit/microbit-dal/inc/core/MicroBitConfig.h"
|
||||
//
|
||||
|
||||
//#define MICROBIT_SAMPLE_SIMPLE_RADIO_TX
|
||||
//#define MICROBIT_SAMPLE_SIMPLE_RADIO_RX
|
||||
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,45 @@
|
|||
/*
|
||||
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 "MicroBitSamples.h"
|
||||
|
||||
#ifdef MICROBIT_SAMPLE_SIMPLE_ANIMATION
|
||||
|
||||
MicroBit uBit;
|
||||
|
||||
int main()
|
||||
{
|
||||
// Initialise the micro:bit runtime.
|
||||
uBit.init();
|
||||
|
||||
// Setup a simple triangular waveform.
|
||||
MicroBitImage img("1 0 0 0 0 0 0 0 0 1\n0 1 0 0 0 0 0 0 1 0\n0 0 1 0 0 0 0 1 0 0\n0 0 0 1 0 0 1 0 0 0\n0 0 0 0 1 1 0 0 0 0\n");
|
||||
|
||||
while(1)
|
||||
uBit.display.scroll(img, 80, -1);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,56 @@
|
|||
/*
|
||||
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 "MicroBitSamples.h"
|
||||
|
||||
#ifdef MICROBIT_SAMPLE_SIMPLE_RADIO_RX
|
||||
|
||||
MicroBit uBit;
|
||||
|
||||
void onData(MicroBitEvent)
|
||||
{
|
||||
ManagedString s = uBit.radio.datagram.recv();
|
||||
|
||||
if (s == "1")
|
||||
uBit.display.print("A");
|
||||
|
||||
if (s == "2")
|
||||
uBit.display.print("B");
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
// Initialise the micro:bit runtime.
|
||||
uBit.init();
|
||||
|
||||
uBit.messageBus.listen(MICROBIT_ID_RADIO, MICROBIT_RADIO_EVT_DATAGRAM, onData);
|
||||
uBit.radio.enable();
|
||||
|
||||
while(1)
|
||||
uBit.sleep(1000);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,52 @@
|
|||
/*
|
||||
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 "MicroBitSamples.h"
|
||||
|
||||
#ifdef MICROBIT_SAMPLE_SIMPLE_RADIO_TX
|
||||
|
||||
MicroBit uBit;
|
||||
|
||||
int main()
|
||||
{
|
||||
// Initialise the micro:bit runtime.
|
||||
uBit.init();
|
||||
uBit.radio.enable();
|
||||
|
||||
while(1)
|
||||
{
|
||||
if (uBit.buttonA.isPressed())
|
||||
uBit.radio.datagram.send("1");
|
||||
|
||||
else if (uBit.buttonB.isPressed())
|
||||
uBit.radio.datagram.send("2");
|
||||
|
||||
uBit.sleep(100);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
#endif
|
||||
|
|
@ -0,0 +1,206 @@
|
|||
/*
|
||||
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 "MicroBitSamples.h"
|
||||
|
||||
#ifdef MICROBIT_SAMPLE_SNAKE
|
||||
|
||||
#define SNAKE_EMPTY 0
|
||||
#define SNAKE_UP 1
|
||||
#define SNAKE_LEFT 2
|
||||
#define SNAKE_RIGHT 3
|
||||
#define SNAKE_DOWN 4
|
||||
|
||||
#define SNAKE_FRAME_DELAY 350
|
||||
#define GROWTH_SPEED 3
|
||||
|
||||
struct Point
|
||||
{
|
||||
int x;
|
||||
int y;
|
||||
};
|
||||
|
||||
MicroBit uBit;
|
||||
Point head; // Location of the head of our snake.
|
||||
Point tail; // Location of the tail of our snake.
|
||||
Point food; // Location of food.
|
||||
MicroBitImage map(5,5);
|
||||
|
||||
void place_food()
|
||||
{
|
||||
int r = uBit.random(24);
|
||||
int x = 0; int y = 0;
|
||||
|
||||
while (r > 0)
|
||||
{
|
||||
x = (x+1) % 5;
|
||||
if (x == 0)
|
||||
y = (y+1) % 5;
|
||||
|
||||
if(map.getPixelValue(x,y) == SNAKE_EMPTY)
|
||||
r--;
|
||||
}
|
||||
|
||||
food.x = x;
|
||||
food.y = y;
|
||||
}
|
||||
|
||||
void snake()
|
||||
{
|
||||
Point newHead; // Calculated placement of new head position based on user input.
|
||||
int hdirection; // Head's direction of travel
|
||||
int tdirection; // Tail's direction of travel
|
||||
int snakeLength; // number of segments in the snake.
|
||||
int growing; // boolean state indicating if we've just eaten some food.
|
||||
int score;
|
||||
|
||||
// Start in the middle of the screen.
|
||||
tail.x = tail.y = 2;
|
||||
head.x = head.y = 2;
|
||||
snakeLength = 1;
|
||||
growing = 0;
|
||||
score = 0;
|
||||
map.clear();
|
||||
|
||||
uBit.display.image.setPixelValue(head.x, head.y, 255);
|
||||
|
||||
// Add some random food.
|
||||
place_food();
|
||||
|
||||
while (1)
|
||||
{
|
||||
// Flash the food is necessary;
|
||||
uBit.display.image.setPixelValue(food.x, food.y, uBit.systemTime() % 1000 < 500 ? 0 : 255);
|
||||
|
||||
int dx = uBit.accelerometer.getX();
|
||||
int dy = uBit.accelerometer.getY();
|
||||
|
||||
newHead.x = head.x;
|
||||
newHead.y = head.y;
|
||||
|
||||
if (abs(dx) > abs(dy))
|
||||
{
|
||||
if(dx < 0)
|
||||
{
|
||||
hdirection = SNAKE_LEFT;
|
||||
newHead.x = newHead.x == 0 ? 4 : newHead.x-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
hdirection = SNAKE_RIGHT;
|
||||
newHead.x = newHead.x == 4 ? 0 : newHead.x+1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
if(dy < 0)
|
||||
{
|
||||
hdirection = SNAKE_UP;
|
||||
newHead.y = newHead.y == 0 ? 4 : newHead.y-1;
|
||||
}
|
||||
else
|
||||
{
|
||||
hdirection = SNAKE_DOWN;
|
||||
newHead.y = newHead.y == 4 ? 0 : newHead.y+1;
|
||||
}
|
||||
}
|
||||
|
||||
int status = map.getPixelValue(newHead.x, newHead.y);
|
||||
if (status == SNAKE_UP || status == SNAKE_DOWN || status == SNAKE_LEFT || status == SNAKE_RIGHT)
|
||||
{
|
||||
uBit.display.scroll("GAME OVER! SCORE: ");
|
||||
uBit.display.scroll(score);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
// move the head.
|
||||
map.setPixelValue(head.x, head.y, hdirection);
|
||||
uBit.display.image.setPixelValue(newHead.x, newHead.y, 255);
|
||||
|
||||
if (growing == GROWTH_SPEED)
|
||||
{
|
||||
growing = 0;
|
||||
snakeLength++;
|
||||
}
|
||||
else
|
||||
{
|
||||
// move the tail.
|
||||
tdirection = map.getPixelValue(tail.x,tail.y);
|
||||
map.setPixelValue(tail.x, tail.y, SNAKE_EMPTY);
|
||||
uBit.display.image.setPixelValue(tail.x, tail.y, 0);
|
||||
|
||||
// Move our record of the tail's location.
|
||||
if (snakeLength == 1)
|
||||
{
|
||||
tail.x = newHead.x;
|
||||
tail.y = newHead.y;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (tdirection == SNAKE_UP)
|
||||
tail.y = tail.y == 0 ? 4 : tail.y-1;
|
||||
|
||||
if (tdirection == SNAKE_DOWN)
|
||||
tail.y = tail.y == 4 ? 0 : tail.y+1;
|
||||
|
||||
if (tdirection == SNAKE_LEFT)
|
||||
tail.x = tail.x == 0 ? 4 : tail.x-1;
|
||||
|
||||
if (tdirection == SNAKE_RIGHT)
|
||||
tail.x = tail.x == 4 ? 0 : tail.x+1;
|
||||
}
|
||||
}
|
||||
|
||||
// Update our record of the head location and away we go!
|
||||
head.x = newHead.x;
|
||||
head.y = newHead.y;
|
||||
|
||||
// if we've eaten some food, replace the food and grow ourselves!
|
||||
if (head.x == food.x && head.y == food.y)
|
||||
{
|
||||
growing++;
|
||||
score++;
|
||||
place_food();
|
||||
}
|
||||
|
||||
uBit.sleep(SNAKE_FRAME_DELAY);
|
||||
}
|
||||
}
|
||||
|
||||
int main()
|
||||
{
|
||||
// Initialise the micro:bit runtime.
|
||||
uBit.init();
|
||||
|
||||
// Insert your code here!
|
||||
uBit.display.scroll("SNAKE v1.0");
|
||||
|
||||
while(1)
|
||||
snake();
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue