Neil Johnson
Official Sheffield ARMBand micro:bit program
microbit/inc/MicroBit.h@0:b9164b348919, 2016-10-17 (annotated)
- Committer:
- MrBedfordVan
- Date:
- Mon Oct 17 12:41:20 2016 +0000
- Revision:
- 0:b9164b348919
Official Sheffield ARMBand Micro:bit program
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| MrBedfordVan | 0:b9164b348919 | 1 | /* |
| MrBedfordVan | 0:b9164b348919 | 2 | The MIT License (MIT) |
| MrBedfordVan | 0:b9164b348919 | 3 | |
| MrBedfordVan | 0:b9164b348919 | 4 | Copyright (c) 2016 British Broadcasting Corporation. |
| MrBedfordVan | 0:b9164b348919 | 5 | This software is provided by Lancaster University by arrangement with the BBC. |
| MrBedfordVan | 0:b9164b348919 | 6 | |
| MrBedfordVan | 0:b9164b348919 | 7 | Permission is hereby granted, free of charge, to any person obtaining a |
| MrBedfordVan | 0:b9164b348919 | 8 | copy of this software and associated documentation files (the "Software"), |
| MrBedfordVan | 0:b9164b348919 | 9 | to deal in the Software without restriction, including without limitation |
| MrBedfordVan | 0:b9164b348919 | 10 | the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| MrBedfordVan | 0:b9164b348919 | 11 | and/or sell copies of the Software, and to permit persons to whom the |
| MrBedfordVan | 0:b9164b348919 | 12 | Software is furnished to do so, subject to the following conditions: |
| MrBedfordVan | 0:b9164b348919 | 13 | |
| MrBedfordVan | 0:b9164b348919 | 14 | The above copyright notice and this permission notice shall be included in |
| MrBedfordVan | 0:b9164b348919 | 15 | all copies or substantial portions of the Software. |
| MrBedfordVan | 0:b9164b348919 | 16 | |
| MrBedfordVan | 0:b9164b348919 | 17 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| MrBedfordVan | 0:b9164b348919 | 18 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| MrBedfordVan | 0:b9164b348919 | 19 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| MrBedfordVan | 0:b9164b348919 | 20 | THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| MrBedfordVan | 0:b9164b348919 | 21 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| MrBedfordVan | 0:b9164b348919 | 22 | FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| MrBedfordVan | 0:b9164b348919 | 23 | DEALINGS IN THE SOFTWARE. |
| MrBedfordVan | 0:b9164b348919 | 24 | */ |
| MrBedfordVan | 0:b9164b348919 | 25 | |
| MrBedfordVan | 0:b9164b348919 | 26 | #ifndef MICROBIT_H |
| MrBedfordVan | 0:b9164b348919 | 27 | #define MICROBIT_H |
| MrBedfordVan | 0:b9164b348919 | 28 | |
| MrBedfordVan | 0:b9164b348919 | 29 | #include "mbed.h" |
| MrBedfordVan | 0:b9164b348919 | 30 | |
| MrBedfordVan | 0:b9164b348919 | 31 | #include "MicroBitConfig.h" |
| MrBedfordVan | 0:b9164b348919 | 32 | #include "MicroBitHeapAllocator.h" |
| MrBedfordVan | 0:b9164b348919 | 33 | #include "MicroBitDevice.h" |
| MrBedfordVan | 0:b9164b348919 | 34 | #include "ErrorNo.h" |
| MrBedfordVan | 0:b9164b348919 | 35 | #include "MicroBitSystemTimer.h" |
| MrBedfordVan | 0:b9164b348919 | 36 | #include "Matrix4.h" |
| MrBedfordVan | 0:b9164b348919 | 37 | #include "MicroBitCompat.h" |
| MrBedfordVan | 0:b9164b348919 | 38 | #include "MicroBitComponent.h" |
| MrBedfordVan | 0:b9164b348919 | 39 | #include "ManagedType.h" |
| MrBedfordVan | 0:b9164b348919 | 40 | #include "ManagedString.h" |
| MrBedfordVan | 0:b9164b348919 | 41 | #include "MicroBitImage.h" |
| MrBedfordVan | 0:b9164b348919 | 42 | #include "MicroBitFont.h" |
| MrBedfordVan | 0:b9164b348919 | 43 | #include "MicroBitEvent.h" |
| MrBedfordVan | 0:b9164b348919 | 44 | #include "DynamicPwm.h" |
| MrBedfordVan | 0:b9164b348919 | 45 | #include "MicroBitI2C.h" |
| MrBedfordVan | 0:b9164b348919 | 46 | #include "NotifyEvents.h" |
| MrBedfordVan | 0:b9164b348919 | 47 | |
| MrBedfordVan | 0:b9164b348919 | 48 | #include "MicroBitButton.h" |
| MrBedfordVan | 0:b9164b348919 | 49 | #include "MicroBitPin.h" |
| MrBedfordVan | 0:b9164b348919 | 50 | #include "MicroBitCompass.h" |
| MrBedfordVan | 0:b9164b348919 | 51 | #include "MicroBitCompassCalibrator.h" |
| MrBedfordVan | 0:b9164b348919 | 52 | #include "MicroBitAccelerometer.h" |
| MrBedfordVan | 0:b9164b348919 | 53 | #include "MicroBitThermometer.h" |
| MrBedfordVan | 0:b9164b348919 | 54 | #include "MicroBitLightSensor.h" |
| MrBedfordVan | 0:b9164b348919 | 55 | #include "MicroBitMultiButton.h" |
| MrBedfordVan | 0:b9164b348919 | 56 | |
| MrBedfordVan | 0:b9164b348919 | 57 | #include "MicroBitSerial.h" |
| MrBedfordVan | 0:b9164b348919 | 58 | #include "MicroBitIO.h" |
| MrBedfordVan | 0:b9164b348919 | 59 | #include "MicroBitMatrixMaps.h" |
| MrBedfordVan | 0:b9164b348919 | 60 | #include "MicroBitDisplay.h" |
| MrBedfordVan | 0:b9164b348919 | 61 | |
| MrBedfordVan | 0:b9164b348919 | 62 | #include "MicroBitFiber.h" |
| MrBedfordVan | 0:b9164b348919 | 63 | #include "MicroBitMessageBus.h" |
| MrBedfordVan | 0:b9164b348919 | 64 | |
| MrBedfordVan | 0:b9164b348919 | 65 | #include "MicroBitBLEManager.h" |
| MrBedfordVan | 0:b9164b348919 | 66 | #include "MicroBitRadio.h" |
| MrBedfordVan | 0:b9164b348919 | 67 | #include "MicroBitStorage.h" |
| MrBedfordVan | 0:b9164b348919 | 68 | |
| MrBedfordVan | 0:b9164b348919 | 69 | // MicroBit::flags values |
| MrBedfordVan | 0:b9164b348919 | 70 | #define MICROBIT_INITIALIZED 0x01 |
| MrBedfordVan | 0:b9164b348919 | 71 | |
| MrBedfordVan | 0:b9164b348919 | 72 | /** |
| MrBedfordVan | 0:b9164b348919 | 73 | * Class definition for a MicroBit device. |
| MrBedfordVan | 0:b9164b348919 | 74 | * |
| MrBedfordVan | 0:b9164b348919 | 75 | * Represents the device as a whole, and includes member variables that represent various device drivers |
| MrBedfordVan | 0:b9164b348919 | 76 | * used to control aspects of the micro:bit. |
| MrBedfordVan | 0:b9164b348919 | 77 | */ |
| MrBedfordVan | 0:b9164b348919 | 78 | class MicroBit |
| MrBedfordVan | 0:b9164b348919 | 79 | { |
| MrBedfordVan | 0:b9164b348919 | 80 | private: |
| MrBedfordVan | 0:b9164b348919 | 81 | |
| MrBedfordVan | 0:b9164b348919 | 82 | /** |
| MrBedfordVan | 0:b9164b348919 | 83 | * A listener to perform actions as a result of Message Bus reflection. |
| MrBedfordVan | 0:b9164b348919 | 84 | * |
| MrBedfordVan | 0:b9164b348919 | 85 | * In some cases we want to perform lazy instantiation of components, such as |
| MrBedfordVan | 0:b9164b348919 | 86 | * the compass and the accelerometer, where we only want to add them to the idle |
| MrBedfordVan | 0:b9164b348919 | 87 | * fiber when someone has the intention of using these components. |
| MrBedfordVan | 0:b9164b348919 | 88 | */ |
| MrBedfordVan | 0:b9164b348919 | 89 | void onListenerRegisteredEvent(MicroBitEvent evt); |
| MrBedfordVan | 0:b9164b348919 | 90 | |
| MrBedfordVan | 0:b9164b348919 | 91 | uint8_t status; |
| MrBedfordVan | 0:b9164b348919 | 92 | |
| MrBedfordVan | 0:b9164b348919 | 93 | public: |
| MrBedfordVan | 0:b9164b348919 | 94 | |
| MrBedfordVan | 0:b9164b348919 | 95 | // Serial Interface |
| MrBedfordVan | 0:b9164b348919 | 96 | MicroBitSerial serial; |
| MrBedfordVan | 0:b9164b348919 | 97 | |
| MrBedfordVan | 0:b9164b348919 | 98 | // Reset Button |
| MrBedfordVan | 0:b9164b348919 | 99 | InterruptIn resetButton; |
| MrBedfordVan | 0:b9164b348919 | 100 | |
| MrBedfordVan | 0:b9164b348919 | 101 | // Persistent key value store |
| MrBedfordVan | 0:b9164b348919 | 102 | MicroBitStorage storage; |
| MrBedfordVan | 0:b9164b348919 | 103 | |
| MrBedfordVan | 0:b9164b348919 | 104 | // I2C Interface |
| MrBedfordVan | 0:b9164b348919 | 105 | MicroBitI2C i2c; |
| MrBedfordVan | 0:b9164b348919 | 106 | |
| MrBedfordVan | 0:b9164b348919 | 107 | // Device level Message Bus abstraction |
| MrBedfordVan | 0:b9164b348919 | 108 | MicroBitMessageBus messageBus; |
| MrBedfordVan | 0:b9164b348919 | 109 | |
| MrBedfordVan | 0:b9164b348919 | 110 | // Member variables to represent each of the core components on the device. |
| MrBedfordVan | 0:b9164b348919 | 111 | MicroBitDisplay display; |
| MrBedfordVan | 0:b9164b348919 | 112 | MicroBitButton buttonA; |
| MrBedfordVan | 0:b9164b348919 | 113 | MicroBitButton buttonB; |
| MrBedfordVan | 0:b9164b348919 | 114 | MicroBitMultiButton buttonAB; |
| MrBedfordVan | 0:b9164b348919 | 115 | MicroBitAccelerometer accelerometer; |
| MrBedfordVan | 0:b9164b348919 | 116 | MicroBitCompass compass; |
| MrBedfordVan | 0:b9164b348919 | 117 | MicroBitCompassCalibrator compassCalibrator; |
| MrBedfordVan | 0:b9164b348919 | 118 | MicroBitThermometer thermometer; |
| MrBedfordVan | 0:b9164b348919 | 119 | |
| MrBedfordVan | 0:b9164b348919 | 120 | //An object of available IO pins on the device |
| MrBedfordVan | 0:b9164b348919 | 121 | MicroBitIO io; |
| MrBedfordVan | 0:b9164b348919 | 122 | |
| MrBedfordVan | 0:b9164b348919 | 123 | // Bluetooth related member variables. |
| MrBedfordVan | 0:b9164b348919 | 124 | MicroBitBLEManager bleManager; |
| MrBedfordVan | 0:b9164b348919 | 125 | MicroBitRadio radio; |
| MrBedfordVan | 0:b9164b348919 | 126 | BLEDevice *ble; |
| MrBedfordVan | 0:b9164b348919 | 127 | |
| MrBedfordVan | 0:b9164b348919 | 128 | /** |
| MrBedfordVan | 0:b9164b348919 | 129 | * Constructor. |
| MrBedfordVan | 0:b9164b348919 | 130 | * |
| MrBedfordVan | 0:b9164b348919 | 131 | * Create a representation of a MicroBit device, which includes member variables |
| MrBedfordVan | 0:b9164b348919 | 132 | * that represent various device drivers used to control aspects of the micro:bit. |
| MrBedfordVan | 0:b9164b348919 | 133 | */ |
| MrBedfordVan | 0:b9164b348919 | 134 | MicroBit(); |
| MrBedfordVan | 0:b9164b348919 | 135 | |
| MrBedfordVan | 0:b9164b348919 | 136 | /** |
| MrBedfordVan | 0:b9164b348919 | 137 | * Post constructor initialisation method. |
| MrBedfordVan | 0:b9164b348919 | 138 | * |
| MrBedfordVan | 0:b9164b348919 | 139 | * This call will initialised the scheduler, memory allocator and Bluetooth stack. |
| MrBedfordVan | 0:b9164b348919 | 140 | * |
| MrBedfordVan | 0:b9164b348919 | 141 | * This is required as the Bluetooth stack can't be brought up in a |
| MrBedfordVan | 0:b9164b348919 | 142 | * static context i.e. in a constructor. |
| MrBedfordVan | 0:b9164b348919 | 143 | * |
| MrBedfordVan | 0:b9164b348919 | 144 | * @code |
| MrBedfordVan | 0:b9164b348919 | 145 | * uBit.init(); |
| MrBedfordVan | 0:b9164b348919 | 146 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 147 | * |
| MrBedfordVan | 0:b9164b348919 | 148 | * @note This method must be called before user code utilises any functionality |
| MrBedfordVan | 0:b9164b348919 | 149 | * contained by uBit. |
| MrBedfordVan | 0:b9164b348919 | 150 | */ |
| MrBedfordVan | 0:b9164b348919 | 151 | void init(); |
| MrBedfordVan | 0:b9164b348919 | 152 | |
| MrBedfordVan | 0:b9164b348919 | 153 | /** |
| MrBedfordVan | 0:b9164b348919 | 154 | * Return the friendly name for this device. |
| MrBedfordVan | 0:b9164b348919 | 155 | * |
| MrBedfordVan | 0:b9164b348919 | 156 | * @return A ManagedString representing the friendly name of this device. |
| MrBedfordVan | 0:b9164b348919 | 157 | * |
| MrBedfordVan | 0:b9164b348919 | 158 | * @code |
| MrBedfordVan | 0:b9164b348919 | 159 | * ManagedString name = uBit.getName(); |
| MrBedfordVan | 0:b9164b348919 | 160 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 161 | */ |
| MrBedfordVan | 0:b9164b348919 | 162 | static ManagedString getName(); |
| MrBedfordVan | 0:b9164b348919 | 163 | |
| MrBedfordVan | 0:b9164b348919 | 164 | /** |
| MrBedfordVan | 0:b9164b348919 | 165 | * Return the serial number of this device. |
| MrBedfordVan | 0:b9164b348919 | 166 | * |
| MrBedfordVan | 0:b9164b348919 | 167 | * @return A ManagedString representing the serial number of this device. |
| MrBedfordVan | 0:b9164b348919 | 168 | * |
| MrBedfordVan | 0:b9164b348919 | 169 | * @code |
| MrBedfordVan | 0:b9164b348919 | 170 | * ManagedString serialNumber = uBit.getSerial(); |
| MrBedfordVan | 0:b9164b348919 | 171 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 172 | */ |
| MrBedfordVan | 0:b9164b348919 | 173 | static ManagedString getSerial(); |
| MrBedfordVan | 0:b9164b348919 | 174 | |
| MrBedfordVan | 0:b9164b348919 | 175 | /** |
| MrBedfordVan | 0:b9164b348919 | 176 | * Will reset the micro:bit when called. |
| MrBedfordVan | 0:b9164b348919 | 177 | * |
| MrBedfordVan | 0:b9164b348919 | 178 | * @code |
| MrBedfordVan | 0:b9164b348919 | 179 | * uBit.reset(); |
| MrBedfordVan | 0:b9164b348919 | 180 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 181 | */ |
| MrBedfordVan | 0:b9164b348919 | 182 | void reset(); |
| MrBedfordVan | 0:b9164b348919 | 183 | |
| MrBedfordVan | 0:b9164b348919 | 184 | /** |
| MrBedfordVan | 0:b9164b348919 | 185 | * Delay execution for the given amount of time. |
| MrBedfordVan | 0:b9164b348919 | 186 | * |
| MrBedfordVan | 0:b9164b348919 | 187 | * If the scheduler is running, this will deschedule the current fiber and perform |
| MrBedfordVan | 0:b9164b348919 | 188 | * a power efficient, concurrent sleep operation. |
| MrBedfordVan | 0:b9164b348919 | 189 | * |
| MrBedfordVan | 0:b9164b348919 | 190 | * If the scheduler is disabled or we're running in an interrupt context, this |
| MrBedfordVan | 0:b9164b348919 | 191 | * will revert to a busy wait. |
| MrBedfordVan | 0:b9164b348919 | 192 | * |
| MrBedfordVan | 0:b9164b348919 | 193 | * Alternatively: wait, wait_ms, wait_us can be used which will perform a blocking sleep |
| MrBedfordVan | 0:b9164b348919 | 194 | * operation. |
| MrBedfordVan | 0:b9164b348919 | 195 | * |
| MrBedfordVan | 0:b9164b348919 | 196 | * @param milliseconds the amount of time, in ms, to wait for. This number cannot be negative. |
| MrBedfordVan | 0:b9164b348919 | 197 | * |
| MrBedfordVan | 0:b9164b348919 | 198 | * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER milliseconds is less than zero. |
| MrBedfordVan | 0:b9164b348919 | 199 | * |
| MrBedfordVan | 0:b9164b348919 | 200 | * @code |
| MrBedfordVan | 0:b9164b348919 | 201 | * uBit.sleep(20); //sleep for 20ms |
| MrBedfordVan | 0:b9164b348919 | 202 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 203 | * |
| MrBedfordVan | 0:b9164b348919 | 204 | * @note This operation is currently limited by the rate of the system timer, therefore |
| MrBedfordVan | 0:b9164b348919 | 205 | * the granularity of the sleep operation is limited to 6 ms unless the rate of |
| MrBedfordVan | 0:b9164b348919 | 206 | * the system timer is modified. |
| MrBedfordVan | 0:b9164b348919 | 207 | */ |
| MrBedfordVan | 0:b9164b348919 | 208 | void sleep(uint32_t milliseconds); |
| MrBedfordVan | 0:b9164b348919 | 209 | |
| MrBedfordVan | 0:b9164b348919 | 210 | /** |
| MrBedfordVan | 0:b9164b348919 | 211 | * Seed the pseudo random number generator using the hardware random number generator. |
| MrBedfordVan | 0:b9164b348919 | 212 | * |
| MrBedfordVan | 0:b9164b348919 | 213 | * @code |
| MrBedfordVan | 0:b9164b348919 | 214 | * uBit.seedRandom(); |
| MrBedfordVan | 0:b9164b348919 | 215 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 216 | */ |
| MrBedfordVan | 0:b9164b348919 | 217 | void seedRandom(); |
| MrBedfordVan | 0:b9164b348919 | 218 | |
| MrBedfordVan | 0:b9164b348919 | 219 | /** |
| MrBedfordVan | 0:b9164b348919 | 220 | * Seed the pseudo random number generator using the given value. |
| MrBedfordVan | 0:b9164b348919 | 221 | * |
| MrBedfordVan | 0:b9164b348919 | 222 | * @param seed The 32-bit value to seed the generator with. |
| MrBedfordVan | 0:b9164b348919 | 223 | * |
| MrBedfordVan | 0:b9164b348919 | 224 | * @code |
| MrBedfordVan | 0:b9164b348919 | 225 | * uBit.seedRandom(0xBB5EED); |
| MrBedfordVan | 0:b9164b348919 | 226 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 227 | */ |
| MrBedfordVan | 0:b9164b348919 | 228 | void seedRandom(uint32_t seed); |
| MrBedfordVan | 0:b9164b348919 | 229 | |
| MrBedfordVan | 0:b9164b348919 | 230 | |
| MrBedfordVan | 0:b9164b348919 | 231 | /** |
| MrBedfordVan | 0:b9164b348919 | 232 | * Generate a random number in the given range. |
| MrBedfordVan | 0:b9164b348919 | 233 | * We use a simple Galois LFSR random number generator here, |
| MrBedfordVan | 0:b9164b348919 | 234 | * as a Galois LFSR is sufficient for our applications, and much more lightweight |
| MrBedfordVan | 0:b9164b348919 | 235 | * than the hardware random number generator built int the processor, which takes |
| MrBedfordVan | 0:b9164b348919 | 236 | * a long time and uses a lot of energy. |
| MrBedfordVan | 0:b9164b348919 | 237 | * |
| MrBedfordVan | 0:b9164b348919 | 238 | * KIDS: You shouldn't use this is the real world to generate cryptographic keys though... |
| MrBedfordVan | 0:b9164b348919 | 239 | * have a think why not. :-) |
| MrBedfordVan | 0:b9164b348919 | 240 | * |
| MrBedfordVan | 0:b9164b348919 | 241 | * @param max the upper range to generate a number for. This number cannot be negative. |
| MrBedfordVan | 0:b9164b348919 | 242 | * |
| MrBedfordVan | 0:b9164b348919 | 243 | * @return A random, natural number between 0 and the max-1. Or MICROBIT_INVALID_VALUE if max is <= 0. |
| MrBedfordVan | 0:b9164b348919 | 244 | * |
| MrBedfordVan | 0:b9164b348919 | 245 | * @code |
| MrBedfordVan | 0:b9164b348919 | 246 | * uBit.random(200); //a number between 0 and 199 |
| MrBedfordVan | 0:b9164b348919 | 247 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 248 | */ |
| MrBedfordVan | 0:b9164b348919 | 249 | int random(int max); |
| MrBedfordVan | 0:b9164b348919 | 250 | |
| MrBedfordVan | 0:b9164b348919 | 251 | /** |
| MrBedfordVan | 0:b9164b348919 | 252 | * Determine the time since this MicroBit was last reset. |
| MrBedfordVan | 0:b9164b348919 | 253 | * |
| MrBedfordVan | 0:b9164b348919 | 254 | * @return The time since the last reset, in milliseconds. |
| MrBedfordVan | 0:b9164b348919 | 255 | * |
| MrBedfordVan | 0:b9164b348919 | 256 | * @note This will value overflow after 1.6 months. |
| MrBedfordVan | 0:b9164b348919 | 257 | */ |
| MrBedfordVan | 0:b9164b348919 | 258 | //TODO: handle overflow case. |
| MrBedfordVan | 0:b9164b348919 | 259 | unsigned long systemTime(); |
| MrBedfordVan | 0:b9164b348919 | 260 | |
| MrBedfordVan | 0:b9164b348919 | 261 | /** |
| MrBedfordVan | 0:b9164b348919 | 262 | * Determine the version of the micro:bit runtime currently in use. |
| MrBedfordVan | 0:b9164b348919 | 263 | * |
| MrBedfordVan | 0:b9164b348919 | 264 | * @return A textual description of the version of the micro:bit runtime that |
| MrBedfordVan | 0:b9164b348919 | 265 | * is currently running on this device. |
| MrBedfordVan | 0:b9164b348919 | 266 | */ |
| MrBedfordVan | 0:b9164b348919 | 267 | const char *systemVersion(); |
| MrBedfordVan | 0:b9164b348919 | 268 | |
| MrBedfordVan | 0:b9164b348919 | 269 | /** |
| MrBedfordVan | 0:b9164b348919 | 270 | * Triggers a microbit panic where an loop will display a panic face |
| MrBedfordVan | 0:b9164b348919 | 271 | * and the status code, if provided. |
| MrBedfordVan | 0:b9164b348919 | 272 | * |
| MrBedfordVan | 0:b9164b348919 | 273 | * This loop will continue for panic_timeout iterations, defaults to 0 (infinite). |
| MrBedfordVan | 0:b9164b348919 | 274 | * |
| MrBedfordVan | 0:b9164b348919 | 275 | * panic_timeout can be configured via a call to microbit_panic_timeout. |
| MrBedfordVan | 0:b9164b348919 | 276 | * |
| MrBedfordVan | 0:b9164b348919 | 277 | * @param statusCode the status code of the associated error. |
| MrBedfordVan | 0:b9164b348919 | 278 | * |
| MrBedfordVan | 0:b9164b348919 | 279 | * @code |
| MrBedfordVan | 0:b9164b348919 | 280 | * microbit_panic_timeout(4); |
| MrBedfordVan | 0:b9164b348919 | 281 | * |
| MrBedfordVan | 0:b9164b348919 | 282 | * // will display loop for 4 iterations. |
| MrBedfordVan | 0:b9164b348919 | 283 | * uBit.panic(10); |
| MrBedfordVan | 0:b9164b348919 | 284 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 285 | */ |
| MrBedfordVan | 0:b9164b348919 | 286 | void panic(int statusCode = 0); |
| MrBedfordVan | 0:b9164b348919 | 287 | |
| MrBedfordVan | 0:b9164b348919 | 288 | /** |
| MrBedfordVan | 0:b9164b348919 | 289 | * Add a component to the array of system components. This component will then receive |
| MrBedfordVan | 0:b9164b348919 | 290 | * periodic callbacks, once every tick period in interrupt context. |
| MrBedfordVan | 0:b9164b348919 | 291 | * |
| MrBedfordVan | 0:b9164b348919 | 292 | * @param component The component to add. |
| MrBedfordVan | 0:b9164b348919 | 293 | * |
| MrBedfordVan | 0:b9164b348919 | 294 | * @return MICROBIT_OK on success or MICROBIT_NO_RESOURCES if the component array is full. |
| MrBedfordVan | 0:b9164b348919 | 295 | * |
| MrBedfordVan | 0:b9164b348919 | 296 | * @code |
| MrBedfordVan | 0:b9164b348919 | 297 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 298 | * MicroBitDisplay* display = new MicroBitDisplay(); |
| MrBedfordVan | 0:b9164b348919 | 299 | * |
| MrBedfordVan | 0:b9164b348919 | 300 | * uBit.addSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 301 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 302 | * |
| MrBedfordVan | 0:b9164b348919 | 303 | * @note This interface is now deprecated, and will be removed in the next major release. Please use system_timer_add_component(). |
| MrBedfordVan | 0:b9164b348919 | 304 | */ |
| MrBedfordVan | 0:b9164b348919 | 305 | int addSystemComponent(MicroBitComponent *component); |
| MrBedfordVan | 0:b9164b348919 | 306 | |
| MrBedfordVan | 0:b9164b348919 | 307 | /** |
| MrBedfordVan | 0:b9164b348919 | 308 | * Remove a component from the array of system components. This component will no longer receive |
| MrBedfordVan | 0:b9164b348919 | 309 | * periodic callbacks. |
| MrBedfordVan | 0:b9164b348919 | 310 | * |
| MrBedfordVan | 0:b9164b348919 | 311 | * @param component The component to remove. |
| MrBedfordVan | 0:b9164b348919 | 312 | * |
| MrBedfordVan | 0:b9164b348919 | 313 | * @return MICROBIT_OK on success or MICROBIT_INVALID_PARAMETER is returned if the given component has not been previously added. |
| MrBedfordVan | 0:b9164b348919 | 314 | * |
| MrBedfordVan | 0:b9164b348919 | 315 | * @code |
| MrBedfordVan | 0:b9164b348919 | 316 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 317 | * MicroBitDisplay* display = new MicroBitDisplay(); |
| MrBedfordVan | 0:b9164b348919 | 318 | * |
| MrBedfordVan | 0:b9164b348919 | 319 | * uBit.addSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 320 | * |
| MrBedfordVan | 0:b9164b348919 | 321 | * uBit.removeSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 322 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 323 | * |
| MrBedfordVan | 0:b9164b348919 | 324 | * @note This interface is now deprecated, and will be removed in the next major release. Please use system_timer_remove_component(). |
| MrBedfordVan | 0:b9164b348919 | 325 | */ |
| MrBedfordVan | 0:b9164b348919 | 326 | int removeSystemComponent(MicroBitComponent *component); |
| MrBedfordVan | 0:b9164b348919 | 327 | |
| MrBedfordVan | 0:b9164b348919 | 328 | /** |
| MrBedfordVan | 0:b9164b348919 | 329 | * Adds a component to the array of idle thread components, which are processed |
| MrBedfordVan | 0:b9164b348919 | 330 | * when the run queue is empty. |
| MrBedfordVan | 0:b9164b348919 | 331 | * |
| MrBedfordVan | 0:b9164b348919 | 332 | * The system timer will poll isIdleCallbackNeeded on each component to determine |
| MrBedfordVan | 0:b9164b348919 | 333 | * if the scheduler should schedule the idle_task imminently. |
| MrBedfordVan | 0:b9164b348919 | 334 | * |
| MrBedfordVan | 0:b9164b348919 | 335 | * @param component The component to add to the array. |
| MrBedfordVan | 0:b9164b348919 | 336 | * |
| MrBedfordVan | 0:b9164b348919 | 337 | * @return MICROBIT_OK on success or MICROBIT_NO_RESOURCES if the fiber components array is full. |
| MrBedfordVan | 0:b9164b348919 | 338 | * |
| MrBedfordVan | 0:b9164b348919 | 339 | * @code |
| MrBedfordVan | 0:b9164b348919 | 340 | * MicroBitI2C i2c(I2C_SDA0, I2C_SCL0); |
| MrBedfordVan | 0:b9164b348919 | 341 | * |
| MrBedfordVan | 0:b9164b348919 | 342 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 343 | * MicroBitAccelerometer* accelerometer = new MicroBitAccelerometer(i2c); |
| MrBedfordVan | 0:b9164b348919 | 344 | * |
| MrBedfordVan | 0:b9164b348919 | 345 | * fiber_add_idle_component(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 346 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 347 | * |
| MrBedfordVan | 0:b9164b348919 | 348 | * @note This interface is now deprecated, and will be removed in the next major release. Please use fiber_add_idle_component(). |
| MrBedfordVan | 0:b9164b348919 | 349 | */ |
| MrBedfordVan | 0:b9164b348919 | 350 | int addIdleComponent(MicroBitComponent *component); |
| MrBedfordVan | 0:b9164b348919 | 351 | |
| MrBedfordVan | 0:b9164b348919 | 352 | /** |
| MrBedfordVan | 0:b9164b348919 | 353 | * Remove a component from the array of idle thread components |
| MrBedfordVan | 0:b9164b348919 | 354 | * |
| MrBedfordVan | 0:b9164b348919 | 355 | * @param component The component to remove from the idle component array. |
| MrBedfordVan | 0:b9164b348919 | 356 | * |
| MrBedfordVan | 0:b9164b348919 | 357 | * @return MICROBIT_OK on success. MICROBIT_INVALID_PARAMETER is returned if the given component has not been previously added. |
| MrBedfordVan | 0:b9164b348919 | 358 | * |
| MrBedfordVan | 0:b9164b348919 | 359 | * @code |
| MrBedfordVan | 0:b9164b348919 | 360 | * MicroBitI2C i2c(I2C_SDA0, I2C_SCL0); |
| MrBedfordVan | 0:b9164b348919 | 361 | * |
| MrBedfordVan | 0:b9164b348919 | 362 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 363 | * MicroBitAccelerometer* accelerometer = new MicroBitAccelerometer(i2c); |
| MrBedfordVan | 0:b9164b348919 | 364 | * |
| MrBedfordVan | 0:b9164b348919 | 365 | * uBit.addIdleComponent(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 366 | * |
| MrBedfordVan | 0:b9164b348919 | 367 | * uBit.removeIdleComponent(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 368 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 369 | * |
| MrBedfordVan | 0:b9164b348919 | 370 | * @note This interface is now deprecated, and will be removed in the next major release. Please use fiber_remove_idle_component(). |
| MrBedfordVan | 0:b9164b348919 | 371 | */ |
| MrBedfordVan | 0:b9164b348919 | 372 | int removeIdleComponent(MicroBitComponent *component); |
| MrBedfordVan | 0:b9164b348919 | 373 | }; |
| MrBedfordVan | 0:b9164b348919 | 374 | |
| MrBedfordVan | 0:b9164b348919 | 375 | /** |
| MrBedfordVan | 0:b9164b348919 | 376 | * Return the friendly name for this device. |
| MrBedfordVan | 0:b9164b348919 | 377 | * |
| MrBedfordVan | 0:b9164b348919 | 378 | * @return A ManagedString representing the friendly name of this device. |
| MrBedfordVan | 0:b9164b348919 | 379 | * |
| MrBedfordVan | 0:b9164b348919 | 380 | * @code |
| MrBedfordVan | 0:b9164b348919 | 381 | * ManagedString name = uBit.getName(); |
| MrBedfordVan | 0:b9164b348919 | 382 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 383 | */ |
| MrBedfordVan | 0:b9164b348919 | 384 | inline ManagedString MicroBit::getName() |
| MrBedfordVan | 0:b9164b348919 | 385 | { |
| MrBedfordVan | 0:b9164b348919 | 386 | return ManagedString(microbit_friendly_name()); |
| MrBedfordVan | 0:b9164b348919 | 387 | } |
| MrBedfordVan | 0:b9164b348919 | 388 | |
| MrBedfordVan | 0:b9164b348919 | 389 | /** |
| MrBedfordVan | 0:b9164b348919 | 390 | * Return the serial number of this device. |
| MrBedfordVan | 0:b9164b348919 | 391 | * |
| MrBedfordVan | 0:b9164b348919 | 392 | * @return A ManagedString representing the serial number of this device. |
| MrBedfordVan | 0:b9164b348919 | 393 | * |
| MrBedfordVan | 0:b9164b348919 | 394 | * @code |
| MrBedfordVan | 0:b9164b348919 | 395 | * ManagedString serialNumber = uBit.getSerial(); |
| MrBedfordVan | 0:b9164b348919 | 396 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 397 | */ |
| MrBedfordVan | 0:b9164b348919 | 398 | inline ManagedString MicroBit::getSerial() |
| MrBedfordVan | 0:b9164b348919 | 399 | { |
| MrBedfordVan | 0:b9164b348919 | 400 | // We take to 16 bit numbers here, as we want the full range of ID bits, but don't want negative numbers... |
| MrBedfordVan | 0:b9164b348919 | 401 | int n1 = microbit_serial_number() & 0xffff; |
| MrBedfordVan | 0:b9164b348919 | 402 | int n2 = (microbit_serial_number() >> 16) & 0xffff; |
| MrBedfordVan | 0:b9164b348919 | 403 | |
| MrBedfordVan | 0:b9164b348919 | 404 | // Simply concat the two numbers. |
| MrBedfordVan | 0:b9164b348919 | 405 | ManagedString s1(n1); |
| MrBedfordVan | 0:b9164b348919 | 406 | ManagedString s2(n2); |
| MrBedfordVan | 0:b9164b348919 | 407 | |
| MrBedfordVan | 0:b9164b348919 | 408 | return s1 + s2; |
| MrBedfordVan | 0:b9164b348919 | 409 | } |
| MrBedfordVan | 0:b9164b348919 | 410 | |
| MrBedfordVan | 0:b9164b348919 | 411 | /** |
| MrBedfordVan | 0:b9164b348919 | 412 | * Will reset the micro:bit when called. |
| MrBedfordVan | 0:b9164b348919 | 413 | * |
| MrBedfordVan | 0:b9164b348919 | 414 | * @code |
| MrBedfordVan | 0:b9164b348919 | 415 | * uBit.reset(); |
| MrBedfordVan | 0:b9164b348919 | 416 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 417 | */ |
| MrBedfordVan | 0:b9164b348919 | 418 | inline void MicroBit::reset() |
| MrBedfordVan | 0:b9164b348919 | 419 | { |
| MrBedfordVan | 0:b9164b348919 | 420 | if(ble && ble->getGapState().connected) { |
| MrBedfordVan | 0:b9164b348919 | 421 | |
| MrBedfordVan | 0:b9164b348919 | 422 | // We have a connected BLE peer. Disconnect the BLE session. |
| MrBedfordVan | 0:b9164b348919 | 423 | ble->gap().disconnect(Gap::REMOTE_USER_TERMINATED_CONNECTION); |
| MrBedfordVan | 0:b9164b348919 | 424 | |
| MrBedfordVan | 0:b9164b348919 | 425 | // Wait a little while for the connection to drop. |
| MrBedfordVan | 0:b9164b348919 | 426 | wait_ms(100); |
| MrBedfordVan | 0:b9164b348919 | 427 | } |
| MrBedfordVan | 0:b9164b348919 | 428 | |
| MrBedfordVan | 0:b9164b348919 | 429 | microbit_reset(); |
| MrBedfordVan | 0:b9164b348919 | 430 | } |
| MrBedfordVan | 0:b9164b348919 | 431 | |
| MrBedfordVan | 0:b9164b348919 | 432 | /** |
| MrBedfordVan | 0:b9164b348919 | 433 | * Delay execution for the given amount of time. |
| MrBedfordVan | 0:b9164b348919 | 434 | * |
| MrBedfordVan | 0:b9164b348919 | 435 | * If the scheduler is running, this will deschedule the current fiber and perform |
| MrBedfordVan | 0:b9164b348919 | 436 | * a power efficient, concurrent sleep operation. |
| MrBedfordVan | 0:b9164b348919 | 437 | * |
| MrBedfordVan | 0:b9164b348919 | 438 | * If the scheduler is disabled or we're running in an interrupt context, this |
| MrBedfordVan | 0:b9164b348919 | 439 | * will revert to a busy wait. |
| MrBedfordVan | 0:b9164b348919 | 440 | * |
| MrBedfordVan | 0:b9164b348919 | 441 | * Alternatively: wait, wait_ms, wait_us can be used which will perform a blocking sleep |
| MrBedfordVan | 0:b9164b348919 | 442 | * operation. |
| MrBedfordVan | 0:b9164b348919 | 443 | * |
| MrBedfordVan | 0:b9164b348919 | 444 | * @param milliseconds the amount of time, in ms, to wait for. This number cannot be negative. |
| MrBedfordVan | 0:b9164b348919 | 445 | * |
| MrBedfordVan | 0:b9164b348919 | 446 | * @return MICROBIT_OK on success, MICROBIT_INVALID_PARAMETER milliseconds is less than zero. |
| MrBedfordVan | 0:b9164b348919 | 447 | * |
| MrBedfordVan | 0:b9164b348919 | 448 | * @code |
| MrBedfordVan | 0:b9164b348919 | 449 | * uBit.sleep(20); //sleep for 20ms |
| MrBedfordVan | 0:b9164b348919 | 450 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 451 | * |
| MrBedfordVan | 0:b9164b348919 | 452 | * @note This operation is currently limited by the rate of the system timer, therefore |
| MrBedfordVan | 0:b9164b348919 | 453 | * the granularity of the sleep operation is limited to 6 ms unless the rate of |
| MrBedfordVan | 0:b9164b348919 | 454 | * the system timer is modified. |
| MrBedfordVan | 0:b9164b348919 | 455 | */ |
| MrBedfordVan | 0:b9164b348919 | 456 | inline void MicroBit::sleep(uint32_t milliseconds) |
| MrBedfordVan | 0:b9164b348919 | 457 | { |
| MrBedfordVan | 0:b9164b348919 | 458 | fiber_sleep(milliseconds); |
| MrBedfordVan | 0:b9164b348919 | 459 | } |
| MrBedfordVan | 0:b9164b348919 | 460 | |
| MrBedfordVan | 0:b9164b348919 | 461 | /** |
| MrBedfordVan | 0:b9164b348919 | 462 | * Generate a random number in the given range. |
| MrBedfordVan | 0:b9164b348919 | 463 | * We use a simple Galois LFSR random number generator here, |
| MrBedfordVan | 0:b9164b348919 | 464 | * as a Galois LFSR is sufficient for our applications, and much more lightweight |
| MrBedfordVan | 0:b9164b348919 | 465 | * than the hardware random number generator built int the processor, which takes |
| MrBedfordVan | 0:b9164b348919 | 466 | * a long time and uses a lot of energy. |
| MrBedfordVan | 0:b9164b348919 | 467 | * |
| MrBedfordVan | 0:b9164b348919 | 468 | * KIDS: You shouldn't use this is the real world to generate cryptographic keys though... |
| MrBedfordVan | 0:b9164b348919 | 469 | * have a think why not. :-) |
| MrBedfordVan | 0:b9164b348919 | 470 | * |
| MrBedfordVan | 0:b9164b348919 | 471 | * @param max the upper range to generate a number for. This number cannot be negative. |
| MrBedfordVan | 0:b9164b348919 | 472 | * |
| MrBedfordVan | 0:b9164b348919 | 473 | * @return A random, natural number between 0 and the max-1. Or MICROBIT_INVALID_VALUE if max is <= 0. |
| MrBedfordVan | 0:b9164b348919 | 474 | * |
| MrBedfordVan | 0:b9164b348919 | 475 | * @code |
| MrBedfordVan | 0:b9164b348919 | 476 | * uBit.random(200); //a number between 0 and 199 |
| MrBedfordVan | 0:b9164b348919 | 477 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 478 | */ |
| MrBedfordVan | 0:b9164b348919 | 479 | inline int MicroBit::random(int max) |
| MrBedfordVan | 0:b9164b348919 | 480 | { |
| MrBedfordVan | 0:b9164b348919 | 481 | return microbit_random(max); |
| MrBedfordVan | 0:b9164b348919 | 482 | } |
| MrBedfordVan | 0:b9164b348919 | 483 | |
| MrBedfordVan | 0:b9164b348919 | 484 | /** |
| MrBedfordVan | 0:b9164b348919 | 485 | * Seed the pseudo random number generator using the hardware random number generator. |
| MrBedfordVan | 0:b9164b348919 | 486 | * |
| MrBedfordVan | 0:b9164b348919 | 487 | * @code |
| MrBedfordVan | 0:b9164b348919 | 488 | * uBit.seedRandom(); |
| MrBedfordVan | 0:b9164b348919 | 489 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 490 | */ |
| MrBedfordVan | 0:b9164b348919 | 491 | inline void MicroBit::seedRandom() |
| MrBedfordVan | 0:b9164b348919 | 492 | { |
| MrBedfordVan | 0:b9164b348919 | 493 | microbit_seed_random(); |
| MrBedfordVan | 0:b9164b348919 | 494 | } |
| MrBedfordVan | 0:b9164b348919 | 495 | |
| MrBedfordVan | 0:b9164b348919 | 496 | |
| MrBedfordVan | 0:b9164b348919 | 497 | /** |
| MrBedfordVan | 0:b9164b348919 | 498 | * Seed the pseudo random number generator using the given value. |
| MrBedfordVan | 0:b9164b348919 | 499 | * |
| MrBedfordVan | 0:b9164b348919 | 500 | * @param seed The 32-bit value to seed the generator with. |
| MrBedfordVan | 0:b9164b348919 | 501 | * |
| MrBedfordVan | 0:b9164b348919 | 502 | * @code |
| MrBedfordVan | 0:b9164b348919 | 503 | * uBit.seedRandom(0xBB5EED); |
| MrBedfordVan | 0:b9164b348919 | 504 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 505 | */ |
| MrBedfordVan | 0:b9164b348919 | 506 | inline void MicroBit::seedRandom(uint32_t seed) |
| MrBedfordVan | 0:b9164b348919 | 507 | { |
| MrBedfordVan | 0:b9164b348919 | 508 | microbit_seed_random(seed); |
| MrBedfordVan | 0:b9164b348919 | 509 | } |
| MrBedfordVan | 0:b9164b348919 | 510 | |
| MrBedfordVan | 0:b9164b348919 | 511 | |
| MrBedfordVan | 0:b9164b348919 | 512 | /** |
| MrBedfordVan | 0:b9164b348919 | 513 | * Add a component to the array of system components. This component will then receive |
| MrBedfordVan | 0:b9164b348919 | 514 | * periodic callbacks, once every tick period in interrupt context. |
| MrBedfordVan | 0:b9164b348919 | 515 | * |
| MrBedfordVan | 0:b9164b348919 | 516 | * @param component The component to add. |
| MrBedfordVan | 0:b9164b348919 | 517 | * |
| MrBedfordVan | 0:b9164b348919 | 518 | * @return MICROBIT_OK on success or MICROBIT_NO_RESOURCES if the component array is full. |
| MrBedfordVan | 0:b9164b348919 | 519 | * |
| MrBedfordVan | 0:b9164b348919 | 520 | * @code |
| MrBedfordVan | 0:b9164b348919 | 521 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 522 | * MicroBitDisplay* display = new MicroBitDisplay(); |
| MrBedfordVan | 0:b9164b348919 | 523 | * |
| MrBedfordVan | 0:b9164b348919 | 524 | * uBit.addSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 525 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 526 | * |
| MrBedfordVan | 0:b9164b348919 | 527 | * @note This interface is now deprecated, and will be removed in the next major release. Please use system_timer_add_component(). |
| MrBedfordVan | 0:b9164b348919 | 528 | */ |
| MrBedfordVan | 0:b9164b348919 | 529 | inline int MicroBit::addSystemComponent(MicroBitComponent *component) |
| MrBedfordVan | 0:b9164b348919 | 530 | { |
| MrBedfordVan | 0:b9164b348919 | 531 | return system_timer_add_component(component); |
| MrBedfordVan | 0:b9164b348919 | 532 | } |
| MrBedfordVan | 0:b9164b348919 | 533 | |
| MrBedfordVan | 0:b9164b348919 | 534 | /** |
| MrBedfordVan | 0:b9164b348919 | 535 | * Remove a component from the array of system components. This component will no longer receive |
| MrBedfordVan | 0:b9164b348919 | 536 | * periodic callbacks. |
| MrBedfordVan | 0:b9164b348919 | 537 | * |
| MrBedfordVan | 0:b9164b348919 | 538 | * @param component The component to remove. |
| MrBedfordVan | 0:b9164b348919 | 539 | * |
| MrBedfordVan | 0:b9164b348919 | 540 | * @return MICROBIT_OK on success or MICROBIT_INVALID_PARAMETER is returned if the given component has not been previously added. |
| MrBedfordVan | 0:b9164b348919 | 541 | * |
| MrBedfordVan | 0:b9164b348919 | 542 | * @code |
| MrBedfordVan | 0:b9164b348919 | 543 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 544 | * MicroBitDisplay* display = new MicroBitDisplay(); |
| MrBedfordVan | 0:b9164b348919 | 545 | * |
| MrBedfordVan | 0:b9164b348919 | 546 | * uBit.addSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 547 | * |
| MrBedfordVan | 0:b9164b348919 | 548 | * uBit.removeSystemComponent(display); |
| MrBedfordVan | 0:b9164b348919 | 549 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 550 | * |
| MrBedfordVan | 0:b9164b348919 | 551 | * @note This interface is now deprecated, and will be removed in the next major release. Please use system_timer_remove_component(). |
| MrBedfordVan | 0:b9164b348919 | 552 | */ |
| MrBedfordVan | 0:b9164b348919 | 553 | inline int MicroBit::removeSystemComponent(MicroBitComponent *component) |
| MrBedfordVan | 0:b9164b348919 | 554 | { |
| MrBedfordVan | 0:b9164b348919 | 555 | return system_timer_remove_component(component); |
| MrBedfordVan | 0:b9164b348919 | 556 | } |
| MrBedfordVan | 0:b9164b348919 | 557 | |
| MrBedfordVan | 0:b9164b348919 | 558 | /** |
| MrBedfordVan | 0:b9164b348919 | 559 | * Adds a component to the array of idle thread components, which are processed |
| MrBedfordVan | 0:b9164b348919 | 560 | * when the run queue is empty. |
| MrBedfordVan | 0:b9164b348919 | 561 | * |
| MrBedfordVan | 0:b9164b348919 | 562 | * The system timer will poll isIdleCallbackNeeded on each component to determine |
| MrBedfordVan | 0:b9164b348919 | 563 | * if the scheduler should schedule the idle_task imminently. |
| MrBedfordVan | 0:b9164b348919 | 564 | * |
| MrBedfordVan | 0:b9164b348919 | 565 | * @param component The component to add to the array. |
| MrBedfordVan | 0:b9164b348919 | 566 | * |
| MrBedfordVan | 0:b9164b348919 | 567 | * @return MICROBIT_OK on success or MICROBIT_NO_RESOURCES if the fiber components array is full. |
| MrBedfordVan | 0:b9164b348919 | 568 | * |
| MrBedfordVan | 0:b9164b348919 | 569 | * @code |
| MrBedfordVan | 0:b9164b348919 | 570 | * MicroBitI2C i2c(I2C_SDA0, I2C_SCL0); |
| MrBedfordVan | 0:b9164b348919 | 571 | * |
| MrBedfordVan | 0:b9164b348919 | 572 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 573 | * MicroBitAccelerometer* accelerometer = new MicroBitAccelerometer(i2c); |
| MrBedfordVan | 0:b9164b348919 | 574 | * |
| MrBedfordVan | 0:b9164b348919 | 575 | * fiber_add_idle_component(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 576 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 577 | * |
| MrBedfordVan | 0:b9164b348919 | 578 | * @note This interface is now deprecated, and will be removed in the next major release. Please use fiber_add_idle_component(). |
| MrBedfordVan | 0:b9164b348919 | 579 | */ |
| MrBedfordVan | 0:b9164b348919 | 580 | inline int MicroBit::addIdleComponent(MicroBitComponent *component) |
| MrBedfordVan | 0:b9164b348919 | 581 | { |
| MrBedfordVan | 0:b9164b348919 | 582 | return fiber_add_idle_component(component); |
| MrBedfordVan | 0:b9164b348919 | 583 | } |
| MrBedfordVan | 0:b9164b348919 | 584 | |
| MrBedfordVan | 0:b9164b348919 | 585 | /** |
| MrBedfordVan | 0:b9164b348919 | 586 | * Remove a component from the array of idle thread components |
| MrBedfordVan | 0:b9164b348919 | 587 | * |
| MrBedfordVan | 0:b9164b348919 | 588 | * @param component The component to remove from the idle component array. |
| MrBedfordVan | 0:b9164b348919 | 589 | * |
| MrBedfordVan | 0:b9164b348919 | 590 | * @return MICROBIT_OK on success. MICROBIT_INVALID_PARAMETER is returned if the given component has not been previously added. |
| MrBedfordVan | 0:b9164b348919 | 591 | * |
| MrBedfordVan | 0:b9164b348919 | 592 | * @code |
| MrBedfordVan | 0:b9164b348919 | 593 | * MicroBitI2C i2c(I2C_SDA0, I2C_SCL0); |
| MrBedfordVan | 0:b9164b348919 | 594 | * |
| MrBedfordVan | 0:b9164b348919 | 595 | * // heap allocated - otherwise it will be paged out! |
| MrBedfordVan | 0:b9164b348919 | 596 | * MicroBitAccelerometer* accelerometer = new MicroBitAccelerometer(i2c); |
| MrBedfordVan | 0:b9164b348919 | 597 | * |
| MrBedfordVan | 0:b9164b348919 | 598 | * uBit.addIdleComponent(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 599 | * |
| MrBedfordVan | 0:b9164b348919 | 600 | * uBit.removeIdleComponent(accelerometer); |
| MrBedfordVan | 0:b9164b348919 | 601 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 602 | * |
| MrBedfordVan | 0:b9164b348919 | 603 | * @note This interface is now deprecated, and will be removed in the next major release. Please use fiber_remove_idle_component(). |
| MrBedfordVan | 0:b9164b348919 | 604 | */ |
| MrBedfordVan | 0:b9164b348919 | 605 | inline int MicroBit::removeIdleComponent(MicroBitComponent *component) |
| MrBedfordVan | 0:b9164b348919 | 606 | { |
| MrBedfordVan | 0:b9164b348919 | 607 | return fiber_remove_idle_component(component); |
| MrBedfordVan | 0:b9164b348919 | 608 | } |
| MrBedfordVan | 0:b9164b348919 | 609 | |
| MrBedfordVan | 0:b9164b348919 | 610 | |
| MrBedfordVan | 0:b9164b348919 | 611 | /** |
| MrBedfordVan | 0:b9164b348919 | 612 | * Determine the time since this MicroBit was last reset. |
| MrBedfordVan | 0:b9164b348919 | 613 | * |
| MrBedfordVan | 0:b9164b348919 | 614 | * @return The time since the last reset, in milliseconds. |
| MrBedfordVan | 0:b9164b348919 | 615 | * |
| MrBedfordVan | 0:b9164b348919 | 616 | * @note This will value overflow after 1.6 months. |
| MrBedfordVan | 0:b9164b348919 | 617 | */ |
| MrBedfordVan | 0:b9164b348919 | 618 | inline unsigned long MicroBit::systemTime() |
| MrBedfordVan | 0:b9164b348919 | 619 | { |
| MrBedfordVan | 0:b9164b348919 | 620 | return system_timer_current_time(); |
| MrBedfordVan | 0:b9164b348919 | 621 | } |
| MrBedfordVan | 0:b9164b348919 | 622 | |
| MrBedfordVan | 0:b9164b348919 | 623 | |
| MrBedfordVan | 0:b9164b348919 | 624 | /** |
| MrBedfordVan | 0:b9164b348919 | 625 | * Determine the version of the micro:bit runtime currently in use. |
| MrBedfordVan | 0:b9164b348919 | 626 | * |
| MrBedfordVan | 0:b9164b348919 | 627 | * @return A textual description of the version of the micro:bit runtime that |
| MrBedfordVan | 0:b9164b348919 | 628 | * is currently running on this device. |
| MrBedfordVan | 0:b9164b348919 | 629 | */ |
| MrBedfordVan | 0:b9164b348919 | 630 | inline const char *MicroBit::systemVersion() |
| MrBedfordVan | 0:b9164b348919 | 631 | { |
| MrBedfordVan | 0:b9164b348919 | 632 | return microbit_dal_version(); |
| MrBedfordVan | 0:b9164b348919 | 633 | } |
| MrBedfordVan | 0:b9164b348919 | 634 | |
| MrBedfordVan | 0:b9164b348919 | 635 | /** |
| MrBedfordVan | 0:b9164b348919 | 636 | * Triggers a microbit panic where an loop will display a panic face |
| MrBedfordVan | 0:b9164b348919 | 637 | * and the status code, if provided. |
| MrBedfordVan | 0:b9164b348919 | 638 | * |
| MrBedfordVan | 0:b9164b348919 | 639 | * This loop will continue for panic_timeout iterations, defaults to 0 (infinite). |
| MrBedfordVan | 0:b9164b348919 | 640 | * |
| MrBedfordVan | 0:b9164b348919 | 641 | * panic_timeout can be configured via a call to microbit_panic_timeout. |
| MrBedfordVan | 0:b9164b348919 | 642 | * |
| MrBedfordVan | 0:b9164b348919 | 643 | * @param statusCode the status code of the associated error. |
| MrBedfordVan | 0:b9164b348919 | 644 | * |
| MrBedfordVan | 0:b9164b348919 | 645 | * @code |
| MrBedfordVan | 0:b9164b348919 | 646 | * microbit_panic_timeout(4); |
| MrBedfordVan | 0:b9164b348919 | 647 | * |
| MrBedfordVan | 0:b9164b348919 | 648 | * // will display loop for 4 iterations. |
| MrBedfordVan | 0:b9164b348919 | 649 | * uBit.panic(10); |
| MrBedfordVan | 0:b9164b348919 | 650 | * @endcode |
| MrBedfordVan | 0:b9164b348919 | 651 | */ |
| MrBedfordVan | 0:b9164b348919 | 652 | inline void MicroBit::panic(int statusCode) |
| MrBedfordVan | 0:b9164b348919 | 653 | { |
| MrBedfordVan | 0:b9164b348919 | 654 | //show error and enter infinite while |
| MrBedfordVan | 0:b9164b348919 | 655 | microbit_panic(statusCode); |
| MrBedfordVan | 0:b9164b348919 | 656 | } |
| MrBedfordVan | 0:b9164b348919 | 657 | |
| MrBedfordVan | 0:b9164b348919 | 658 | #endif |