mbed.org local branch of microbit-dal. The real version lives in git at https://github.com/lancaster-university/microbit-dal

Dependencies:   BLE_API nRF51822 mbed-dev-bin

Dependents:   microbit Microbit IoTChallenge1 microbit ... more

Committer:
LancasterUniversity
Date:
Wed Jul 13 12:17:56 2016 +0100
Revision:
23:6055f6c19fa6
Parent:
22:23d7b9a4b082
Child:
25:27299423d813
Synchronized with git rev 051abec1
Author: Martin Woolley
Changed BLE connection event constant names to match LU groovy naming convention

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Jonathan Austin 1:8aa5cdb4ab67 1 /*
Jonathan Austin 1:8aa5cdb4ab67 2 The MIT License (MIT)
Jonathan Austin 1:8aa5cdb4ab67 3
Jonathan Austin 1:8aa5cdb4ab67 4 Copyright (c) 2016 British Broadcasting Corporation.
Jonathan Austin 1:8aa5cdb4ab67 5 This software is provided by Lancaster University by arrangement with the BBC.
Jonathan Austin 1:8aa5cdb4ab67 6
Jonathan Austin 1:8aa5cdb4ab67 7 Permission is hereby granted, free of charge, to any person obtaining a
Jonathan Austin 1:8aa5cdb4ab67 8 copy of this software and associated documentation files (the "Software"),
Jonathan Austin 1:8aa5cdb4ab67 9 to deal in the Software without restriction, including without limitation
Jonathan Austin 1:8aa5cdb4ab67 10 the rights to use, copy, modify, merge, publish, distribute, sublicense,
Jonathan Austin 1:8aa5cdb4ab67 11 and/or sell copies of the Software, and to permit persons to whom the
Jonathan Austin 1:8aa5cdb4ab67 12 Software is furnished to do so, subject to the following conditions:
Jonathan Austin 1:8aa5cdb4ab67 13
Jonathan Austin 1:8aa5cdb4ab67 14 The above copyright notice and this permission notice shall be included in
Jonathan Austin 1:8aa5cdb4ab67 15 all copies or substantial portions of the Software.
Jonathan Austin 1:8aa5cdb4ab67 16
Jonathan Austin 1:8aa5cdb4ab67 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Jonathan Austin 1:8aa5cdb4ab67 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Jonathan Austin 1:8aa5cdb4ab67 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
Jonathan Austin 1:8aa5cdb4ab67 20 THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
Jonathan Austin 1:8aa5cdb4ab67 22 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
Jonathan Austin 1:8aa5cdb4ab67 23 DEALINGS IN THE SOFTWARE.
Jonathan Austin 1:8aa5cdb4ab67 24 */
Jonathan Austin 1:8aa5cdb4ab67 25
Jonathan Austin 1:8aa5cdb4ab67 26 #ifndef MICROBIT_DISPLAY_H
Jonathan Austin 1:8aa5cdb4ab67 27 #define MICROBIT_DISPLAY_H
Jonathan Austin 1:8aa5cdb4ab67 28
Jonathan Austin 1:8aa5cdb4ab67 29 #include "mbed.h"
Jonathan Austin 1:8aa5cdb4ab67 30 #include "MicroBitConfig.h"
Jonathan Austin 1:8aa5cdb4ab67 31 #include "ManagedString.h"
Jonathan Austin 1:8aa5cdb4ab67 32 #include "MicroBitComponent.h"
Jonathan Austin 1:8aa5cdb4ab67 33 #include "MicroBitImage.h"
Jonathan Austin 1:8aa5cdb4ab67 34 #include "MicroBitFont.h"
Jonathan Austin 1:8aa5cdb4ab67 35 #include "MicroBitMatrixMaps.h"
Jonathan Austin 1:8aa5cdb4ab67 36 #include "MicroBitLightSensor.h"
Jonathan Austin 1:8aa5cdb4ab67 37
Jonathan Austin 1:8aa5cdb4ab67 38 /**
Jonathan Austin 1:8aa5cdb4ab67 39 * Event codes raised by MicroBitDisplay
Jonathan Austin 1:8aa5cdb4ab67 40 */
Jonathan Austin 1:8aa5cdb4ab67 41 #define MICROBIT_DISPLAY_EVT_ANIMATION_COMPLETE 1
Jonathan Austin 1:8aa5cdb4ab67 42 #define MICROBIT_DISPLAY_EVT_LIGHT_SENSE 2
Jonathan Austin 1:8aa5cdb4ab67 43
Jonathan Austin 1:8aa5cdb4ab67 44 //
Jonathan Austin 1:8aa5cdb4ab67 45 // Internal constants
Jonathan Austin 1:8aa5cdb4ab67 46 //
LancasterUniversity 23:6055f6c19fa6 47
Jonathan Austin 1:8aa5cdb4ab67 48 #define MICROBIT_DISPLAY_SPACING 1
Jonathan Austin 1:8aa5cdb4ab67 49 #define MICROBIT_DISPLAY_GREYSCALE_BIT_DEPTH 8
Jonathan Austin 1:8aa5cdb4ab67 50 #define MICROBIT_DISPLAY_ANIMATE_DEFAULT_POS -255
Jonathan Austin 1:8aa5cdb4ab67 51
Jonathan Austin 1:8aa5cdb4ab67 52 enum AnimationMode {
Jonathan Austin 1:8aa5cdb4ab67 53 ANIMATION_MODE_NONE,
Jonathan Austin 1:8aa5cdb4ab67 54 ANIMATION_MODE_STOPPED,
Jonathan Austin 1:8aa5cdb4ab67 55 ANIMATION_MODE_SCROLL_TEXT,
Jonathan Austin 1:8aa5cdb4ab67 56 ANIMATION_MODE_PRINT_TEXT,
Jonathan Austin 1:8aa5cdb4ab67 57 ANIMATION_MODE_SCROLL_IMAGE,
Jonathan Austin 1:8aa5cdb4ab67 58 ANIMATION_MODE_ANIMATE_IMAGE,
Jonathan Austin 1:8aa5cdb4ab67 59 ANIMATION_MODE_PRINT_CHARACTER
Jonathan Austin 1:8aa5cdb4ab67 60 };
Jonathan Austin 1:8aa5cdb4ab67 61
Jonathan Austin 1:8aa5cdb4ab67 62 enum DisplayMode {
Jonathan Austin 1:8aa5cdb4ab67 63 DISPLAY_MODE_BLACK_AND_WHITE,
Jonathan Austin 1:8aa5cdb4ab67 64 DISPLAY_MODE_GREYSCALE,
Jonathan Austin 1:8aa5cdb4ab67 65 DISPLAY_MODE_BLACK_AND_WHITE_LIGHT_SENSE
Jonathan Austin 1:8aa5cdb4ab67 66 };
Jonathan Austin 1:8aa5cdb4ab67 67
Jonathan Austin 1:8aa5cdb4ab67 68 enum DisplayRotation {
Jonathan Austin 1:8aa5cdb4ab67 69 MICROBIT_DISPLAY_ROTATION_0,
Jonathan Austin 1:8aa5cdb4ab67 70 MICROBIT_DISPLAY_ROTATION_90,
Jonathan Austin 1:8aa5cdb4ab67 71 MICROBIT_DISPLAY_ROTATION_180,
Jonathan Austin 1:8aa5cdb4ab67 72 MICROBIT_DISPLAY_ROTATION_270
Jonathan Austin 1:8aa5cdb4ab67 73 };
Jonathan Austin 1:8aa5cdb4ab67 74
Jonathan Austin 1:8aa5cdb4ab67 75 /**
Jonathan Austin 1:8aa5cdb4ab67 76 * Class definition for MicroBitDisplay.
Jonathan Austin 1:8aa5cdb4ab67 77 *
Jonathan Austin 1:8aa5cdb4ab67 78 * A MicroBitDisplay represents the LED matrix array on the micro:bit.
Jonathan Austin 1:8aa5cdb4ab67 79 */
Jonathan Austin 1:8aa5cdb4ab67 80 class MicroBitDisplay : public MicroBitComponent
Jonathan Austin 1:8aa5cdb4ab67 81 {
Jonathan Austin 1:8aa5cdb4ab67 82 uint8_t width;
Jonathan Austin 1:8aa5cdb4ab67 83 uint8_t height;
Jonathan Austin 1:8aa5cdb4ab67 84 uint8_t brightness;
Jonathan Austin 1:8aa5cdb4ab67 85 uint8_t strobeRow;
Jonathan Austin 1:8aa5cdb4ab67 86 uint8_t rotation;
Jonathan Austin 1:8aa5cdb4ab67 87 uint8_t mode;
Jonathan Austin 1:8aa5cdb4ab67 88 uint8_t greyscaleBitMsk;
Jonathan Austin 1:8aa5cdb4ab67 89 uint8_t timingCount;
Jonathan Austin 1:8aa5cdb4ab67 90 uint32_t col_mask;
Jonathan Austin 1:8aa5cdb4ab67 91
Jonathan Austin 1:8aa5cdb4ab67 92 Timeout renderTimer;
Jonathan Austin 1:8aa5cdb4ab67 93 PortOut *LEDMatrix;
Jonathan Austin 1:8aa5cdb4ab67 94
Jonathan Austin 1:8aa5cdb4ab67 95 //
Jonathan Austin 1:8aa5cdb4ab67 96 // State used by all animation routines.
Jonathan Austin 1:8aa5cdb4ab67 97 //
Jonathan Austin 1:8aa5cdb4ab67 98
Jonathan Austin 1:8aa5cdb4ab67 99 // The animation mode that's currently running (if any)
Jonathan Austin 1:8aa5cdb4ab67 100 volatile AnimationMode animationMode;
Jonathan Austin 1:8aa5cdb4ab67 101
Jonathan Austin 1:8aa5cdb4ab67 102 // The time in milliseconds between each frame update.
Jonathan Austin 1:8aa5cdb4ab67 103 uint16_t animationDelay;
Jonathan Austin 1:8aa5cdb4ab67 104
Jonathan Austin 1:8aa5cdb4ab67 105 // The time in milliseconds since the frame update.
Jonathan Austin 1:8aa5cdb4ab67 106 uint16_t animationTick;
Jonathan Austin 1:8aa5cdb4ab67 107
Jonathan Austin 1:8aa5cdb4ab67 108 // Stop playback of any animations
Jonathan Austin 1:8aa5cdb4ab67 109 void stopAnimation(int delay);
Jonathan Austin 1:8aa5cdb4ab67 110
Jonathan Austin 1:8aa5cdb4ab67 111 //
Jonathan Austin 1:8aa5cdb4ab67 112 // State for scrollString() method.
Jonathan Austin 1:8aa5cdb4ab67 113 // This is a surprisingly intricate method.
Jonathan Austin 1:8aa5cdb4ab67 114 //
Jonathan Austin 1:8aa5cdb4ab67 115 // The text being displayed.
Jonathan Austin 1:8aa5cdb4ab67 116 ManagedString scrollingText;
Jonathan Austin 1:8aa5cdb4ab67 117
Jonathan Austin 1:8aa5cdb4ab67 118 // The index of the character currently being displayed.
Jonathan Austin 1:8aa5cdb4ab67 119 uint16_t scrollingChar;
Jonathan Austin 1:8aa5cdb4ab67 120
Jonathan Austin 1:8aa5cdb4ab67 121 // The number of pixels the current character has been shifted on the display.
Jonathan Austin 1:8aa5cdb4ab67 122 uint8_t scrollingPosition;
Jonathan Austin 1:8aa5cdb4ab67 123
Jonathan Austin 1:8aa5cdb4ab67 124 //
Jonathan Austin 1:8aa5cdb4ab67 125 // State for printString() method.
Jonathan Austin 1:8aa5cdb4ab67 126 //
Jonathan Austin 1:8aa5cdb4ab67 127 // The text being displayed. NULL if no message is scheduled for playback.
Jonathan Austin 1:8aa5cdb4ab67 128 // We *could* get some reuse in here with the scroll* variables above,
Jonathan Austin 1:8aa5cdb4ab67 129 // but best to keep it clean in case kids try concurrent operation (they will!),
Jonathan Austin 1:8aa5cdb4ab67 130 // given the small RAM overhead needed to maintain orthogonality.
Jonathan Austin 1:8aa5cdb4ab67 131 ManagedString printingText;
Jonathan Austin 1:8aa5cdb4ab67 132
Jonathan Austin 1:8aa5cdb4ab67 133 // The index of the character currently being displayed.
Jonathan Austin 1:8aa5cdb4ab67 134 uint16_t printingChar;
Jonathan Austin 1:8aa5cdb4ab67 135
Jonathan Austin 1:8aa5cdb4ab67 136 //
Jonathan Austin 1:8aa5cdb4ab67 137 // State for scrollImage() method.
Jonathan Austin 1:8aa5cdb4ab67 138 //
Jonathan Austin 1:8aa5cdb4ab67 139 // The image being displayed.
Jonathan Austin 1:8aa5cdb4ab67 140 MicroBitImage scrollingImage;
Jonathan Austin 1:8aa5cdb4ab67 141
Jonathan Austin 1:8aa5cdb4ab67 142 // The number of pixels the image has been shifted on the display.
Jonathan Austin 1:8aa5cdb4ab67 143 int16_t scrollingImagePosition;
Jonathan Austin 1:8aa5cdb4ab67 144
Jonathan Austin 1:8aa5cdb4ab67 145 // The number of pixels the image is shifted on the display in each quantum.
Jonathan Austin 1:8aa5cdb4ab67 146 int8_t scrollingImageStride;
Jonathan Austin 1:8aa5cdb4ab67 147
Jonathan Austin 1:8aa5cdb4ab67 148 // A pointer to an instance of light sensor, if in use
Jonathan Austin 1:8aa5cdb4ab67 149 MicroBitLightSensor* lightSensor;
Jonathan Austin 1:8aa5cdb4ab67 150
Jonathan Austin 1:8aa5cdb4ab67 151 // Flag to indicate if image has been rendered to screen yet (or not)
Jonathan Austin 1:8aa5cdb4ab67 152 bool scrollingImageRendered;
Jonathan Austin 1:8aa5cdb4ab67 153
Jonathan Austin 1:8aa5cdb4ab67 154 const MatrixMap &matrixMap;
Jonathan Austin 1:8aa5cdb4ab67 155
Jonathan Austin 1:8aa5cdb4ab67 156 // Internal methods to handle animation.
Jonathan Austin 1:8aa5cdb4ab67 157
Jonathan Austin 1:8aa5cdb4ab67 158 /**
Jonathan Austin 1:8aa5cdb4ab67 159 * Periodic callback, that we use to perform any animations we have running.
Jonathan Austin 1:8aa5cdb4ab67 160 */
Jonathan Austin 1:8aa5cdb4ab67 161 void animationUpdate();
Jonathan Austin 1:8aa5cdb4ab67 162
Jonathan Austin 1:8aa5cdb4ab67 163 /**
Jonathan Austin 1:8aa5cdb4ab67 164 * Called by the display in an interval determined by the brightness of the display, to give an impression
Jonathan Austin 1:8aa5cdb4ab67 165 * of brightness.
Jonathan Austin 1:8aa5cdb4ab67 166 */
Jonathan Austin 1:8aa5cdb4ab67 167 void renderFinish();
Jonathan Austin 1:8aa5cdb4ab67 168
Jonathan Austin 1:8aa5cdb4ab67 169 /**
Jonathan Austin 1:8aa5cdb4ab67 170 * Translates a bit mask to a bit mask suitable for the nrf PORT0 and PORT1.
Jonathan Austin 1:8aa5cdb4ab67 171 * Brightness has two levels on, or off.
Jonathan Austin 1:8aa5cdb4ab67 172 */
Jonathan Austin 1:8aa5cdb4ab67 173 void render();
Jonathan Austin 1:8aa5cdb4ab67 174
Jonathan Austin 1:8aa5cdb4ab67 175 /**
Jonathan Austin 1:8aa5cdb4ab67 176 * Renders the current image, and drops the fourth frame to allow for
Jonathan Austin 1:8aa5cdb4ab67 177 * sensors that require the display to operate.
Jonathan Austin 1:8aa5cdb4ab67 178 */
Jonathan Austin 1:8aa5cdb4ab67 179 void renderWithLightSense();
Jonathan Austin 1:8aa5cdb4ab67 180
Jonathan Austin 1:8aa5cdb4ab67 181 /**
Jonathan Austin 1:8aa5cdb4ab67 182 * Translates a bit mask into a timer interrupt that gives the appearence of greyscale.
Jonathan Austin 1:8aa5cdb4ab67 183 */
Jonathan Austin 1:8aa5cdb4ab67 184 void renderGreyscale();
Jonathan Austin 1:8aa5cdb4ab67 185
Jonathan Austin 1:8aa5cdb4ab67 186 /**
Jonathan Austin 1:8aa5cdb4ab67 187 * Internal scrollText update method.
Jonathan Austin 1:8aa5cdb4ab67 188 * Shift the screen image by one pixel to the left. If necessary, paste in the next char.
Jonathan Austin 1:8aa5cdb4ab67 189 */
Jonathan Austin 1:8aa5cdb4ab67 190 void updateScrollText();
Jonathan Austin 1:8aa5cdb4ab67 191
Jonathan Austin 1:8aa5cdb4ab67 192 /**
Jonathan Austin 1:8aa5cdb4ab67 193 * Internal printText update method.
Jonathan Austin 1:8aa5cdb4ab67 194 * Paste the next character in the string.
Jonathan Austin 1:8aa5cdb4ab67 195 */
Jonathan Austin 1:8aa5cdb4ab67 196 void updatePrintText();
Jonathan Austin 1:8aa5cdb4ab67 197
Jonathan Austin 1:8aa5cdb4ab67 198 /**
Jonathan Austin 1:8aa5cdb4ab67 199 * Internal scrollImage update method.
Jonathan Austin 1:8aa5cdb4ab67 200 * Paste the stored bitmap at the appropriate point.
Jonathan Austin 1:8aa5cdb4ab67 201 */
Jonathan Austin 1:8aa5cdb4ab67 202 void updateScrollImage();
Jonathan Austin 1:8aa5cdb4ab67 203
Jonathan Austin 1:8aa5cdb4ab67 204 /**
Jonathan Austin 1:8aa5cdb4ab67 205 * Internal animateImage update method.
Jonathan Austin 1:8aa5cdb4ab67 206 * Paste the stored bitmap at the appropriate point and stop on the last frame.
Jonathan Austin 1:8aa5cdb4ab67 207 */
Jonathan Austin 1:8aa5cdb4ab67 208 void updateAnimateImage();
Jonathan Austin 1:8aa5cdb4ab67 209
Jonathan Austin 1:8aa5cdb4ab67 210 /**
Jonathan Austin 1:8aa5cdb4ab67 211 * Broadcasts an event onto the defult EventModel indicating that the
Jonathan Austin 1:8aa5cdb4ab67 212 * current animation has completed.
Jonathan Austin 1:8aa5cdb4ab67 213 */
Jonathan Austin 1:8aa5cdb4ab67 214 void sendAnimationCompleteEvent();
Jonathan Austin 1:8aa5cdb4ab67 215
Jonathan Austin 1:8aa5cdb4ab67 216 /**
Jonathan Austin 1:8aa5cdb4ab67 217 * Blocks the current fiber until the display is available (i.e. does not effect is being displayed).
Jonathan Austin 1:8aa5cdb4ab67 218 * Animations are queued until their time to display.
Jonathan Austin 1:8aa5cdb4ab67 219 */
Jonathan Austin 1:8aa5cdb4ab67 220 void waitForFreeDisplay();
Jonathan Austin 1:8aa5cdb4ab67 221
Jonathan Austin 1:8aa5cdb4ab67 222 /**
Jonathan Austin 1:8aa5cdb4ab67 223 * Blocks the current fiber until the current animation has finished.
Jonathan Austin 1:8aa5cdb4ab67 224 * If the scheduler is not running, this call will essentially perform a spinning wait.
Jonathan Austin 1:8aa5cdb4ab67 225 */
Jonathan Austin 1:8aa5cdb4ab67 226 void fiberWait();
Jonathan Austin 1:8aa5cdb4ab67 227
Jonathan Austin 1:8aa5cdb4ab67 228 /**
Jonathan Austin 1:8aa5cdb4ab67 229 * Enables or disables the display entirely, and releases the pins for other uses.
Jonathan Austin 1:8aa5cdb4ab67 230 *
Jonathan Austin 1:8aa5cdb4ab67 231 * @param enableDisplay true to enabled the display, or false to disable it.
Jonathan Austin 1:8aa5cdb4ab67 232 */
Jonathan Austin 1:8aa5cdb4ab67 233 void setEnable(bool enableDisplay);
Jonathan Austin 1:8aa5cdb4ab67 234
Jonathan Austin 1:8aa5cdb4ab67 235 public:
Jonathan Austin 1:8aa5cdb4ab67 236 // The mutable bitmap buffer being rendered to the LED matrix.
Jonathan Austin 1:8aa5cdb4ab67 237 MicroBitImage image;
Jonathan Austin 1:8aa5cdb4ab67 238
Jonathan Austin 1:8aa5cdb4ab67 239 /**
Jonathan Austin 1:8aa5cdb4ab67 240 * Constructor.
Jonathan Austin 1:8aa5cdb4ab67 241 *
Jonathan Austin 1:8aa5cdb4ab67 242 * Create a software representation the micro:bit's 5x5 LED matrix.
Jonathan Austin 1:8aa5cdb4ab67 243 * The display is initially blank.
Jonathan Austin 1:8aa5cdb4ab67 244 *
Jonathan Austin 1:8aa5cdb4ab67 245 * @param id The id the display should use when sending events on the MessageBus. Defaults to MICROBIT_ID_DISPLAY.
Jonathan Austin 1:8aa5cdb4ab67 246 *
Jonathan Austin 1:8aa5cdb4ab67 247 * @param map The mapping information that relates pin inputs/outputs to physical screen coordinates.
Jonathan Austin 1:8aa5cdb4ab67 248 * Defaults to microbitMatrixMap, defined in MicroBitMatrixMaps.h.
Jonathan Austin 1:8aa5cdb4ab67 249 *
Jonathan Austin 1:8aa5cdb4ab67 250 * @code
Jonathan Austin 1:8aa5cdb4ab67 251 * MicroBitDisplay display;
Jonathan Austin 1:8aa5cdb4ab67 252 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 253 */
Jonathan Austin 1:8aa5cdb4ab67 254 MicroBitDisplay(uint16_t id = MICROBIT_ID_DISPLAY, const MatrixMap &map = microbitMatrixMap);
Jonathan Austin 1:8aa5cdb4ab67 255
Jonathan Austin 1:8aa5cdb4ab67 256 /**
Jonathan Austin 1:8aa5cdb4ab67 257 * Stops any currently running animation, and any that are waiting to be displayed.
Jonathan Austin 1:8aa5cdb4ab67 258 */
Jonathan Austin 1:8aa5cdb4ab67 259 void stopAnimation();
Jonathan Austin 1:8aa5cdb4ab67 260
Jonathan Austin 1:8aa5cdb4ab67 261 /**
Jonathan Austin 1:8aa5cdb4ab67 262 * Frame update method, invoked periodically to strobe the display.
Jonathan Austin 1:8aa5cdb4ab67 263 */
Jonathan Austin 1:8aa5cdb4ab67 264 virtual void systemTick();
Jonathan Austin 1:8aa5cdb4ab67 265
Jonathan Austin 1:8aa5cdb4ab67 266 /**
Jonathan Austin 1:8aa5cdb4ab67 267 * Prints the given character to the display, if it is not in use.
Jonathan Austin 1:8aa5cdb4ab67 268 *
Jonathan Austin 1:8aa5cdb4ab67 269 * @param c The character to display.
Jonathan Austin 1:8aa5cdb4ab67 270 *
Jonathan Austin 1:8aa5cdb4ab67 271 * @param delay Optional parameter - the time for which to show the character. Zero displays the character forever,
Jonathan Austin 1:8aa5cdb4ab67 272 * or until the Displays next use.
Jonathan Austin 1:8aa5cdb4ab67 273 *
Jonathan Austin 1:8aa5cdb4ab67 274 * @return MICROBIT_OK, MICROBIT_BUSY is the screen is in use, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 275 *
Jonathan Austin 1:8aa5cdb4ab67 276 * @code
Jonathan Austin 1:8aa5cdb4ab67 277 * display.printAsync('p');
Jonathan Austin 1:8aa5cdb4ab67 278 * display.printAsync('p',100);
Jonathan Austin 1:8aa5cdb4ab67 279 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 280 */
Jonathan Austin 1:8aa5cdb4ab67 281 int printCharAsync(char c, int delay = 0);
Jonathan Austin 1:8aa5cdb4ab67 282
Jonathan Austin 1:8aa5cdb4ab67 283 /**
Jonathan Austin 1:8aa5cdb4ab67 284 * Prints the given ManagedString to the display, one character at a time.
Jonathan Austin 1:8aa5cdb4ab67 285 * Returns immediately, and executes the animation asynchronously.
Jonathan Austin 1:8aa5cdb4ab67 286 *
Jonathan Austin 1:8aa5cdb4ab67 287 * @param s The string to display.
Jonathan Austin 1:8aa5cdb4ab67 288 *
Jonathan Austin 1:8aa5cdb4ab67 289 * @param delay The time to delay between characters, in milliseconds. Must be > 0.
Jonathan Austin 1:8aa5cdb4ab67 290 * Defaults to: MICROBIT_DEFAULT_PRINT_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 291 *
Jonathan Austin 1:8aa5cdb4ab67 292 * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 293 *
Jonathan Austin 1:8aa5cdb4ab67 294 * @code
Jonathan Austin 1:8aa5cdb4ab67 295 * display.printAsync("abc123",400);
Jonathan Austin 1:8aa5cdb4ab67 296 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 297 */
Jonathan Austin 1:8aa5cdb4ab67 298 int printAsync(ManagedString s, int delay = MICROBIT_DEFAULT_PRINT_SPEED);
Jonathan Austin 1:8aa5cdb4ab67 299
Jonathan Austin 1:8aa5cdb4ab67 300 /**
Jonathan Austin 1:8aa5cdb4ab67 301 * Prints the given image to the display, if the display is not in use.
Jonathan Austin 1:8aa5cdb4ab67 302 * Returns immediately, and executes the animation asynchronously.
Jonathan Austin 1:8aa5cdb4ab67 303 *
Jonathan Austin 1:8aa5cdb4ab67 304 * @param i The image to display.
Jonathan Austin 1:8aa5cdb4ab67 305 *
Jonathan Austin 1:8aa5cdb4ab67 306 * @param x The horizontal position on the screen to display the image. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 307 *
Jonathan Austin 1:8aa5cdb4ab67 308 * @param y The vertical position on the screen to display the image. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 309 *
Jonathan Austin 1:8aa5cdb4ab67 310 * @param alpha Treats the brightness level '0' as transparent. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 311 *
Jonathan Austin 1:8aa5cdb4ab67 312 * @param delay The time to delay between characters, in milliseconds. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 313 *
Jonathan Austin 1:8aa5cdb4ab67 314 * @code
Jonathan Austin 1:8aa5cdb4ab67 315 * MicrobitImage i("1,1,1,1,1\n1,1,1,1,1\n");
Jonathan Austin 1:8aa5cdb4ab67 316 * display.print(i,400);
Jonathan Austin 1:8aa5cdb4ab67 317 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 318 */
Jonathan Austin 1:8aa5cdb4ab67 319 int printAsync(MicroBitImage i, int x = 0, int y = 0, int alpha = 0, int delay = 0);
Jonathan Austin 1:8aa5cdb4ab67 320
Jonathan Austin 1:8aa5cdb4ab67 321 /**
Jonathan Austin 1:8aa5cdb4ab67 322 * Prints the given character to the display.
Jonathan Austin 1:8aa5cdb4ab67 323 *
Jonathan Austin 1:8aa5cdb4ab67 324 * @param c The character to display.
Jonathan Austin 1:8aa5cdb4ab67 325 *
Jonathan Austin 1:8aa5cdb4ab67 326 * @param delay Optional parameter - the time for which to show the character. Zero displays the character forever,
Jonathan Austin 1:8aa5cdb4ab67 327 * or until the Displays next use.
Jonathan Austin 1:8aa5cdb4ab67 328 *
Jonathan Austin 1:8aa5cdb4ab67 329 * @return MICROBIT_OK, MICROBIT_CANCELLED or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 330 *
Jonathan Austin 1:8aa5cdb4ab67 331 * @code
Jonathan Austin 1:8aa5cdb4ab67 332 * display.printAsync('p');
Jonathan Austin 1:8aa5cdb4ab67 333 * display.printAsync('p',100);
Jonathan Austin 1:8aa5cdb4ab67 334 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 335 */
Jonathan Austin 1:8aa5cdb4ab67 336 int printChar(char c, int delay = 0);
Jonathan Austin 1:8aa5cdb4ab67 337
Jonathan Austin 1:8aa5cdb4ab67 338 /**
Jonathan Austin 1:8aa5cdb4ab67 339 * Prints the given string to the display, one character at a time.
Jonathan Austin 1:8aa5cdb4ab67 340 *
Jonathan Austin 1:8aa5cdb4ab67 341 * Blocks the calling thread until all the text has been displayed.
Jonathan Austin 1:8aa5cdb4ab67 342 *
Jonathan Austin 1:8aa5cdb4ab67 343 * @param s The string to display.
Jonathan Austin 1:8aa5cdb4ab67 344 *
Jonathan Austin 1:8aa5cdb4ab67 345 * @param delay The time to delay between characters, in milliseconds. Defaults
Jonathan Austin 1:8aa5cdb4ab67 346 * to: MICROBIT_DEFAULT_PRINT_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 347 *
Jonathan Austin 1:8aa5cdb4ab67 348 * @return MICROBIT_OK, MICROBIT_CANCELLED or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 349 *
Jonathan Austin 1:8aa5cdb4ab67 350 * @code
Jonathan Austin 1:8aa5cdb4ab67 351 * display.print("abc123",400);
Jonathan Austin 1:8aa5cdb4ab67 352 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 353 */
Jonathan Austin 1:8aa5cdb4ab67 354 int print(ManagedString s, int delay = MICROBIT_DEFAULT_PRINT_SPEED);
Jonathan Austin 1:8aa5cdb4ab67 355
Jonathan Austin 1:8aa5cdb4ab67 356 /**
Jonathan Austin 1:8aa5cdb4ab67 357 * Prints the given image to the display.
Jonathan Austin 1:8aa5cdb4ab67 358 * Blocks the calling thread until all the image has been displayed.
Jonathan Austin 1:8aa5cdb4ab67 359 *
Jonathan Austin 1:8aa5cdb4ab67 360 * @param i The image to display.
Jonathan Austin 1:8aa5cdb4ab67 361 *
Jonathan Austin 1:8aa5cdb4ab67 362 * @param x The horizontal position on the screen to display the image. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 363 *
Jonathan Austin 1:8aa5cdb4ab67 364 * @param y The vertical position on the screen to display the image. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 365 *
Jonathan Austin 1:8aa5cdb4ab67 366 * @param alpha Treats the brightness level '0' as transparent. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 367 *
Jonathan Austin 1:8aa5cdb4ab67 368 * @param delay The time to display the image for, or zero to show the image forever. Defaults to 0.
Jonathan Austin 1:8aa5cdb4ab67 369 *
Jonathan Austin 1:8aa5cdb4ab67 370 * @return MICROBIT_OK, MICROBIT_BUSY if the display is already in use, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 371 *
Jonathan Austin 1:8aa5cdb4ab67 372 * @code
Jonathan Austin 1:8aa5cdb4ab67 373 * MicrobitImage i("1,1,1,1,1\n1,1,1,1,1\n");
Jonathan Austin 1:8aa5cdb4ab67 374 * display.print(i,400);
Jonathan Austin 1:8aa5cdb4ab67 375 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 376 */
Jonathan Austin 1:8aa5cdb4ab67 377 int print(MicroBitImage i, int x = 0, int y = 0, int alpha = 0, int delay = 0);
Jonathan Austin 1:8aa5cdb4ab67 378
Jonathan Austin 1:8aa5cdb4ab67 379 /**
Jonathan Austin 1:8aa5cdb4ab67 380 * Scrolls the given string to the display, from right to left.
Jonathan Austin 1:8aa5cdb4ab67 381 * Returns immediately, and executes the animation asynchronously.
Jonathan Austin 1:8aa5cdb4ab67 382 *
Jonathan Austin 1:8aa5cdb4ab67 383 * @param s The string to display.
Jonathan Austin 1:8aa5cdb4ab67 384 *
Jonathan Austin 1:8aa5cdb4ab67 385 * @param delay The time to delay between characters, in milliseconds. Defaults
Jonathan Austin 1:8aa5cdb4ab67 386 * to: MICROBIT_DEFAULT_SCROLL_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 387 *
Jonathan Austin 1:8aa5cdb4ab67 388 * @return MICROBIT_OK, MICROBIT_BUSY if the display is already in use, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 389 *
Jonathan Austin 1:8aa5cdb4ab67 390 * @code
Jonathan Austin 1:8aa5cdb4ab67 391 * display.scrollAsync("abc123",100);
Jonathan Austin 1:8aa5cdb4ab67 392 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 393 */
Jonathan Austin 1:8aa5cdb4ab67 394 int scrollAsync(ManagedString s, int delay = MICROBIT_DEFAULT_SCROLL_SPEED);
Jonathan Austin 1:8aa5cdb4ab67 395
Jonathan Austin 1:8aa5cdb4ab67 396 /**
Jonathan Austin 1:8aa5cdb4ab67 397 * Scrolls the given image across the display, from right to left.
Jonathan Austin 1:8aa5cdb4ab67 398 * Returns immediately, and executes the animation asynchronously.
Jonathan Austin 1:8aa5cdb4ab67 399 *
Jonathan Austin 1:8aa5cdb4ab67 400 * @param image The image to display.
Jonathan Austin 1:8aa5cdb4ab67 401 *
Jonathan Austin 1:8aa5cdb4ab67 402 * @param delay The time between updates, in milliseconds. Defaults
Jonathan Austin 1:8aa5cdb4ab67 403 * to: MICROBIT_DEFAULT_SCROLL_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 404 *
Jonathan Austin 1:8aa5cdb4ab67 405 * @param stride The number of pixels to shift by in each update. Defaults to MICROBIT_DEFAULT_SCROLL_STRIDE.
Jonathan Austin 1:8aa5cdb4ab67 406 *
Jonathan Austin 1:8aa5cdb4ab67 407 * @return MICROBIT_OK, MICROBIT_BUSY if the display is already in use, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 408 *
Jonathan Austin 1:8aa5cdb4ab67 409 * @code
Jonathan Austin 1:8aa5cdb4ab67 410 * MicrobitImage i("1,1,1,1,1\n1,1,1,1,1\n");
Jonathan Austin 1:8aa5cdb4ab67 411 * display.scrollAsync(i,100,1);
Jonathan Austin 1:8aa5cdb4ab67 412 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 413 */
Jonathan Austin 1:8aa5cdb4ab67 414 int scrollAsync(MicroBitImage image, int delay = MICROBIT_DEFAULT_SCROLL_SPEED, int stride = MICROBIT_DEFAULT_SCROLL_STRIDE);
Jonathan Austin 1:8aa5cdb4ab67 415
Jonathan Austin 1:8aa5cdb4ab67 416 /**
Jonathan Austin 1:8aa5cdb4ab67 417 * Scrolls the given string across the display, from right to left.
Jonathan Austin 1:8aa5cdb4ab67 418 * Blocks the calling thread until all text has been displayed.
Jonathan Austin 1:8aa5cdb4ab67 419 *
Jonathan Austin 1:8aa5cdb4ab67 420 * @param s The string to display.
Jonathan Austin 1:8aa5cdb4ab67 421 *
Jonathan Austin 1:8aa5cdb4ab67 422 * @param delay The time to delay between characters, in milliseconds. Defaults
Jonathan Austin 1:8aa5cdb4ab67 423 * to: MICROBIT_DEFAULT_SCROLL_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 424 *
Jonathan Austin 1:8aa5cdb4ab67 425 * @return MICROBIT_OK, MICROBIT_CANCELLED or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 426 *
Jonathan Austin 1:8aa5cdb4ab67 427 * @code
Jonathan Austin 1:8aa5cdb4ab67 428 * display.scroll("abc123",100);
Jonathan Austin 1:8aa5cdb4ab67 429 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 430 */
Jonathan Austin 1:8aa5cdb4ab67 431 int scroll(ManagedString s, int delay = MICROBIT_DEFAULT_SCROLL_SPEED);
Jonathan Austin 1:8aa5cdb4ab67 432
Jonathan Austin 1:8aa5cdb4ab67 433 /**
Jonathan Austin 1:8aa5cdb4ab67 434 * Scrolls the given image across the display, from right to left.
Jonathan Austin 1:8aa5cdb4ab67 435 * Blocks the calling thread until all the text has been displayed.
Jonathan Austin 1:8aa5cdb4ab67 436 *
Jonathan Austin 1:8aa5cdb4ab67 437 * @param image The image to display.
Jonathan Austin 1:8aa5cdb4ab67 438 *
Jonathan Austin 1:8aa5cdb4ab67 439 * @param delay The time between updates, in milliseconds. Defaults
Jonathan Austin 1:8aa5cdb4ab67 440 * to: MICROBIT_DEFAULT_SCROLL_SPEED.
Jonathan Austin 1:8aa5cdb4ab67 441 *
Jonathan Austin 1:8aa5cdb4ab67 442 * @param stride The number of pixels to shift by in each update. Defaults to MICROBIT_DEFAULT_SCROLL_STRIDE.
Jonathan Austin 1:8aa5cdb4ab67 443 *
Jonathan Austin 1:8aa5cdb4ab67 444 * @return MICROBIT_OK, MICROBIT_CANCELLED or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 445 *
Jonathan Austin 1:8aa5cdb4ab67 446 * @code
Jonathan Austin 1:8aa5cdb4ab67 447 * MicrobitImage i("1,1,1,1,1\n1,1,1,1,1\n");
Jonathan Austin 1:8aa5cdb4ab67 448 * display.scroll(i,100,1);
Jonathan Austin 1:8aa5cdb4ab67 449 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 450 */
Jonathan Austin 1:8aa5cdb4ab67 451 int scroll(MicroBitImage image, int delay = MICROBIT_DEFAULT_SCROLL_SPEED, int stride = MICROBIT_DEFAULT_SCROLL_STRIDE);
Jonathan Austin 1:8aa5cdb4ab67 452
Jonathan Austin 1:8aa5cdb4ab67 453 /**
Jonathan Austin 1:8aa5cdb4ab67 454 * "Animates" the current image across the display with a given stride, finishing on the last frame of the animation.
Jonathan Austin 1:8aa5cdb4ab67 455 * Returns immediately.
Jonathan Austin 1:8aa5cdb4ab67 456 *
Jonathan Austin 1:8aa5cdb4ab67 457 * @param image The image to display.
Jonathan Austin 1:8aa5cdb4ab67 458 *
Jonathan Austin 1:8aa5cdb4ab67 459 * @param delay The time to delay between each update of the display, in milliseconds.
Jonathan Austin 1:8aa5cdb4ab67 460 *
Jonathan Austin 1:8aa5cdb4ab67 461 * @param stride The number of pixels to shift by in each update.
Jonathan Austin 1:8aa5cdb4ab67 462 *
Jonathan Austin 1:8aa5cdb4ab67 463 * @param startingPosition the starting position on the display for the animation
Jonathan Austin 1:8aa5cdb4ab67 464 * to begin at. Defaults to MICROBIT_DISPLAY_ANIMATE_DEFAULT_POS.
Jonathan Austin 1:8aa5cdb4ab67 465 *
Jonathan Austin 1:8aa5cdb4ab67 466 * @return MICROBIT_OK, MICROBIT_BUSY if the screen is in use, or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 467 *
Jonathan Austin 1:8aa5cdb4ab67 468 * @code
Jonathan Austin 1:8aa5cdb4ab67 469 * const int heart_w = 10;
Jonathan Austin 1:8aa5cdb4ab67 470 * const int heart_h = 5;
Jonathan Austin 1:8aa5cdb4ab67 471 * const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, };
Jonathan Austin 1:8aa5cdb4ab67 472 *
Jonathan Austin 1:8aa5cdb4ab67 473 * MicroBitImage i(heart_w,heart_h,heart);
Jonathan Austin 1:8aa5cdb4ab67 474 * display.animateAsync(i,100,5);
Jonathan Austin 1:8aa5cdb4ab67 475 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 476 */
LancasterUniversity 23:6055f6c19fa6 477 int animateAsync(MicroBitImage image, int delay, int stride, int startingPosition = MICROBIT_DISPLAY_ANIMATE_DEFAULT_POS);
Jonathan Austin 1:8aa5cdb4ab67 478
Jonathan Austin 1:8aa5cdb4ab67 479 /**
Jonathan Austin 1:8aa5cdb4ab67 480 * "Animates" the current image across the display with a given stride, finishing on the last frame of the animation.
Jonathan Austin 1:8aa5cdb4ab67 481 * Blocks the calling thread until the animation is complete.
Jonathan Austin 1:8aa5cdb4ab67 482 *
Jonathan Austin 1:8aa5cdb4ab67 483 *
Jonathan Austin 1:8aa5cdb4ab67 484 * @param delay The time to delay between each update of the display, in milliseconds.
Jonathan Austin 1:8aa5cdb4ab67 485 *
Jonathan Austin 1:8aa5cdb4ab67 486 * @param stride The number of pixels to shift by in each update.
Jonathan Austin 1:8aa5cdb4ab67 487 *
Jonathan Austin 1:8aa5cdb4ab67 488 * @param startingPosition the starting position on the display for the animation
Jonathan Austin 1:8aa5cdb4ab67 489 * to begin at. Defaults to MICROBIT_DISPLAY_ANIMATE_DEFAULT_POS.
Jonathan Austin 1:8aa5cdb4ab67 490 *
Jonathan Austin 1:8aa5cdb4ab67 491 * @return MICROBIT_OK, MICROBIT_CANCELLED or MICROBIT_INVALID_PARAMETER.
Jonathan Austin 1:8aa5cdb4ab67 492 *
Jonathan Austin 1:8aa5cdb4ab67 493 * @code
Jonathan Austin 1:8aa5cdb4ab67 494 * const int heart_w = 10;
Jonathan Austin 1:8aa5cdb4ab67 495 * const int heart_h = 5;
Jonathan Austin 1:8aa5cdb4ab67 496 * const uint8_t heart[] = { 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, };
Jonathan Austin 1:8aa5cdb4ab67 497 *
Jonathan Austin 1:8aa5cdb4ab67 498 * MicroBitImage i(heart_w,heart_h,heart);
Jonathan Austin 1:8aa5cdb4ab67 499 * display.animate(i,100,5);
Jonathan Austin 1:8aa5cdb4ab67 500 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 501 */
LancasterUniversity 23:6055f6c19fa6 502 int animate(MicroBitImage image, int delay, int stride, int startingPosition = MICROBIT_DISPLAY_ANIMATE_DEFAULT_POS);
Jonathan Austin 1:8aa5cdb4ab67 503
Jonathan Austin 1:8aa5cdb4ab67 504 /**
Jonathan Austin 1:8aa5cdb4ab67 505 * Configures the brightness of the display.
Jonathan Austin 1:8aa5cdb4ab67 506 *
Jonathan Austin 1:8aa5cdb4ab67 507 * @param b The brightness to set the brightness to, in the range 0 - 255.
Jonathan Austin 1:8aa5cdb4ab67 508 *
Jonathan Austin 1:8aa5cdb4ab67 509 * @return MICROBIT_OK, or MICROBIT_INVALID_PARAMETER
Jonathan Austin 1:8aa5cdb4ab67 510 *
Jonathan Austin 1:8aa5cdb4ab67 511 * @code
Jonathan Austin 1:8aa5cdb4ab67 512 * display.setBrightness(255); //max brightness
Jonathan Austin 1:8aa5cdb4ab67 513 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 514 */
Jonathan Austin 1:8aa5cdb4ab67 515 int setBrightness(int b);
Jonathan Austin 1:8aa5cdb4ab67 516
Jonathan Austin 1:8aa5cdb4ab67 517 /**
Jonathan Austin 1:8aa5cdb4ab67 518 * Configures the mode of the display.
Jonathan Austin 1:8aa5cdb4ab67 519 *
Jonathan Austin 1:8aa5cdb4ab67 520 * @param mode The mode to swap the display into. One of: DISPLAY_MODE_GREYSCALE,
Jonathan Austin 1:8aa5cdb4ab67 521 * DISPLAY_MODE_BLACK_AND_WHITE, DISPLAY_MODE_BLACK_AND_WHITE_LIGHT_SENSE
Jonathan Austin 1:8aa5cdb4ab67 522 *
Jonathan Austin 1:8aa5cdb4ab67 523 * @code
Jonathan Austin 1:8aa5cdb4ab67 524 * display.setDisplayMode(DISPLAY_MODE_GREYSCALE); //per pixel brightness
Jonathan Austin 1:8aa5cdb4ab67 525 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 526 */
Jonathan Austin 1:8aa5cdb4ab67 527 void setDisplayMode(DisplayMode mode);
Jonathan Austin 1:8aa5cdb4ab67 528
Jonathan Austin 1:8aa5cdb4ab67 529 /**
Jonathan Austin 1:8aa5cdb4ab67 530 * Retrieves the mode of the display.
Jonathan Austin 1:8aa5cdb4ab67 531 *
Jonathan Austin 1:8aa5cdb4ab67 532 * @return the current mode of the display
Jonathan Austin 1:8aa5cdb4ab67 533 */
Jonathan Austin 1:8aa5cdb4ab67 534 int getDisplayMode();
Jonathan Austin 1:8aa5cdb4ab67 535
Jonathan Austin 1:8aa5cdb4ab67 536 /**
Jonathan Austin 1:8aa5cdb4ab67 537 * Fetches the current brightness of this display.
Jonathan Austin 1:8aa5cdb4ab67 538 *
Jonathan Austin 1:8aa5cdb4ab67 539 * @return the brightness of this display, in the range 0..255.
Jonathan Austin 1:8aa5cdb4ab67 540 *
Jonathan Austin 1:8aa5cdb4ab67 541 * @code
Jonathan Austin 1:8aa5cdb4ab67 542 * display.getBrightness(); //the current brightness
Jonathan Austin 1:8aa5cdb4ab67 543 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 544 */
Jonathan Austin 1:8aa5cdb4ab67 545 int getBrightness();
Jonathan Austin 1:8aa5cdb4ab67 546
Jonathan Austin 1:8aa5cdb4ab67 547 /**
Jonathan Austin 1:8aa5cdb4ab67 548 * Rotates the display to the given position.
Jonathan Austin 1:8aa5cdb4ab67 549 *
Jonathan Austin 1:8aa5cdb4ab67 550 * Axis aligned values only.
Jonathan Austin 1:8aa5cdb4ab67 551 *
Jonathan Austin 1:8aa5cdb4ab67 552 * @code
Jonathan Austin 1:8aa5cdb4ab67 553 * display.rotateTo(MICROBIT_DISPLAY_ROTATION_180); //rotates 180 degrees from original orientation
Jonathan Austin 1:8aa5cdb4ab67 554 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 555 */
Jonathan Austin 1:8aa5cdb4ab67 556 void rotateTo(DisplayRotation position);
Jonathan Austin 1:8aa5cdb4ab67 557
Jonathan Austin 1:8aa5cdb4ab67 558 /**
Jonathan Austin 1:8aa5cdb4ab67 559 * Enables the display, should only be called if the display is disabled.
Jonathan Austin 1:8aa5cdb4ab67 560 *
Jonathan Austin 1:8aa5cdb4ab67 561 * @code
Jonathan Austin 1:8aa5cdb4ab67 562 * display.enable(); //Enables the display mechanics
Jonathan Austin 1:8aa5cdb4ab67 563 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 564 *
Jonathan Austin 1:8aa5cdb4ab67 565 * @note Only enables the display if the display is currently disabled.
Jonathan Austin 1:8aa5cdb4ab67 566 */
Jonathan Austin 1:8aa5cdb4ab67 567 void enable();
Jonathan Austin 1:8aa5cdb4ab67 568
Jonathan Austin 1:8aa5cdb4ab67 569 /**
Jonathan Austin 1:8aa5cdb4ab67 570 * Disables the display, which releases control of the GPIO pins used by the display,
Jonathan Austin 1:8aa5cdb4ab67 571 * which are exposed on the edge connector.
Jonathan Austin 1:8aa5cdb4ab67 572 *
Jonathan Austin 1:8aa5cdb4ab67 573 * @code
Jonathan Austin 1:8aa5cdb4ab67 574 * display.disable(); //disables the display
Jonathan Austin 1:8aa5cdb4ab67 575 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 576 *
Jonathan Austin 1:8aa5cdb4ab67 577 * @note Only disables the display if the display is currently enabled.
Jonathan Austin 1:8aa5cdb4ab67 578 */
Jonathan Austin 1:8aa5cdb4ab67 579 void disable();
Jonathan Austin 1:8aa5cdb4ab67 580
Jonathan Austin 1:8aa5cdb4ab67 581 /**
Jonathan Austin 1:8aa5cdb4ab67 582 * Clears the display of any remaining pixels.
Jonathan Austin 1:8aa5cdb4ab67 583 *
Jonathan Austin 1:8aa5cdb4ab67 584 * `display.image.clear()` can also be used!
Jonathan Austin 1:8aa5cdb4ab67 585 *
Jonathan Austin 1:8aa5cdb4ab67 586 * @code
Jonathan Austin 1:8aa5cdb4ab67 587 * display.clear(); //clears the display
Jonathan Austin 1:8aa5cdb4ab67 588 * @endcode
Jonathan Austin 1:8aa5cdb4ab67 589 */
Jonathan Austin 1:8aa5cdb4ab67 590 void clear();
Jonathan Austin 1:8aa5cdb4ab67 591
Jonathan Austin 1:8aa5cdb4ab67 592 /**
Jonathan Austin 1:8aa5cdb4ab67 593 * Updates the font that will be used for display operations.
Jonathan Austin 1:8aa5cdb4ab67 594 *
Jonathan Austin 1:8aa5cdb4ab67 595 * @param font the new font that will be used to render characters.
Jonathan Austin 1:8aa5cdb4ab67 596 *
Jonathan Austin 1:8aa5cdb4ab67 597 * @note DEPRECATED! Please use MicroBitFont::setSystemFont() instead.
Jonathan Austin 1:8aa5cdb4ab67 598 */
Jonathan Austin 1:8aa5cdb4ab67 599 void setFont(MicroBitFont font);
Jonathan Austin 1:8aa5cdb4ab67 600
Jonathan Austin 1:8aa5cdb4ab67 601 /**
Jonathan Austin 1:8aa5cdb4ab67 602 * Retrieves the font object used for rendering characters on the display.
Jonathan Austin 1:8aa5cdb4ab67 603 *
Jonathan Austin 1:8aa5cdb4ab67 604 * @note DEPRECATED! Please use MicroBitFont::getSystemFont() instead.
Jonathan Austin 1:8aa5cdb4ab67 605 */
Jonathan Austin 1:8aa5cdb4ab67 606 MicroBitFont getFont();
Jonathan Austin 1:8aa5cdb4ab67 607
Jonathan Austin 1:8aa5cdb4ab67 608 /**
Jonathan Austin 1:8aa5cdb4ab67 609 * Captures the bitmap currently being rendered on the display.
Jonathan Austin 1:8aa5cdb4ab67 610 *
Jonathan Austin 1:8aa5cdb4ab67 611 * @return a MicroBitImage containing the captured data.
Jonathan Austin 1:8aa5cdb4ab67 612 */
Jonathan Austin 1:8aa5cdb4ab67 613 MicroBitImage screenShot();
Jonathan Austin 1:8aa5cdb4ab67 614
Jonathan Austin 1:8aa5cdb4ab67 615 /**
Jonathan Austin 1:8aa5cdb4ab67 616 * Gives a representative figure of the light level in the current environment
Jonathan Austin 1:8aa5cdb4ab67 617 * where are micro:bit is situated.
Jonathan Austin 1:8aa5cdb4ab67 618 *
Jonathan Austin 1:8aa5cdb4ab67 619 * Internally, it constructs an instance of a MicroBitLightSensor if not already configured
Jonathan Austin 1:8aa5cdb4ab67 620 * and sets the display mode to DISPLAY_MODE_BLACK_AND_WHITE_LIGHT_SENSE.
Jonathan Austin 1:8aa5cdb4ab67 621 *
Jonathan Austin 1:8aa5cdb4ab67 622 * This also changes the tickPeriod to MICROBIT_LIGHT_SENSOR_TICK_SPEED so
Jonathan Austin 1:8aa5cdb4ab67 623 * that the display does not suffer from artifacts.
Jonathan Austin 1:8aa5cdb4ab67 624 *
Jonathan Austin 1:8aa5cdb4ab67 625 * @return an indicative light level in the range 0 - 255.
Jonathan Austin 1:8aa5cdb4ab67 626 *
Jonathan Austin 1:8aa5cdb4ab67 627 * @note this will return 0 on the first call to this method, a light reading
Jonathan Austin 1:8aa5cdb4ab67 628 * will be available after the display has activated the light sensor for the
Jonathan Austin 1:8aa5cdb4ab67 629 * first time.
Jonathan Austin 1:8aa5cdb4ab67 630 */
Jonathan Austin 1:8aa5cdb4ab67 631 int readLightLevel();
Jonathan Austin 1:8aa5cdb4ab67 632
Jonathan Austin 1:8aa5cdb4ab67 633 /**
Jonathan Austin 1:8aa5cdb4ab67 634 * Destructor for MicroBitDisplay, where we deregister this instance from the array of system components.
Jonathan Austin 1:8aa5cdb4ab67 635 */
Jonathan Austin 1:8aa5cdb4ab67 636 ~MicroBitDisplay();
Jonathan Austin 1:8aa5cdb4ab67 637 };
Jonathan Austin 1:8aa5cdb4ab67 638
LancasterUniversity 20:ad2a5c7debf4 639 #endif