135 lines
3.9 KiB
C++
135 lines
3.9 KiB
C++
#include "pxt.h"
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/**
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* Provides access to basic micro:bit functionality.
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*/
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//% color=#1E90FF weight=116 icon="\uf00a"
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namespace basic {
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/**
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* Sets the color on the build-in LED. Set to 0 to turn off.
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*/
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//% blockId=device_set_led_color
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//% block="set led to %color=colorNumberPicker"
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//% weight=50
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void setLedColor(int color) {
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if (!color) {
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uBit.rgb.off();
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return;
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}
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int w = (color >> 24) & 0xFF;
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int r = (color >> 16) & 0xFF;
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int g = (color >> 8) & 0xFF;
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int b = (color) & 0xFF;
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uBit.rgb.setColour(r,g,b,w);
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}
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/**
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* Sets the color on the build-in LED. Set to 0 to turn off.
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*/
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//% blockId=device_turn_rgb_led_off block="turn build-in LED off"
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//% weight=50
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void turnRgbLedOff() {
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uBit.rgb.off();
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}
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/**
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* Draws an image on the LED screen.
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* @param leds the pattern of LED to turn on/off
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* @param interval time in milliseconds to pause after drawing
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*/
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//% help=basic/show-leds
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//% weight=95 blockGap=8
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//% imageLiteral=1 async
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//% blockId=device_show_leds
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//% block="show leds" icon="\uf00a"
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//% parts="ledmatrix"
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void showLeds(ImageLiteral_ leds, int interval = 400) {
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uBit.display.print(MicroBitImage(imageBytes(leds)), 0, 0, 0, interval);
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}
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/**
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* Display text on the display, one character at a time. If the string fits on the screen (i.e. is one letter), does not scroll.
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* @param text the text to scroll on the screen, eg: "hi!"
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* @param interval how fast to shift characters; eg: 150, 100, 200, -100
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*/
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//% help=basic/show-string
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//% weight=87 blockGap=16
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//% block="show|string %text"
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//% async
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//% blockId=device_print_message
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//% parts="ledmatrix"
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//% text.shadowOptions.toString=true
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void showString(String text, int interval = 150) {
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if (interval <= 0)
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interval = 1;
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int l = text ? text->getUTF8Size() : 0;
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if (l == 0) {
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uBit.display.clear();
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fiber_sleep(interval * 5);
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} else if (l > 1) {
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uBit.display.scroll(MSTR(text), interval);
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} else {
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uBit.display.printChar(text->getUTF8Data()[0], interval * 5);
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}
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}
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/**
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* Turn off all LEDs
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*/
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//% help=basic/clear-screen weight=79
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//% blockId=device_clear_display block="clear screen"
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//% parts="ledmatrix"
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//% advanced=true
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void clearScreen() {
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uBit.display.image.clear();
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}
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/**
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* Shows a sequence of LED screens as an animation.
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* @param leds pattern of LEDs to turn on/off
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* @param interval time in milliseconds between each redraw
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*/
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//% help=basic/show-animation imageLiteral=1 async
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//% parts="ledmatrix"
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void showAnimation(ImageLiteral_ leds, int interval = 400) {
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uBit.display.animate(MicroBitImage(imageBytes(leds)), interval, 5, 0, 0);
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}
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/**
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* Draws an image on the LED screen.
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* @param leds pattern of LEDs to turn on/off
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*/
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//% help=basic/plot-leds weight=80
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//% parts="ledmatrix"
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void plotLeds(ImageLiteral_ leds) {
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MicroBitImage i(imageBytes(leds));
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uBit.display.print(i, 0, 0, 0, 0);
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}
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/**
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* Repeats the code forever in the background. On each iteration, allows other codes to run.
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* @param body code to execute
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*/
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//% help=basic/forever weight=55 blockGap=16 blockAllowMultiple=1 afterOnStart=true
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//% blockId=device_forever block="forever" icon="\uf01e"
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void forever(Action a) {
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runForever(a);
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}
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/**
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* Pause for the specified time in milliseconds
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* @param ms how long to pause for, eg: 100, 200, 500, 1000, 2000
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*/
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//% help=basic/pause weight=54
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//% async block="pause (ms) %pause" blockGap=16
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//% blockId=device_pause icon="\uf110"
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//% pause.shadow=timePicker
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void pause(int ms) {
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fiber_sleep(ms);
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}
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}
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