pxt-calliope/libs/core/led.cpp
Peli de Halleux 2250aa9d4b
Upgrades ()
* enable tracing

* more config adjustments

* upgrading images

* upgrading input

* upgrading led

* upgraded pins api

* upgrade runtime

* upgrading pxt.h

* upgrading basic.cpp

* upgraded control

* upgraded control.ts

* upgrading core.cpp

* updating shims

* fixing merge issues

* upgrading BLE config
2017-12-14 11:00:47 -08:00

157 lines
5.0 KiB
C++

#include "pxt.h"
enum class DisplayMode_ {
//% block="black and white"
BackAndWhite = DISPLAY_MODE_BLACK_AND_WHITE,
//% block="greyscale"
Greyscale = DISPLAY_MODE_GREYSCALE,
// TODO DISPLAY_MODE_BLACK_AND_WHITE_LIGHT_SENSE
};
//% color=#8169E6 weight=35 icon="\uf205"
namespace led {
/**
* Turn on the specified LED using x, y coordinates (x is horizontal, y is vertical). (0,0) is upper left.
* @param x the horizontal coordinate of the LED starting at 0
* @param y the vertical coordinate of the LED starting at 0
*/
//% help=led/plot weight=78
//% blockId=device_plot block="plot|x %x|y %y" blockGap=8
//% parts="ledmatrix"
//% x.min=0 x.max=4 y.min=0 y.max=4
void plot(int x, int y) {
uBit.display.image.setPixelValue(x, y, 0xff);
}
/**
* Turn on the specified LED with specific brightness using x, y coordinates (x is horizontal, y is vertical). (0,0) is upper left.
* @param x the horizontal coordinate of the LED starting at 0
* @param y the vertical coordinate of the LED starting at 0
* @param brightness the brightness from 0 (off) to 255 (bright), eg:255
*/
//% help=led/plot-brightness weight=78
//% blockId=device_plot_brightness block="plot|x %x|y %y|brightness %brightness" blockGap=8
//% parts="ledmatrix"
//% x.min=0 x.max=4 y.min=0 y.max=4 brightness.min=0 brightness.max=255
//% advanced=true
void plotBrightness(int x, int y, int brightness) {
brightness = max(0, min(0xff, brightness));
// enable greyscale as needed
if (brightness != 0 && brightness != 0xff && uBit.display.getDisplayMode() != DISPLAY_MODE_GREYSCALE)
uBit.display.setDisplayMode(DISPLAY_MODE_GREYSCALE);
uBit.display.image.setPixelValue(x, y, brightness);
}
/**
* Turn off the specified LED using x, y coordinates (x is horizontal, y is vertical). (0,0) is upper left.
* @param x TODO
* @param y TODO
*/
//% help=led/unplot weight=77
//% blockId=device_unplot block="unplot|x %x|y %y" blockGap=8
//% parts="ledmatrix"
//% x.min=0 x.max=4 y.min=0 y.max=4
void unplot(int x, int y) {
uBit.display.image.setPixelValue(x, y, 0);
}
/**
* Get the on/off state of the specified LED using x, y coordinates. (0,0) is upper left.
* @param x TODO
* @param y TODO
*/
//% help=led/point weight=76
//% blockId=device_point block="point|x %x|y %y"
//% parts="ledmatrix"
//% x.min=0 x.max=4 y.min=0 y.max=4
bool point(int x, int y) {
int pix = uBit.display.image.getPixelValue(x, y);
return pix > 0;
}
/**
* Get the screen brightness from 0 (off) to 255 (full bright).
*/
//% help=led/brightness weight=60
//% blockId=device_get_brightness block="brightness" blockGap=8
//% parts="ledmatrix"
//% advanced=true
int brightness() {
return uBit.display.getBrightness();
}
/**
* Set the screen brightness from 0 (off) to 255 (full bright).
* @param value the brightness value, eg:255, 127, 0
*/
//% help=led/set-brightness weight=59
//% blockId=device_set_brightness block="set brightness %value"
//% parts="ledmatrix"
//% advanced=true
//% value.min=0 value.max=255
void setBrightness(int value) {
uBit.display.setBrightness(value);
}
/**
* Cancels the current animation and clears other pending animations.
*/
//% weight=50 help=led/stop-animation
//% blockId=device_stop_animation block="stop animation"
//% parts="ledmatrix"
//% advanced=true
void stopAnimation() {
uBit.display.stopAnimation();
}
/**
* Sets the display mode between black and white and greyscale for rendering LEDs.
* @param mode mode the display mode in which the screen operates
*/
//% weight=1 help=led/set-display-mode
//% parts="ledmatrix" advanced=true
void setDisplayMode(DisplayMode_ mode) {
uBit.display.setDisplayMode((DisplayMode)mode);
}
/**
* Gets the current display mode
*/
//% weight=1 parts="ledmatrix" advanced=true
DisplayMode_ displayMode() {
return (DisplayMode_)uBit.display.getDisplayMode();
}
/**
* Turns on or off the display
*/
//% help=led/enable blockId=device_led_enable block="led enable %on"
//% advanced=true parts="ledmatrix"
void enable(bool on) {
if (on) uBit.display.enable();
else uBit.display.disable();
}
/**
* Takes a screenshot of the LED screen and returns an image.
*/
//% help=led/screenshot
//% parts="ledmatrix"
Image screenshot() {
return uBit.display.screenShot().leakData();
/*
let Image img;
img = image.createImage("");
for (let i = 0; i < 5; i++) {
for (let j = 0; j < 5; j++) {
if (led.point(i, j)) {
img.setPixel(i, j, true);
}
}
}
return img;
*/
}
}