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support for led.plotBrightness (#494)

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* support for led.plotBrightness

* fixing c++ build

* fixed blockid
This commit is contained in:
Peli de Halleux
2017-08-07 11:47:43 -07:00
committed by Sam El-Husseini
parent e1764567c5
commit e7c1915076
7 changed files with 125 additions and 9 deletions
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25
libs/core/led.cpp
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@@ -13,15 +13,34 @@ namespace led {
/**
* Turn on the specified LED using x, y coordinates (x is horizontal, y is vertical). (0,0) is upper left.
* @param x TODO
* @param y TODO
* @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, 1);
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 weight=78
//% blockId=device_plot_brightness block="plot|x %x|y %y|value %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);
}
/**