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main.ts
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main.ts
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/**
* Well known colors for a NeoPixel strip
*/
enum BitColors {
//% block=red
Red = 0xFF0000,
//% block=orange
Orange = 0xFFA500,
//% block=yellow
Yellow = 0xFFFF00,
//% block=green
Green = 0x00FF00,
//% block=blue
Blue = 0x0000FF,
//% block=indigo
Indigo = 0x4b0082,
//% block=violet
Violet = 0x8a2be2,
//% block=purple
Purple = 0xFF00FF,
//% block=white
White = 0xFFFFFF,
//% block=black
Black = 0x000000
}
// Images from file microbitconstimage.cpp https://github.com/bbcmicrobit/micropython
enum ColorIcon {
//% block="ChristmasTree"
//% jres=coloricons.tree
ChristmasTree = 0,
//% block="heart"
//% jres=icons.heart
Heart,
//% block="small heart"
//% jres=icons.smallheart
SmallHeart,
//% block="yes"
//% jres=icons.yes
Yes,
//% block="no"
//% jres=icons.no
No,
//% block="happy"
//% jres=icons.happy
Happy,
//% block="sad"
//% jres=icons.sad
Sad,
//% block="confused"
//% jres=icons.confused
Confused,
//% block="angry"
//% jres=icons.angry
Angry,
//% block="asleep"
//% jres=icons.asleep
Asleep,
//% block="surprised"
//% jres=icons.surprised
Surprised,
//% block="silly"
//% jres=icons.silly
Silly,
//% block="fabulous"
//% jres=icons.fabulous
Fabulous,
//% block="meh"
//% jres=icons.meh
Meh,
//% block="t-shirt"
//% jres=icons.tshirt
TShirt,
//% block="roller skate"
//% jres=icons.rollerskate
Rollerskate,
//% block="duck"
//% jres=icons.duck
Duck,
//% block="house"
//% jres=icons.house
House,
//% block="tortoise"
//% jres=icons.tortoise
Tortoise,
//% block="butterfly"
//% jres=icons.butterfly
Butterfly,
//% block="stick figure"
//% jres=icons.stickfigure
StickFigure,
//% block="ghost"
//% jres=icons.ghost
Ghost,
//% block="sword"
//% jres=icons.sword
Sword,
//% block="giraffe"
//% jres=icons.giraffe
Giraffe,
//% block="skull"
//% jres=icons.skull
Skull,
//% block="umbrella"
//% jres=icons.umbrella
Umbrella,
//% block="snake"
//% jres=icons.snake
Snake,
//% block="rabbit"
//% jres=icons.rabbit
Rabbit,
//% block="cow"
//% jres=icons.cow
Cow,
//% block="quarter note"
//% jres=icons.quarternote
QuarterNote,
//% block="eigth note"
//% jres=icons.eigthnote
EigthNote,
//% block="pitchfork"
//% jres=icons.pitchfork
Pitchfork,
//% block="target"
//% jres=icons.target
Target,
//% block="triangle"
//% jres=icons.triangle
Triangle,
//% block="left triangle"
//% jres=icons.lefttriangle
LeftTriangle,
//% block="chess board"
//% jres=icons.chessboard
Chessboard,
//% block="diamond"
//% jres=icons.diamond
Diamond,
//% block="small diamond"
//% jres=icons.smalldiamond
SmallDiamond,
//% block="square"
//% jres=icons.square
Square,
//% block="small square"
//% jres=icons.smallsquare
SmallSquare,
//% block="scissors"
//% jres=icons.scissors
Scissors,
//% block="fill full"
//% jres=coloricons.full
FillFull,
//% block="fill circle"
//% jres=coloricons.fillCircle
FillCircle,
//% block="circle"
//% jres=coloricons.circle
Circle,
//% block="up"
//% jres=coloricons.up
Up,
//% block="down"
//% jres=coloricons.down
Down,
//% block="left"
//% jres=coloricons.left
Left,
//% block="right"
//% jres=coloricons.right
Right
}
/**
* Different modes for RGB or RGB+W NeoPixel strips
*/
enum BitColorMode {
//% block="RGB (GRB format)"
RGB = 0,
//% block="RGB+W"
RGBW = 1,
//% block="RGB (RGB format)"
RGB_RGB = 2
}
/**
* Functions to operate NeoPixel strips.
*/
//% weight=5 color=#2699BF icon="\uf110"
namespace colorbit {
let FONTS = [
[0x0,0x0], //32: space
[0x4210,0x400], //33: !
[0x5280,0x0], //34: "
[0x57d5,0xf500], //35: #
[0x765d,0x3700], //36: $
[0xcc88,0x9980], //37: %
[0x6499,0x2680], //38: &
[0x4200,0x0], //39: '
[0x2210,0x8200], //40: (
[0x4108,0x4400], //41: )
[0x288,0xa000], //42: *
[0x11c,0x4000], //43: +
[0x0,0x4400], //44: ,
[0x1c,0x0], //45: -
[0x0,0x8000], //46: .
[0x888,0x8800], //47: /
[0x64a5,0x2600], //48: 0
[0x2308,0x4700], //49: 1
[0xe099,0xf00], //50: 2
[0xf089,0x2600], //51: 3
[0x32a5,0xf100], //52: 4
[0xfc3c,0x1f00], //53: 5
[0x111d,0x1700], //54: 6
[0xf888,0x8800], //55: 7
[0x745d,0x1700], //56: 8
[0x745c,0x4400], //57: 9
[0x200,0x8000], //58: :
[0x100,0x4400], //59: ;
[0x1110,0x4100], //60: <
[0x380,0xe000], //61: =
[0x4104,0x4400], //62: >
[0x744c,0x200], //63: ?
[0x746b,0x3600], //64: @
[0x64bd,0x2900], //65: A
[0xe4b9,0x2e00], //66: B
[0x7421,0x700], //67: C
[0xe4a5,0x2e00], //68: D
[0xf439,0xf00], //69: E
[0xf439,0x800], //70: F
[0x7427,0x1700], //71: G
[0x94bd,0x2900], //72: H
[0xe210,0x8e00], //73: I
[0xf885,0x2600], //74: J
[0x9531,0x4900], //75: K
[0x8421,0xf00], //76: L
[0x8eeb,0x1880], //77: M
[0x8e6b,0x3880], //78: N
[0x64a5,0x2600], //79: O
[0xe4b9,0x800], //80: P
[0x64a4,0xc300], //81: Q
[0xe4b9,0x2880], //82: R
[0x7418,0x2e00], //83: S
[0xf908,0x4200], //84: T
[0x94a5,0x2600], //85: U
[0x8c62,0xa200], //86: V
[0x8c6b,0xb880], //87: W
[0x9499,0x2900], //88: X
[0x8a88,0x4200], //89: Y
[0xf111,0xf00], //90: Z
[0x7210,0x8700], //91: [
[0x8208,0x2080], //92: \
[0x7084,0x2700], //93: ]
[0x2280,0x0], //94: ^
[0x0,0xf80], //95: _
[0x4100,0x0], //96: `
[0x3a5,0x2780], //97: a
[0x8439,0x2e00], //98: b
[0x3a1,0x700], //99: c
[0x109d,0x2700], //100: d
[0x64b9,0x700], //101: e
[0x3238,0x8400], //102: f
[0x749c,0x2600], //103: g
[0x8439,0x2900], //104: h
[0x4010,0x8400], //105: i
[0x1004,0x2600], //106: j
[0x8531,0x4900], //107: k
[0x4210,0x8300], //108: l
[0x6eb,0x1880], //109: m
[0x725,0x2900], //110: n
[0x325,0x2600], //111: o
[0x725,0xc800], //112: p
[0x3a4,0xe100], //113: q
[0x5b1,0x800], //114: r
[0x190,0x4c00], //115: s
[0x423c,0x8380], //116: t
[0x4a5,0x2780], //117: u
[0x462,0xa200], //118: v
[0x463,0x5d80], //119: w
[0x498,0xc900], //120: x
[0x454,0x4c00], //121: y
[0x788,0x8f00], //122: z
[0x3118,0x4300], //123: {
[0x4210,0x8400], //124: |
[0xc218,0x8c00], //125: }
[0x18,0x3000] //126: ~
];
/**
* A NeoPixel strip
*/
export class Strip {
buf: Buffer;
pin: DigitalPin;
// TODO: encode as bytes instead of 32bit
brightness: number;
start: number; // start offset in LED strip
_length: number; // number of LEDs
_mode: BitColorMode;
_matrixWidth: number; // number of leds in a matrix - if any
ismulticolor: boolean;
lastcolor: number;
/**
* Shows all LEDs to a given color (range 0-255 for r, g, b).
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_set_strip_color" block="%colorbit_51bit|show color %rgb=colorbit_colors"
//% weight=85 blockGap=8
//% parts="colorbit"
showColor(rgb: number) {
rgb = rgb >> 0;
this.setAllRGB(rgb);
this.show();
}
nextNum(): number {
if(this.lastcolor==BitColors.Red)
this.lastcolor=BitColors.Orange;
else if(this.lastcolor==BitColors.Orange)
this.lastcolor=BitColors.Yellow;
else if(this.lastcolor==BitColors.Yellow)
this.lastcolor=BitColors.Green;
else if(this.lastcolor==BitColors.Green)
this.lastcolor=BitColors.Blue;
else if(this.lastcolor==BitColors.Blue)
this.lastcolor=BitColors.Indigo;
else if(this.lastcolor==BitColors.Indigo)
this.lastcolor=BitColors.Violet;
else if(this.lastcolor==BitColors.Violet)
this.lastcolor=BitColors.Purple;
else if(this.lastcolor==BitColors.Purple)
this.lastcolor=BitColors.White;
else if(this.lastcolor==BitColors.White)
this.lastcolor=BitColors.Red;
return this.lastcolor;
}
/**
* Set multiple color.
* @param yes is multiple color for each light?
*/
//% blockId="colorbit_set_multi_color" block="%colorbit_51bit|Set each light with multiple color: %yes"
//% weight=12 blockGap=8
//% parts="colorbit"
setMultiColor(yes: boolean) {
this.ismulticolor=yes;
}
fn_HextoDec(hex_num: string): number {
let dec_num = 0;
let hex_arr = "0123456789abcdef";
for (let index = 0; index <= hex_num.length - 1; index++) {
let char = hex_num.charAt(hex_num.length - 1 - index);
for (let index2 = 0; index2 <= 15; index2++) {
if (char.compare(hex_arr.charAt(index2)) == 0) {
dec_num = dec_num + index2 * Math.pow(16, index);
}
}
}
return dec_num;
}
/**
* Show ColorBit Icon with a given color (range 0-255 for r, g, b).
* @param input LED ColorIcon
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_51bit_show_color_icon" block="%colorbit_51bit|show ColorBit Icon %myicon|with %rgb=colorbit_colors"
//% blockGap=8
//% weight=100
//% parts="colorbit"
//% myicon.fieldEditor="imagedropdown"
//% myicon.fieldOptions.columns="5"
//% myicon.fieldOptions.width="380"
//% myicon.fieldOptions.maxRows=5
showColorIcon(myicon: ColorIcon, rgb: number): void {
let str: string = "";
if(myicon==0) str="51bitpasswd:0x23be,0x4200"; //ChristmasTree
else if(myicon==1) str="51bitpasswd:0x57fe,0xe200";//Heart
else if(myicon==2) str="51bitpasswd:0x029c,0x4000";//SmallHeart
else if(myicon==3) str="51bitpasswd:0x0045,0x4400";//Yes
else if(myicon==4) str="51bitpasswd:0x8a88,0xa880";//No
else if(myicon==5) str="51bitpasswd:0x0281,0x1700";//Happy
else if(myicon==6) str="51bitpasswd:0x0280,0xe880";//Sad
else if(myicon==7) str="51bitpasswd:0x0280,0xaa80";//Confused
else if(myicon==8) str="51bitpasswd:0x8a81,0xfa80";//Angry
else if(myicon==9) str="51bitpasswd:0x06c0,0xe000";//Asleep
else if(myicon==10) str="51bitpasswd:0x5008,0xa200";//Surprised
else if(myicon==11) str="51bitpasswd:0x883e,0x3180";//Silly
else if(myicon==12) str="51bitpasswd:0xfec0,0xa700";//Fabulous
else if(myicon==13) str="51bitpasswd:0xd804,0x4400";//Meh
else if(myicon==14) str="51bitpasswd:0xdfdc,0xe700";//TShirt
else if(myicon==15) str="51bitpasswd:0x18ff,0xf500";//Rollerskate
else if(myicon==16) str="51bitpasswd:0x671e,0xe000";//Duck
else if(myicon==17) str="51bitpasswd:0x23be,0xe500";//House
else if(myicon==18) str="51bitpasswd:0x03be,0xa000";//Tortoise
else if(myicon==19) str="51bitpasswd:0x03be,0xa000";//Butterfly
else if(myicon==20) str="51bitpasswd:0x27c8,0xa880";//StickFigure
else if(myicon==21) str="51bitpasswd:0x757f,0xfa80";//Ghost
else if(myicon==22) str="51bitpasswd:0x2108,0xe200";//Sword
else if(myicon==23) str="51bitpasswd:0xc210,0xe500";//Giraffe
else if(myicon==24) str="51bitpasswd:0x757e,0xe700";//Skull
else if(myicon==25) str="51bitpasswd:0x77c9,0x4e00";//Umbrella
else if(myicon==26) str="51bitpasswd:0xc6d4,0xe000";//Snake
else if(myicon==27) str="51bitpasswd:0xa53d,0xaf00";//Rabbit
else if(myicon==28) str="51bitpasswd:0x8c7e,0xe200";//Cow
else if(myicon==29) str="51bitpasswd:0x2109,0xce00";//QuarterNote
else if(myicon==30) str="51bitpasswd:0x218b,0xce00";//EigthNote
else if(myicon==31) str="51bitpasswd:0xad7e,0x4200";//Pitchfork
else if(myicon==32) str="51bitpasswd:0x23b6,0xe200";//Target
else if(myicon==33) str="51bitpasswd:0x0115,0xf000";//Triangle
else if(myicon==34) str="51bitpasswd:0x8629,0x2f80";//LeftTriangle
else if(myicon==35) str="51bitpasswd:0x5555,0x5500";//Chessboard
else if(myicon==36) str="51bitpasswd:0x22a2,0xa200";//Diamond
else if(myicon==37) str="51bitpasswd:0x0114,0x4000";//SmallDiamond
else if(myicon==38) str="51bitpasswd:0xfc63,0x1f80";//Square
else if(myicon==39) str="51bitpasswd:0x0394,0xe000";//SmallSquare
else if(myicon==40) str="51bitpasswd:0xce89,0xac80";//Scissors
else if(myicon==41) str="51bitpasswd:0xffff,0xff80";//FillFull
else if(myicon==42) str="51bitpasswd:0x77ff,0xf700";//FillCircle
else if(myicon==43) str="51bitpasswd:0x7463,0x1700";//Circle
else if(myicon==44) str="51bitpasswd:0x23aa,0x4200";//Up
else if(myicon==45) str="51bitpasswd:0x212a,0xe200";//Down
else if(myicon==46) str="51bitpasswd:0x223e,0x8200";//Left
else if(myicon==47) str="51bitpasswd:0x20be,0x2200";//Right
this.showStringColor(str,rgb);
}
/**
* Show ColorBit string with a given color (range 0-255 for r, g, b).
* @param input LED string showing
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_51bit_show_string_color" block="%colorbit_51bit|show ColorBit string %input|with %rgb=colorbit_colors"
//% blockGap=8
//% weight=100
//% parts="colorbit"
showStringColor(input: string, rgb: number): void {
if(input.indexOf("51bitpasswd:",0)===0)
{
//ChristmasTree: "51bitpasswd:0x23be:0x4200"
let pixeloffset1=this.fn_HextoDec(input.substr(12, 6));
let pixeloffset2=this.fn_HextoDec(input.substr(19, 6));
for (let i = 0; i < 16; ++i) {
const index=15-i;
const a=pixeloffset1 >> index;
if((a & 1)==0)
this.setPixelRGB(i >> 0, 0);
else if(this.ismulticolor)
this.setPixelRGB(i >> 0, this.nextNum() >> 0);
else
this.setPixelRGB(i >> 0, rgb >> 0);
}
for (let i = 16; i < 25; ++i) {
const index=31-i;
const a=pixeloffset2 >> index;
if((a & 1)==0)
this.setPixelRGB(i >> 0, 0);
else if(this.ismulticolor)
this.setPixelRGB(i >> 0, this.nextNum() >> 0);
else
this.setPixelRGB(i >> 0, rgb >> 0);
}
this.show();
return;
}
for (let chindex = 0; chindex < input.length; chindex++) {
let ch: number = input.charCodeAt(chindex)-32;
let pixeloffset1=FONTS[ch][0];
let pixeloffset2=FONTS[ch][1];
for (let i = 0; i < 16; ++i) {
const index=15-i;
const a=pixeloffset1 >> index;
if((a & 1)==0)
{
this.setPixelRGB(i >> 0, 0);
}
else if(this.ismulticolor)
{
this.setPixelRGB(i >> 0, this.nextNum() >> 0);
}
else
{
this.setPixelRGB(i >> 0, rgb >> 0);
}
}
for (let i = 16; i < 25; ++i) {
const index=31-i;
const a=pixeloffset2 >> index;
if((a & 1)==0)
{
this.setPixelRGB(i >> 0, 0);
}
else if(this.ismulticolor)
{
this.setPixelRGB(i >> 0, this.nextNum() >> 0);
}
else
{
this.setPixelRGB(i >> 0, rgb >> 0);
}
}
this.show();
basic.pause(1000);
}
}
/**
* Show ColorBit Scroll string with a given color (range 0-255 for r, g, b).
* @param input LED string showing
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_51bit_show_scrollstring_color" block="%colorbit_51bit|show ColorBit scroll string %input|with %rgb=colorbit_colors"
//% blockGap=8
//% weight=99
//% parts="colorbit"
showScrollStringColor(input: string, rgb: number): void {
if (input == '') return;
input = ' '+ input + ' ';
for (let chindex = 0; chindex < input.length-1; chindex++) {
let ch: number = input.charCodeAt(chindex)-32;
let ch2: number = input.charCodeAt(chindex+1)-32;
let pixeloffset1=FONTS[ch][0];
let pixeloffset2=FONTS[ch][1];
let pixeloffset3=FONTS[ch2][0];
let pixeloffset4=FONTS[ch2][1];
let a: number[] = [0, 0, 0, 0, 0];
let b: number[] = [0, 0, 0, 0, 0];
//I port this from stc51 8bit CPU, so I need to add 0xffff for 32bit ARM CPU here, might use 32bit in the future for pxt.
a = [pixeloffset1 >> 11, (0xffff & (pixeloffset1 << 5)) >> 11, (0xffff & (pixeloffset1 << 10)) >> 11, (((0xffff & (pixeloffset1 << 15)) >> 11) | (pixeloffset2 >> 12)), (0xffff & (pixeloffset2 << 4)) >> 11];
b = [pixeloffset3 >> 11, (0xffff & (pixeloffset3 << 5)) >> 11, (0xffff & (pixeloffset3 << 10)) >> 11, (((0xffff & (pixeloffset3 << 15)) >> 11) | (pixeloffset4 >> 12)), (0xffff & (pixeloffset4 << 4)) >> 11];
let c: number[] = [0, 0, 0, 0, 0];
for (let j = 0; j < 5; j++) {
for (let k = 0; k < 5; k++)
c[k] = (a[k] << j) | ((b[k] >> (5 - j)))
//display fonts
let i = 0;
for (let row = 0; row < 5; row++)
{
for (let yiweiindex = 0; yiweiindex < 5; yiweiindex++)
{
const index=4-yiweiindex;
const currentrowbit=c[row] >> index;
if((currentrowbit & 1)==0)
{
this.setPixelRGB(i >> 0, 0);
}
else if(this.ismulticolor)
{
this.setPixelRGB(i >> 0, this.nextNum() >> 0);
}
else
{
this.setPixelRGB(i >> 0, rgb >> 0);
}
i++;
}
}
this.show();
basic.pause(200);
}
}
}
/**
* Show ColorBit number with a given color (range 0-255 for r, g, b).
* @param input LED number showing
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_51bit_show_int_color" block="%colorbit_51bit|show ColorBit number %input|with %rgb=colorbit_colors"
//% blockGap=8
//% weight=100
//% parts="colorbit"
showIntColor(input: number, rgb: number): void {
let a: number[] = [0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0];
let indexl=0;
if(input==0)
{
this.showStringColor("0", rgb);
return;
}
while(input>=1)
{
a[indexl++] = input%10;
input=Math.trunc(input/10);
}
//reverse each bit
while(--indexl>=0)
{
let y=a[indexl];
if((y>=0) && (y<=9)) this.showStringColor(''+y, rgb);
}
}
/**
* Show ColorBit Scroll int with a given color (range 0-255 for r, g, b).
* @param input LED int showing
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_51bit_show_scrollint_color" block="%colorbit_51bit|show ColorBit scroll int %input|with %rgb=colorbit_colors"
//% blockGap=8
//% weight=99
//% parts="colorbit"
showScrollIntColor(input: number, rgb: number): void {
let a: number[] = [0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,0, 0, 0, 0, 0, 0, 0, 0, 0];
let str: string = "";
let indexl=0;
if(input==0)
{
this.showStringColor("0", rgb);
return;
}
while(input>=1)
{
a[indexl++] = input%10;
input=Math.trunc(input/10);
}
//reverse each bit
while(--indexl>=0)
{
let y=a[indexl];
if((y>=0) && (y<=9)) str = str+ y;
}
this.showScrollStringColor(str, rgb);
}
/**
* Set LED to a given color (range 0-255 for r, g, b) in ColorBit
* @param x horizontal position
* @param y horizontal position
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_draw_colorbit" block="%colorbit_51bit|draw ColorBit at x %x|y %y|to %rgb=colorbit_colors"
//% weight=20
//% parts="colorbit"
drawColorBit(x: number, y: number, rgb: number) {
x = x >> 0;
y = y >> 0;
rgb = rgb >> 0;
const cols = Math.idiv(this._length, 5);
if (x < 0 || x >= 5 || y < 0 || y >= cols) return;
let i = x + y * 5;
this.setPixelColor(i, rgb);
this.show();
}
/**
* Shows a rainbow pattern on all LEDs.
* @param startHue the start hue value for the rainbow, eg: 1
* @param endHue the end hue value for the rainbow, eg: 360
*/
//% blockId="colorbit_set_strip_rainbow" block="%colorbit_51bit|show rainbow from %startHue|to %endHue"
//% weight=85 blockGap=8
//% parts="colorbit"
//% advanced=true
showRainbow(startHue: number = 1, endHue: number = 360) {
if (this._length <= 0) return;
startHue = startHue >> 0;
endHue = endHue >> 0;
const saturation = 100;
const luminance = 50;
const steps = this._length;
const direction = HueInterpolationDirection.Clockwise;
//hue
const h1 = startHue;
const h2 = endHue;
const hDistCW = ((h2 + 360) - h1) % 360;
const hStepCW = Math.idiv((hDistCW * 100), steps);
const hDistCCW = ((h1 + 360) - h2) % 360;
const hStepCCW = Math.idiv(-(hDistCCW * 100), steps);
let hStep: number;
if (direction === HueInterpolationDirection.Clockwise) {
hStep = hStepCW;
} else if (direction === HueInterpolationDirection.CounterClockwise) {
hStep = hStepCCW;
} else {
hStep = hDistCW < hDistCCW ? hStepCW : hStepCCW;
}
const h1_100 = h1 * 100; //we multiply by 100 so we keep more accurate results while doing interpolation
//sat
const s1 = saturation;
const s2 = saturation;
const sDist = s2 - s1;
const sStep = Math.idiv(sDist, steps);
const s1_100 = s1 * 100;
//lum
const l1 = luminance;
const l2 = luminance;
const lDist = l2 - l1;
const lStep = Math.idiv(lDist, steps);
const l1_100 = l1 * 100
//interpolate
if (steps === 1) {
this.setPixelColor(0, hsl(h1 + hStep, s1 + sStep, l1 + lStep))
} else {
this.setPixelColor(0, hsl(startHue, saturation, luminance));
for (let i = 1; i < steps - 1; i++) {
const h = Math.idiv((h1_100 + i * hStep), 100) + 360;
const s = Math.idiv((s1_100 + i * sStep), 100);
const l = Math.idiv((l1_100 + i * lStep), 100);
this.setPixelColor(i, hsl(h, s, l));
}
this.setPixelColor(steps - 1, hsl(endHue, saturation, luminance));
}
this.show();
}
/**
* Displays a vertical bar graph based on the `value` and `high` value.
* If `high` is 0, the chart gets adjusted automatically.
* @param value current value to plot
* @param high maximum value, eg: 255
*/
//% weight=84
//% blockId=colorbit_show_bar_graph block="%colorbit_51bit|show bar graph of %value|up to %high"
//% icon="\uf080"
//% parts="colorbit" advanced=true
showBarGraph(value: number, high: number): void {
if (high <= 0) {
this.clear();
this.setPixelColor(0, BitColors.Yellow);
this.show();
return;
}
value = Math.abs(value);
const n = this._length;
const n1 = n - 1;
let v = Math.idiv((value * n), high);
if (v == 0) {
this.setPixelColor(0, 0x666600);
for (let i = 1; i < n; ++i)
this.setPixelColor(i, 0);
} else {
for (let i = 0; i < n; ++i) {
if (i <= v) {
const b = Math.idiv(i * 255, n1);
this.setPixelColor(i, colorbit.rgb(b, 0, 255 - b));
}
else this.setPixelColor(i, 0);
}
}
this.show();
}
/**
* Set LED to a given color (range 0-255 for r, g, b).
* You need to call ``show`` to make the changes visible.
* @param pixeloffset position of the NeoPixel in the strip
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_set_pixel_color" block="%colorbit_51bit|set pixel color at %pixeloffset|to %rgb=colorbit_colors"
//% blockGap=8
//% weight=80
//% parts="colorbit" advanced=true
setPixelColor(pixeloffset: number, rgb: number): void {
this.setPixelRGB(pixeloffset >> 0, rgb >> 0);
}
/**
* Sets the number of pixels in a matrix shaped strip
* @param width number of pixels in a row
*/
//% blockId=colorbit_set_matrix_width block="%colorbit_51bit|set matrix width %width"
//% blockGap=8
//% weight=5
//% parts="colorbit" advanced=true
setMatrixWidth(width: number) {
this._matrixWidth = Math.min(this._length, width >> 0);
}
/**
* Set LED to a given color (range 0-255 for r, g, b) in a matrix shaped strip
* You need to call ``show`` to make the changes visible.
* @param x horizontal position
* @param y horizontal position
* @param rgb RGB color of the LED
*/
//% blockId="colorbit_set_matrix_color" block="%colorbit_51bit|set matrix color at x %x|y %y|to %rgb=colorbit_colors"
//% weight=4
//% parts="colorbit" advanced=true
setMatrixColor(x: number, y: number, rgb: number) {
if (this._matrixWidth <= 0) return; // not a matrix, ignore
x = x >> 0;
y = y >> 0;
rgb = rgb >> 0;
const cols = Math.idiv(this._length, this._matrixWidth);
if (x < 0 || x >= this._matrixWidth || y < 0 || y >= cols) return;
let i = x + y * this._matrixWidth;
this.setPixelColor(i, rgb);
}
/**
* For NeoPixels with RGB+W LEDs, set the white LED brightness. This only works for RGB+W NeoPixels.
* @param pixeloffset position of the LED in the strip
* @param white brightness of the white LED
*/
//% blockId="colorbit_set_pixel_white" block="%colorbit_51bit|set pixel white LED at %pixeloffset|to %white"
//% blockGap=8
//% weight=80
//% parts="colorbit" advanced=true
setPixelWhiteLED(pixeloffset: number, white: number): void {
if (this._mode === BitColorMode.RGBW) {
this.setPixelW(pixeloffset >> 0, white >> 0);
}
}
/**
* Send all the changes to the strip.
*/
//% blockId="colorbit_show" block="%colorbit_51bit|show" blockGap=8
//% weight=79 advanced=true
//% parts="colorbit"
show() {
ws2812b.sendBuffer(this.buf, this.pin);
}
/**
* Turn off all LEDs.
* You need to call ``show`` to make the changes visible.
*/
//% blockId="colorbit_clear" block="%colorbit_51bit|clear"
//% weight=76
//% parts="colorbit"
clear(): void {
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
this.buf.fill(0, this.start * stride, this._length * stride);
this.show();
}
/**
* Gets the number of pixels declared on the strip
*/
//% blockId="colorbit_length" block="%colorbit_51bit|length" blockGap=8
//% weight=60 advanced=true
length() {
return this._length;
}
/**
* Set the brightness of the strip. This flag only applies to future operation.
* @param brightness a measure of LED brightness in 0-255. eg: 255
*/
//% blockId="colorbit_set_brightness" block="%colorbit_51bit|set brightness %brightness" blockGap=8
//% weight=59
//% parts="colorbit" advanced=true
setBrightness(brightness: number): void {
this.brightness = brightness & 0xff;
}
/**
* Apply brightness to current colors using a quadratic easing function.
**/
//% blockId="colorbit_each_brightness" block="%colorbit_51bit|ease brightness" blockGap=8
//% weight=58
//% parts="colorbit" advanced=true
easeBrightness(): void {
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
const br = this.brightness;
const buf = this.buf;
const end = this.start + this._length;
const mid = Math.idiv(this._length, 2);
for (let i = this.start; i < end; ++i) {
const k = i - this.start;
const ledoffset = i * stride;
const br = k > mid
? Math.idiv(255 * (this._length - 1 - k) * (this._length - 1 - k), (mid * mid))
: Math.idiv(255 * k * k, (mid * mid));
serial.writeLine(k + ":" + br);
const r = (buf[ledoffset + 0] * br) >> 8; buf[ledoffset + 0] = r;
const g = (buf[ledoffset + 1] * br) >> 8; buf[ledoffset + 1] = g;
const b = (buf[ledoffset + 2] * br) >> 8; buf[ledoffset + 2] = b;
if (stride == 4) {
const w = (buf[ledoffset + 3] * br) >> 8; buf[ledoffset + 3] = w;
}
}
}
/**
* Create a range of LEDs.
* @param start offset in the LED strip to start the range
* @param length number of LEDs in the range. eg: 4
*/
//% weight=89
//% blockId="colorbit_range" block="%colorbit_51bit|range from %start|with %length|leds"
//% parts="colorbit"
//% blockSetVariable=range
//% advanced=true
range(start: number = 0, length: number = 25): Strip {
start = start >> 0;
length = length >> 0;
let strip = new Strip();
strip.buf = this.buf;
strip.pin = this.pin;
strip.brightness = this.brightness;
strip.start = this.start + Math.clamp(0, this._length - 1, start);
strip._length = Math.clamp(0, this._length - (strip.start - this.start), length);
strip._matrixWidth = 0;
strip._mode = this._mode;
strip.ismulticolor=this.ismulticolor;
return strip;
}
/**
* Shift LEDs forward and clear with zeros.
* You need to call ``show`` to make the changes visible.
* @param offset number of pixels to shift forward, eg: 1
*/
//% blockId="colorbit_shift" block="%colorbit_51bit|shift pixels by %offset" blockGap=8
//% weight=40
//% parts="colorbit"
//% advanced=true
shift(offset: number = 1): void {
offset = offset >> 0;
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
this.buf.shift(-offset * stride, this.start * stride, this._length * stride)
}
/**
* Rotate LEDs forward.
* You need to call ``show`` to make the changes visible.
* @param offset number of pixels to rotate forward, eg: 1
*/
//% blockId="colorbit_rotate" block="%colorbit_51bit|rotate pixels by %offset" blockGap=8
//% weight=39
//% parts="colorbit"
//% advanced=true
rotate(offset: number = 1): void {
offset = offset >> 0;
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
this.buf.rotate(-offset * stride, this.start * stride, this._length * stride)
}
/**
* Set the pin where the colorbit is connected, defaults to P0.
*/
//% weight=10
//% parts="colorbit" advanced=true
setPin(pin: DigitalPin): void {
this.pin = pin;
pins.digitalWritePin(this.pin, 0);
// don't yield to avoid races on initialization
}
/**
* Estimates the electrical current (mA) consumed by the current light configuration.
*/
//% weight=9 blockId=colorbit_power block="%colorbit_51bit|power (mA)"
//% advanced=true
power(): number {
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
const end = this.start + this._length;
let p = 0;
for (let i = this.start; i < end; ++i) {
const ledoffset = i * stride;
for (let j = 0; j < stride; ++j) {
p += this.buf[i + j];
}
}
return Math.idiv(this.length(), 2) /* 0.5mA per colorbit */
+ Math.idiv(p * 433, 10000); /* rought approximation */
}
private setBufferRGB(offset: number, red: number, green: number, blue: number): void {
if (this._mode === BitColorMode.RGB_RGB) {
this.buf[offset + 0] = red;
this.buf[offset + 1] = green;
} else {
this.buf[offset + 0] = green;
this.buf[offset + 1] = red;
}
this.buf[offset + 2] = blue;
}
private setAllRGB(rgb: number) {
let red = unpackR(rgb);
let green = unpackG(rgb);
let blue = unpackB(rgb);
const br = this.brightness;
if (br < 255) {
red = (red * br) >> 8;
green = (green * br) >> 8;
blue = (blue * br) >> 8;
}
const end = this.start + this._length;
const stride = this._mode === BitColorMode.RGBW ? 4 : 3;
for (let i = this.start; i < end; ++i) {