Displays a gradient between two colors
Dependencies: mbed WS2812 PixelArray
main.cpp@3:5fd199581f15, 2021-04-22 (annotated)
- Committer:
- radmir102
- Date:
- Thu Apr 22 10:16:59 2021 +0000
- Revision:
- 3:5fd199581f15
- Parent:
- 2:c4a43cc93ca8
realise prog
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
theros | 0:3bb97062a703 | 1 | #include "mbed.h" |
theros | 0:3bb97062a703 | 2 | #include "WS2812.h" |
radmir102 | 2:c4a43cc93ca8 | 3 | #include <stdio.h> |
theros | 0:3bb97062a703 | 4 | #include "PixelArray.h" |
theros | 0:3bb97062a703 | 5 | |
radmir102 | 3:5fd199581f15 | 6 | |
radmir102 | 3:5fd199581f15 | 7 | #define WS2812_BUF 16 //количество светодиодов в матрице |
radmir102 | 3:5fd199581f15 | 8 | #define NUM_COLORS 15 //количество цветов |
radmir102 | 3:5fd199581f15 | 9 | #define PIN_NUM A2 // номер пина |
radmir102 | 3:5fd199581f15 | 10 | |
radmir102 | 3:5fd199581f15 | 11 | |
theros | 0:3bb97062a703 | 12 | |
radmir102 | 1:3fa4e131f518 | 13 | using namespace std; |
radmir102 | 2:c4a43cc93ca8 | 14 | |
radmir102 | 3:5fd199581f15 | 15 | PixelArray px(WS2812_BUF); // обращение к объекту класса матрицы |
radmir102 | 3:5fd199581f15 | 16 | //WS2812 ws(PIN_NUM, WS2812_BUF,6,17,9,14); //обращение к объекту класса светодиодного модуля |
radmir102 | 3:5fd199581f15 | 17 | WS2812 ws(PIN_NUM, WS2812_BUF,3,12,9,12); |
radmir102 | 1:3fa4e131f518 | 18 | |
theros | 0:3bb97062a703 | 19 | |
radmir102 | 3:5fd199581f15 | 20 | int color_set(uint8_t red,uint8_t green, uint8_t blue) // функция установки цвета |
theros | 0:3bb97062a703 | 21 | { |
theros | 0:3bb97062a703 | 22 | return ((red<<16) + (green<<8) + blue); |
theros | 0:3bb97062a703 | 23 | } |
theros | 0:3bb97062a703 | 24 | |
radmir102 | 3:5fd199581f15 | 25 | // функция получения градиента |
theros | 0:3bb97062a703 | 26 | int interpolate(int startValue, int endValue, int stepNumber, int lastStepNumber) |
theros | 0:3bb97062a703 | 27 | { |
theros | 0:3bb97062a703 | 28 | return (endValue - startValue) * stepNumber / lastStepNumber + startValue; |
theros | 0:3bb97062a703 | 29 | } |
theros | 0:3bb97062a703 | 30 | |
theros | 0:3bb97062a703 | 31 | int main() |
theros | 0:3bb97062a703 | 32 | { |
theros | 0:3bb97062a703 | 33 | uint8_t ir = 0; |
theros | 0:3bb97062a703 | 34 | uint8_t ig = 0; |
theros | 0:3bb97062a703 | 35 | uint8_t ib = 0; |
radmir102 | 3:5fd199581f15 | 36 | |
theros | 0:3bb97062a703 | 37 | |
radmir102 | 3:5fd199581f15 | 38 | ws.useII(WS2812::PER_PIXEL); //дает возможность установить яркость |
theros | 0:3bb97062a703 | 39 | |
radmir102 | 3:5fd199581f15 | 40 | // установка цветов, которыми мы хотим воспользоваться |
radmir102 | 2:c4a43cc93ca8 | 41 | int colorbuf[NUM_COLORS] = {0xff0000,0x00FFFF,0x0000FF,0xFF00FF,0x808080,0x00FF00, |
radmir102 | 2:c4a43cc93ca8 | 42 | 0xFF0000,0xFFFFFF,0xFFFF00,0x008080,0xFF0099,0xFFF0F5, |
radmir102 | 3:5fd199581f15 | 43 | 0x991199,0x808000,0xFFFFF0}; |
theros | 0:3bb97062a703 | 44 | |
radmir102 | 3:5fd199581f15 | 45 | //получить начальные компоненты RGB для градиента |
radmir102 | 1:3fa4e131f518 | 46 | size_t c1 = colorbuf[0]; |
radmir102 | 1:3fa4e131f518 | 47 | size_t r1 = (c1 & 0xff0000) >> 16; |
radmir102 | 2:c4a43cc93ca8 | 48 | size_t g1 = (c1 & 0x00FFFF) >> 8; |
radmir102 | 2:c4a43cc93ca8 | 49 | size_t b1 = (c1 & 0x0000FF); |
theros | 0:3bb97062a703 | 50 | |
radmir102 | 3:5fd199581f15 | 51 | //получить конечные компоненты RGB для градиента |
radmir102 | 1:3fa4e131f518 | 52 | size_t c2 = colorbuf[1]; |
radmir102 | 2:c4a43cc93ca8 | 53 | size_t r2 = (c2 & 0xFF00FF) >> 16; |
radmir102 | 2:c4a43cc93ca8 | 54 | size_t g2 = (c2 & 0x808080) >> 8; |
radmir102 | 2:c4a43cc93ca8 | 55 | size_t b2 = (c2 & 0x00FF00); |
theros | 0:3bb97062a703 | 56 | |
radmir102 | 3:5fd199581f15 | 57 | //получение градиента |
theros | 0:3bb97062a703 | 58 | for (int i = 0; i <= WS2812_BUF; i++) |
radmir102 | 3:5fd199581f15 | 59 | { |
theros | 0:3bb97062a703 | 60 | ir = interpolate(r1, r2, i, WS2812_BUF); |
theros | 0:3bb97062a703 | 61 | ig = interpolate(g1, g2, i, WS2812_BUF); |
theros | 0:3bb97062a703 | 62 | ib = interpolate(b1, b2, i, WS2812_BUF); |
radmir102 | 3:5fd199581f15 | 63 | px.Set(i, color_set(ir,ig,ib)); // установка для каждого светодиода (i), градиентного цвета(color_set(ir,ig,ib)) |
radmir102 | 3:5fd199581f15 | 64 | |
radmir102 | 2:c4a43cc93ca8 | 65 | } |
radmir102 | 2:c4a43cc93ca8 | 66 | |
radmir102 | 2:c4a43cc93ca8 | 67 | |
radmir102 | 3:5fd199581f15 | 68 | // Цикл плавного крестика |
radmir102 | 3:5fd199581f15 | 69 | while(true){ |
radmir102 | 3:5fd199581f15 | 70 | // цикл включения главной диагонали |
radmir102 | 3:5fd199581f15 | 71 | for (int x = 0; x<=15; x+=5 ){ |
radmir102 | 3:5fd199581f15 | 72 | for(int i = 0; i<255; i++){ |
radmir102 | 3:5fd199581f15 | 73 | px.SetI(x,i); // обращение к светодиоду (x) и установка яркости (i) |
radmir102 | 3:5fd199581f15 | 74 | ws.write(px.getBuf()); // вывод на матрицу (запуск) |
radmir102 | 3:5fd199581f15 | 75 | } |
radmir102 | 2:c4a43cc93ca8 | 76 | } |
radmir102 | 3:5fd199581f15 | 77 | //цикл включения побочной диагонали |
radmir102 | 2:c4a43cc93ca8 | 78 | for (int x = 3; x<=12; x+=3 ){ |
radmir102 | 3:5fd199581f15 | 79 | for(int i = 0; i<255; i++){ |
radmir102 | 2:c4a43cc93ca8 | 80 | px.SetI(x,i); |
radmir102 | 2:c4a43cc93ca8 | 81 | ws.write(px.getBuf()); |
radmir102 | 3:5fd199581f15 | 82 | } |
radmir102 | 2:c4a43cc93ca8 | 83 | } |
radmir102 | 3:5fd199581f15 | 84 | // цикл выключения побочной диагонали |
radmir102 | 3:5fd199581f15 | 85 | for (int x = 12; x>=3; x-=3 ){ |
radmir102 | 3:5fd199581f15 | 86 | for(int i = 255; i>=0; i--){ |
radmir102 | 2:c4a43cc93ca8 | 87 | px.SetI(x,i); |
radmir102 | 2:c4a43cc93ca8 | 88 | ws.write(px.getBuf()); |
radmir102 | 3:5fd199581f15 | 89 | } |
radmir102 | 2:c4a43cc93ca8 | 90 | } |
radmir102 | 3:5fd199581f15 | 91 | // цикл выключения главной диагонали |
radmir102 | 3:5fd199581f15 | 92 | for (int x = 15; x>=0; x-=5 ){ |
radmir102 | 3:5fd199581f15 | 93 | for(int i = 255; i>=0; i--){ |
radmir102 | 3:5fd199581f15 | 94 | px.SetI(x,i); |
radmir102 | 3:5fd199581f15 | 95 | ws.write(px.getBuf()); |
radmir102 | 3:5fd199581f15 | 96 | } |
radmir102 | 3:5fd199581f15 | 97 | } |
radmir102 | 3:5fd199581f15 | 98 | |
radmir102 | 3:5fd199581f15 | 99 | |
radmir102 | 3:5fd199581f15 | 100 | } |
theros | 0:3bb97062a703 | 101 | } |