Displays a gradient between two colors
Dependencies: mbed WS2812 PixelArray
Diff: main.cpp
- Revision:
- 1:3fa4e131f518
- Parent:
- 0:3bb97062a703
- Child:
- 2:c4a43cc93ca8
--- a/main.cpp Sun Mar 12 23:02:59 2017 +0000 +++ b/main.cpp Mon Apr 19 12:08:45 2021 +0000 @@ -2,14 +2,19 @@ #include "WS2812.h" #include "PixelArray.h" -#define WS2812_BUF 77 //number of LEDs in the array -#define NUM_COLORS 2 //number of colors to store in the array +#define WS2812_BUF 16 //number of LEDs in the array +#define NUM_COLORS 6 //number of colors to store in the array +#define PIN_NUM A2 +#define LIGHT_INTENSITY 30 +using namespace std; DigitalOut usrLed(LED1); PixelArray px(WS2812_BUF); +DigitalIn usrBtn(USER_BUTTON); + // See the program page for information on the timing numbers -WS2812 ws(D9, WS2812_BUF, 6,17,9,14); //nucleo-f411re +WS2812 ws(PIN_NUM, WS2812_BUF,6,17,9,14); //nucleo-f411re int color_set(uint8_t red,uint8_t green, uint8_t blue) { @@ -27,23 +32,24 @@ uint8_t ir = 0; uint8_t ig = 0; uint8_t ib = 0; + int btnState = 0; ws.useII(WS2812::PER_PIXEL); // use per-pixel intensity scaling // set up the colours we want to draw with - int colorbuf[NUM_COLORS] = {0xff0000,0x0000ff}; + int colorbuf[NUM_COLORS] = {0xff0000,0x0000ff,0x0002f0,0x00002f,0x00002f,0x2f002f}; //get starting RGB components for interpolation - std::size_t c1 = colorbuf[0]; - std::size_t r1 = (c1 & 0xff0000) >> 16; - std::size_t g1 = (c1 & 0x00ff00) >> 8; - std::size_t b1 = (c1 & 0x0000ff); + size_t c1 = colorbuf[0]; + size_t r1 = (c1 & 0xff0000) >> 16; + size_t g1 = (c1 & 0x00ff00) >> 8; + size_t b1 = (c1 & 0x0000ff); //get ending RGB components for interpolation - std::size_t c2 = colorbuf[1]; - std::size_t r2 = (c2 & 0xff0000) >> 16; - std::size_t g2 = (c2 & 0x00ff00) >> 8; - std::size_t b2 = (c2 & 0x0000ff); + size_t c2 = colorbuf[1]; + size_t r2 = (c2 & 0xff0000) >> 16; + size_t g2 = (c2 & 0x00ff00) >> 8; + size_t b2 = (c2 & 0x0000ff); for (int i = 0; i <= WS2812_BUF; i++) { @@ -55,13 +61,86 @@ px.Set(i, color_set(ir,ig,ib)); //write the II value for each pixel - px.SetI(i, 32); + /*px.SetI(4, 30); + px.SetI(1, 30); + px.SetI(2, 30); + px.SetI(7, 30); + px.SetI(12, 30); + px.SetI(15, 30);*/// смайлик убийца + + px.SetI(i, 10); + + /*px.SetI(10, 15); + + px.SetI(15, 20); + + px.SetI(3, 25); + + px.SetI(6, 30); + + px.SetI(9, 15); + + px.SetI(12, 5);*/ + } - + /* for (int i = WS2812_BUF; i >= 0; i--) { ws.write(px.getBuf()); - } + }*/ + + usrLed = 1; + + + - usrLed = 1; + /* + while (1) + { + if (usrBtn == 0) //button is pressed + { + //write the color value for each pixel + px.SetAll(colorbuf[btnState]); + //write the II value for each pixel + px.SetAllI(64); + + usrLed = 1; + btnState = btnState++; + + if (btnState == NUM_COLORS) { + btnState = 0; + } + } + else + { + px.SetAll(colorbuf[btnState]); + px.SetI(0, LIGHT_INTENSITY); + + px.SetI(5, LIGHT_INTENSITY); + + px.SetI(10, LIGHT_INTENSITY); + + px.SetI(15, LIGHT_INTENSITY); + + px.SetI(3, LIGHT_INTENSITY); + + px.SetI(6, LIGHT_INTENSITY); + + px.SetI(9, LIGHT_INTENSITY); + + px.SetI(12, LIGHT_INTENSITY); + + usrLed = 0; + } + + + + + for (int i = WS2812_BUF; i >= 0; i--) + { + ws.write(px.getBuf()); + } + + }*/ + }