Simple Click 4x4 RGB example for Hexiwear
Dependencies: PixelArray WS2812
Fork of WS2812_Example by
Diff: main.cpp
- Revision:
- 2:cb82a3dc4031
- Parent:
- 1:e04a0ecefa29
- Child:
- 3:8ac839958132
--- a/main.cpp Thu Feb 12 20:20:54 2015 +0000 +++ b/main.cpp Thu Feb 12 21:55:24 2015 +0000 @@ -2,15 +2,15 @@ #include "WS2812.h" #include "PixelArray.h" -#define WS2812_BUF 60 +#define WS2812_BUF 150 +#define NUM_COLORS 6 +#define NUM_LEDS_PER_COLOR 10 PixelArray px(WS2812_BUF); -// See the program page for information on the timing numbers (eg: 0, 5, 5, 0) +// See the program page for information on the timing numbers // The given numbers are for the K64F -WS2812 ws(D9,WS2812_BUF, 0, 5, 5, 0); - -DigitalOut led(LED1); +WS2812 ws(D9, WS2812_BUF, 0, 5, 5, 0); int main() { @@ -18,29 +18,27 @@ ws.useII(WS2812::PER_PIXEL); // use per-pixel intensity scaling // set up the colours we want to draw with - int colorbuf[6] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f}; + int colorbuf[NUM_COLORS] = {0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f}; // for each of the colours (j) write out 10 of them // the pixels are written at the colour*10, plus the colour position // all modulus 60 so it wraps around - for (int i =0; i<6; i++) { - for (int j=0; j<10; j++) { - px.Set(((i*10)+j)%60,colorbuf[i]); - } + for (int i = 0; i < WS2812_BUF; i++) { + px.Set(i, colorbuf[(i / NUM_LEDS_PER_COLOR) % NUM_COLORS]); } // now all the colours are computed, add a fade effect using intensity scaling // compute and write the II value for each pixel - for (int j=0; j<60; j++) { + for (int j=0; j<WS2812_BUF; j++) { // px.SetI(pixel position, II value) - px.SetI(j%60, 0xf+(0xf*(j%10))); + px.SetI(j%WS2812_BUF, 0xf+(0xf*(j%NUM_LEDS_PER_COLOR))); } // Now the buffer is written, rotate it // by writing it out with an increasing offset while (1) { - for (int z=59; z >= 0 ; z--) { + for (int z=WS2812_BUF; z >= 0 ; z--) { ws.write_offsets(px.getBuf(),z,z,z); wait(0.075); }