Wio_LED.h

00001 #include "WS2812.h"
00002 #include "PixelArray.h"
00003 
00004 #define WS2812_BUF 8
00005 #define NUM_COLORS 8
00006 #define NUM_LEDS_PER_COLOR 8
00007 #define H0 8
00008 #define L0 32
00009 #define H1 17
00010 #define L1 32
00011 
00012 enum ws2812_color {
00013     WS2812_BLACK = 0,
00014     WS2812_RED,
00015     WS2812_YELLOW,
00016     WS2812_GREEN,
00017     WS2812_CYAN,
00018     WS2812_BLUE,
00019     WS2812_PURPLE,
00020     WS2812_WHITE
00021 };
00022 
00023 static DigitalOut LEDPower(PE_8, 1);
00024 static PixelArray px(WS2812_BUF);
00025 static WS2812 ws(PB_1, WS2812_BUF, H0, L0, H1, L1);
00026 
00027 static const int colorbuf[NUM_COLORS] = {0x000000, 0x2f0000,0x2f2f00,0x002f00,0x002f2f,0x00002f,0x2f002f, 0x2f2f2f};
00028 
00029 void setColor(ws2812_color color)
00030 {
00031     px.Set(0, colorbuf[color]);
00032     px.SetI(0, 0x80);
00033     ws.write_offsets(px.getBuf(), 0, 0, 0);
00034 }
00035