77 lines
2.5 KiB
C++
77 lines
2.5 KiB
C++
/* OctoWS2811 - High Performance WS2811 LED Display Library
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http://www.pjrc.com/teensy/td_libs_OctoWS2811.html
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Copyright (c) 2013 Paul Stoffregen, PJRC.COM, LLC
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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#include <Arduino.h>
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#include "DMAChannel.h"
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#if TEENSYDUINO < 120
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#error "Teensyduino version 1.20 or later is required to compile this library."
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#endif
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#ifdef __AVR__
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#error "The Audio Library only works with Teensy 3.X. Teensy 2.0 is unsupported."
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#endif
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#define WS2811_RGB 0 // The WS2811 datasheet documents this way
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#define WS2811_RBG 1
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#define WS2811_GRB 2 // Most LED strips are wired this way
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#define WS2811_GBR 3
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#define WS2811_800kHz 0x00 // Nearly all WS2811 are 800 kHz
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#define WS2811_400kHz 0x10 // Adafruit's Flora Pixels
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class OctoWS2811 {
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public:
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OctoWS2811();
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void attach(uint32_t numPerStrip, void *frameBuf, void *drawBuf, uint8_t config = WS2811_GRB);
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void begin(void);
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void setPixel(uint32_t num, int color);
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void setPixel(uint32_t num, uint8_t red, uint8_t green, uint8_t blue) {
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setPixel(num, color(red, green, blue));
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}
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int getPixel(uint32_t num);
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void show(void);
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int busy(void);
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int numPixels(void) {
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return stripLen * 8;
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}
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int color(uint8_t red, uint8_t green, uint8_t blue) {
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return (red << 16) | (green << 8) | blue;
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}
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private:
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static uint16_t stripLen;
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static void *frameBuffer;
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static void *drawBuffer;
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static uint8_t params;
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static DMAChannel dma1, dma2, dma3;
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static void isr(void);
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};
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