Simple 8x8 LED Matrix controller which interfaces with a Processing GUI over serial to display sketches
Fork of Multi_WS2811 by
WS2811.h
- Committer:
- bikeNomad
- Date:
- 2014-01-04
- Revision:
- 0:a8535703f23b
- Child:
- 1:9d9f7bfad0ce
File content as of revision 0:a8535703f23b:
// Mbed library to control WS2801-based RGB LED Strips // some portions (c) 2011 Jelmer Tiete // This library is ported from the Arduino implementation of Adafruit Industries // found at: http://github.com/adafruit/LPD8806 // and their strips: http://www.adafruit.com/products/306 // Released under the MIT License: http://mbed.org/license/mit // /*****************************************************************************/ // Heavily modified by Jas Strong, 2012-10-04 // Changed to use a virtual base class and to use software SPI. // // Modified by Ned Konz, December 2013. // Using three-phase DMA ala Paul Stoffegren's version. #ifndef MBED_WS2811_H #define MBED_WS2811_H #include "mbed.h" #include "LedStrip.h" #define MAX_LEDS_PER_STRIP 60 extern "C" void DMA0_IRQHandler(); extern "C" void TPM0_IRQHandler(); class WS2811 : public LedStrip { public: WS2811(unsigned n, unsigned pinNumber); virtual void begin(); virtual void show(); virtual void blank(); static void startDMA(); private: uint32_t pinMask; void writePixel(unsigned n, uint8_t *p); // Class Static: static bool initialized; static uint32_t enabledPins; static volatile bool dma_done; static void wait_for_dma_done() { while (!dma_done) __WFI(); } static void writeByte(uint8_t byte, uint32_t mask, uint32_t *dest); static void hw_init(); static void io_init(); static void clock_init(); static void dma_init(); static void tpm_init(); static void dma_data_init(); friend void TPM0_IRQHandler(); }; #endif