/* * This file is part of Cleanflight. * * Cleanflight is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * Cleanflight is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with Cleanflight. If not, see . */ #pragma once #define WS2811_LED_STRIP_LENGTH 32 #define WS2811_BITS_PER_LED 24 #define WS2811_DELAY_BUFFER_LENGTH 42 // for 50us delay #define WS2811_DATA_BUFFER_SIZE (WS2811_BITS_PER_LED * WS2811_LED_STRIP_LENGTH) #define WS2811_DMA_BUFFER_SIZE (WS2811_DATA_BUFFER_SIZE + WS2811_DELAY_BUFFER_LENGTH) // number of bytes needed is #LEDs * 24 bytes + 42 trailing bytes) #if defined(STM32F40_41xxx) #define BIT_COMPARE_1 67 // timer compare value for logical 1 #define BIT_COMPARE_0 33 // timer compare value for logical 0 #else #define BIT_COMPARE_1 17 // timer compare value for logical 1 #define BIT_COMPARE_0 9 // timer compare value for logical 0 #endif void ws2811LedStripInit(void); void ws2811LedStripHardwareInit(void); void ws2811LedStripDMAEnable(void); void ws2811UpdateStrip(void); void setLedHsv(uint16_t index, const hsvColor_t *color); void getLedHsv(uint16_t index, hsvColor_t *color); void scaleLedValue(uint16_t index, const uint8_t scalePercent); void setLedValue(uint16_t index, const uint8_t value); void setStripColor(const hsvColor_t *color); void setStripColors(const hsvColor_t *colors); bool isWS2811LedStripReady(void); extern uint8_t ledStripDMABuffer[WS2811_DMA_BUFFER_SIZE]; extern volatile uint8_t ws2811LedDataTransferInProgress; extern const hsvColor_t hsv_white; extern const hsvColor_t hsv_black;