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https://bitbucket.org/librepilot/librepilot.git
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79 lines
3.0 KiB
C
79 lines
3.0 KiB
C
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/**
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******************************************************************************
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*
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* @file pios_ws2811_cfg.h
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* @author The LibrePilot Project, http://www.librepilot.org Copyright (C) 2017.
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* @brief A driver for ws2811 rgb led controller.
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* this is a port of the CleanFlight/BetaFlight implementation.
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef PIOS_WS2811_CFG_H_
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#define PIOS_WS2811_CFG_H_
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struct pios_ws2811_cfg {
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TIM_TypeDef *timer;
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uint8_t timer_chan;
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struct stm32_gpio pin;
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uint32_t remap;
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uint16_t timer_dma_source;
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DMA_Channel_TypeDef *dma_chan;
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uint32_t dma_tcif;
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uint8_t dma_irqn;
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};
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#define PIOS_WS2811_CONFIG(_timer, _channel, _gpio, _pin) \
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{ \
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.timer = _timer, \
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.timer_chan = TIM_Channel_##_channel, \
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.pin = { \
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.gpio = GPIO##_gpio, \
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.init = { \
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.GPIO_Pin = GPIO_Pin_##_pin, \
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.GPIO_Speed = GPIO_Speed_2MHz, \
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.GPIO_Mode = GPIO_Mode_AF, \
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.GPIO_OType = GPIO_OType_PP, \
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.GPIO_PuPd = GPIO_PuPd_UP \
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}, \
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.pin_source = GPIO_PinSource##_pin, \
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}, \
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.remap = GPIO_AF_P##_gpio##_pin##_##_timer, \
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.timer_dma_source = TIM_DMA_CC##_channel, \
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.dma_chan = _EVAL4(DMA, _timer##_CH##_channel##_DMA_INSTANCE, _Channel, _timer##_CH##_channel##_DMA_CHANNEL), \
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.dma_tcif = _EVAL4(DMA, _timer##_CH##_channel##_DMA_INSTANCE, _IT_TC, _timer##_CH##_channel##_DMA_CHANNEL), \
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.dma_irqn = _EVAL5(DMA, _timer##_CH##_channel##_DMA_INSTANCE, _Channel, _timer##_CH##_channel##_DMA_CHANNEL, _IRQn), \
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}
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#define DMA0_Channel0 0
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#define DMA0_IT_TC0 0
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#define DMA0_Channel0_IRQn 0
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void PIOS_WS2811_Init(uint32_t *dev_id, const struct pios_ws2811_cfg *ws2811_cfg);
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void PIOS_WS2811_DMA_irq_handler();
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#endif /* PIOS_WS2811_CFG_H_ */
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