timer_config.cpp
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/****************************************************************************
*
* Copyright (C) 2012 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include <px4_arch/io_timer_hw_description.h>
/* Timer allocation
*
* FMU_CH1 : PE14 : TIM1_CH4
* FMU_CH2 : PA10 : TIM1_CH3
* FMU_CH3 : PE11 : TIM1_CH2
* FMU_CH4 : PA8 : TIM1_CH1
* FMU_CH5 : PD13 : TIM4_CH2
* FMU_CH6 : PD14 : TIM4_CH3
* FMU_CH7 : PD12 : TIM4_CH1
* FMU_CH8 : PH15 : TIM4_CH4
*/
constexpr io_timers_t io_timers[MAX_IO_TIMERS] = {
initIOTimer(Timer::Timer1, DMA{DMA::Index2, DMA::Stream5, DMA::Channel6}),
initIOTimer(Timer::Timer4),
};
constexpr timer_io_channels_t timer_io_channels[MAX_TIMER_IO_CHANNELS] = {
initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel4}, {GPIO::PortE, GPIO::Pin14}),
initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel3}, {GPIO::PortA, GPIO::Pin10}),
initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel2}, {GPIO::PortE, GPIO::Pin11}),
initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel1}, {GPIO::PortA, GPIO::Pin8}),
initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel2}, {GPIO::PortD, GPIO::Pin13}),
initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel3}, {GPIO::PortD, GPIO::Pin14}),
initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel1}, {GPIO::PortD, GPIO::Pin12}),
initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel4}, {GPIO::PortD, GPIO::Pin15})
};
constexpr io_timers_channel_mapping_t io_timers_channel_mapping =
initIOTimerChannelMapping(io_timers, timer_io_channels);