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#include <px4_arch/io_timer_hw_description.h>

constexpr io_timers_t io_timers[MAX_IO_TIMERS] = {
	initIOTimer(Timer::Timer5, DMA{DMA::Index1}),
	initIOTimer(Timer::Timer4, DMA{DMA::Index1}),
	// initIOTimer(Timer::Timer1, DMA{DMA::Index1}),
	// initIOTimer(Timer::Timer12, DMA{DMA::Index1}),
};

constexpr timer_io_channels_t timer_io_channels[MAX_TIMER_IO_CHANNELS] = {
	// MAIN
	initIOTimerChannel(io_timers, {Timer::Timer5, Timer::Channel1}, {GPIO::PortH, GPIO::Pin10}),
	initIOTimerChannel(io_timers, {Timer::Timer5, Timer::Channel2}, {GPIO::PortH, GPIO::Pin11}),
	initIOTimerChannel(io_timers, {Timer::Timer5, Timer::Channel3}, {GPIO::PortH, GPIO::Pin12}),
	initIOTimerChannel(io_timers, {Timer::Timer5, Timer::Channel4}, {GPIO::PortI, GPIO::Pin0}),
	initIOTimerChannel(io_timers, {Timer::Timer4, Timer::Channel1}, {GPIO::PortD, GPIO::Pin12}),
	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::Channel4}, {GPIO::PortD, GPIO::Pin15}),

	// AUX
	// initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel1}, {GPIO::PortE, GPIO::Pin9}),
	// initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel2}, {GPIO::PortE, GPIO::Pin11}),
	// initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel3}, {GPIO::PortA, GPIO::Pin10}),
	// initIOTimerChannel(io_timers, {Timer::Timer1, Timer::Channel4}, {GPIO::PortE, GPIO::Pin14}),
	// initIOTimerChannel(io_timers, {Timer::Timer12, Timer::Channel1}, {GPIO::PortH, GPIO::Pin6}),
	// initIOTimerChannel(io_timers, {Timer::Timer12, Timer::Channel2}, {GPIO::PortH, GPIO::Pin9}),
};

constexpr io_timers_channel_mapping_t io_timers_channel_mapping =
	initIOTimerChannelMapping(io_timers, timer_io_channels);

constexpr io_timers_t led_pwm_timers[MAX_LED_TIMERS] = {
	initIOTimer(Timer::Timer8),
};

#define CCER_C1_NUM_BITS   4
#define POLARITY(c)    (GTIM_CCER_CC1P << (((c)-1) * CCER_C1_NUM_BITS))
#define DRIVE_TYPE(p)  ((p)|GPIO_OPENDRAIN|GPIO_PULLUP)

static inline constexpr timer_io_channels_t initIOTimerChannelLED(const io_timers_t io_timers_conf[MAX_LED_TIMERS],
		Timer::TimerChannel timer, GPIO::GPIOPin pin, int ui_polarity)
{
	timer_io_channels_t ret = initIOTimerChannel(io_timers_conf, timer, pin);
	ret.gpio_out = DRIVE_TYPE(ret.gpio_out);
	ret.masks = POLARITY(ui_polarity);
	return ret;
}

constexpr timer_io_channels_t led_pwm_channels[MAX_TIMER_LED_CHANNELS] = {

	initIOTimerChannelLED(led_pwm_timers, {Timer::Timer8, Timer::Channel1}, {GPIO::PortI, GPIO::Pin5}, 1),
	initIOTimerChannelLED(led_pwm_timers, {Timer::Timer8, Timer::Channel2}, {GPIO::PortI, GPIO::Pin6}, 2),
	initIOTimerChannelLED(led_pwm_timers, {Timer::Timer8, Timer::Channel3}, {GPIO::PortI, GPIO::Pin7}, 3),
};
