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/**
 * @file drv_pwm_servo.h
 *
 * stm32-specific PWM output data.
 */

#pragma once

#include <drivers/drv_pwm_output.h>

/* configuration limits */
#define PWM_SERVO_MAX_TIMERS	4
#define PWM_SERVO_MAX_CHANNELS	8

/* array of timers dedicated to PWM servo use */
struct pwm_servo_timer {
	uint32_t	base;
	uint32_t	clock_register;
	uint32_t	clock_bit;
	uint32_t	clock_freq;
};

/* array of channels in logical order */
struct pwm_servo_channel {
	uint32_t	gpio;
	uint8_t		timer_index;
	uint8_t		timer_channel;
	servo_position_t default_value;
};

/* supplied by board-specific code */
__EXPORT extern const struct pwm_servo_timer pwm_timers[PWM_SERVO_MAX_TIMERS];
__EXPORT extern const struct pwm_servo_channel pwm_channels[PWM_SERVO_MAX_CHANNELS];