zephyr/drivers/pwm/pwm_stm32.h

47 lines
856 B
C

/*
* Copyright (c) 2016 Linaro Limited.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file Header file for the STM32 PWM driver.
*/
#ifndef __PWM_STM32_H__
#define __PWM_STM32_H__
#ifdef __cplusplus
extern "C" {
#endif
/** Configuration data */
struct pwm_stm32_config {
u32_t pwm_base;
/* clock subsystem driving this peripheral */
#ifdef CONFIG_CLOCK_CONTROL_STM32_CUBE
struct stm32_pclken pclken;
#else
clock_control_subsys_t clock_subsys;
#endif /* CONFIG_CLOCK_CONTROL_STM32_CUBE */
};
/** Runtime driver data */
struct pwm_stm32_data {
/* PWM peripheral handler */
TIM_HandleTypeDef hpwm;
/* Prescaler for PWM output clock
* Value used to divide the TIM clock.
* Min = 0x0000U, Max = 0xFFFFU
*/
u32_t pwm_prescaler;
/* clock device */
struct device *clock;
};
#ifdef __cplusplus
}
#endif
#endif /* __PWM_STM32_H__ */