kosmos/source/firmware/kernel/driver/include/pwm.h
2016-08-09 12:28:01 +02:00

36 lines
1.0 KiB
C

/*
* pwm.h
*
* Created on: Aug 9, 2016
* Author: tkl
*/
#ifndef SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_PWM_H_
#define SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_PWM_H_
//! \brief Function pointer to the open function.
typedef int (*pwm_fp_open_t)(const void*);
//! \brief Function pointer to the close function.
typedef int (*pwm_fp_close_t)(const void*);
//! \brief Function pointer to the read function.
typedef int (*pwm_fp_set_duty_cycle_t)(const void*, unsigned int duty_cycle_percent);
struct pwm_fp {
const pwm_fp_open_t open;
const pwm_fp_close_t close;
const pwm_fp_set_duty_cycle_t set_duty_cycle;
};
struct pwm {
const void *arch_dep_device; //!< Architecture depended pwm device (i.e. stm32f10x_pwm_t).
const struct pwm_fp *fp; //!< Function pointer for the pwm driver access.
};
int pwm_open(const struct pwm *device);
int pwm_close(const struct pwm *device);
int pwm_set_duty_cycle(const struct pwm *device, unsigned int duty_cycle_percent);
#endif /* SOURCE_FIRMWARE_KERNEL_DRIVER_INCLUDE_PWM_H_ */