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