50 lines
1.0 KiB
C
50 lines
1.0 KiB
C
/*
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* pwm.c
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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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#include <stddef.h>
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#include <pwm.h>
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int pwm_open(const struct pwm *device)
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{
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if(NULL == device)
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return -1;
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pwm_fp_open_t open = device->fp->open;
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return open(device->arch_dep_device);
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}
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int pwm_close(const struct pwm *device)
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{
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if(NULL == device)
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return -1;
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pwm_fp_close_t close = device->fp->close;
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return close(device->arch_dep_device);
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}
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int pwm_set_duty_cycle(const struct pwm *device, unsigned int duty_cycle_percent)
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{
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if(NULL == device)
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return -1;
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pwm_fp_set_duty_cycle_t set = device->fp->set_duty_cycle;
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return set(device->arch_dep_device, duty_cycle_percent);
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}
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int pwm_get_period_ns(const struct pwm *device)
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{
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if(NULL == device)
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return -1;
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pwm_fp_get_period_ns_t get = device->fp->get_period;
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return get(device->arch_dep_device);
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}
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int pwm_get_pulse_width_ns(const struct pwm *device)
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{
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if(NULL == device)
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return -1;
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pwm_fp_get_pulse_width_ns_t get = device->fp->get_pulse_width;
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return get(device->arch_dep_device);
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}
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