74 lines
1.7 KiB
C
74 lines
1.7 KiB
C
/* Copyright 2018 Canaan Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _DRIVER_PWM_H
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#define _DRIVER_PWM_H
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#include <stddef.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef enum _pwm_device_number
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{
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PWM_DEVICE_0,
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PWM_DEVICE_1,
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PWM_DEVICE_2,
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PWM_DEVICE_MAX,
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} pwm_device_number_t;
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typedef enum _pwm_channel_number
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{
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PWM_CHANNEL_0,
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PWM_CHANNEL_1,
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PWM_CHANNEL_2,
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PWM_CHANNEL_3,
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PWM_CHANNEL_MAX,
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} pwm_channel_number_t;
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/**
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* @brief Init pwm timer
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*
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* @param[in] timer timer
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*/
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void pwm_init(pwm_device_number_t pwm_number);
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/**
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* @brief Enable timer
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*
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* @param[in] timer timer
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* @param[in] channel channel
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* @param[in] enable Enable or disable
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*
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*/
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void pwm_set_enable(pwm_device_number_t pwm_number, pwm_channel_number_t channel, int enable);
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/**
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* @brief Set pwm duty
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*
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* @param[in] timer timer
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* @param[in] channel channel
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* @param[in] frequency pwm frequency
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* @param[in] duty duty
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*
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*/
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double pwm_set_frequency(pwm_device_number_t pwm_number, pwm_channel_number_t channel, double frequency, double duty);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _DRIVER_PWM_H */
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