76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
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/*
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* File : drv_pwm.h
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* This file is part of GK710X BSP for RT-Thread distribution.
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*
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* Copyright (c) 2017 GOKE Microelectronics Co., Ltd.
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* All rights reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Visit http://www.goke.com to get contact with Goke.
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*
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* Change Logs:
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* Date Author Notes
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*/
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#ifndef PWM_H_
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#define PWM_H_
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#include <rtthread.h>
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#include <rtdef.h>
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#define ENABLE_PWM (0x10)
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#define DISABLE_PWM (0x11)
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#define SET_PWM_DUTY_CYCLE (0x12)
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#define GET_PWM_DUTY_CYCLE (0x13)
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#define SET_PWM_VSYNC_MODE (0x14)
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#define GET_PWM_VSYNC_MODE (0x15)
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#define SET_PWM_CLOCK_DIV (0x16)
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#define SET_PWM_ACT_CHANNEL (0x17)
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#define PWM_MAX_CHANNEL 8
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struct pwm_param_vsync_mode
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{
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rt_uint16_t speed;
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rt_uint32_t highLevelCnt;
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rt_uint32_t lowLevelCnt;
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};
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struct pwm_device
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{
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rt_uint32_t freq;
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rt_uint32_t range;
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rt_uint32_t duty;
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};
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struct gk_pwm_obj
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{
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int id;
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rt_uint32_t gpio_id;
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};
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struct pwm_driver
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{
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struct gk_pwm_obj pwm[PWM_MAX_CHANNEL];
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};
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void rt_hw_pwm_init(void);
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#endif /* PWM_H_ */
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