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45 lines
1.4 KiB
45 lines
1.4 KiB
/*
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* Copyright (C) 2016 Stefan Brüns <stefan.bruens@rwth-aachen.de>
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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
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __PWM_H__
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#define __PWM_H__
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/*SUPPORT UP TO 8 PWM CHANNEL*/
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#ifndef PWM_CHANNEL_NUM_MAX
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#define PWM_CHANNEL_NUM_MAX 8
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#endif
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struct pwm_param {
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uint32 period;
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uint32 freq;
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uint32 duty[PWM_CHANNEL_NUM_MAX]; //PWM_CHANNEL<=8
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};
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/* pwm_init should be called only once, for now */
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void pwm_init(uint32 period, uint32 *duty,uint32 pwm_channel_num,uint32 (*pin_info_list)[3]);
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void pwm_start(void);
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void pwm_set_duty(uint32 duty, uint8 channel);
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uint32 pwm_get_duty(uint8 channel);
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void pwm_set_period(uint32 period);
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uint32 pwm_get_period(void);
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uint32 get_pwm_version(void);
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void set_pwm_debug_en(uint8 print_en);
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#endif
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