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- /*
- * ESPRESSIF MIT License
- *
- * Copyright (c) 2016 <ESPRESSIF SYSTEMS (SHANGHAI) PTE LTD>
- *
- * Permission is hereby granted for use on ESPRESSIF SYSTEMS ESP8266 only, in which case,
- * it is free of charge, to any person obtaining a copy of this software and associated
- * documentation files (the "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
- * to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in all copies or
- * substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- */
- #ifndef __PWM_H__
- #define __PWM_H__
- /*pwm.h: function and macro definition of PWM API , driver level */
- /*user_light.h: user interface for light API, user level*/
- /*user_light_adj: API for color changing and lighting effects, user level*/
- /*NOTE!! : DO NOT CHANGE THIS FILE*/
- /*SUPPORT UP TO 8 PWM CHANNEL*/
- #define PWM_CHANNEL_NUM_MAX 8
- struct pwm_param {
- uint32 period;
- uint32 freq;
- uint32 duty[PWM_CHANNEL_NUM_MAX]; //PWM_CHANNEL<=8
- };
- /* pwm_init should be called only once, for now */
- void pwm_init(uint32 period, uint32 *duty,uint32 pwm_channel_num,uint32 (*pin_info_list)[3]);
- void pwm_start(void);
- void pwm_set_duty(uint32 duty, uint8 channel);
- uint32 pwm_get_duty(uint8 channel);
- void pwm_set_period(uint32 period);
- uint32 pwm_get_period(void);
- uint32 get_pwm_version(void);
- void set_pwm_debug_en(uint8 print_en);
- #endif
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