53 lines
2.0 KiB
C
53 lines
2.0 KiB
C
/****************************************************************************
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* arch/xtensa/src/esp32/esp32_ledc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. 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, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_XTENSA_SRC_ESP32_ESP32_LEDC_H
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#define __ARCH_XTENSA_SRC_ESP32_ESP32_LEDC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/timers/pwm.h>
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/****************************************************************************
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* Public functions
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****************************************************************************/
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/****************************************************************************
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* Name: esp32_ledc_init
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*
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* Description:
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* Initialize one LEDC timer for use with the upper_level PWM driver.
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*
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* Input Parameters:
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* timer - A number identifying the timer use.
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*
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* Returned Value:
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* On success, a pointer to the ESP32-C3 LEDC lower half PWM driver is
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* returned. NULL is returned on any failure.
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*
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****************************************************************************/
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struct pwm_lowerhalf_s *esp32_ledc_init(int timer);
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#endif /* __ARCH_RISCV_SRC_ESP32_ESP32_LEDC_H */
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