nuttx/boards/arm/rp2040/common/include/rp2040_pwmdev.h

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2022-06-23 02:36:10 +02:00
/****************************************************************************
* boards/arm/rp2040/common/include/rp2040_pwmdev.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __BOARDS_ARM_RP2040_RASPBERRYPI_PICO_INCLUDE_RP2040_PWMDEV_H
#define __BOARDS_ARM_RP2040_RASPBERRYPI_PICO_INCLUDE_RP2040_PWMDEV_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
/****************************************************************************
* Public Data
****************************************************************************/
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
/****************************************************************************
* Name: rp2040_pwmdev_initialize
*
* Description:
* Initialize pwm driver and register the /dev/pwm device.
*
****************************************************************************/
#if defined(CONFIG_PWM_NCHANNELS) && CONFIG_PWM_NCHANNELS == 2
int rp2040_pwmdev_initialize(int slice,
int pin_a,
int pin_b,
uint32_t flags);
#else
int rp2040_pwmdev_initialize(int slice,
int pin,
uint32_t flags);
#endif
#undef EXTERN
#if defined(__cplusplus)
}
#endif
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_RP2040_RASPBERRYPI_PICO_INCLUDE_RP2040_PWMDEV_H */