cxd56_gpioif.h

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/****************************************************************************
 * boards/arm/cxd56xx/spresense/include/cxd56_gpioif.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_CXD56XX_SPRESENSE_INCLUDE_CXD56_GPIOIF_H
#define __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_GPIOIF_H
 
/****************************************************************************
 * Included Files
 ****************************************************************************/
 
#include <nuttx/config.h>
 
#include <stdint.h>
#include <stdbool.h>
 
#include <nuttx/irq.h>
 
#undef EXTERN
#if defined(__cplusplus)
#define EXTERN extern "C"
extern "C"
{
#else
#define EXTERN extern
#endif
 
/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/
 
#define PIN_FLOAT               (0) /* Floating */
#define PIN_PULLUP              (1) /* Internal Weak Pull Up */
#define PIN_PULLDOWN            (2) /* Internal Weak Pull Down */
#define PIN_BUSKEEPER           (3) /* Internal Bus-Keeper */
 
/* @} */
 
#define INT_HIGH_LEVEL          (2) /* High Level */
#define INT_LOW_LEVEL           (3) /* Low Level */
#define INT_RISING_EDGE         (4) /* Rising Edge */
#define INT_FALLING_EDGE        (5) /* Falling Edge */
#define INT_BOTH_EDGE           (7) /* Both Edge */
 
/* @} */
 
#ifndef __ASSEMBLY__
 
/****************************************************************************
 * Public Function Prototypes
 ****************************************************************************/
 
int board_gpio_config(uint32_t pin, int mode, bool input, bool drive,
                      int pull);
 
int board_gpio_status(uint32_t pin, bool *input, bool *output, bool *drive,
                      int *pull);
 
void board_gpio_write(uint32_t pin, int value);
 
int board_gpio_read(uint32_t pin);
 
int board_gpio_intconfig(uint32_t pin, int mode, bool filter, xcpt_t isr);
 
int board_gpio_intstatus(uint32_t pin, int *mode,
                         bool *filter, bool *enabled);
 
int board_gpio_int(uint32_t pin, bool enable);
 
/* @} gpioif */
 
#undef EXTERN
#if defined(__cplusplus)
}
#endif
 
#endif /* __ASSEMBLY__ */
#endif /* __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_GPIOIF_H */