mbed-os/hal/port_api.h

95 lines
2.2 KiB
C

/** \addtogroup hal */
/** @{*/
/* mbed Microcontroller Library
* Copyright (c) 2006-2013 ARM Limited
* SPDX-License-Identifier: Apache-2.0
*
* Licensed 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 MBED_PORTMAP_H
#define MBED_PORTMAP_H
#include "device.h"
#if DEVICE_PORTIN || DEVICE_PORTOUT
#ifdef __cplusplus
extern "C" {
#endif
/** Port HAL structure. port_s is declared in the target's HAL
*/
typedef struct port_s port_t;
/**
* \defgroup hal_port Port HAL functions
* @{
*/
/** Get the pin name from the port's pin number
*
* @param port The port name
* @param pin_n The pin number within the specified port
* @return The pin name for the port's pin number
*/
PinName port_pin(PortName port, int pin_n);
/** Initilize the port
*
* @param obj The port object to initialize
* @param port The port name
* @param mask The bitmask to identify which bits in the port should be included (0 - ignore)
* @param dir The port direction
*/
void port_init(port_t *obj, PortName port, int mask, PinDirection dir);
/** Set the input port mode
*
* @param obj The port object
* @param mode THe port mode to be set
*/
void port_mode(port_t *obj, PinMode mode);
/** Set port direction (in/out)
*
* @param obj The port object
* @param dir The port direction to be set
*/
void port_dir(port_t *obj, PinDirection dir);
/** Write value to the port
*
* @param obj The port object
* @param value The value to be set
*/
void port_write(port_t *obj, int value);
/** Read the current value on the port
*
* @param obj The port object
* @return An integer with each bit corresponding to an associated port pin setting
*/
int port_read(port_t *obj);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif
#endif
/** @}*/