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/*
* tizen-radio.h
*
* Copyright (c) 2016 Samsung Electronics Co., Ltd. All rights reserved.
*
* 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 __TIZEN_RADIO_HAL_H__
#define __TIZEN_RADIO_HAL_H__
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/**
* @file tizen-radio.h
* @brief This file contains the Tizen radio HAL API, related structures and enumerations.
* @since_tizen 3.0
*/
/**
* @addtogroup TIZEN_RADIO_HAL_MODULE
* @{
*/
/**
* @brief Enumeration for the radio error.
* @since_tizen 3.0
*/
typedef enum radio_error {
RADIO_ERROR_NONE,
RADIO_ERROR_INVALID_PARAMETER,
RADIO_ERROR_INVALID_STATE,
RADIO_ERROR_INVALID_OPERATION,
RADIO_ERROR_PERMISSION_DENIED,
RADIO_ERROR_NOT_SUPPORTED,
RADIO_ERROR_OUT_OF_MEMORY,
RADIO_ERROR_DEVICE_NOT_PREPARED,
RADIO_ERROR_DEVICE_NOT_OPENED,
RADIO_ERROR_DEVICE_NOT_FOUND,
RADIO_ERROR_DEVICE_NOT_SUPPORTED,
RADIO_ERROR_NO_ANTENNA,
RADIO_ERROR_INTERNAL,
RADIO_ERROR_UNKNOWN
} radio_error_t;
/**
* @brief Enumeration for the radio seek direction.
* @since_tizen 3.0
*/
typedef enum radio_seek_direction_type {
RADIO_SEEK_DIRECTION_UP, /**< Seek upward */
RADIO_SEEK_DIRECTION_DOWN /**< Seek downward */
} radio_seek_direction_type_t;
typedef struct radio_interface {
/* create & destroy */
radio_error_t (*init)(void **radio_hanle);
radio_error_t (*deinit)(void *radio_handle);
radio_error_t (*prepare)(void *radio_handle);
radio_error_t (*unprepare)(void *radio_handle);
radio_error_t (*open)(void *radio_handle);
radio_error_t (*close)(void *radio_handle);
radio_error_t (*start)(void *radio_handle);
radio_error_t (*stop)(void *radio_handle);
radio_error_t (*seek)(void *radio_handle, radio_seek_direction_type_t direction);
radio_error_t (*get_frequency)(void *radio_handle, uint32_t *frequency);
radio_error_t (*set_frequency)(void *radio_handle, uint32_t frequency);
radio_error_t (*mute)(void *radio_handle);
radio_error_t (*unmute)(void *radio_handle);
radio_error_t (*get_signal_strength)(void *radio_handle, uint32_t *strength);
} radio_interface_t;
/**
* @brief Initializes new handle of radio HAL.
* @since_tizen 3.0
* @param[out] radio_handle A newly returned handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_OUT_OF_MEMORY Out of memory
* @see radio_deinit()
*/
radio_error_t radio_init(void **radio_handle);
/**
* @brief Deinitializes handle of camera HAL.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @see radio_init()
*/
radio_error_t radio_deinit(void *radio_handle);
/**
* @brief Prepare the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_DEVICE_NOT_OPENED The radio device is not opened
* @see radio_unprepare()
*/
radio_error_t radio_prepare(void *radio_handle);
/**
* @brief Unprepare the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @see radio_prepare()
*/
radio_error_t radio_unprepare(void *radio_handle);
/**
* @brief Opens the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_DEVICE_NOT_FOUND Failed to find radio device
* @retval #RADIO_ERROR_DEVICE_NOT_OPENED The radio device is not opened
* @retval #RADIO_ERROR_PERMISSION_DENIED The access to the resources can not be granted.
* @retval #RADIO_ERROR_DEVICE_NOT_PREPARED Not prepared the radio device
* @see radio_close()
*/
radio_error_t radio_open(void *radio_handle);
/**
* @brief Closes the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @see radio_open()
*/
radio_error_t radio_close(void *radio_handle);
/**
* @brief Starts the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @see radio_stop()
*/
radio_error_t radio_start(void *radio_handle);
/**
* @brief Stops the device of radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @see radio_start()
*/
radio_error_t radio_stop(void *radio_handle);
/**
* @brief Seeks (up or down) the effective frequency of the radio.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @param[in] direction The seek direction type (up or down)
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_DEVICE_NOT_OPENED The radio device is not opened
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_seek(void *radio_handle, radio_seek_direction_type_t direction);
/**
* @brief Gets the radio frequency.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @param[out] frequency The current frequency (khz)
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_DEVICE_NOT_OPENED The radio device is not opened
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_get_frequency(void *radio_handle, uint32_t *frequency);
/**
* @brief Sets the radio frequency.
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @param[in] frequency The frequency to set (khz)
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_DEVICE_NOT_OPENED The radio device is not opened
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_set_frequency(void *radio_handle, uint32_t frequency);
/**
* @brief Sets the radio's mute
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_mute(void *radio_handle);
/**
* @brief Unsets the radio's mute
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_unmute(void *radio_handle);
/**
* @brief Gets the current signal strength of the radio
* @since_tizen 3.0
* @param[in] radio_handle The handle to the radio HAL
* @param[out] strength The current signal strength (dBm)
* @return @c 0 on success, otherwise a negative error value
* @retval #RADIO_ERROR_NONE Successful
* @retval #RADIO_ERROR_INVALID_PARAMETER Invalid parameter
* @retval #RADIO_ERROR_INVALID_OPERATION Invalid operation
*/
radio_error_t radio_get_signal_strength(void *radio_handle, uint32_t *strength);
/**
* @}
*/
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __TIZEN_RADIO_HAL_H__ */
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