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/*
* Copyright (C) 2017 Konsulko Group
*
* 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 _RADIO_IMPL_H
#define _RADIO_IMPL_H
#include <stdint.h>
typedef enum {
BAND_AM = 0,
BAND_FM
} radio_band_t;
typedef enum {
SCAN_FORWARD = 0,
SCAN_BACKWARD
} radio_scan_direction_t;
typedef void (*radio_scan_callback_t)(uint32_t frequency, void *data);
typedef void (*radio_freq_callback_t)(uint32_t frequency, void *data);
typedef enum {
MONO = 0,
STEREO
} radio_stereo_mode_t;
typedef struct {
char *name;
int (*init)(void);
void (*set_output)(const char *output);
uint32_t (*get_frequency)(void);
void (*set_frequency)(uint32_t frequency);
void (*set_frequency_callback)(radio_freq_callback_t callback,
void *data);
radio_band_t (*get_band)(void);
void (*set_band)(radio_band_t band);
int (*band_supported)(radio_band_t band);
uint32_t (*get_min_frequency)(radio_band_t band);
uint32_t (*get_max_frequency)(radio_band_t band);
uint32_t (*get_frequency_step)(radio_band_t band);
void (*start)(void);
void (*stop)(void);
void (*scan_start)(radio_scan_direction_t direction,
radio_scan_callback_t callback,
void *data);
void (*scan_stop)(void);
radio_stereo_mode_t (*get_stereo_mode)(void);
void (*set_stereo_mode)(radio_stereo_mode_t mode);
char * (*get_rds_info)(void);
} radio_impl_ops_t;
#endif /* _RADIO_IMPL_H */
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