aboutsummaryrefslogtreecommitdiffstats
path: root/4a-hal/4a-hal-controllers/4a-hal-controllers-value-handler.h
blob: f976fe89ec3c79e2f4b7ac39663b29ce3709ae7d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
/*
 * Copyright (C) 2018 "IoT.bzh"
 * Author Jonathan Aillet <jonathan.aillet@iot.bzh>
 *
 * 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 _HAL_CTLS_VALUE_CONVERSION_INCLUDE_
#define _HAL_CTLS_VALUE_CONVERSION_INCLUDE_

#include <stdio.h>

#include <wrap-json.h>

#include "4a-hal-controllers-alsacore-link.h"

// Enum for the type of conversion requested
enum ConversionType {
	CONVERSION_NORMALIZED_TO_ALSACORE = 1,
	CONVERSION_ALSACORE_TO_NORMALIZED = 2
};

// Simple conversion value to/from percentage functions
int HalCtlsConvertValueToPercentage(double val, double min, double max);
int HalCtlsConvertPercentageToValue(int percentage, int min, int max);

// Convert json object from percentage to value
int HalCtlsConvertJsonValues(AFB_ApiT apiHandle,
			     struct CtlHalAlsaCtlProperties *alsaCtlProperties,
			     json_object *toConvertJ,
			     json_object **ConvertedJ,
			     enum ConversionType requestedConversion);

#endif /* _HAL_CTLS_VALUE_CONVERSION_INCLUDE_ */