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/*
* 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);
// Increase/Decrease previous values using percentage passed in Json
int HalCtlsChangePreviousValuesUsingJson(AFB_ApiT apiHandle,
struct CtlHalAlsaCtlProperties *alsaCtlProperties,
json_object *requestedPercentageVariationJ,
json_object *previousControlValuesJ,
json_object **ChangedJ);
#endif /* _HAL_CTLS_VALUE_CONVERSION_INCLUDE_ */
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