1 files changed, 53 insertions, 0 deletions
diff --git a/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h
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+++ b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h
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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 _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_
+#define _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_
+
+#include <stdio.h>
+
+#include <wrap-json.h>
+
+#include <afb/afb-binding.h>
+
+#include "4a-internals-hal-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 InternalHalConvertValueToPercentage(double val, double min, double max);
+int InternalHalConvertPercentageToValue(int percentage, int min, int max);
+
+// Convert json object from percentage to value
+int InternalHalConvertJsonValues(afb_api_t apiHandle,
+				 struct InternalHalAlsaCtlProperties *alsaCtlProperties,
+				 json_object *toConvertJ,
+				 json_object **ConvertedJ,
+				 enum ConversionType requestedConversion);
+
+// Increase/Decrease previous values using percentage passed in Json
+int InternalHalChangePreviousValuesUsingJson(afb_api_t apiHandle,
+					     struct InternalHalAlsaCtlProperties *alsaCtlProperties,
+					     json_object *requestedPercentageVariationJ,
+					     json_object *previousControlValuesJ,
+					     json_object **ChangedJ);
+
+#endif /* _INTERNALS_HAL_VALUE_CONVERSION_INCLUDE_ */
+\ No newline at end of file