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Diffstat (limited to '4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h')
| -rw-r--r-- | 4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h | 53 |
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 new file mode 100644 index 0000000..f0288ac --- /dev/null +++ b/4a-hal/4a-internals-hal/4a-internals-hal-value-handler.h @@ -0,0 +1,53 @@ +/* + * 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_ */
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