72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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/**
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* @file PoolRawAccessHelper.h
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*
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* @date 22.12.2019
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*/
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#ifndef FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_
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#define FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_
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#include <framework/returnvalues/HasReturnvaluesIF.h>
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#include <framework/datapool/DataSet.h>
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/**
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* @brief This helper function simplifies accessing data pool entries
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* via PoolRawAccess
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* @details Can be used for a Housekeeping Service
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* like PUS Service 3 if the type of the datapool entries is unknown.
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* The provided dataset is serialized into a provided buffer automatically.
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*/
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class PoolRawAccessHelper: public HasReturnvaluesIF {
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public:
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/**
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* Call this constructor if a dataset needs to be serialized via
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* Pool Raw Access
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* @param dataSet_ This dataset will be used to perform thread-safe reading
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* @param poolIdBuffer_ A buffer of uint32_t pool IDs
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* @param numberOfParameters_ The number of parameters / pool IDs
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*/
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PoolRawAccessHelper(DataSet * dataSet_, const uint8_t * poolIdBuffer_,
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uint8_t numberOfParameters_);
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virtual ~PoolRawAccessHelper();
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/**
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* Serialize the datapool entries derived from the pool ID buffer
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* directly into a provided buffer
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* @param [out] buffer
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* @param [out] size Size of the serialized buffer
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* @param max_size
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* @param bigEndian
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* @return @c RETURN_OK On success
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* @c RETURN_FAILED on failure
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*/
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ReturnValue_t serialize(uint8_t ** buffer, uint32_t * size,
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const uint32_t max_size, bool bigEndian);
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/**
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* Serializes data pool entries into provided buffer with the validity mask buffer
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* at the end of the buffer. Every bit of the validity mask denotes
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* the validity of a corresponding data pool entry from left to right.
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* @param [out] buffer
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* @param [out] size Size of the serialized buffer plus size
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* of the validity mask
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* @return @c RETURN_OK On success
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* @c RETURN_FAILED on failure
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*/
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ReturnValue_t serializeWithValidityMask(uint8_t ** buffer, uint32_t * size,
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const uint32_t max_size, bool bigEndian);
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private:
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DataSet * dataSet;
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const uint8_t * poolIdBuffer;
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uint8_t numberOfParameters;
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void serializeCurrentPoolEntryIntoBuffer(const uint8_t ** pPoolIdBuffer,uint8_t ** buffer,
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int32_t * remainingParameters, uint32_t * hkDataSize,const uint32_t max_size,
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bool bigEndian, bool withValidMask);
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uint8_t bitSetter(uint8_t byte, uint8_t position, bool value);
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};
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#endif /* FRAMEWORK_DATAPOOL_POOLRAWACCESSHELPER_H_ */
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