sensor.c File Reference

#include "sensor.h"
#include <nanopb/pb_decode.h>
#include <nanopb/pb_encode.h>
#include <stdio.h>

Go to the source code of this file.

Functions
bool	MetadataEqual (Metadata *left, Metadata *right)
	Compares two Metadata structures for equality.
unsigned int	Format (RepeatedSensorMeasurements *meas)
	Optimizes repeated sensor measurements for size.
SensorStatus	Parse (RepeatedSensorMeasurements *meas)
	Parses repeated sensor measurements to add metadata back to individual measurements.
void	PrintMetadata (const Metadata *meta)
SensorStatus	FormatRepeatedSensorMeasurements (Metadata meta, const SensorMeasurement meas[], size_t count, RepeatedSensorMeasurements *out)
SensorStatus	EncodeSensorMeasurement (const SensorMeasurement *meas, uint8_t *buffer, size_t *size)
	Encodes a single sensor measurement into a buffer.
SensorStatus	EncodeRepeatedSensorMeasurements (Metadata meta, const SensorMeasurement meas[], size_t count, uint8_t *buffer, size_t size, size_t *length)
	Encodes multiple sensor measurements into a buffer.
SensorStatus	RepeatedSensorMeasurementsSize (Metadata meta, const SensorMeasurement meas[], size_t count, size_t *size)
	Gets the size of multiple repeated sensor measurements when encoded.
SensorStatus	EncodeUint32Measurement (Metadata meta, uint32_t value, SensorType type, uint8_t *buffer, size_t *size)
	Encodes a uint64_t sensor measurement into a buffer.
SensorStatus	EncodeInt32Measurement (Metadata meta, int32_t value, SensorType type, uint8_t *buffer, size_t *size)
	Encodes an int64_t sensor measurement into a buffer.
SensorStatus	EncodeDoubleMeasurement (Metadata meta, double value, SensorType type, uint8_t *buffer, size_t *size)
	Encodes a double sensor measurement into a buffer.
SensorStatus	DecodeSensorMeasurement (const uint8_t *data, const size_t len, SensorMeasurement *meas)
	Decodes a sensor measurement from a buffer.
SensorStatus	DecodeRepeatedSensorMeasurements (const uint8_t *data, const size_t len, RepeatedSensorMeasurements *measurements)
	Decodes multiple sensor measurements from a buffer.
SensorStatus	EncodeRepeatedSensorResponses (const RepeatedSensorResponses responses, uint8_t *buffer, size_t *size)
	Encodes multiple sensor responses into a buffer.
SensorStatus	DecodeRepeatedSensorReponses (const uint8_t *data, const size_t len, RepeatedSensorResponses *resp)
	Decodes multiple sensor responses from a buffer.
SensorStatus	CheckSensorResponse (const SensorResponse *resp)
	Checks a single sensor response for errors.
void	PrintSensorMeasurement (const SensorMeasurement *m)
void	PrintRepeatedSensorMeasurements (const RepeatedSensorMeasurements *msg)

Function Documentation

Format()

unsigned int Format

(

RepeatedSensorMeasurements *

meas

)

Optimizes repeated sensor measurements for size.

Places duplicate metadata fields into the top level "meta" field.

Parameters

meas	Pointer to the RepeatedSensorMeasurements to optimize.

Returns

The number of duplicate metadata removed.

Definition at line 59 of file sensor.c.

References i, and MetadataEqual().

Referenced by FormatRepeatedSensorMeasurements().

FormatRepeatedSensorMeasurements()

SensorStatus FormatRepeatedSensorMeasurements	(	Metadata	meta,
		const SensorMeasurement	meas[],
		size_t	count,
		RepeatedSensorMeasurements *	out
	)

Definition at line 124 of file sensor.c.

References Format(), i, SENSOR_OK, and SENSOR_OUT_OF_BOUNDS.

Referenced by EncodeRepeatedSensorMeasurements(), and RepeatedSensorMeasurementsSize().

MetadataEqual()

bool MetadataEqual	(	Metadata *	left,
		Metadata *	right
	)

Compares two Metadata structures for equality.

Parameters

left	Pointer to the first Metadata structure.
right	Pointer to the second Metadata structure.

Returns

true if equal, false otherwise.

Definition at line 45 of file sensor.c.

Referenced by Format().

Parse()

SensorStatus Parse

(

RepeatedSensorMeasurements *

meas

)

Parses repeated sensor measurements to add metadata back to individual measurements.

Parameters

meas	Pointer to the RepeatedSensorMeasurements to parse.

Returns

SENSOR_OK on success, SENSOR_ERROR on failure.

Definition at line 103 of file sensor.c.

References i, SENSOR_ERROR, and SENSOR_OK.

Referenced by DecodeRepeatedSensorMeasurements().

PrintMetadata()

void PrintMetadata

(

const Metadata *

meta

)

Definition at line 332 of file sensor.c.

Referenced by PrintRepeatedSensorMeasurements(), and PrintSensorMeasurement().