Reading GPS Data From Raw (Binary) Data

The dwSensorGPS_processRawData() and dwSensorGPS_popFrame() functions can be used to parse raw sensor data and read the measurements in the dwGPSFrame format. dwSensorGPS_processRawData() copies parsed data, therefore the raw data can be returned after the call.

Example

The following code shows the general structure of a program reading raw data from a sensor, serializing it and parsing it.

dwSensorHandle_t gpsSensor;
dwSAL_createSensor(&gpsSensor, ..., ...);

dwSensor_start(gpsSensor);

const uint8_t *data = nullptr;
size_t size         = 0;

while(loop)
{
    dwStatus status = DW_NOT_READY;

    while (status == DW_NOT_READY)
    {
        dwSensor_readRawData(&data, &size, 1000000, gpsSensor);

        status = dwSensorGPS_processRawData(data, size, gpsSensor);

        dwSensorSerializer_serializeDataAsync(data, size, ...);

        dwSensor_returnRawData(data, gpsSensor);
    }

    dwGPSFrame frame{};
    dwSensorGPS_popFrame(&frame, gpsSensor);

    ...
}

dwSensor_stop(gpsSensor);
dwSAL_releaseSensor(&gpsSensor);