public bool readRecordDataPage(int index)
{
ushort length = 256;
if (parent.traqpaq.readRecordData(dataPage, length, (ushort)index))
{
// extract the data from the dataPage byte array
this.utc = BetterBitConverter.ToUInt32(dataPage, Constants.RECORD_DATA_UTC) / Constants.UTC_FACTOR;
this.hdop = BetterBitConverter.ToUInt16(dataPage, Constants.RECORD_DATA_HDOP) / Constants.HDOP_FACTOR;
this.GPSmode = dataPage[Constants.RECORD_DATA_MODE];
this.Satellites = dataPage[Constants.RECORD_DATA_SATELLITES];
// set the array of tRecordData structs
this.RecordData = new tRecordData[Constants.RECORD_DATA_PER_PAGE];
for (int i = 0; i < Constants.RECORD_DATA_PER_PAGE; i++)
{
this.RecordData[i].Latitude = BetterBitConverter.ToInt32(dataPage, Constants.RECORD_DATA_LATITUDE + (i * Constants.RECORD_DATA_SIZE) + 16) / Constants.LATITUDE_LONGITUDE_COORD;
this.RecordData[i].Longitude = BetterBitConverter.ToInt32(dataPage, Constants.RECORD_DATA_LONGITUDE + (i * Constants.RECORD_DATA_SIZE) + 16) / Constants.LATITUDE_LONGITUDE_COORD;
this.RecordData[i].lapDetected = dataPage[Constants.RECORD_DATA_LAP_DETECTED + (i * Constants.RECORD_DATA_SIZE) + 16] == 0x01; // 0x00 means lap not detected. True if lap is detected
this.RecordData[i].Altitude = BetterBitConverter.ToUInt16(dataPage, Constants.RECORD_DATA_ALTITUDE + (i * Constants.RECORD_DATA_SIZE) + 16) / Constants.ALTITUDE_FACTOR;
this.RecordData[i].Speed = BetterBitConverter.ToUInt16(dataPage, Constants.RECORD_DATA_SPEED + (i * Constants.RECORD_DATA_SIZE) + 16) * Constants.SPEED_FACTOR;
this.RecordData[i].Heading = BetterBitConverter.ToUInt16(dataPage, Constants.RECORD_DATA_COURSE + (i * Constants.RECORD_DATA_SIZE) + 16) / Constants.COURSE_FACTOR;
}
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// Read saved track data from the device
/// </summary>
/// <returns>True if successful, false if there was an error</returns>
public bool readTrack()
{
byte[] byteIndex = BetterBitConverter.GetBytes(index);
if (parent.traqpaq.sendCommand(USBcommand.USB_CMD_READ_SAVED_TRACKS, trackReadBuff, byteIndex[0], byteIndex[1]))
{
this.trackName = Encoding.ASCII.GetString(trackReadBuff, 0, Constants.TRACKLIST_NAME_STRLEN);
this.Longitute = BetterBitConverter.ToInt32(trackReadBuff, Constants.TRACKLIST_LONGITUDE) / Constants.LATITUDE_LONGITUDE_COORD;
this.Latitude = BetterBitConverter.ToInt32(trackReadBuff, Constants.TRACKLIST_LATITUDE) / Constants.LATITUDE_LONGITUDE_COORD;
this.Heading = BetterBitConverter.ToUInt16(trackReadBuff, Constants.TRACKLIST_COURSE);
this.isEmpty = (trackReadBuff[Constants.TRACKLIST_ISEMPTY] == 0xFF); // true if empty
return(true);
}
else
{
return(false);
}
}
public Position(byte[] readBuff)
{
latitude = BetterBitConverter.ToInt32(readBuff, 0) / Constants.LATITUDE_LONGITUDE_COORD;
longitude = BetterBitConverter.ToInt32(readBuff, 4) / Constants.LATITUDE_LONGITUDE_COORD;
heading = BetterBitConverter.ToInt16(readBuff, 8) / Constants.COURSE_FACTOR;
}
