@@ -2229,137 +2229,3 @@ bool lg290pMessageEnabled(char *nmeaSentence, int sentenceLength)
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// If we can't ID this message, allow it by default. The device configuration should control most message flow.
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return (true );
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}
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-
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- // Re-create the GST sentence to increase the horizontal and vertical precision number of decimals
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- // ie, 0.0 becomes 0.009
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- // See issue: https://github.com/sparkfun/SparkFun_RTK_Everywhere_Firmware/issues/513
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- // $GNGST,223954.500,1.7,1.5,1.0,109.3,1.412,1.055,2.4*7E
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- // Modifies the sentence length with new length
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- void lg290pModifyGst (char *nmeaSentence, uint16_t *sentenceLength)
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- {
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- // This issue currently only applies to LG290P firmware version 4
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- // Version 3 does not support GST messages. Version 5 should fix the issue.
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- if (lg290pFirmwareVersion != 4 )
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- return ;
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-
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- if (online.gnss == false )
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- return ;
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-
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- // Only apply the GST patch if our HPA is very small (<0.1m), ie RTK Float or Fix.
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- if (gnss->isRTKFix () == false && gnss->isRTKFloat () == false )
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- return ;
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-
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- GNSS_LG290P *lg290p = (GNSS_LG290P *)gnss;
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-
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- // Identify sentence type
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- char sentenceType[strlen (" GST" ) + 1 ] = {0 };
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- strncpy (sentenceType, &nmeaSentence[3 ],
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- 3 ); // Copy three letters, starting in spot 3. Null terminated from array initializer.
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-
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- // We only care about GST sentences
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- if (strncmp (sentenceType, " GST" , sizeof (sentenceType)) != 0 )
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- return ;
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-
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- const int latitudeErrorComma = 6 ;
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- const int longitudeErrorComma = 7 ;
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- const int altitudeErrorComma = 8 ;
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-
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- uint8_t latitudeStart = 0 ;
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- uint8_t latitudeStop = 0 ;
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- uint8_t longitudeStart = 0 ;
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- uint8_t longitudeStop = 0 ;
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- uint8_t altitudeStart = 0 ;
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- uint8_t checksumStart = 0 ;
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-
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- if (settings.enableImuCompensationDebug == true && !inMainMenu)
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- systemPrintf (" Original GNGST:\r\n %s\r\n " , nmeaSentence);
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-
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- int commaCount = 0 ;
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- for (int x = 0 ; x < strnlen (nmeaSentence, *sentenceLength); x++) // Assumes sentence is null terminated
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- {
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- if (nmeaSentence[x] == ' ,' )
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- {
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- commaCount++;
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- if (commaCount == latitudeErrorComma)
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- latitudeStart = x + 1 ;
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- if (commaCount == latitudeErrorComma + 1 )
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- latitudeStop = x;
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- if (commaCount == longitudeErrorComma)
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- longitudeStart = x + 1 ;
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- if (commaCount == longitudeErrorComma + 1 )
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- longitudeStop = x;
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- if (commaCount == altitudeErrorComma)
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- altitudeStart = x + 1 ;
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- }
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- if (nmeaSentence[x] == ' *' )
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- {
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- checksumStart = x;
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- break ;
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- }
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- }
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-
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- if (latitudeStart == 0 || latitudeStop == 0 || longitudeStart == 0 || longitudeStop == 0 || altitudeStart == 0 ||
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- checksumStart == 0 )
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- {
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- systemPrintln (" Delineator not found" );
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- return ;
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- }
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-
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- char newSentence[150 ] = {0 };
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-
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- if (sizeof (newSentence) < *sentenceLength)
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- {
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- systemPrintln (" newSentence not big enough!" );
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- return ;
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- }
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-
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- char errorString[strlen (" 0.000" ) + 1 ] = {0 };
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-
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- // strncat terminates
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-
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- // Add start of message up to latitude
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- strncat (newSentence, nmeaSentence, latitudeStart);
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-
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- // Convert error from EPE message to string. We don't have pure lat error, only 2D and 3D.
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- snprintf (errorString, sizeof (errorString), " %0.3f" , lg290p->getHorizontalAccuracy ());
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-
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- // Add latitude error
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- strncat (newSentence, errorString, sizeof (newSentence) - 1 );
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-
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- // Add interstitial between end of lat and beginning of lon
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- strncat (newSentence, nmeaSentence + latitudeStop, longitudeStart - latitudeStop);
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-
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- // Add same error for longitude error
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- strncat (newSentence, errorString, sizeof (newSentence) - 1 );
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-
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- // Add interstitial between end of lon and beginning of alt
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- strncat (newSentence, nmeaSentence + longitudeStop, altitudeStart - longitudeStop);
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-
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- // Convert error from EPE message to string. We don't have pure altitude error, use double 2D error as stand-in.
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- snprintf (errorString, sizeof (errorString), " %0.3f" , lg290p->getHorizontalAccuracy () * 2 );
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-
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- // Add altitude error. We don't really have altitude so use 3D error in its place.
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- strncat (newSentence, errorString, sizeof (newSentence) - 1 );
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-
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- // From: http://engineeringnotes.blogspot.com/2015/02/generate-crc-for-nmea-strings-arduino.html
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- byte CRC = 0 ; // XOR chars between '$' and '*'
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- for (byte x = 1 ; x < strlen (newSentence); x++)
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- CRC = CRC ^ newSentence[x];
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-
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- // Convert CRC to string, add * and CR LF
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- snprintf (errorString, sizeof (errorString), " *%02X\r\n " , CRC);
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-
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- // Add CRC
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- strncat (newSentence, errorString, sizeof (newSentence) - 1 );
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-
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- // Increase length of sentence
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- *sentenceLength = strlen (newSentence);
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-
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- // Overwrite the original NMEA
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- strncpy (nmeaSentence, newSentence, *sentenceLength);
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-
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- nmeaSentence[*sentenceLength] = ' \0 ' ; // Terminate string
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-
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- if (settings.enableImuCompensationDebug == true && !inMainMenu)
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- systemPrintf (" Corrected GNGST:\r\n %s\r\n " , nmeaSentence);
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- }
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