Heinrichs Weikamp: Add Placeholder for GPS Coordinates on OSTC5 #87
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Add a placeholder for the yet to be added GPS coordinates on OSTC5. This fixes the misalignment of the parsed data when the log was generated by firmware with GPS support. Signed-off-by: Michael Keller <[email protected]>
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Pull Request Overview
Adds a placeholder for parsing GPS coordinates on OSTC5 logs to correct misaligned data when GPS-supported firmware is used.
- Introduces a
coordinate_value_tunion for interpreting raw bits asunsigned intorfloat - Implements a new branch that reads 8 bytes for longitude/latitude and logs them
- Includes buffer underflow checking before consuming the GPS data
Comments suppressed due to low confidence (1)
src/hw_ostc_parser.c:1211
- Consider adding unit tests for this new placeholder path, including a case where
length < 8triggers the underflow error to ensure robustness.
// GNSS position update (placeholder for now)
src/hw_ostc_parser.c
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| lon.intval = (float)array_uint32_le(data + offset); // Longitude | ||
| coordinate_value_t lat; | ||
| lat.intval = (float)array_uint32_le(data + offset + 4); // Latitude |
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Same issue here: the cast to float before storing in intval will yield incorrect floatval. Use lat.intval = array_uint32_le(data + offset + 4); or parse into floatval directly.
Suggested change
| lon.intval = (float)array_uint32_le(data + offset); // Longitude | |
| coordinate_value_t lat; | |
| lat.intval = (float)array_uint32_le(data + offset + 4); // Latitude | |
| lon.intval = array_uint32_le(data + offset); // Longitude | |
| coordinate_value_t lat; | |
| lat.intval = array_uint32_le(data + offset + 4); // Latitude |
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Co-authored-by: Copilot <[email protected]> Signed-off-by: Michael Keller <[email protected]>
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Add a placeholder for the yet to be added GPS coordinates on OSTC5. This
fixes the misalignment of the parsed data when the log was generated by
firmware with GPS support.
Signed-off-by: Michael Keller [email protected]