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More GPS work (#2711)

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Increase GPS buffer on esp32
Check for and flush GPS buffer when overfilled and corrupted.

Co-authored-by: Ben Meadors <benmmeadors@gmail.com>
This commit is contained in:
Jonathan Bennett
2023-08-12 09:29:44 -05:00
committed by GitHub
parent 6e0b6684ee
commit c44986127e
4 changed files with 21 additions and 3 deletions
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10
src/gps/NMEAGPS.cpp
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@@ -253,8 +253,14 @@ bool NMEAGPS::hasFlow()
bool NMEAGPS::whileIdle()
{
bool isValid = false;
#ifdef SERIAL_BUFFER_SIZE
if (_serial_gps->available() >= SERIAL_BUFFER_SIZE - 1) {
LOG_WARN("GPS Buffer full with %u bytes waiting. Flushing to avoid corruption.\n", _serial_gps->available());
clearBuffer();
}
#endif
// if (_serial_gps->available() > 0)
// LOG_DEBUG("GPS Bytes Waiting: %u\n", _serial_gps->available());
LOG_DEBUG("GPS Bytes Waiting: %u\n", _serial_gps->available());
// First consume any chars that have piled up at the receiver
while (_serial_gps->available() > 0) {
int c = _serial_gps->read();
@@ -263,4 +269,4 @@ bool NMEAGPS::whileIdle()
}
return isValid;
}
}