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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/GPS.cpp
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@@ -174,7 +174,7 @@ bool GPS::setupGPS()
#ifdef ARCH_ESP32
// In esp32 framework, setRxBufferSize needs to be initialized before Serial
_serial_gps->setRxBufferSize(2048); // the default is 256
_serial_gps->setRxBufferSize(SERIAL_BUFFER_SIZE); // the default is 256
#endif
// if the overrides are not dialled in, set them from the board definitions, if they exist
@@ -834,6 +834,14 @@ void GPS::forceWake(bool on)
}
}
// clear the GPS rx buffer as quickly as possible
void GPS::clearBuffer()
{
int x = _serial_gps->available();
while (x--)
_serial_gps->read();
}
/// Prepare the GPS for the cpu entering deep or light sleep, expect to be gone for at least 100s of msecs
int GPS::prepareSleep(void *unused)
{