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GPS: re-open the serial port with a 256 byte serial receive buffer 

this ensures all GPS parsers have a 256 byte buffer available
This commit is contained in:
Andrew Tridgell 2012-06-08 16:40:30 +10:00
parent bfb2c1ee87
commit f4718cafad
2 changed files with 2 additions and 8 deletions
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3
libraries/AP_GPS/AP_GPS_Auto.cpp
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@ -65,7 +65,8 @@ AP_GPS_Auto::read(void)
//
for (i = 0; i < (sizeof(baudrates) / sizeof(baudrates[0])); i++) {
_fs->begin(baudrates[i]);
// ensure the serial port has a large enough buffer for any protocol
_fs->begin(baudrates[i], 256, 16);
if (NULL != (gps = _detect())) {
// configure the detected GPS and give it a chance to listen to its device

7
libraries/AP_GPS/AP_GPS_NMEA.cpp
View File

@ -94,13 +94,6 @@ const char AP_GPS_NMEA::_gpvtg_string[] PROGMEM = "GPVTG";
AP_GPS_NMEA::AP_GPS_NMEA(Stream *s) :
GPS(s)
{
FastSerial *fs = (FastSerial *)_port;
// Re-open the port with enough receive buffering for the messages we expect
// and very little tx buffering, since we don't care about sending.
// Leave the port speed alone as we don't actually know at what rate we're running...
//
fs->begin(0, 200, 16);
}
// Public Methods //////////////////////////////////////////////////////////////