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AP_GPS: correct compilation when all serial backends compiled out

This commit is contained in:
Peter Barker 2022-07-22 09:55:25 +10:00 committed by Andrew Tridgell
parent 96b4945eb9
commit b4bee6a510
1 changed files with 2 additions and 1 deletions
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3
libraries/AP_GPS/AP_GPS.cpp
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@ -752,7 +752,8 @@ AP_GPS_Backend *AP_GPS::_detect_instance(uint8_t instance)
uint16_t bytecount = MIN(8192U, _port[instance]->available());
while (bytecount-- > 0) {
uint8_t data = _port[instance]->read();
const uint8_t data = _port[instance]->read();
(void)data; // if all backends are compiled out then "data" is unused
#if AP_GPS_UBLOX_ENABLED
if ((_type[instance] == GPS_TYPE_AUTO ||