we can have multiple UARTs on the same thread sharing the same DMA TX
channel. That can lead to deadlock with blocking locks on DMA. This
makes UART requests for DMA locks non-blocking to fix the issue
In file included from
../../libraries/AP_Airspeed/AP_Airspeed_SDP3X.cpp:21:
../../libraries/AP_Airspeed/AP_Airspeed_SDP3X.h:57:11: warning: private
field '_temperature' is not used [-Wunused-private-field]
float _temperature;
^
../../libraries/AP_Airspeed/AP_Airspeed_SDP3X.h:58:11: warning: private
field '_pressure' is not used [-Wunused-private-field]
float _pressure;
../../libraries/AP_ADC/AP_ADC_ADS1115.h:34:25: warning: private field
'_last_update_timestamp' is not used [-Wunused-private-field]
uint32_t _last_update_timestamp;
^
1 warning generated.
In file included from ../../libraries/AP_GPS/AP_GPS_SBF.cpp:22:
../../libraries/AP_GPS/AP_GPS_SBF.h:75:14: warning: private field
'last_injected_data_ms' is not used [-Wunused-private-field]
uint32_t last_injected_data_ms = 0;
^
../../libraries/AP_GPS/AP_GPS_SBF.h:210:7: warning: private field
'RxError_bits' is not used [-Wunused-private-field]
} RxError_bits;
../../libraries/AP_InertialSensor/AP_InertialSensor_Invensense.h:108:14:
warning: private field '_error_count' is not used
[-Wunused-private-field]
uint16_t _error_count;
In file included from ../../libraries/AP_Mount/SoloGimbal.cpp:5:
../../libraries/AP_Mount/SoloGimbal.h:122:11: warning: private field
'_yaw_rate_ff_ef_filt' is not used [-Wunused-private-field]
float _yaw_rate_ff_ef_filt;
^
../../libraries/AP_Mount/SoloGimbal.h:140:23: warning: private field
'_chan' is not used [-Wunused-private-field]
mavlink_channel_t _chan;
^
2 warnings generated.
In file included from ../../libraries/AP_Compass/AP_Compass.h:14:
../../libraries/AP_Compass/Compass_PerMotor.h:57:13: warning: private
field 'channel' is not used [-Wunused-private-field]
uint8_t channel;
AP_Compass: fix compiler warning
../../libraries/AP_Compass/AP_Compass_MAG3110.h:52:11: warning: private
field 'compass_len' is not used [-Wunused-private-field]
float compass_len;
^