mirror of https://github.com/ArduPilot/ardupilot
AP_Compass: fix externalAHRS detection
'A = B >= C' kind. The expression is calculated as following: 'A = (B >= C)'
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@ -1208,7 +1208,8 @@ void Compass::_probe_external_i2c_compasses(void)
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void Compass::_detect_backends(void)
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void Compass::_detect_backends(void)
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{
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{
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#if HAL_EXTERNAL_AHRS_ENABLED
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#if HAL_EXTERNAL_AHRS_ENABLED
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if (int8_t serial_port = AP::externalAHRS().get_port() >= 0) {
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const int8_t serial_port = AP::externalAHRS().get_port();
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if (serial_port >= 0) {
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ADD_BACKEND(DRIVER_SERIAL, new AP_Compass_ExternalAHRS(serial_port));
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ADD_BACKEND(DRIVER_SERIAL, new AP_Compass_ExternalAHRS(serial_port));
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}
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}
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#endif
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#endif
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