AP_Compass: fix externalAHRS detection

'A = B >= C' kind. The expression is calculated as following: 'A = (B >= C)'
This commit is contained in:
Pierre Kancir 2021-08-11 00:29:32 +02:00 committed by Randy Mackay
parent 17cdb07bd5
commit 4481bc6147
1 changed files with 2 additions and 1 deletions

View File

@ -1208,7 +1208,8 @@ void Compass::_probe_external_i2c_compasses(void)
void Compass::_detect_backends(void)
{
#if HAL_EXTERNAL_AHRS_ENABLED
if (int8_t serial_port = AP::externalAHRS().get_port() >= 0) {
const int8_t serial_port = AP::externalAHRS().get_port();
if (serial_port >= 0) {
ADD_BACKEND(DRIVER_SERIAL, new AP_Compass_ExternalAHRS(serial_port));
}
#endif