AP_Compass_Backend *AP_Compass_UAVCAN::probe(Compass &compass) { AP_Compass_UAVCAN *sensor = nullptr; if (AP_BoardConfig_CAN::get_can_num_ifaces() != 0) { for (uint8_t i = 0; i < MAX_NUMBER_OF_CAN_DRIVERS; i++) { if (hal.can_mgr[i] != nullptr) { AP_UAVCAN *uavcan = hal.can_mgr[i]->get_UAVCAN(); if (uavcan != nullptr) { uint8_t freemag = uavcan->find_smallest_free_mag_node(); if (freemag != UINT8_MAX) { sensor = new AP_Compass_UAVCAN(compass); if (sensor->register_uavcan_compass(i, freemag)) { debug_mag_uavcan(2, "AP_Compass_UAVCAN probed, drv: %d, node: %d\n\r", i, freemag); return sensor; } else { delete sensor; sensor = nullptr; } } } } } } return sensor; }
AP_Compass_Backend *AP_Compass_UAVCAN::probe(Compass &compass) { if (AP_BoardConfig_CAN::get_can_num_ifaces() == 0) { return nullptr; } AP_Compass_UAVCAN *sensor; for (uint8_t i = 0; i < MAX_NUMBER_OF_CAN_DRIVERS; i++) { AP_UAVCAN *ap_uavcan = AP_UAVCAN::get_uavcan(i); if (ap_uavcan == nullptr) { continue; } uint8_t freemag = ap_uavcan->find_smallest_free_mag_node(); if (freemag == UINT8_MAX) { continue; } sensor = new AP_Compass_UAVCAN(compass); if (sensor->register_uavcan_compass(i, freemag)) { debug_mag_uavcan(2, "AP_Compass_UAVCAN probed, drv: %d, node: %d\n\r", i, freemag); return sensor; } else { delete sensor; } } return nullptr; }