working tx inhibit

internal/api/device_manager.go

@@ -126,6 +126,26 @@ func (dm *DeviceManager) Initialize() error {
 		dm.flexRadio.SetFrequencyChangeCallback(func(freqMHz float64) {
 			dm.handleFrequencyChange(freqMHz)
 		})
+
+		// Set callback to check if transmit is allowed (based on Ultrabeam motors)
+		dm.flexRadio.SetTransmitCheckCallback(func() bool {
+			// Get current Ultrabeam status
+			ubStatus, err := dm.ultrabeam.GetStatus()
+			if err != nil || ubStatus == nil {
+				// If we cannot get status, allow transmit (fail-safe)
+				return true
+			}
+
+			// Block transmit if motors are moving
+			motorsMoving := ubStatus.MotorsMoving != 0
+			if motorsMoving {
+				log.Printf("FlexRadio PTT check: Motors moving (bitmask=%d) - BLOCKING", ubStatus.MotorsMoving)
+			} else {
+				log.Printf("FlexRadio PTT check: Motors stopped - ALLOWING")
+			}
+
+			return !motorsMoving
+		})
 	}
 
 	// Initialize Solar data client