AP_LTM_Telem: add AP_LTM_TELEM_ENABLED

libraries/AP_LTM_Telem/AP_LTM_Telem.cpp

@@ -17,6 +17,8 @@
 
 #include "AP_LTM_Telem.h"
 
+#if AP_LTM_TELEM_ENABLED
+
 #include <AP_AHRS/AP_AHRS.h>
 #include <AP_GPS/AP_GPS.h>
 #include <AP_BattMonitor/AP_BattMonitor.h>
@@ -216,3 +218,5 @@ void AP_LTM_Telem::tick(void)
         generate_LTM();
     }
 }
+
+#endif  // AP_LTM_TELEM_ENABLED

libraries/AP_LTM_Telem/AP_LTM_Telem.h

@@ -16,6 +16,12 @@
 
 #include <AP_HAL/AP_HAL.h>
 
+#ifndef AP_LTM_TELEM_ENABLED
+#define AP_LTM_TELEM_ENABLED !HAL_MINIMIZE_FEATURES
+#endif
+
+#if AP_LTM_TELEM_ENABLED
+
 static const uint8_t LTM_GFRAME_SIZE = 18;
 static const uint8_t LTM_AFRAME_SIZE = 10;
 static const uint8_t LTM_SFRAME_SIZE = 11;
@@ -45,3 +51,5 @@ private:
     void send_LTM(uint8_t lt_packet[], uint8_t lt_packet_size);
     void tick(void); // tick - main call to send updates to transmitter (called by scheduler at 1kHz)
 };
+
+#endif