AP_HAL_SITL: load SIM_AIS

libraries/AP_HAL_SITL/SITL_State.cpp

@@ -382,6 +382,12 @@ int SITL_State::sim_fd(const char *name, const char *arg)
         }
         vectornav = new SITL::VectorNav();
         return vectornav->fd();
+    } else if (streq(name, "AIS")) {
+        if (ais != nullptr) {
+            AP_HAL::panic("Only one AIS at a time");
+        }
+        ais = new SITL::AIS();
+        return ais->fd();
     }
 
     AP_HAL::panic("unknown simulated device: %s", name);
@@ -502,6 +508,11 @@ int SITL_State::sim_fd_write(const char *name)
             AP_HAL::panic("No VectorNav created");
         }
         return vectornav->write_fd();
+    } else if (streq(name, "AIS")) {
+        if (ais == nullptr) {
+            AP_HAL::panic("No AIS created");
+        }
+        return ais->write_fd();
     }
     AP_HAL::panic("unknown simulated device: %s", name);
 }
@@ -723,6 +734,10 @@ void SITL_State::_fdm_input_local(void)
         vectornav->update();
     }
 
+    if (ais != nullptr) {
+        ais->update();
+    }
+
     if (_sitl) {
         _sitl->efi_ms.update();
     }

libraries/AP_HAL_SITL/SITL_State.h

@@ -44,6 +44,7 @@
 #include <SITL/SIM_RF_MAVLink.h>
 #include <SITL/SIM_RF_GYUS42v2.h>
 #include <SITL/SIM_VectorNav.h>
+#include <SITL/SIM_AIS.h>
 
 #include <SITL/SIM_Frsky_D.h>
 #include <SITL/SIM_CRSF.h>
@@ -312,6 +313,9 @@ private:
     // Ride along instances via JSON SITL backend
     SITL::JSON_Master ride_along;
 
+    // simulated AIS stream
+    SITL::AIS *ais;
+
     // output socket for flightgear viewing
     SocketAPM fg_socket{true};