diff --git a/APMrover2/APMrover2.pde b/APMrover2/APMrover2.cpp
similarity index 100%
rename from APMrover2/APMrover2.pde
rename to APMrover2/APMrover2.cpp
diff --git a/APMrover2/GCS_Mavlink.pde b/APMrover2/GCS_Mavlink.cpp
similarity index 100%
rename from APMrover2/GCS_Mavlink.pde
rename to APMrover2/GCS_Mavlink.cpp
diff --git a/APMrover2/Log.pde b/APMrover2/Log.cpp
similarity index 100%
rename from APMrover2/Log.pde
rename to APMrover2/Log.cpp
diff --git a/APMrover2/Parameters.pde b/APMrover2/Parameters.cpp
similarity index 100%
rename from APMrover2/Parameters.pde
rename to APMrover2/Parameters.cpp
diff --git a/APMrover2/Rover.pde b/APMrover2/Rover.cpp
similarity index 100%
rename from APMrover2/Rover.pde
rename to APMrover2/Rover.cpp
diff --git a/APMrover2/Steering.pde b/APMrover2/Steering.cpp
similarity index 100%
rename from APMrover2/Steering.pde
rename to APMrover2/Steering.cpp
diff --git a/APMrover2/commands.pde b/APMrover2/commands.cpp
similarity index 100%
rename from APMrover2/commands.pde
rename to APMrover2/commands.cpp
diff --git a/APMrover2/commands_logic.pde b/APMrover2/commands_logic.cpp
similarity index 100%
rename from APMrover2/commands_logic.pde
rename to APMrover2/commands_logic.cpp
diff --git a/APMrover2/commands_process.pde b/APMrover2/commands_process.cpp
similarity index 100%
rename from APMrover2/commands_process.pde
rename to APMrover2/commands_process.cpp
diff --git a/APMrover2/compat.pde b/APMrover2/compat.cpp
similarity index 100%
rename from APMrover2/compat.pde
rename to APMrover2/compat.cpp
diff --git a/APMrover2/control_modes.pde b/APMrover2/control_modes.cpp
similarity index 100%
rename from APMrover2/control_modes.pde
rename to APMrover2/control_modes.cpp
diff --git a/APMrover2/events.pde b/APMrover2/events.cpp
similarity index 100%
rename from APMrover2/events.pde
rename to APMrover2/events.cpp
diff --git a/APMrover2/failsafe.pde b/APMrover2/failsafe.cpp
similarity index 100%
rename from APMrover2/failsafe.pde
rename to APMrover2/failsafe.cpp
diff --git a/APMrover2/navigation.pde b/APMrover2/navigation.cpp
similarity index 100%
rename from APMrover2/navigation.pde
rename to APMrover2/navigation.cpp
diff --git a/APMrover2/radio.pde b/APMrover2/radio.cpp
similarity index 100%
rename from APMrover2/radio.pde
rename to APMrover2/radio.cpp
diff --git a/APMrover2/sensors.pde b/APMrover2/sensors.cpp
similarity index 100%
rename from APMrover2/sensors.pde
rename to APMrover2/sensors.cpp
diff --git a/APMrover2/setup.pde b/APMrover2/setup.cpp
similarity index 100%
rename from APMrover2/setup.pde
rename to APMrover2/setup.cpp
diff --git a/APMrover2/system.pde b/APMrover2/system.cpp
similarity index 100%
rename from APMrover2/system.pde
rename to APMrover2/system.cpp
diff --git a/APMrover2/test.pde b/APMrover2/test.cpp
similarity index 100%
rename from APMrover2/test.pde
rename to APMrover2/test.cpp