Check last value before send the event, if no change no event.

[apps/low-level-can-service.git] / CAN-binder / low-can-binding / can / can-bus.cpp

diff --git a/CAN-binder/low-can-binding/can/can-bus.cpp b/CAN-binder/low-can-binding/can/can-bus.cpp
index 6f9e78d..0de8aeb 100644 (file)
--- a/CAN-binder/low-can-binding/can/can-bus.cpp
+++ b/CAN-binder/low-can-binding/can/can-bus.cpp
@@ -126,13 +126,17 @@ int can_bus_t::process_can_signals(can_message_t& can_message)
                //DEBUG(binder_interface, "Nb elt matched string: %d", (int)s.count(std::string(sig.generic_name));
                if( s.find(sig->get_name()) != s.end() && afb_event_is_valid(s[sig->get_name()]))
                {
-                       decoded_message = decoder_t::translateSignal(*sig, can_message, conf.get_can_signals());
+                       bool send = true;
+                       decoded_message = decoder_t::translateSignal(*sig, can_message, conf.get_can_signals(), &send);
 
-                       openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
-                       vehicle_message = build_VehicleMessage(s_message);
+                       if(send)
+                       {
+                               openxc_SimpleMessage s_message = build_SimpleMessage(sig->get_name(), decoded_message);
+                               vehicle_message = build_VehicleMessage(s_message);
 
-                       std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
-                       push_new_vehicle_message(vehicle_message);
+                               std::lock_guard<std::mutex> decoded_can_message_lock(decoded_can_message_mutex_);
+                               push_new_vehicle_message(vehicle_message);
+                       }
                        processed_signals++;
                }
        }