weak standby callback

firmware/config/boards/hellen/hellen-honda-k/board_configuration.cpp

@@ -58,6 +58,10 @@ static void setupDefaultSensorInputs() {
 	engineConfiguration->iat.adcChannel = H144_IN_IAT;
 }
 
+void onBoardStandBy() {
+    hellenBoardStandBy();
+}
+
 void setBoardConfigOverrides() {
 	setHellen144LedPins();
 	setHellenMegaEnPin();

firmware/config/boards/hellen/hellen_common.cpp

@@ -40,6 +40,11 @@ void setHellenMegaEnPin() {
 	}
 }
 
+void hellenBoardStandBy() {
+    //efiPrintf("Hellen StandBy");
+    //todo: see if we need to turn 'megaEn' and pause for a bit to make sure that WBO is off and does not wake main firmware right away
+}
+
 /**
  * dirty hack
  */

firmware/config/boards/hellen_meta.h

@@ -26,6 +26,7 @@ void hellenWbo();
 void setHellen144LedPins();
 void setHellen176LedPins();
 void setHellenMegaEnPin();
+void hellenBoardStandBy();
 void configureHellenMegaAccCS2Pin();
 void configureHellenCanTerminator();