[Improve][Modularization][Module_OcppBackend]

2020.11.12 / Folus Wen

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1. EVSE/Modularization/ocppfiles/Module_OcppBackend.c force disconnect condition add OCPP server conneted status.

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1. As follow commit history

Image version: D0.00.XX.XXXX.XX
Image checksum: XXXXXXXX

Hardware PWB P/N : XXXXXXX
Hardware Version : XXXXXXX

EVSE/Modularization/ocppfiles/Module_OcppBackend.c

@@ -1481,7 +1481,7 @@ int main(void)
 					DEBUG_WARN("Heartbeat re-send over 30 count.\n");
 				}
 
-				if((changeChageWebSocketPingInterval == TRUE) || (GetInternetConn() == 0))
+				if((changeChageWebSocketPingInterval == TRUE) || ((GetInternetConn() == 0) && (GetOcppConnStatus() == 0)))
 				{
 					DEBUG_INFO("GetInternetConn() = %d\n", GetInternetConn());