Device: Refactor online keep alive

communication/encoder.cpp

@@ -284,6 +284,7 @@ bool Encoder::encode(const Packetizer& packetizer, std::vector<uint8_t>& result,
 			case Command::RequestSerialNumber:
 			case Command::EnableNetworkCommunication:
 			case Command::EnableNetworkCommunicationEx:
+			case Command::KeepAlive:
 			case Command::GetMainVersion:
 			case Command::GetSecondaryVersions:
 			case Command::NeoReadMemory:

device/device.cpp

@@ -585,7 +585,10 @@ bool Device::goOnline() {
 	}
 
 	// (re)start the keeponline
-	keeponline = std::make_unique<Periodic>([this] { return enableNetworkCommunication(true, onlineTimeoutMs); }, std::chrono::milliseconds(onlineTimeoutMs / 4));
+	keeponline = std::make_unique<Periodic>([this] {
+		static std::vector<uint8_t> timeoutBytes = std::vector<uint8_t>((uint8_t*)&onlineTimeoutMs, (uint8_t*)&onlineTimeoutMs + sizeof(onlineTimeoutMs));
+		return com->sendCommand(Command::KeepAlive, timeoutBytes);
+	}, std::chrono::milliseconds(onlineTimeoutMs / 4));
 
 	online = true;
 

include/icsneo/communication/command.h

@@ -8,6 +8,7 @@ namespace icsneo {
 enum class Command : uint8_t {
 	EnableNetworkCommunication = 0x07,
 	EnableNetworkCommunicationEx = 0x08,
+	KeepAlive = 0x09,
 	NeoReadMemory = 0x40,
 	NeoWriteMemory = 0x41,
 	ClearCoreMini = 0x42,