传输口ToString常量化

Drivers/ShunCom.h

@@ -25,7 +25,7 @@ public:
 
 	void Init(ITransport* port, Pin rst = P0);
 
-	virtual const char* ToString() { return "ShunCom"; }
+	virtual const char* ToString() const { return "ShunCom"; }
 
 	// 进入配置模式
 	bool EnterConfig();

Drivers/W5500.h

@@ -58,7 +58,7 @@ public:
 	// 输出物理链路层状态
 	void PhyStateShow();
 
-	const char* ToString() { return "W5500"; }
+	const char* ToString() const { return "W5500"; }
 
 	byte GetSocket();
 	void Register(byte Index, HardSocket* handler);

Drivers/nrf24l01.h

@@ -45,7 +45,7 @@ public:
 	byte FifoStatus;
 	void ShowStatus();
 
-	virtual const char* ToString() { return "R24"; }
+	virtual const char* ToString() const { return "R24"; }
 
 private:
 	virtual bool OnOpen();

Net/Blu40.h

@@ -38,7 +38,7 @@ public:
 	// 设置产品识别码 硬件类型code
 	bool SetPID(ushort pid);
 
-	virtual const char* ToString() { return "BLE4"; }
+	virtual const char* ToString() const { return "BLE4"; }
 
 protected:
 	virtual bool OnOpen();

Net/ESP8266.h

@@ -15,7 +15,7 @@ private:
 public:
     ESP8266(ITransport* port, Pin rst = P0);
 
-	virtual const char* ToString() { return "ESP8266"; }
+	virtual const char* ToString() const { return "ESP8266"; }
 
 protected:
 	virtual bool OnOpen();

Net/ITransport.h

@@ -43,9 +43,9 @@ public:
 	virtual void Register(TransportHandler handler, void* param = NULL);
 
 #if DEBUG
-	virtual const char* ToString() { return "ITransport"; }
+	virtual const char* ToString() const { return "ITransport"; }
 #else
-	virtual const char* ToString() { return ""; }
+	virtual const char* ToString() const { return ""; }
 #endif
 
 protected:
@@ -75,7 +75,7 @@ public:
 
 	virtual void Set(ITransport* port);
 
-	virtual const char* ToString() { return "PackPort"; }
+	virtual const char* ToString() const { return "PackPort"; }
 
 protected:
 	virtual bool OnOpen();

Net/Zigbee.h

@@ -17,7 +17,7 @@ public:
 	Zigbee(ITransport* port, Pin rst = P0);
 	void Init(ITransport* port, Pin rst = P0);
 
-	virtual const char* ToString() { return "Zigbee"; }
+	virtual const char* ToString() const { return "Zigbee"; }
 
 protected:
 	virtual bool OnOpen();

SerialPort.h

@@ -65,7 +65,7 @@ public:
 	// 电源等级变更（如进入低功耗模式）时调用
 	virtual void ChangePower(int level);
 
-	virtual const char* ToString() { return Name; }
+	virtual const char* ToString() const { return Name; }
 
 	static SerialPort* GetMessagePort();
 protected:

TinyIP/Tcp.cpp

@@ -33,7 +33,7 @@ TcpSocket::TcpSocket(TinyIP* tip) : TinySocket(tip, IP_TCP)
 	OnDisconnected = NULL;
 }
 
-const char* TcpSocket::ToString()
+const char* TcpSocket::ToString() const
 {
 	static char name[10];
 	sprintf(name, "TCP_%d", Local.Port);

TinyIP/Tcp.h

@@ -49,7 +49,7 @@ public:
 	TcpHandler OnReceived;
 	TcpHandler OnDisconnected;
 
-	virtual const char* ToString();
+	virtual const char* ToString() const;
 
 protected:
 	void SendAck(uint len);

TinyIP/Udp.cpp

@@ -15,7 +15,7 @@ UdpSocket::UdpSocket(TinyIP* tip) : TinySocket(tip, IP_UDP)
 	Local.Address = tip->IP;
 }
 
-const char* UdpSocket::ToString()
+const char* UdpSocket::ToString() const
 {
 	static char name[10];
 	sprintf(name, "UDP_%d", Local.Port);

TinyIP/Udp.h

@@ -29,7 +29,7 @@ public:
 	// 接收数据
 	virtual uint Receive(Array& bs);
 
-	virtual const char* ToString();
+	virtual const char* ToString() const;
 
 protected:
 	void SendPacket(UDP_HEADER& udp, uint len, IPAddress& ip, ushort port, bool checksum = true);