Add LoRaLink sensor network

Signed-off-by: tomoaki <tomoaki@tomy-tech.com>
2025-12-16 08:56:51 +01:00 · 2020-10-12 17:58:32 +09:00
parent 21f2f84219
commit 45ea265344
3 changed files with 748 additions and 2 deletions
--- a/MQTTSNGateway/src/linux/loralink/SensorNetwork.h
+++ b/MQTTSNGateway/src/linux/loralink/SensorNetwork.h
@@ -0,0 +1,187 @@
+/**************************************************************************************
+ * Copyright (c) 2016, Tomoaki Yamaguchi
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * and Eclipse Distribution License v1.0 which accompany this distribution.
+ *
+ * The Eclipse Public License is available at
+ *    http://www.eclipse.org/legal/epl-v10.html
+ * and the Eclipse Distribution License is available at
+ *   http://www.eclipse.org/org/documents/edl-v10.php.
+ *
+ * Contributors:
+ *    Tomoaki Yamaguchi - initial API and implementation 
+ **************************************************************************************/
+#ifndef SENSORNETWORKX_H_
+#define SENSORNETWORKX_H_
+
+#include "MQTTSNGWDefines.h"
+#include "MQTTSNGWProcess.h"
+#include <string>
+#include <termios.h>
+
+using namespace std;
+
+namespace MQTTSNGW
+{
+//#define DEBUG_NWSTACK
+
+#ifdef  DEBUG_NWSTACK
+  #define D_NWSTACK(...) printf(__VA_ARGS__); fflush(stdout)
+#else
+  #define D_NWSTACK(...)
+#endif
+
+
+#define XMIT_STATUS_TIME_OVER    5000
+
+#define START_BYTE               0x7e
+#define ESCAPE                   0x7d
+#define XON                      0x11
+#define XOFF                     0x13
+#define PAD                      0x20
+
+#define BROADCAST_DEVADDR        0xFF
+
+#define LORA_PHY_MAXPAYLOAD      256
+
+/*!
+ * LoRaLink Modem Type
+ */
+typedef enum
+{
+	LORALINK_MODEM_TX,
+	LORALINK_MODEM_RX,
+}LoRaLinkModemType_t;
+
+/*!
+ * LoRaLink Serialized API
+ */
+typedef struct
+{
+	uint16_t  PanId;
+	uint8_t   DestinationAddr;
+	uint8_t   SourceAddr;
+	uint16_t  Rssi;
+	uint16_t  Snr;
+	uint8_t   PayloadType;
+	uint8_t   Payload[LORA_PHY_MAXPAYLOAD];
+	uint16_t  PayloadLen;
+}LoRaLinkFrame_t;
+
+typedef struct
+{
+	bool Available;
+	bool Error;
+	bool Escape;
+	uint16_t apipos;
+	uint8_t checksum;
+} LoRaLinkReadParameters_t;
+
+typedef enum
+{
+	MQTT_SN        = 0x40,
+	API_RSP_ACK    = 0x80,
+	API_RSP_NFC,
+	API_RSP_TOT,
+	API_REQ_UTC,
+	API_RSP_UTC,
+	API_CHG_TASK_PARAM,
+	API_REQ_RESET,
+
+}LoRaLinkPayloadType_t;
+
+/*===========================================
+  Class  SerialPort
+ ============================================*/
+class SerialPort
+{
+	friend class LoRaLink;
+public:
+	SerialPort();
+	~SerialPort();
+	int open(char* devName, unsigned int baudrate,  bool parity, unsigned int stopbit, unsigned int flg);
+	bool send(unsigned char b);
+	void flush();
+
+private:
+	int _fd;  // file descriptor
+	struct termios _tio;
+};
+
+/*===========================================
+ Class  SensorNetAddreess
+ ============================================*/
+class SensorNetAddress
+{
+	friend class LoRaLink;
+public:
+	SensorNetAddress();
+	~SensorNetAddress();
+	void setAddress( uint8_t devAddr);
+	int  setAddress(string* data);
+	void setBroadcastAddress(void);
+	bool isMatch(SensorNetAddress* addr);
+	SensorNetAddress& operator =(SensorNetAddress& addr);
+	char* sprint(char*);
+private:
+	uint8_t _devAddr;
+//	uint8_t _destAddr;
+};
+
+/*========================================
+ Class LoRaLink
+ =======================================*/
+class LoRaLink
+{
+public:
+	LoRaLink();
+	~LoRaLink();
+
+	int open(LoRaLinkModemType_t type, char* device, int boudrate );
+	void close(void);
+	int unicast(const uint8_t* buf, uint16_t length, SensorNetAddress* sendToAddr);
+	int broadcast(const uint8_t* buf, uint16_t length);
+	int recv(uint8_t* buf, uint16_t len, SensorNetAddress* addr);
+	void setApiMode(uint8_t mode);
+
+private:
+	bool readApiFrame(LoRaLinkFrame_t* api, LoRaLinkReadParameters_t* para);
+	int recv(uint8_t* buf);
+	int send(LoRaLinkPayloadType_t type, const uint8_t* payload, uint16_t pLen, SensorNetAddress* addr);
+	void send(uint8_t b);
+
+	Semaphore _sem;
+	Mutex _meutex;
+	uint8_t _respCd;
+	SerialPort* _serialPortRx;
+	SerialPort* _serialPortTx;
+	LoRaLinkFrame_t _loRaLinkApi;
+	LoRaLinkReadParameters_t _loRaLinkPara;
+};
+
+/*===========================================
+ Class  SensorNetwork
+ ============================================*/
+class SensorNetwork: public LoRaLink
+{
+public:
+	SensorNetwork();
+	~SensorNetwork();
+
+	int unicast(const uint8_t* payload, uint16_t payloadLength, SensorNetAddress* sendto);
+	int broadcast(const uint8_t* payload, uint16_t payloadLength);
+	int read(uint8_t* buf, uint16_t bufLen);
+	int initialize(void);
+	const char* getDescription(void);
+	SensorNetAddress* getSenderAddress(void);
+
+private:
+	SensorNetAddress _clientAddr;   // Sender's address. not gateway's one.
+	string _description;
+};
+
+}
+
+#endif /* SENSORNETWORKX_H_ */