mirror of
https://github.com/eclipse/paho.mqtt-sn.embedded-c.git
synced 2025-12-15 16:36:52 +01:00
188 lines
4.4 KiB
C++
188 lines
4.4 KiB
C++
/**************************************************************************************
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* Copyright (c) 2016, Tomoaki Yamaguchi
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*
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* and Eclipse Distribution License v1.0 which accompany this distribution.
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*
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* The Eclipse Public License is available at
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* http://www.eclipse.org/legal/epl-v10.html
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* and the Eclipse Distribution License is available at
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* http://www.eclipse.org/org/documents/edl-v10.php.
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*
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* Contributors:
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* Tomoaki Yamaguchi - initial API and implementation
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**************************************************************************************/
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#ifndef SENSORNETWORKX_H_
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#define SENSORNETWORKX_H_
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#include "MQTTSNGWDefines.h"
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#include "MQTTSNGWProcess.h"
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#include <string>
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#include <termios.h>
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using namespace std;
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namespace MQTTSNGW
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{
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//#define DEBUG_NWSTACK
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#ifdef DEBUG_NWSTACK
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#define D_NWSTACK(...) printf(__VA_ARGS__); fflush(stdout)
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#else
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#define D_NWSTACK(...)
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#endif
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#define XMIT_STATUS_TIME_OVER 5000
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#define START_BYTE 0x7e
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#define ESCAPE 0x7d
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#define XON 0x11
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#define XOFF 0x13
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#define PAD 0x20
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#define BROADCAST_DEVADDR 0xFF
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#define LORA_PHY_MAXPAYLOAD 256
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/*!
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* LoRaLink Modem Type
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*/
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typedef enum
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{
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LORALINK_MODEM_TX,
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LORALINK_MODEM_RX,
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}LoRaLinkModemType_t;
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/*!
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* LoRaLink Serialized API
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*/
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typedef struct
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{
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uint16_t PanId;
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uint8_t DestinationAddr;
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uint8_t SourceAddr;
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uint16_t Rssi;
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uint16_t Snr;
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uint8_t PayloadType;
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uint8_t Payload[LORA_PHY_MAXPAYLOAD];
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uint16_t PayloadLen;
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}LoRaLinkFrame_t;
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typedef struct
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{
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bool Available;
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bool Error;
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bool Escape;
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uint16_t apipos;
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uint8_t checksum;
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} LoRaLinkReadParameters_t;
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typedef enum
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{
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MQTT_SN = 0x40,
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API_RSP_ACK = 0x80,
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API_RSP_NFC,
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API_RSP_TOT,
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API_REQ_UTC,
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API_RSP_UTC,
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API_CHG_TASK_PARAM,
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API_REQ_RESET,
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}LoRaLinkPayloadType_t;
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/*===========================================
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Class SerialPort
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============================================*/
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class SerialPort
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{
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friend class LoRaLink;
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public:
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SerialPort();
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~SerialPort();
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int open(char* devName, unsigned int baudrate, bool parity, unsigned int stopbit, unsigned int flg);
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bool send(unsigned char b);
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void flush();
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private:
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int _fd; // file descriptor
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struct termios _tio;
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};
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/*===========================================
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Class SensorNetAddreess
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============================================*/
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class SensorNetAddress
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{
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friend class LoRaLink;
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public:
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SensorNetAddress();
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~SensorNetAddress();
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void setAddress( uint8_t devAddr);
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int setAddress(string* data);
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void setBroadcastAddress(void);
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bool isMatch(SensorNetAddress* addr);
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SensorNetAddress& operator =(SensorNetAddress& addr);
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char* sprint(char*);
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private:
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uint8_t _devAddr;
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// uint8_t _destAddr;
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};
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/*========================================
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Class LoRaLink
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=======================================*/
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class LoRaLink
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{
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public:
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LoRaLink();
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~LoRaLink();
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int open(LoRaLinkModemType_t type, char* device, int boudrate );
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void close(void);
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int unicast(const uint8_t* buf, uint16_t length, SensorNetAddress* sendToAddr);
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int broadcast(const uint8_t* buf, uint16_t length);
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int recv(uint8_t* buf, uint16_t len, SensorNetAddress* addr);
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void setApiMode(uint8_t mode);
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private:
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bool readApiFrame(LoRaLinkFrame_t* api, LoRaLinkReadParameters_t* para);
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int recv(uint8_t* buf);
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int send(LoRaLinkPayloadType_t type, const uint8_t* payload, uint16_t pLen, SensorNetAddress* addr);
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void send(uint8_t b);
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Semaphore _sem;
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Mutex _meutex;
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uint8_t _respCd;
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SerialPort* _serialPortRx;
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SerialPort* _serialPortTx;
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LoRaLinkFrame_t _loRaLinkApi;
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LoRaLinkReadParameters_t _loRaLinkPara;
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};
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/*===========================================
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Class SensorNetwork
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============================================*/
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class SensorNetwork: public LoRaLink
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{
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public:
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SensorNetwork();
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~SensorNetwork();
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int unicast(const uint8_t* payload, uint16_t payloadLength, SensorNetAddress* sendto);
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int broadcast(const uint8_t* payload, uint16_t payloadLength);
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int read(uint8_t* buf, uint16_t bufLen);
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int initialize(void);
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const char* getDescription(void);
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SensorNetAddress* getSenderAddress(void);
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private:
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SensorNetAddress _clientAddr; // Sender's address. not gateway's one.
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string _description;
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};
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}
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#endif /* SENSORNETWORKX_H_ */
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