add lib/eModbus-eModbus

Software/ModbusClientRTU.h

@@ -1,108 +0,0 @@
-// =================================================================================================
-// eModbus: Copyright 2020 by Michael Harwerth, Bert Melis and the contributors to eModbus
-//               MIT license - see license.md for details
-// =================================================================================================
-#ifndef _MODBUS_CLIENT_RTU_H
-#define _MODBUS_CLIENT_RTU_H
-
-#include "options.h"
-
-#if HAS_FREERTOS
-
-#include "ModbusClient.h"
-#include "Stream.h"
-#include "RTUutils.h"
-#include <queue>
-#include <vector>
-
-using std::queue;
-
-#define DEFAULTTIMEOUT 2000
-
-class ModbusClientRTU : public ModbusClient {
-public:
-  // Constructor takes Serial reference and optional DE/RE pin and queue limit
-  explicit ModbusClientRTU(int8_t rtsPin = -1, uint16_t queueLimit = 100);
-
-  // Alternative Constructor takes Serial reference and RTS line toggle callback
-  explicit ModbusClientRTU(RTScallback rts, uint16_t queueLimit = 100);
-
-  // Destructor: clean up queue, task etc.
-  ~ModbusClientRTU();
-
-  // begin: start worker task
-  void begin(Stream& serial, uint32_t baudrate, int coreID = -1);
-  // Special variant for HardwareSerial
-  void begin(HardwareSerial& serial, int coreID = -1);
-
-  // end: stop the worker
-  void end();
-
-  // Set default timeout value for interface
-  void setTimeout(uint32_t TOV);
-
-  // Toggle protocol to ModbusASCII
-  void useModbusASCII(unsigned long timeout = 1000);
-
-  // Toggle protocol to ModbusRTU
-  void useModbusRTU();
-
-  // Inquire protocol mode
-  bool isModbusASCII();
-
-  // Toggle skipping of leading 0x00 byte
-  void skipLeading0x00(bool onOff = true);
-
-  // Return number of unprocessed requests in queue
-  uint32_t pendingRequests();
-
-  // addBroadcastMessage: create a fire-and-forget message to all servers on the RTU bus
-  Error addBroadcastMessage(const uint8_t *data, uint8_t len);
-
-protected:
-  struct RequestEntry {
-    uint32_t token;
-    ModbusMessage msg;
-    bool isSyncRequest;
-    RequestEntry(uint32_t t, ModbusMessage m, bool syncReq = false) :
-      token(t),
-      msg(m),
-      isSyncRequest(syncReq) {}
-  };
-
-  // Base addRequest and syncRequest must be present
-  Error addRequestM(ModbusMessage msg, uint32_t token);
-  ModbusMessage syncRequestM(ModbusMessage msg, uint32_t token);
-
-  // addToQueue: send freshly created request to queue
-  bool addToQueue(uint32_t token, ModbusMessage msg, bool syncReq = false);
-
-  // handleConnection: worker task method
-  static void handleConnection(ModbusClientRTU *instance);
-
-  // receive: get response via Serial
-  ModbusMessage receive(const ModbusMessage request);
-
-  // start background task
-  void doBegin(uint32_t baudRate, int coreID);
-
-  void isInstance() { return; }   // make class instantiable
-  queue<RequestEntry> requests;   // Queue to hold requests to be processed
-  #if USE_MUTEX
-  mutex qLock;                    // Mutex to protect queue
-  #endif
-  Stream *MR_serial;              // Ptr to the serial interface used
-  unsigned long MR_lastMicros;    // Microseconds since last bus activity
-  uint32_t MR_interval;           // Modbus RTU bus quiet time
-  int8_t MR_rtsPin;               // GPIO pin to toggle RS485 DE/RE line. -1 if none.
-  RTScallback MTRSrts;            // RTS line callback function
-  uint16_t MR_qLimit;             // Maximum number of requests to hold in the queue
-  uint32_t MR_timeoutValue;       // Interface default timeout
-  bool MR_useASCII;               // true=ModbusASCII, false=ModbusRTU
-  bool MR_skipLeadingZeroByte;    // true=skip the first byte if it is 0x00, false=accept all bytes
-
-};
-
-#endif  // HAS_FREERTOS
-
-#endif  // INCLUDE GUARD