not lib ecto

2026-03-27 14:42:18 +03:00 · 2025-02-21 17:50:41 +03:00
parent 33d19bea97
commit 4ef929bb23
9 changed files with 607 additions and 813 deletions
--- a/src/modules/exec/EctoControlAdapter/ModbusEC.h
+++ b/src/modules/exec/EctoControlAdapter/ModbusEC.h
@@ -0,0 +1,97 @@
+
+#ifndef ModbusEC_h
+#define ModbusEC_h
+
+#define __MODBUSMASTER_DEBUG__ (0)
+#define __MODBUSMASTER_DEBUG_PIN_A__ 4
+#define __MODBUSMASTER_DEBUG_PIN_B__ 5
+
+#include "Arduino.h"
+#include "util/crc16.h"
+#include "util/word.h"
+
+/* _____CLASS DEFINITIONS____________________________________________________ */
+/**
+Arduino class library for communicating with Modbus slaves over
+RS232/485 (via RTU protocol).
+*/
+class ModbusMaster
+{
+public:
+  ModbusMaster();
+
+  void begin(uint8_t, Stream *serial);
+  void idle(void (*)());
+  void preTransmission(void (*)());
+  void postTransmission(void (*)());
+
+  static const uint8_t ku8MBIllegalFunction = 0x01;
+  static const uint8_t ku8MBIllegalDataAddress = 0x02;
+  static const uint8_t ku8MBIllegalDataValue = 0x03;
+  static const uint8_t ku8MBSlaveDeviceFailure = 0x04;
+  static const uint8_t ku8MBSuccess = 0x00;
+  static const uint8_t ku8MBInvalidSlaveID = 0xE0;
+  static const uint8_t ku8MBInvalidFunction = 0xE1;
+  static const uint8_t ku8MBResponseTimedOut = 0xE2;
+  static const uint8_t ku8MBInvalidCRC = 0xE3;
+
+  uint16_t getResponseBuffer(uint8_t);
+  void clearResponseBuffer();
+  uint8_t setTransmitBuffer(uint8_t, uint16_t);
+  void clearTransmitBuffer();
+
+  void beginTransmission(uint16_t);
+  uint8_t requestFrom(uint16_t, uint16_t);
+  void sendBit(bool);
+  void send(uint8_t);
+  void send(uint16_t);
+  void send(uint32_t);
+  uint8_t available(void);
+  uint16_t receive(void);
+
+  uint8_t readHoldingRegisters(uint16_t, uint16_t);
+  uint8_t writeMultipleRegisters(uint16_t, uint16_t);
+  uint8_t writeMultipleRegisters();
+
+  uint8_t readAddresEctoControl();
+  uint8_t writeAddresEctoControl(uint8_t);
+
+private:
+  Stream *_serial;                               ///< reference to serial port object
+  uint8_t _u8MBSlave;                            ///< Modbus slave (1..255) initialized in begin()
+  static const uint8_t ku8MaxBufferSize = 20;    ///< size of response/transmit buffers
+  uint16_t _u16ReadAddress;                      ///< slave register from which to read
+  uint16_t _u16ReadQty;                          ///< quantity of words to read
+  uint16_t _u16ResponseBuffer[ku8MaxBufferSize]; ///< buffer to store Modbus slave response; read via GetResponseBuffer()
+  uint16_t _u16WriteAddress;                     ///< slave register to which to write
+  uint16_t _u16WriteQty;                         ///< quantity of words to write
+  uint16_t _u16TransmitBuffer[ku8MaxBufferSize]; ///< buffer containing data to transmit to Modbus slave; set via SetTransmitBuffer()
+  uint16_t *txBuffer;                            // from Wire.h -- need to clean this up Rx
+  uint8_t _u8TransmitBufferIndex;
+  uint16_t u16TransmitBufferLength;
+  uint16_t *rxBuffer; // from Wire.h -- need to clean this up Rx
+  uint8_t _u8ResponseBufferIndex;
+  uint8_t _u8ResponseBufferLength;
+
+  // Modbus function codes for 16 bit access
+  static const uint8_t ku8MBReadHoldingRegisters = 0x03;   ///< Modbus function 0x03 Read Holding Registers
+  static const uint8_t ku8MBWriteMultipleRegisters = 0x10; ///< Modbus function 0x10 Write Multiple Registers
+
+  static const uint8_t ku8MBProgRead46 = 0x46;  ///< EctoControl function 0x46 Устройство возвращает в ответе свой текущий адрес ADDR
+  static const uint8_t ku8MBProgWrite47 = 0x47; ///< EctoControl function 0x47 высылается ведущим устройством ведомому с указанием сменить свой имеющийся адрес на заданный
+                                                // высылается ведущим устройством единственному устройству на шине с неизвестным адресом
+
+  // Modbus timeout [milliseconds]
+  static const uint16_t ku16MBResponseTimeout = 2000; ///< Modbus timeout [milliseconds]
+
+  // master function that conducts Modbus transactions
+  uint8_t ModbusMasterTransaction(uint8_t u8MBFunction);
+
+  // idle callback function; gets called during idle time between TX and RX
+  void (*_idle)();
+  // preTransmission callback function; gets called before writing a Modbus message
+  void (*_preTransmission)();
+  // postTransmission callback function; gets called after a Modbus message has been sent
+  void (*_postTransmission)();
+};
+#endif