First stable compilation with ModbusRTU and ModbusTCP

lib/modbus-esp8266/ModbusSettings.h

@@ -0,0 +1,148 @@
+
+/*
+    Modbus Library for Arduino
+    
+    Copyright (C) 2019-2022 Alexander Emelianov (a.m.emelianov@gmail.com)
+	https://github.com/emelianov/modbus-esp8266
+	This code is licensed under the BSD New License. See LICENSE.txt for more info.
+    
+Prefixes:
+MODBUS_     Global library settings
+MODBUSIP_   Settings for TCP and TLS both
+MODBUSTCP_  Settings for TCP
+MODBUSTLS_  Settings for TLS
+MODBUSRTU_  Settings for RTU
+MODBUSAPI_  Settings for API
+*/
+#pragma once
+
+/*
+#define MODBUS_GLOBAL_REGS
+If defined Modbus registers will be shared across all Modbus* instances.
+If not defined each Modbus object will have own registers set.
+*/
+#define MODBUS_GLOBAL_REGS
+//#define MODBUS_FREE_REGS
+
+/*
+#define ARDUINO_SAM_DUE_STL
+Use STL with Arduino Due. Was able to use with Arduino IDE but not with PlatformIO
+Also note STL issue workaround code in Modbus.cpp
+*/
+#if defined(ARDUINO_SAM_DUE)
+//#define ARDUINO_SAM_DUE_STL
+#endif
+
+/*
+#define MODBUS_USE_STL
+If defined C STL will be used.
+*/
+#if defined(ESP8266) || defined(ESP32) || defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_SAM_DUE_STL)
+#define MODBUS_USE_STL
+#endif
+
+/*
+#define MODBUS_MAX_REGS     32
+If defined regisers count will be limited.
+*/
+// Add limitation for specific STL implementation
+#if defined(MODBUS_USE_STL) && (defined(ESP8266) || defined(ESP32))
+#undef MODBUS_MAX_REGS
+#define MODBUS_MAX_REGS     4000
+#endif
+
+#define MODBUS_ADD_REG
+//#define MODBUS_STRICT_REG
+#define MODBUS_MAX_FRAME   256
+//#define MODBUS_STATIC_FRAME
+#define MODBUS_MAX_WORDS 0x007D
+#define MODBUS_MAX_BITS 0x07D0
+#define MODBUS_FILES
+#define MODBUS_MAX_FILES 0x270F
+#define MODBUSTCP_PORT 	  502
+#define MODBUSTLS_PORT 	  802
+#define MODBUSIP_MINFRAME 2
+#define MODBUSIP_MAXFRAME 200
+
+/*
+ModbusTCP and ModbusTLS timeouts
+#define MODBUSIP_TIMEOUT 1000
+Outgoing request timeout
+#define MODBUSIP_CONNECT_TIMEOUT 1000
+ESP32 only. Outgoing connection attempt timeout
+*/
+#define MODBUSIP_TIMEOUT 1000
+//#define MODBUSIP_CONNECT_TIMEOUT 1000
+
+#define MODBUSIP_UNIT	  255
+#define MODBUSIP_MAX_TRANSACTIONS 16
+#if defined(ESP32)
+#define MODBUSIP_MAX_CLIENTS    8
+#else
+#define MODBUSIP_MAX_CLIENTS    4
+#endif
+#define MODBUSIP_UNIQUE_CLIENTS
+#define MODBUSIP_MAX_READMS 100
+
+/*
+Use available() instead of accept() to get TCP client
+#define MODBUSIP_USE_AVAILABLE
+Used to wrap variation in Ethernet/WiFi client API implementations
+*/
+//#define MODBUSIP_USE_AVAILABLE
+
+#define MODBUSIP_FULL
+//#define MODBUSIP_DEBUG
+/*
+Allows to use DNS names as target
+Otherwise IP addresses only must be used
+#define MODBUS_IP_USE_DNS
+*/
+//#define MODBUS_IP_USE_DNS
+
+//#define MODBUSRTU_DEBUG
+#define MODBUSRTU_BROADCAST 0
+#define MB_RESERVE 248
+#define MB_SERIAL_BUFFER 128
+#ifndef MODBUSRTU_TIMEOUT
+#define MODBUSRTU_TIMEOUT 1000
+#endif
+#define MODBUSRTU_MAX_READMS 100
+/*
+#define MODBUSRTU_REDE
+Enable using separate pins for RE DE
+*/
+//#define MODBUSRTU_REDE
+
+// Define for internal use. Do not change.
+#define MODBUSRTU_TIMEOUT_US 1000UL * MODBUSRTU_TIMEOUT
+#define MODBUSRTU_MAX_READ_US 1000UL * MODBUSRTU_MAX_READMS
+
+/*
+#defone MODBUSRTU_FLUSH_DELAY 1
+Set extraa delay after serial buffer flush before changing RE/DE pin state.
+Specified in chars. That is 1 is means to add delay enough to send 1 char at current port baudrate
+*/
+//#define MODBUSRTU_FLUSH_DELAY 1
+
+#define MODBUSRTU_REDE_SWITCH_US 1000
+
+#define MODBUSAPI_LEGACY
+#define MODBUSAPI_OPTIONAL
+
+// Workaround for RP2040 flush() bug
+#if defined(ARDUINO_ARCH_RP2040)
+#define MODBUSRTU_FLUSH_DELAY 1
+#endif
+
+// Limit resources usage for entry level boards
+#if defined(ARDUINO_UNO) || defined(ARDUINO_LEONARDO)
+#undef MODBUS_MAX_REGS
+#undef MODBUSIP_MAX_TRANSACTIONS
+#undef MODBUS_MAX_WORDS
+#undef MODBUS_MAX_BITS
+#define MODBUS_MAX_REGS     32
+#define MODBUSIP_MAX_TRANSACTIONS 4
+#define MODBUS_MAX_WORDS 0x0020
+#define MODBUS_MAX_BITS 0x0200
+#endif