6c06e71fd0
a 9600 baud serial interface does not need a hardware UART. these changes switch the SDM power meter implementation to use a software serial instance instead. this is desirable as hardware UARTs are scarce and users need them for JK BMS and VE.Direct interfaces.
94 lines
2.8 KiB
C
94 lines
2.8 KiB
C
/* Library for reading SDM 72/120/220/230/630 Modbus Energy meters.
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* Reading via Hardware or Software Serial library & rs232<->rs485 converter
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* 2016-2023 Reaper7 (tested on wemos d1 mini->ESP8266 with Arduino 1.8.10 & 2.5.2 esp8266 core)
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* crc calculation by Jaime García (https://github.com/peninquen/Modbus-Energy-Monitor-Arduino/)
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*/
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/*
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* USER CONFIG:
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*/
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//------------------------------------------------------------------------------
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/*
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* define or undefine USE_HARDWARESERIAL (uncomment only one or none)
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*/
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//#undef USE_HARDWARESERIAL
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//#define USE_HARDWARESERIAL
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//------------------------------------------------------------------------------
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/*
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* define user baudrate
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*/
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#define SDM_UART_BAUD 9600
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//------------------------------------------------------------------------------
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/*
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* define user SDM_RX_PIN and SDM_TX_PIN for esp/avr Software Serial option
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* or ESP32 with Hardware Serial if default core pins are not suitable
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*/
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#if defined ( USE_HARDWARESERIAL )
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#if defined ( ESP32 )
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#define SDM_RX_PIN 13
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#define SDM_TX_PIN 15
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#endif
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#else
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#if defined ( ESP8266 ) || defined ( ESP32 )
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#define SDM_RX_PIN 13
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#define SDM_TX_PIN 15
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#else
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#define SDM_RX_PIN 10
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#define SDM_TX_PIN 11
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#endif
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#endif
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//------------------------------------------------------------------------------
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/*
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* define user DERE_PIN for control MAX485 DE/RE lines (connect DE & /RE together to this pin)
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*/
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//#define DERE_PIN NOT_A_PIN
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//------------------------------------------------------------------------------
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#if defined ( USE_HARDWARESERIAL )
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/*
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* define user SDM_UART_CONFIG for hardware serial
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*/
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//#define SDM_UART_CONFIG SERIAL_8N1
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//----------------------------------------------------------------------------
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/*
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* define user SWAPHWSERIAL, if true(1) then swap uart pins from 3/1 to 13/15 (only ESP8266)
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*/
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//#define SWAPHWSERIAL 0
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#else
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/*
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* define user SDM_UART_CONFIG for software serial
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*/
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//#define SDM_UART_CONFIG SWSERIAL_8N1
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#endif
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//------------------------------------------------------------------------------
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/*
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* define user WAITING_TURNAROUND_DELAY time in ms to wait for process current request
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*/
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//#define WAITING_TURNAROUND_DELAY 200
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//------------------------------------------------------------------------------
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/*
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* define user RESPONSE_TIMEOUT time in ms to wait for return response from all devices before next request
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*/
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//#define RESPONSE_TIMEOUT 500
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//------------------------------------------------------------------------------
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