144 lines
3.9 KiB
Plaintext
144 lines
3.9 KiB
Plaintext
#
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# For a description of the syntax of this configuration file,
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# see misc/tools/kconfig-language.txt.
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#
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comment "FreeModbus"
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config MODBUS
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bool "Modbus support via FreeModBus"
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default n
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config MB_ASCII_ENABLED
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bool "Modbus ASCII support"
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depends on MODBUS
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default y
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config MB_RTU_ENABLED
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bool "Modbus RTU support"
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depends on MODBUS
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default y
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config MB_TCP_ENABLED
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bool "Modbus TCP support"
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depends on MODBUS
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default y
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config MB_ASCII_TIMEOUT_SEC
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int "Character timeout"
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depends on MB_ASCII_ENABLED
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default 1
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---help---
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Character timeout value for Modbus ASCII
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The character timeout value is not fixed for Modbus ASCII and is therefore
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a configuration option. It should be set to the maximum expected delay
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time of the network.
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config MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS
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int "Timeout to wait before sending"
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depends on MB_ASCII_ENABLED
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default 0
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---help---
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Timeout to wait in ASCII prior to enabling transmitter
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If defined the function calls vMBPortSerialDelay with the argument
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MB_ASCII_TIMEOUT_WAIT_BEFORE_SEND_MS to allow for a delay before
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the serial transmitter is enabled. This is required because some
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targets are so fast that there is no time between receiving and
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transmitting the frame. If the master is to slow with enabling its
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receiver then he will not receive the response correctly.
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config MB_FUNC_HANDLERS_MAX
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int "Maximum number of Modbus functions"
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depends on MODBUS
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default 16
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---help---
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Maximum number of Modbus functions codes the protocol stack should support.
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The maximum number of supported Modbus functions must be greater than
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the sum of all enabled functions in this file and custom function
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handlers. If set to small adding more functions will fail.
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config MB_FUNC_OTHER_REP_SLAVEID_BUF
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int "Size of Slave ID report buffer"
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depends on MB_FUNC_OTHER_REP_SLAVEID_ENABLED
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default 32
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---help---
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Number of bytes which should be allocated for the Report Slave ID command.
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This number limits the maximum size of the additional segment in the
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report slave id function. See eMBSetSlaveID() for more information on
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how to set this value. It is only used if MB_FUNC_OTHER_REP_SLAVEID_ENABLED
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is set to 1.
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config MB_FUNC_OTHER_REP_SLAVEID_ENABLED
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bool "Report Slave ID function"
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depends on MODBUS
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default y
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---help---
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If the Report Slave ID function should be enabled.
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config MB_FUNC_READ_INPUT_ENABLED
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bool "Read Input Registers function"
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depends on MODBUS
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default y
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---help---
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If the Read Input Registers function should be enabled.
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config MB_FUNC_READ_HOLDING_ENABLED
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bool "Read Holding Registers function"
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depends on MODBUS
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default y
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---help---
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If the Read Holding Registers function should be enabled.
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config MB_FUNC_WRITE_HOLDING_ENABLED
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bool "Write Single Register function"
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depends on MODBUS
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default y
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---help---
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If the Write Single Register function should be enabled.
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config MB_FUNC_WRITE_MULTIPLE_HOLDING_ENABLED
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bool "Write Multiple registers function"
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depends on MODBUS
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default y
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---help---
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If the Write Multiple registers function should be enabled.
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config MB_FUNC_READ_COILS_ENABLED
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bool "Read Coils function"
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depends on MODBUS
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default y
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---help---
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If the Read Coils function should be enabled.
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config MB_FUNC_WRITE_COIL_ENABLED
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bool "Write Coils function"
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depends on MODBUS
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default y
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---help---
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If the Write Coils function should be enabled.
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config MB_FUNC_WRITE_MULTIPLE_COILS_ENABLED
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bool "Write Multiple Coils function"
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depends on MODBUS
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default y
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---help---
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If the Write Multiple Coils function should be enabled.
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config MB_FUNC_READ_DISCRETE_INPUTS_ENABLED
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bool "Read Discrete Inputs function"
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depends on MODBUS
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default y
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---help---
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If the Read Discrete Inputs function should be enabled.
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config MB_FUNC_READWRITE_HOLDING_ENABLED
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bool "Read/Write Multiple Registers function"
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depends on MODBUS
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default y
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---help---
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If the Read/Write Multiple Registers function should be enabled.
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