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Many modern RS-485 serial devices such as the ones from FTDI already operate in RS-485 mode by default and will work with tio out of the box. However, there are some RS-232/485 devices which need to be switched from e.g. RS-232 to RS-485 mode to operate accordingly on the physical level. This commit implements the switching mechanism and interface required to enable RS-485 mode. It only works on Linux and with serial devices which use device drivers that support the Linux RS-485 control interface. The RS-485 feature is detailed via the following options: --rs-485 Enable RS-485 mode --rs-485-config <config> Set RS-485 configuration Set the RS-485 configuration using the following key or key value pair format in the configuration field: RTS_ON_SEND=value Set logical level (0 or 1) for RTS pin when sending RTS_AFTER_SEND=value Set logical level (0 or 1) for RTS pin after sending RTS_DELAY_BEFORE_SEND=value Set RTS delay (ms) before sending RTS_DELAY_AFTER_SEND=value Set RTS delay (ms) after sending RX_DURING_TX Receive data even while sending data If defining more than one key or key value pair, they must be comma separated. Example use: $ tio /dev/ttyUSB0 --rs-485 --rs-r485-config=RTS_DELAY_AFTER_SEND=50,RX_DURING_TX
52 lines
1.1 KiB
Text
52 lines
1.1 KiB
Text
###############################
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# tio - https://tio.github.io #
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###############################
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# Example configuration file
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# Defaults
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baudrate = 115200
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databits = 8
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flow = none
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stopbits = 1
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parity = none
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prefix-ctrl-key = t
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output-delay = 0
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output-line-delay = 0
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no-autoconnect = disable
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hexadecimal = disable
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timestamp = disable
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color = bold
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# Sub-configuraions
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[rpi3]
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baudrate = 115200
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tty = /dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A6009HU3-if00-port0
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socket = unix:/tmp/tio-socket-0
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color = 9
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[am64-evm]
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baudrate = 115200
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tty = /dev/serial/by-id/usb-Silicon_Labs_CP2105_Dual_USB_to_UART_Bridge_Controller_01093176-if01-port0
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line-pulse-duration = DTR=200,RTS=300,RI=50
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color = 10
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[tincan]
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baudrate = 9600
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tty = /dev/serial/by-id/usb-TinCanTools_Flyswatter2_FS20000-if00-port0
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log = enable
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log-file = tincan.log
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log-strip = enable
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color = 11
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[usb devices]
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pattern = usb([0-9]*)
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tty = /dev/ttyUSB%s
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color = 12
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[rs-485-device]
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tty = /dev/ttyUSB0
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rs-485 = enable
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rs-485-config = RTS_ON_SEND=1,RTS_AFTER_SEND=1,RTS_DELAY_BEFORE_SEND=60,RTS_DELAY_AFTER_SEND=80,RX_DURING_TX
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color = 13
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