524 lines
21 KiB
Plaintext
524 lines
21 KiB
Plaintext
-------------------------------------------------------------------------------
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README.devices
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-------------------------------------------------------------------------------
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This README contains various notes for users of libsigrok (or frontends
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that are based on libsigrok) about device- and/or driver-specific issues.
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Firmware
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--------
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Some devices supported by libsigrok need a firmware to be uploaded every time
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the device is connected to the PC (usually via USB), before it can be used.
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The default locations where libsigrok expects the firmware files are:
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$SIGROK_FIRMWARE_DIR (environment variable)
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$HOME/.local/share/sigrok-firmware
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$prefix/share/sigrok-firmware
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/usr/local/share/sigrok-firmware
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/usr/share/sigrok-firmware
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($prefix is usually /usr/local or /usr, depending on your ./configure options)
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For further information see the section below and also:
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http://sigrok.org/wiki/Firmware
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Per-driver firmware requirements
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--------------------------------
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The following drivers/devices require a firmware upload upon connection:
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- asix-sigma: The ASIX SIGMA and SIGMA2 require various firmware files,
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depending on the settings used. These files are available from our
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'sigrok-firmware' repository/project under a license which allows us
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to redistribute them.
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- dreamsourcelab-dslogic: The DreamSourceLab DSLogic/DSCope device series
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requires various firmware files and FPGA bitstream files.
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These can be extracted/downloaded from the vendor's GitHub repo using a
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tool from our 'sigrok-util' repository/project.
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- fx2lafw: Logic analyzers based on the Cypress FX2(LP) chip need the
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firmware files from the 'sigrok-firmware-fx2lafw' repository/project.
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The firmware is written from scratch and licensed under the GNU GPLv2+.
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- hantek-6xxx: Certain oscilloscopes based on the Cypress FX2(LP) chip, such
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as the Hantek 6022BE/6022BL, SainSmart DDS120, and Rocktech BM102, need the
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firmware files from the 'sigrok-firmware-fx2lafw' repository/project.
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The firmware is written from scratch and licensed under the GNU GPLv2+.
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- hantek-dso: The Hantek DSO-2090 (and other supported models of the same
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series of Hantek PC oscilloscopes) need firmware files.
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These can be extracted from the vendor's Windows drivers using a tool
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from our 'sigrok-util' repository/project.
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- lecroy-logicstudio: The LeCroy LogicStudio requires FPGA bitstream files.
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These can be extracted from the vendor's Windows software using a tool
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from our 'sigrok-util' repository/project.
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Additionally, it requires a Cypress FX2 firmware. This can be extracted
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from the vendor's Windows software using another tool. Details:
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http://sigrok.org/wiki/LeCroy_LogicStudio#Firmware
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- saleae-logic16: The Saleae Logic16 needs a firmware file for the
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Cypress FX2 chip in the device, as well as two FPGA bitstream files.
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These can be extracted from the vendor's Linux application using a tool
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from our 'sigrok-util' repository/project.
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- saleae-logic-pro: The Saleae Logic Pro 16 needs a firmware file for the
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Cypress FX3 chip in the device, as well as an FPGA bitstream file.
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These can be extracted from the vendor's Linux application using a tool
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from our 'sigrok-util' repository/project.
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- sysclk-lwla:
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- The Sysclk LWLA1034 requires various bitstream files.
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These files are available from our 'sigrok-firmware' repository/project
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under a license which allows us to redistribute them.
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- The Sysclk LWLA1016 requires various bitstream files.
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These can be extracted from the vendor's Windows drivers using a tool
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from our 'sigrok-util' repository/project.
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- sysclk-sla5032: The Sysclk SLA5032 needs an FPGA bitstream file.
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This file can be copied (and renamed) from the Windows vendor software
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installation directory. Details:
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https://sigrok.org/wiki/Sysclk_SLA5032#Firmware
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The following drivers/devices do not need any firmware upload:
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- agilent-dmm
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- appa-55ii
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- arachnid-labs-re-load-pro
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- atten-pps3xxx
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- baylibre-acme
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- beaglelogic
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- brymen-dmm
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- cem-dt-885x
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- center-3xx (including all subdrivers)
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- chronovu-la
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- colead-slm
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- conrad-digi-35-cpu
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- demo
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- fluke-45
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- fluke-dmm
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- ftdi-la
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- gmc-mh-1x-2x (including all subdrivers)
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- gwinstek-gds-800
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- gwinstek-gpd
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- hameg-hmo
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- hantek-4032l
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- hp-3457a
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- hp-3478a
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- hung-chang-dso-2100
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- ikalogic-scanalogic2
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- ikalogic-scanaplus
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- ipdbg-la
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- kecheng-kc-330b
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- kern-scale
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- korad-kaxxxxp
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- lascar-el-usb
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- lecroy-xstream
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- link-mso19
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- manson-hcs-3xxx
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- maynuo-m97
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- mic-985xx (including all subdrivers)
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- microchip-pickit2
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- mooshimeter-dmm
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- motech-lps-30x
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- norma-dmm
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- openbench-logic-sniffer
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- pce-322a
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- pipistrello-ols
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- rdtech-dps
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- rigol-ds
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- rohde-schwarz-sme-0x
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- scpi-dmm
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- scpi-pps
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- serial-dmm (including all subdrivers)
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- serial-lcr (including all subdrivers)
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- siglent-sds
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- teleinfo
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- testo
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- tondaj-sl-814
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- uni-t-dmm (including all subdrivers)
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- uni-t-ut32x
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- yokogawa-dlm
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- zeroplus-logic-cube
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- zketech-ebd-usb
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Specifying serial ports
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-----------------------
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Many devices supported by libsigrok use serial port based cables (real RS232
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or USB-to-serial ones, CDC class) to connect to a PC. These serial cables are
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supported by the libserialport library. Some vendors prefer to use HID chips
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instead of CDC chips in their serial cables. These cables can get supported
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by means of the hidapi library. Note that each chip type requires specific
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support in the libsigrok library. Bluetooth connected devices may be supported
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as well when they communicate by means of RFCOMM channels, or one of the
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implemented BLE notification/indication approaches, and one of the Bluetooth
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supporting platforms is used.
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For all these devices, you need to specify the serial port they are connected
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to (e.g. using the 'conn' option in sigrok-cli). It is not possible to scan
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for such devices without specifying a serial port.
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Example:
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$ sigrok-cli --driver <somedriver>:conn=/dev/ttyUSB0 ...
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$ sigrok-cli --driver <somedriver>:conn=hid/cp2110 ...
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$ sigrok-cli --driver <somedriver>:conn=bt/rfcomm/01-23-45-67-89-ab ...
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Formal syntax for serial communication:
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- COM ports (RS232, USB CDC):
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conn=<com-port>
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- USB HID cables:
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conn=hid[/<chip>]
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conn=hid[/<chip>]/usb=<bus>.<dev>[.<if>]
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conn=hid[/<chip>]/raw=<path>
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conn=hid[/<chip>]/sn=<serno>
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chip can be: bu86x, ch9325, cp2110, victor
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path may contain slashes
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path and serno are "greedy" (span to the end of the spec)
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- Bluetooth Classic and Bluetooth Low Energy (BLE):
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conn=bt/<conn>/<addr>
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conn can be: rfcomm, ble122, nrf51, cc254x
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addr can be "dense" or separated, bt/cc254x/0123456789ab or
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bt/rfcomm/11-22-33-44-55-66 or bt/ble122/88:6b:12:34:56:78
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(note that colons may not be available when the conn= spec is taken
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from a string that separates fields by colon, e.g. in the "--driver
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<name>:conn=<spec>" example, that is why the dense form and the use
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of dashes for separation are supported)
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Some of the drivers implement a default for the connection. Some of the
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drivers can auto-detect USB connected devices.
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Beyond strict serial communication over COM ports (discussed above), the
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conn= property can also address specific USB devices, as well as specify TCP
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or VXI communication parameters. See these examples:
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$ sigrok-cli --driver <somedriver>:conn=<vid>.<pid> ...
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$ sigrok-cli --driver <somedriver>:conn=tcp-raw/<ipaddr>/<port> ...
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$ sigrok-cli --driver <somedriver>:conn=vxi/<ipaddr> ...
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$ sigrok-cli --driver <somedriver>:conn=usbtmc/<bus>.<addr> ...
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Specifying serial port parameters
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---------------------------------
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Every serial device's driver has default serial port parameters like baud
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rate, number of data bits, stop bits and handshake status. If a device requires
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different parameters, pass them as option "serialcomm" with the driver name.
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See libsigrok docs for the function serial_set_paramstr() for complete specs.
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Example:
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$ sigrok-cli --driver <somedriver>:conn=<someconn>:serialcomm=9600/7n1/dtr=1
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Permissions of serial port based devices
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----------------------------------------
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When using devices supported by libsigrok that use serial port based cables
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(real RS232 or USB-to-serial ones) to connect to a PC, you need to ensure
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that the user running the libsigrok frontend has (read/write) permissions to
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access the serial port device (e.g. /dev/ttyS0, /dev/ttyUSB0, and so on).
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You can use 'chmod' to apply permissions as you see fit, and/or 'chown' to
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change the owner of the serial port device to a certain user or group.
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For USB-to-serial based devices, we recommended using our udev rules file
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(see below for details).
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Permissions for USB devices (udev rules files)
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----------------------------------------------
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When using USB-based devices supported by libsigrok, the user running the
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libsigrok frontend (e.g. sigrok-cli) has to have (read/write) permissions
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for the respective USB device.
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On Linux, this is accomplished using udev rules. libsigrok ships a rules
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file containing all supported devices which can be detected reliably
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(generic USB-to-serial converters are omitted, as these are used for a wide
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range of devices, e.g. GPS receivers, which are not handled by libsigrok).
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The file is available in contrib/60-libsigrok.rules. This file just contains
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the list of devices and flags these devices with ID_SIGROK="1". Access is
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granted by the 61-libsigrok-plugdev.rules or 61-libsigrok-uaccess.rules files,
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allowing access to members of the plugdev group or to currently logged in
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users, respectively.
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When using a libsigrok package from your favorite Linux distribution, the
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files should already be installed in /usr/lib/udev/rules.d/, i.e.
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60-libsigrok.rules and one of the access granting rules files. Use of
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61-libsigrok-uaccess.rules is encouraged on systemd distributions.
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The access policy can be locally overridden by placing appropriate rules in
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/etc/udev/rules.d/, disabling or ammending the default policy. See the
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udev documentation, e.g. man 7 udev, for details.
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If you're building from source, you need to copy the file to the place
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where udev will read these rules. Local rules should go to /etc/udev/rules.d.
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Keep the file naming, otherwise interaction between the libsigrok rules and
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rules shipped by the system will be broken.
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Please consult the udev docs for details.
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Cypress FX2 based devices
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-------------------------
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Devices using the Cypress FX2(LP) chip without any specific USB VID/PID will
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be enumerated with VID/PID 04b4:8613 (the default for "unconfigured FX2").
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These are usually "FX2 eval boards" (that can also be used as LAs, though).
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On Linux, the 'usbtest' driver will usually grab such devices, and they will
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thus not be usable by libsigrok (and frontends).
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You can fix this by running 'rmmod usbtest' as root before using the device.
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UNI-T DMM (and rebranded models) cables
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---------------------------------------
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UNI-T multimeters (and rebranded devices, e.g. some Voltcraft models) can
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ship with different PC connectivity cables:
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- UT-D02 (RS232 cable)
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- UT-D04 (USB/HID cable with Hoitek HE2325U chip, USB VID/PID 04fa:2490)
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- UT-D04 (USB/HID cable with WCH CH9325 chip, USB VID/PID 1a86:e008)
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- UT-D07 (Bluetooth adapter, ISSC BL79 BLETR chip)
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- UT-D09 (USB/HID cable with SiL CP2110 chip, USB VID/PID 10c4:ea80)
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The above cables are all physically compatible (same IR connector shape)
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with all/most currently known UNI-T multimeters. For example, you can
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use either of the UT-D04 USB/HID cables or the UT-D02 RS232 cable with
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the UNI-T UT61D multimeter.
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When using the UT-D02 RS232 cable with any of the supported UNI-T DMMs,
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you have to use the respective driver with a '-ser' drivername suffix
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(internally all of these models are handled by the 'serial-dmm' driver).
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You also need to specify the serial port via the 'conn' option, e.g.
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/dev/ttyUSB0 (attached via a USB-to-serial cable) or /dev/ttyS0 (actual
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RS232 port) on Linux (see above).
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Finally, the user running the frontend (e.g. sigrok-cli) also needs
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permissions to access the respective serial port (see above).
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Examples (sigrok-cli):
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$ sigrok-cli --driver uni-t-ut61e-ser:conn=/dev/ttyUSB0 ...
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$ sigrok-cli --driver voltcraft-vc820-ser:conn=/dev/ttyS0 ...
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When using any of the UT-D04 USB/HID cables you have to use the respective
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driver _without_ the '-ser' drivername suffix (internally all of these models
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are handled by the 'uni-t-dmm' driver).
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You also need to specify the USB vendor/device IDs of the cable.
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Autodetection is not possible here, since various other products use the
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USB VID/PID of those cables too, and there is no way to distinguish them.
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Since the UT-D04 cables are USB based (but don't use a USB-to-serial chip)
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there is no need to specify a serial port via 'conn', of course.
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However, the user running the frontend does also need to have permissions
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to access the respective USB device (see above).
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Examples (sigrok-cli):
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$ sigrok-cli --driver uni-t-ut61e:conn=1a86.e008 ...
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$ sigrok-cli --driver voltcraft-vc820:conn=04fa.2490 ...
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UNI-T UT-D04 cable issue on Linux
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---------------------------------
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The UNI-T UT-D04 cable with Hoitek HE2325U (or WCH CH9325) chip seems to have
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a very specific problem on Linux. Apparently it requires to be put into
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suspend (and woken up again) before it is usable. This seems to be a
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Linux-only issue, Windows is not affected by this since apparently the
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Windows kernel does this for every USB device, always.
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Thus, if you want to use any of the UNI-T DMMs with this specific cable,
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you'll have to run the following script (as root) once, every time you attach
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the cable via USB. The script was written by Ralf Burger.
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See also: http://erste.de/UT61/index.html
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#!/bin/bash
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for dat in /sys/bus/usb/devices/*; do
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if test -e $dat/manufacturer; then
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grep "WCH.CN" $dat/manufacturer > /dev/null && echo auto > ${dat}/power/level && echo 0 > ${dat}/power/autosuspend
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fi
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done
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Enabling multimeter / data logger measurement output
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----------------------------------------------------
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Some multimeters or data loggers will not start outputting measurement data
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unless a certain action has been performed by the user beforehand. This is
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usually mentioned in the vendor manual of the respective device, but here's
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a short list for convenience:
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- BBC Goertz Metrawatt M2110: Briefly press the "Start/Reset" button on the
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interface panel on top.
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- Brymen BM257s: Press HOLD during power-on.
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- Digitek DT4000ZC: Briefly press the "RS232" button.
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- EEVBlog 121GW: Hold "1ms PEAK" until the "BT" indicator is shown.
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- ES51919 based LCR meters (DER EE DE-5000, PeakTech 2170, UNI-T UT612):
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Press the button with the "RS232" or "USB" or "PC link" label (usually
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the "up" cursor button).
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- Gossen Metrawatt Metrahit 1x/2x devices, driver gmc-mh-1x-2x-rs232:
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- Power on the device with the "DATA" button pressed.
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- Metrahit 2x devices must be configured for the respective interface type.
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- Gossen Metrawatt Metrahit 2x devices, driver gmc-mh-2x-bd232:
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- 'BD232' interface:
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The multimeter must be configured for the respective interface type.
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- 'SI232-II' interface ("PC Mode"):
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The multimeter must be configured for interface type 'BD232' (all),
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'SI232 online' (28-29S) or 'SI232 store' (22-26x). The interface must
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be configured to the same baud rate as the host (default 9600).
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Multimeter and interface must be configured to the same address.
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- Metrix MX56C: Press the PRINT button to have the meter send acquisition
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data via IR. Hold the PRINT button to adjust the meter's transmission
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interval.
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- Norma DM950: If the interface doesn't work (e.g. USB-RS232 converter), power
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on the device with "FUNC" pressed (to power the interface from the DMM).
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- PCE PCE-DM32: Briefly press the "RS232" button.
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- RadioShack 22-812: Press and hold "SELECT" and "RANGE" together.
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- TekPower TP4000ZC: Briefly press the "RS232" button.
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- Tenma 72-7750: Briefly press the "RS232C" button.
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- UNI-T UT60G: Briefly press the "RS232C" button.
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- UNI-T UT61B/C/D: Press the "REL/RS232/USB" button for roughly 1 second.
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- UNI-T UT71x: Press the "SEND/-/MAXMIN" button for roughly 1 second.
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Briefly pressing the "EXIT" button leaves this mode again.
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- UNI-T UT325: Briefly press the "SEND" button (as per manual). However, it
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appears that in practice you don't have to press the button (at least on
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some versions of the device), simply connect the device via USB.
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- V&A VA18B/VA40B: Keep the "Hz/DUTY" key pressed while powering on the DMM.
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- Victor 70C/86C: Press the "REL/RS232" button for roughly 1 second.
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- Voltcraft VC-830: Press the "REL/PC" button for roughly 2 seconds.
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- Voltcraft VC-870: Press the "REL/PC" button for roughly 1 second.
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ChronoVu LA8/LA16 USB VID/PIDs
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------------------------------
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The ChronoVu LA8/LA16 logic analyzer is available in two revisions. Previously,
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the device shipped with a USB VID/PID of 0403:6001, which is the standard ID
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for FTDI FT232 USB chips.
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Since this made it hard to distinguish the LA8/LA16 from any other device
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with this FTDI chip connected to the PC, the vendor later shipped the
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device with a USB VID/PID of 0403:8867.
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The 'chronovu-la' driver in libsigrok supports both VID/PID pairs and
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automatically finds devices with either VID/PID pair.
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OLS
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---
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The Dangerous Prototypes Openbench Logic Sniffer (OLS) logic analyzer
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driver in libsigrok assumes a somewhat recent firmware has been flashed onto
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the OLS (it doesn't need a firmware upload every time it's attached via USB,
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since the firmware is stored in the device permanently).
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The most recent firmware version that is tested is 3.07.
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If you use any older firmware and your OLS is not found or is not working
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properly, please upgrade to at least this firmware version. Check the
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Dangerous Prototypes wiki for firmware upgrade instructions:
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http://dangerousprototypes.com/docs/Logic_Sniffer_upgrade_procedure
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Also, you need to specify a serial port for the OLS in the frontends, e.g.
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using the 'conn' option in sigrok-cli, and you also need to have the
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permissions to access the serial port (see above).
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Example:
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$ sigrok-cli --driver ols:conn=/dev/ttyACM0 ...
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Mooshimeter
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-----------
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The Mooshim Engineering Mooshimeter is controlled via Bluetooth Low Energy
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(sometimes called Bluetooth 4.0), as such it requires a supported Bluetooth
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interface available. The 'conn' option is required and must contain the
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Bluetooth MAC address of the meter.
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Example:
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$ sigrok-cli --driver mooshimeter-dmm:conn=12-34-56-78-9A-BC ...
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Since the Mooshimeter has no physical interface on the meter itself, the
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channel configuration is set with the 'channel_config' option. The format
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of this option is 'CH1,CH2' where each channel configuration has the form
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'MODE:RANGE:ANALYSIS', with later parts being optional. In addition for
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CLI compatibility, the ',' in the channels can also be a '/' and the ':' in
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the individual configuration can be a ';'.
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Available channel 1 modes:
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- Current, A: Current in amps
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- Temperature, T, K: Internal meter temperature in Kelvin
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- Resistance, Ohm, W: Resistance in ohms
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- Diode, D: Diode voltage
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- Aux, LV: Auxiliary (W input) low voltage sensor (1.2V max)
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Available channel 2 modes:
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- Voltage, V: Voltage
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- Temperature, T, K: Internal meter temperature in Kelvin
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- Resistance, Ohm, W: Resistance in ohms
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- Diode, D: Diode voltage
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- Aux, LV: Auxiliary (W input) low voltage sensor (1.2V max)
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Only one channel can use the shared inputs at a time (e.g. if CH1 is measuring
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resistance, CH2 cannot measure low voltage). Temperature is excepted from
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this, so the meter can measure internal temperature and low voltage at the
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same time.
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Additionally, the meter can calculate the real power of both channels. This
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generally only makes sense when CH1 is set to current and CH2 is set to a
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voltage and so it is disabled by default. It must be enabled by enabling the
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'P' channel (the third channel).
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The range of the channel specification sets the maximum input for that channel
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and is rounded up to the next value the meter itself supports. For example,
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specifying 50 for the voltage will result in the actual maximum of 60.
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Specifying 61 would result in 600. If omitted, sigrok will perform
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auto-ranging of the channel by selecting the next greater value than the
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latest maximum.
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The analysis option sets how the meter reports its internal sampling buffer
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to sigrok:
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- Mean, DC: The default is a simple arithmetic mean of the sample buffer
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- RMS, AC: The root mean square of the sample buffer
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- Buf, Buffer, Samples: Report the entire sample buffer to sigrok. This
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results in packets that contain all the samples in the buffer instead
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of a single output value.
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The size of the sample buffer is set with the 'avg_samples' option, while
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the sampling rate is set with the 'samplerate' option. So the update rate
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is avg_samples/samplerate. Both are rounded up to the next supported value
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by the meter.
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Example:
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$ sigrok-cli -c channel_config="Aux;0.1/T" --driver mooshimeter-dmm...
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$ sigrok-cli -c channel_config="A;;AC/V;;AC" --driver mooshimeter-dmm...
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