X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=README.devices;h=e7fe04297a8ed083ded9fd1d10d8f02094881a4b;hb=e35ebc6aa3b3230d332f5aa217e1da978bb1ec48;hp=01baf4da79901b6d1031955d4f1e18617a7beca0;hpb=de805ae50d5908d99d810f9975091bb2061125de;p=libsigrok.git diff --git a/README.devices b/README.devices index 01baf4da..e7fe0429 100644 --- a/README.devices +++ b/README.devices @@ -130,7 +130,14 @@ Specifying serial ports ----------------------- Many devices supported by libsigrok use serial port based cables (real RS232 -or USB-to-serial ones) to connect to a PC. +or USB-to-serial ones, CDC class) to connect to a PC. These serial cables are +supported by the libserialport library. Some vendors prefer to use HID chips +instead of CDC chips in their serial cables. These cables can get supported +by means of the hidapi library. Note that each chip type requires specific +support in the libsigrok library. Bluetooth connected devices may be supported +as well when they communicate by means of RFCOMM channels, or one of the +implemented BLE notification/indication approaches, and one of the Bluetooth +supporting platforms is used. For all these devices, you need to specify the serial port they are connected to (e.g. using the 'conn' option in sigrok-cli). It is not possible to scan @@ -139,6 +146,30 @@ for such devices without specifying a serial port. Example: $ sigrok-cli --driver :conn=/dev/ttyUSB0 ... + $ sigrok-cli --driver :conn=hid/cp2110 ... + $ sigrok-cli --driver :conn=bt/rfcomm/01-23-45-67-89-ab ... + +Formal syntax for serial communication: + + - COM ports (RS232, USB CDC): + conn= + - USB HID cables: + conn=hid[/] + conn=hid[/]/usb=.[.] + conn=hid[/]/raw= + conn=hid[/]/sn= + chip can be: ch9325, cp2110 + path may contain slashes + path and serno are "greedy" (span to the end of the spec) + - Bluetooth Classic and Bluetooth Low Energy (BLE): + conn=bt// + conn can be: rfcomm, ble122, nrf51, cc254x + addr can be "dense" or separated, bt/cc254x/0123456789ab or + bt/rfcomm/11-22-33-44-55-66 or bt/ble122/88:6b:12:34:56:78 + (note that colons may not be available when the conn= spec is taken + from a string that separates fields by colon, e.g. in the "--driver + :conn=" example, that is why the dense form and the use + of dashes for separation are supported) The following drivers/devices require a serial port specification. Some of the drivers implement a default for the connection. Some of the drivers @@ -164,6 +195,8 @@ can auto-detect USB connected devices. - serial-lcr (including all subdrivers) - teleinfo - tondaj-sl-814 + - uni-t-dmm (all -ser subdrivers) + - uni-t-ut32x The following drivers/devices do not require a serial port specification: @@ -181,13 +214,11 @@ The following drivers/devices do not require a serial port specification: - rigol-ds (USBTMC or TCP) - saleae-logic16 - sysclk-lwla - - uni-t-dmm (including all subdrivers) - - uni-t-ut32x - - victor-dmm + - uni-t-dmm (all non -ser subdrivers) - yokogawa-dlm (USBTMC or TCP) - zeroplus-logic-cube -Beyond strict serial communication over COM ports (e.g. /dev/ttyUSB0), the +Beyond strict serial communication over COM ports (discussed above), the conn= property can also address specific USB devices, as well as specify TCP or VXI communication parameters. See these examples: @@ -290,6 +321,8 @@ ship with different PC connectivity cables: - UT-D02 (RS232 cable) - UT-D04 (USB/HID cable with Hoitek HE2325U chip, USB VID/PID 04fa:2490) - UT-D04 (USB/HID cable with WCH CH9325 chip, USB VID/PID 1a86:e008) + - UT-D07 (Bluetooth adapter, ISSC BL79 BLETR chip) + - UT-D09 (USB/HID cable with SiL CP2110 chip, USB VID/PID 10c4:ea80) The above cables are all physically compatible (same IR connector shape) with all/most currently known UNI-T multimeters. For example, you can @@ -367,6 +400,9 @@ a short list for convenience: - Brymen BM257s: Press HOLD during power-on. - Digitek DT4000ZC: Briefly press the "RS232" button. - EEVBlog 121GW: Hold "1ms PEAK" until the "BT" indicator is shown. + - ES51919 based LCR meters (DER EE DE-5000, PeakTech 2170, UNI-T UT612): + Press the button with the "RS232" or "USB" or "PC link" label (usually + the "up" cursor button). - Gossen Metrawatt Metrahit 1x/2x devices, driver gmc-mh-1x-2x-rs232: - Power on the device with the "DATA" button pressed. - Metrahit 2x devices must be configured for the respective interface type.