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doc: update README.devices (USB detection, enable serial comm) 

Slightly rephrase README.devices since there is no strict distinction
into "fully automatic" and "always manual". Some drivers _accept_ conn=
specs when provided, _and_ support automatic detection of enumerable
devices, _and_ might implement defaults but also support overrides.

Nit, numerically sort the list of Uni-T cables (which is about to grow
in the future) for improved readability.

Add two more devices which require users to manually enable the serial
communication (Brymen BM257s, EEVBlog 121GW).
This commit is contained in:
Gerhard Sittig 2018-12-30 12:31:20 +01:00 committed by Uwe Hermann
parent ea7a83a437
commit de805ae50d
1 changed files with 6 additions and 2 deletions
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8
README.devices
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@ -141,7 +141,8 @@ Example:
$ sigrok-cli --driver <somedriver>:conn=/dev/ttyUSB0 ...
The following drivers/devices require a serial port specification. Some of
the drivers implement a default for the connection.
the drivers implement a default for the connection. Some of the drivers
can auto-detect USB connected devices.
- agilent-dmm
- appa-55ii
@ -199,6 +200,7 @@ The following drivers/devices accept network communication parameters:
- hameg-hmo
- rigol-ds
- scpi-dmm
- siglent-sds
- yokogawa-dlm
@ -285,9 +287,9 @@ UNI-T DMM (and rebranded models) cables
UNI-T multimeters (and rebranded devices, e.g. some Voltcraft models) can
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-D02 (RS232 cable)
The above cables are all physically compatible (same IR connector shape)
with all/most currently known UNI-T multimeters. For example, you can
@ -362,7 +364,9 @@ a short list for convenience:
- BBC Goertz Metrawatt M2110: Briefly press the "Start/Reset" button on the
interface panel on top.
- 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.
- 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.