Hey there! Sorry if this is the wrong channel for asking help using Sigrok,
but I didn't know where else to ask anymore.

So I have a Brymen BM869 multimeter, which I bought the BC-86X USB-cable
for. I heard from a friend that Sigrok supports this multimeter, but I'm
having a hard time getting it to work with my OSX 10.14.6 Mac Mini.

I managed to install the sigrok-cli nightly from the .dmg after a bit of
fiddling with homebrew and it seems to work fine now.

When using lsusb, I get the following message indicating that the USB-cable
is recognized:












*Superior DMM:Product ID: 0x0001Vendor ID: 0x0820Version: 86.03Serial
Number: ?呐?Speed: Up to 1.5 Mb/secManufacturer: BrymenLocation ID:
0x14741000 / 19Current Available (mA): 500Current Required (mA): 100Extra
Operating Current (mA): 0*

Also, when I installed Pulseview and tried to check that out (thought first
that it would display the multimeter info), I get this as an option for
serial connections:

*hid/bu86x/raw=USB_0820_0001_14741000 (HID Brymen Superior DMM [0820.0001])*

But when I write in terminal the command *"sigrok-cli -d brymen-bm86x
--scan"*, I get the following error:


*sr: serial-hid: Unsupported HIDAPI path format:
IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/XHC1@14/XHC1@14000000/HS08@14700000/USB2.0
Hub
@14700000/AppleUSB20Hub@14700000/AppleUSB20HubPort@14740000/USB 2.0
Hub@14740000/AppleUSB20Hub@14740000/AppleUSB20HubPort@14741000/Superior
DMM@14741000/IOUSBHostInterface@0/IOUSBHostHIDDevice@14741000,0sr:
serial-hid: Failed to open HID device.*

When changing the USB-cable to a port connected straight to the Mac Mini
(no USB-hub in between) it gives the same message, the location is just
shorter.

I was reading about USB HID connections in the Sigrok wiki where it was
mentioned that you can connect by a USB vendor and product ID pair, or bus
and device address. When trying either command "sigrok-cli -d
brymen-bm86x:conn=0820.0001 --scan" or "sigrok-cli -d
brymen-bm86x:conn=20.20 --scan", both of them give me the following error:

*sr: serial-libsp: Attempt to open serial port with invalid parameters.*

What am I doing wrong here? Using "sudo" in the commands above doesn't
change the error messages at all.

- Tuukka
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