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VCTLabs / cp210x-program

EEPROM tool for Silabs CP210x USB-Serial adapter
GNU Lesser General Public License v2.1
52 stars 21 forks source link

Readme should advise on how to distinguish CP210{1..4} #37

Open mk-pmb opened 5 months ago

mk-pmb commented 5 months ago

First, thanks for your effort! The tables with the vendor and product IDs all list CP210{1..4} the same, so the readme should advise on how to distinguish them. Even a negative acknowledgement like

There's currently no known way to distinguish them via software, so you have to rely on the seller's product descriptions and packaging.

would help the reader save time in research.

adminy commented 5 months ago

when you do lsusb, you get something like this:

Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 008: ID 10c4:ea60 Silicon Labs CP210x UART Bridge
Bus 003 Device 009: ID 0bda:2838 Realtek Semiconductor Corp. RTL2838 DVB-T
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub

and I suppose 10c4:ea60 is a specific model, e.g. CP2102

here are other model refs:


product SILABS  CP2102      0xea60  SILABS USB UART
product SILABS  CP210X_2    0xea61  CP210x Serial
product SILABS  CP210X_3    0xea70  CP210x Serial
product SILABS  CP210X_4    0xea80  CP210x Serial

there is also this:

https://github.com/VCTLabs/cp210x-program/blob/c1fd7a3b734d7db49af301aa5ce88cc3d239f92d/cp210x/cp210x.py#L298-L306

mk-pmb commented 5 months ago

Yes, my lsusb has the exact same entry, ID 10c4:ea60 Silicon Labs CP210x UART Bridge, so maybe that get_part_number could work for me. How do I use that?