[etherlab-users] cx2100 vs CCAT drivers

[Graeme Foot]

Hi James,

The CX2100 driver is indeed to make the CX2100 available as a network interface for the EtherCAT master.  This was written and made available a year or so before the CCat driver.  The CCat driver was also under development for a little time before it became stable and was contributed by a Beckhoff employee to support the Linux community.

I still use the CX2100 driver as it does exactly as I want.  I have a separate user space application which hooks into the i2c channel to interact with the nav buttons and LCD screen.

I have not yet looked into replacing the CX2100 driver with the CCat driver and haven't looked into its capabilities, but for a new project I would be evaluating using the CCat driver.

Regards,
Graeme.

From: James Benway <James.Benway at gleeble.com>
Sent: Tuesday, 26 November 2019 2:19 AM
To: Graeme Foot <Graeme.Foot at touchcut.com>
Subject: cx2100 vs CCAT drivers

Hi Mr. Foot,

I am picking up a project where Mr. Dave Page left off which utilizes the etherLab master on Beckhoff CX2030+CX2100 hardware.  The project currently uses a fork of the stable-1.5 branch with a few patches developed prior to 2016.  I am migrating the project to a newer kernel and working in the applicable patches released over the past few years in Gavin's repo.  As I was scanning through the patches I can across your CX2100 driver.  However, I am a bit confused as to its purpose and was hoping you could shed some light.  Is the CX2100 driver's purpose to set up an interface to use the device as a standard ethernet adapter?  Is it intended to supplement or replace the ccat driver?

Thank you in advance for any assistance you can provide,

--
James Benway
Senior Embedded Systems Engineer
Dynamic Systems Inc.
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