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Author Topic: D2 FTDI drivers for external usb/embedded serial device (insteon PLM)  (Read 2565 times)
pwhalley
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« on: June 01, 2012, 10:22:47 PM »

Greetings all, I am trying to get and INSTEON USB PLM working on a D2. This device has the typical FTDI serial chip embeded inside.

This is what I find in the kernel log when I connect the device to a desktop running ubuntu:
Code:
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.400031] usb 2-4: new full speed USB device using ohci_hcd and address 2
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.627198] usb 2-4: configuration #1 chosen from 1 choice
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.676374] usbcore: registered new interface driver usbserial
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.677346] USB Serial support registered for generic
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.678280] usbcore: registered new interface driver usbserial_generic
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.678284] usbserial: USB Serial Driver core
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.691105] USB Serial support registered for FTDI USB Serial Device
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692317] ftdi_sio 2-4:1.0: FTDI USB Serial Device converter detected
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692437] usb 2-4: Detected FT232RL
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692440] usb 2-4: Number of endpoints 2
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692442] usb 2-4: Endpoint 1 MaxPacketSize 64
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692445] usb 2-4: Endpoint 2 MaxPacketSize 64
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.692447] usb 2-4: Setting MaxPacketSize 64
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.694178] usb 2-4: FTDI USB Serial Device converter now attached to ttyUSB0
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.694200] usbcore: registered new interface driver ftdi_sio
Jun  1 23:40:48 misterhouse-desktop kernel: [106336.694203] ftdi_sio: v1.5.0:USB FTDI Serial Converters Driver

This is what I get when I connect the same PLM to the D2:
Code:
[37327.432217] usb 1-1.4: new full speed USB device using orion-ehci and address 8
[37327.550334] usb 1-1.4: configuration #1 chosen from 1 choice

Can anyone give me a means to resolve?
It looks to me like the wrong driver is gloming onto this device and the correct drivers are not present in the system.

Any help will be greatly appreciated!

Peter
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mentor
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« Reply #1 on: June 03, 2012, 07:50:16 PM »

I check ther kernel , I found some thing

but I don't have your test device on hand , I can't make sure what I saw could solve your issue

if you want to take a look,

you could download latest kernel form kernel downlord page

http://www.plugcomputer.org/downloads/d2plug/

used "make ARCH=arm menuconfig" check the

FTDI support at "Devices driver ->USB support ->USB Serial Converter support -> USB FTDI Single Port Serial Driver "

as I saw the  "USB Serial Converter support " and  "USB FTDI Single Port Serial Driver " is uncheck , so I think you could give a try



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pwhalley
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« Reply #2 on: June 03, 2012, 09:32:08 PM »

I undersand you to be confirming that support for the latest supplied kernel leaves out FTDI support correct?

You are suggesting I build kernel myself and flip this option on?

While I may do this, it is adding another level of complexity which in my experience equates to several more levels of dependencies and on and on... It really puts a damper on progress!

I was hoping someone might know of a package suitable for installation. 

Thanks for the info,

Peter
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« Reply #3 on: June 04, 2012, 05:43:28 AM »

I know your concern

but if kernel not support FTDI than I don't think you install any package could help on  this

and I mention for you to do the test , I think is it is safe , beacuse ,relate part just usb function, others can't be impact

BTW , as I said I don' have your enviroument , so maybe I wrong the root cause isn't kernel feature support not include the FTDI ,so give a try to indentify

this I think also has help on your development
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