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Old 09-18-2012, 10:43 PM   #18
megacoupe
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Posts: 80
Karma: 8682
Join Date: Aug 2007
Device: Kindle Voyage
Quote:
Originally Posted by knc1 View Post
Would you please post --name/rank/serial number-- ah, Make and Model at least.
What little I can see in that picture, it looks like one that can be optioned for either 3.3volt or 5volt ttl levels.
The Kindles are neither, they are 1.8volt ttl.

You may have just tested if the serial i/o port is 3.3 (5.0) volt tolerant.
I would not expect them to be, since the Freescale has different output drivers for 1.8 and 3.3 volt on its UART ports.

With the Make and Model (even better, a link to the part page) I could say more specifically what the situation is.
Unfortunately, the listing I bought the part from doesn't offer much information: http://www.ebay.com/itm/180953407401

I was pointed to the listing by stangri, who was successful at getting a DXG out of demo mode, so the adapter *should* work.

Quote:
Note the two different serial configurations used by the i.MX31 devices:
Downloader mode: 57500,8,n,2
U-Boot & Linux console: 115000,8,n,1

The ATK application **may** only do serial I/O to **com** ports, if your USB-to-serial adapter does not have a driver to map a USB serial port to a **com** port - check at the vendor's site for that sort of driver.
In Win 7, "Prolific USB-to-Serial Comm Port" is detected and mapped to COM4. I can go to Properties and set the values you listed above. If I change to those values, will ATK be able to communicate? Which mode do I need to go to?

On another note, is the DXG a i.MX31 device? I ask because I've been selected the i.MX35_T02 option in ATK...

Quote:
You would be much better off running a Linux LiveCD than dealing with passing USB devices into and outof a VM instance.
I might try that.
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