So I figure I can try to access my Hayes modem as a test to send an AT 
command. To do this I thought I would try the microcom applet that comes 
with busybox. Since this is a linux command, it wants to open a TTY file of 
some sort. From what I have read elsewhere, I expected to find an entry 
under /dev with a name similar ttyUSB0. I don't see anything like this. I 
tried to open /dev/bus/usb/002/002 but that fails as this is a folder. I 
looked around in the folder's contents looking for something that may be a 
tty file but I don't see anything.

So maybe from Android rather than Linux? I searched the Play Store for USB 
and for Serial and for UART. I found several apps which would appear to 
implement at least simple serial comm via usb->serial adapters (although 
none claim to support the keyspan). So far, I haven't found one that would 
work. I have, however, ordered a cheapo USB->Serial cable that says it has 
a Prolific chipset (I believe the keyspan has a Ti one) and perhaps - after 
it gets here from China - I will make additional progress.


On Wednesday, January 16, 2013 2:39:39 AM UTC-8, al wrote:
>
> I would use something like the app "USB Device Info" (
> https://play.google.com/store/apps/details?id=aws.apps.usbDeviceEnumerator) 
> to see if it is accessible via the USB host api (
> http://developer.android.com/guide/topics/connectivity/usb/host.html)...
>
>
>

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