usb serial port speed

2008-04-17 Thread Per olof Ljungmark

Hi,
Finally got through to get a Huawei E220 3G modem working, now the 
question is, how can max the speed from the serial (USB) port? The modem 
is theoretically capable of several mbit/s.


7-STABLE

Thanks for any hints,

--per
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usb serial port speed

2008-04-17 Thread Robert Huff
Per olof Ljungmark writes:

  Finally got through to get a Huawei E220 3G modem working, now
  the question is, how can max the speed from the serial (USB)
  port? The modem is theoretically capable of several mbit/s.

With the right driver, the USB stack is capable of the full 480
mbits/second.
(In theory, anyway; I've never been able get mine anywhere near
that.)


Robert Huff


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Re: usb serial port speed

2008-04-17 Thread Per olof Ljungmark

Robert Huff wrote:

Per olof Ljungmark writes:


 Finally got through to get a Huawei E220 3G modem working, now
 the question is, how can max the speed from the serial (USB)
 port? The modem is theoretically capable of several mbit/s.


With the right driver, the USB stack is capable of the full 480
mbits/second.
(In theory, anyway; I've never been able get mine anywhere near
that.)


I've cranked ubsa.c to 921600 and that seems to work, I'll try to take 
it further tomorrow. We'll see.


--per
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