USB device not recognized, ADS-Dual-Link-Drive-Kit - Electronic Circuits Projects Diagrams Free

danristei · 26th August 2008, 01:52 PM

Hi,

I have a IDE to FIREWIRE and USB external case. When I connect it to firewire it works ok but for the USB connection I get the "USB device not recognized" message. Here are some pictures of the controller. Any idea about what the problem might be ? Is there anything I could check there ?

Thanks a lot.

Papabravo · 26th August 2008, 11:35 PM

It is not correctly responding to the enumeration process. This happens to me all the time after downloading code over the JTAG port and forgetting to start the device processor (ADSP-21363). Windows complains bitterly and proceeds to get stupid.

danristei · 27th August 2008, 10:20 PM

is there a solution to that ?

Papabravo · 28th August 2008, 03:24 AM

MY solution is to start the emulator before connecting the USB cable to the Windows Box, so my firmware is running in the DSP before Windows begins the enumeration process.

Your problem may require that you find a driver that you can install for the board. I'm assuming that it is a purchased board rather than one you are doing development on.

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26th August 2008, 11:35 PM	(permalink)
Papabravo	It is not correctly responding to the enumeration process. This happens to me all the time after downloading code over the JTAG port and forgetting to start the device processor (ADSP-21363). Windows complains bitterly and proceeds to get stupid. __________________ We never have time to do it right; but we always have time to do it over.

27th August 2008, 10:20 PM	(permalink)
danristei	is there a solution to that ?

28th August 2008, 03:24 AM	(permalink)
Papabravo	MY solution is to start the emulator before connecting the USB cable to the Windows Box, so my firmware is running in the DSP before Windows begins the enumeration process. Your problem may require that you find a driver that you can install for the board. I'm assuming that it is a purchased board rather than one you are doing development on. __________________ We never have time to do it right; but we always have time to do it over.