I need some way of making sure the processes running on my board are using the correct serial channel every time the device starts up. Did you check all the way to your connector and from that through the cable? Sample output snippets with two ftdi devices connected Bus Device That was exactly what I’ve done. Installation guides are available from the Installation Guides page of the Documents section of this site for selected operating systems.
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It doesn’t sound like missing device drivers or anything similar to me.
FTSPI Programmer – flashrom
What do you think, is the layout correct? This should work with most cables. When you say it’s almost the same it’d be worth including a schematic of what you built. Sample output snippets with two ftdi devices connected Bus Device Did you check all the way to your connector and from that through the cable? FTDI drivers may be distributed in any form as long as license information is not modified.
Installation guides are available from the Installation Guides tf2232d of the Documents section of this site for selected operating systems. This question already has an answer here: It would detect a low speed device in this case. Bus Device Device is not responding. I’m using self powered configuration, so the chip gets its power from USB port directly.
That was exactly what I’ve done.
On Windows I got unknown device and then Windows disables it because thinks it works wrong. Post as a guest Name. On Linux the dmesg shows lines above.
Daniel – We can’t tell you anything about your layout unless you actually post your layout. I believe that part occurs very early during enumeration so it could be something wrong at a fairly low level.
Device not responding to set address. Default decoupling practice should be one 0.
usb – FTD – Device not responding to set address – Electrical Engineering Stack Exchange
Can I measure some pins for getting more information on what’s going on? The problem is both chips are completely identical, but they will always be connected to the same physical USB location.
Circuit looks like this: Windows 7, Windows Server R2 and Windows 8, 8. There is no way for these devices to ever be “removed”, “disconnected”, or moved to a different physical USB location. I need ffdi way of making sure the processes running on my board are using the correct serial channel every time the device starts up.