FT232 UART device gets disconnected when an SPI device is run

[devttys0]

FT232 UART device gets disconnected when an SPI device is run

[l29ah]

Have you tried OpenIndex()?

[skrishnamoorthy5287]

I believe the Open function essentially uses the OpenIndex function, right?

I have three devices connected to my RPi. If I do:
ls /dev/ttyUSB*

it shows me all three connected (USB0, USB1, USB2). Then I run a code which only implements:
spi=MPSSE(SPI0,ONE_HUNDRED_KHZ,MSB)

after which when I do ls /dev/ttyUSB* again, only USB0 and USB1 are shown. But if I do lsusb, I can still see all three devices there.

Quite confused by this behaviour.

Thank you for your help.

[l29ah]

Yes.
I've misinterpreted your question. Sure you'll lose one of the /dev/ttyUSB's since you're allocating the FTDI for SPI. You cannot use the same pins for both UART and SPI.

[skrishnamoorthy5287]

Ah thank you. I was concerned it was kicking one of my devices off, but I looked in further and it looks like it first identifies itself as a UART device, that's why I see 3 USB connections, but once I set up the SPI it removes itself from the UART list.

Thank you for your guidance and sorry for the ignorance, first time using SPI over USB with other devices in there :)