Joachim Schambach wrote: >> i.e. no data is being received into the FIFO from >> the Linux box. Yet on the Linux side, the call returns with no error, as if the >> call succeeded. >> After some experimentation, I finally found that everything worked correctly >> again when I added a second ftdi_write_data call, even if that one only sent 1 byte. >> So I tried the same thing with the libftd2xx library from FTDI, and indeed, that >> one behaved the same way. >> [...] >> So either I am missing something fundamentally, or something is weird with the >> Linux USB implementation. And yes, I did call rmmod ftdi_sio and rmmod usbserial.
Maybe see if usbmon shows it going out? Michael -- libftdi - see http://www.intra2net.com/en/developer/libftdi for details. To unsubscribe send a mail to [email protected]
