On Sat, Jul 12, 2014 at 6:37 PM, Eric Smith <spacewar@xxxxxxxxx> wrote: > On Sat, Jul 12, 2014 at 5:33 PM, Peter Stuge <peter@xxxxxxxx> wrote: >> As a data point you could compare the userspace approach with libftdi1. > > Good idea! I've started working on that, though I can't seem to make > it work at all yet. I'll keep beating on that. Giving up on libftdi1. It doesn't seem to work well at all, giving inconsistent and seemingly arbitrary errors: [eric@p1 libftdi1]$ sudo ./host unable to set baud rate: -2 (Setting new baudrate failed) [eric@p1 libftdi1]$ sudo ./host error reading FTDI: -8 (usb bulk read failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host error reading FTDI: -7 (usb bulk read failed) [eric@p1 libftdi1]$ sudo ./host unable to set baud rate: -2 (Setting new baudrate failed) [eric@p1 libftdi1]$ sudo ./host unable to set baud rate: -2 (Setting new baudrate failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host unable to open ftdi device: -6 (ftdi_usb_reset failed) [eric@p1 libftdi1]$ sudo ./host unable to set baud rate: -2 (Setting new baudrate failed) [eric@p1 libftdi1]$ sudo ./host error reading FTDI: -8 (usb bulk read failed) [eric@p1 libftdi1]$ sudo ./host error reading FTDI: -7 (usb bulk read failed) -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
