Peter Henn wrote:
> A patched libusb allow me to setup also latency timer values of 0 for
> the FT2232H chip.
Please tell more about this patch?
> Here the updated and used patch for my measurements:
> --- a/src/jtag/drivers/mpsse.c
> +++ b/src/jtag/drivers/mpsse.c
> @@ -305,7 +305,7 @@
> }
>
> err = libusb_control_transfer(ctx->usb_dev, FTDI_DEVICE_OUT_REQTYPE,
> - SIO_SET_LATENCY_TIMER_REQUEST, 255, ctx->index, NULL,
> 0,
> + SIO_SET_LATENCY_TIMER_REQUEST, 2, ctx->index, NULL, 0,
> ctx->usb_write_timeout);
> if (err < 0) {
> LOG_ERROR("unable to set latency timer: %d", err);
Do you suggest the above for inclusion to the mpsse.c code?
//Peter
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