This is an automated email from Gerrit. Peter Stuge ([email protected]) just uploaded a new patch set to Gerrit, which you can find at http://openocd.zylin.com/939
-- gerrit commit cda6e36933f02d35c52c8283fdf57e9bc1e382ae Author: Peter Stuge <[email protected]> Date: Sun Oct 28 05:42:15 2012 +0100 mpsse: Always perform a general reset of the MPSSE in mpsse_open() Per AN_135 FTDI MPSSE Basics Version 1.1, section 4.2 step 7. http://www.ftdichip.com/Support/Documents/AppNotes/AN_135_MPSSE_Basics.pdf This allows to stop and restart OpenOCD reliably, without needing to power cycle the interface. Change-Id: Ibeafe5ecfe7b2f6f82712cbc85116904407ddb36 Signed-off-by: Peter Stuge <[email protected]> diff --git a/src/jtag/drivers/mpsse.c b/src/jtag/drivers/mpsse.c index d6cbc84..92f9331 100644 --- a/src/jtag/drivers/mpsse.c +++ b/src/jtag/drivers/mpsse.c @@ -55,6 +55,7 @@ #define FTDI_DEVICE_OUT_REQTYPE (LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE) #define FTDI_DEVICE_IN_REQTYPE (0x80 | LIBUSB_REQUEST_TYPE_VENDOR | LIBUSB_RECIPIENT_DEVICE) +#define BITMODE_RESET 0x00 #define BITMODE_MPSSE 0x02 #define SIO_RESET_REQUEST 0x00 @@ -315,6 +316,19 @@ struct mpsse_ctx *mpsse_open(const uint16_t *vid, const uint16_t *pid, const cha err = libusb_control_transfer(ctx->usb_dev, FTDI_DEVICE_OUT_REQTYPE, SIO_SET_BITMODE_REQUEST, + 0x0b | (BITMODE_RESET << 8), + ctx->index, + NULL, + 0, + ctx->usb_write_timeout); + if (err < 0) { + LOG_ERROR("unable to reset bitmode: %d", err); + goto error; + } + + err = libusb_control_transfer(ctx->usb_dev, + FTDI_DEVICE_OUT_REQTYPE, + SIO_SET_BITMODE_REQUEST, 0x0b | (BITMODE_MPSSE << 8), ctx->index, NULL, -- ------------------------------------------------------------------------------ WINDOWS 8 is here. Millions of people. Your app in 30 days. Visit The Windows 8 Center at Sourceforge for all your go to resources. http://windows8center.sourceforge.net/ join-generation-app-and-make-money-coding-fast/ _______________________________________________ OpenOCD-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openocd-devel
