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path: root/src/jtag/drivers/usb_blaster/usb_blaster.c
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2013-07-15jtag/drivers: trivial variable renamingRobert Jarzmik
Rename ublast_sleep() time variable from ms to us as the unit is in micro-seconds. Change-Id: I07ff9c36d302d5d59edb8a5faa73d78cdd6145a4 Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Reviewed-on: http://openocd.zylin.com/1457 Tested-by: jenkins Reviewed-by: Xiaofan <xiaofanc@gmail.com> Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
2013-06-29drivers/jtag: usb_blaster add pin controlsRobert Jarzmik
Add pin controls (pin6 and pin8). These pins can be controled either : - with a fixed value (0 or 1) - by TRST or SRST reset signal (driven low when signal activated). Change-Id: Ie6a3e57fc6ba6a38fdb9a009c976e3febab8f578 Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Reviewed-on: http://openocd.zylin.com/1448 Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Tested-by: jenkins
2013-06-04drivers/jtag: rewrite usb_blaster driverRobert Jarzmik
Rewrite the Altera USB Blaster dongle driver : - make extensive use of byte-shift mode, to improve JTAG speed. This is the main reason of the rewrite. It improves the memory dumps with a factor 3 at least, and upload 100 times, from 1 kBytes/sec to 100 kBytes/sec with a USB-Blaster connected to an Altera Virtual JTAG TAP + OpenRISC CPU. - split the low level API part (between FTDI and FTD2xx) from core driver, so that in the future, if both libftdi and ftd2xx can coexist, the driver will be able to switch dynamically from one access to the other. Change-Id: I2ee9cedf4a5eb27501f337993ee0cdee52517e7c Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Marek Czerski <ma.czerski@gmail.com> Tested-by: Franck Jullien <franck.jullien@gmail.com> Reviewed-on: http://openocd.zylin.com/467 Tested-by: jenkins Reviewed-by: Andreas Fritiofson <andreas.fritiofson@gmail.com> Reviewed-by: Alexandre Becoulet <alexandre.becoulet@free.fr> Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>