Can you git bisect to find the problem commit? Felix <dg1...@gmx.de> wrote:
Hi, the driver for the Altera USB-Blaster and compatibles in version 0.4.0 (and up to the current git snapshot) is (at least partially) broken. Somewhere in the merge process, the bit which enables the output (and the LED in the original altera usb blaster) must have got lost. It was included in the first version supplied to the mailing list in december 2009. At the moment the output of the CPLD which drives the JTAG (and the GPIO) pins just stays in tristate (at least with the original USB Blaster, maybe some clones dont use this functionality and provide always-enabled outputs) and does not do anything. After fixing this bug I ran into some speed issues (maybe a problem of libftdi). JTAG communication basically works, but is incredibly slow (TCLK about 100 Hz - not kHz). So its not really usable for debugging in this way (as I said, maybe this is related to libftdi). I'll try to provide a patch for that if no one else is working on it. Felix _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
