Simon, > Additionally, the device expects the speed in Hz, not kHz. I figured > this out be sniffing the USB traffic generated by IAR EWARM (using > Olimex' JLINK emulation driver). Since the default speed in the target > configuration file is 1000 kHz, this resulted in an effective speed of > 1 kHz. This was probably the reason for the additional errors (JTAG > chain timeout (?), as in private email from Dimitar Dimitrov, the > original author of the driver and a former Olimex employee). >
Good catch! JTAG chain timeout is expected in such circumstances. Clocking the (presumably full) 4k buffer with 1kHz TCK frequency easily exceeds the static timeout of 2 seconds, as currently defined in the driver. Maybe timeout should be set dynamically based on JTAG frequency? Regards, Dimitar _______________________________________________ Openocd-development mailing list Openocd-development@lists.berlios.de https://lists.berlios.de/mailman/listinfo/openocd-development
