Hi I have just bought PCMCIA 2xCOM + 1xLPT Delock, but I can't program flash of AT91SAM7S256 - an error occurs: 'C:\Program Files\openocd-2006re82\bin\'openocd-pp.exe -f 'C:\Program Files\openocd-2006re82\bin\'at91sam7s256-wiggler-flash-program.cfg # program the onchip FLASH here Info: openocd.c:82 main(): Open On-Chip Debugger (2006-08-01 12:00 CEST) Error: jtag.c:1122 jtag_validate_chain(): Error validating JTAG scan chain, IR mismatch I used normal PC LPT and everything works fine. My OpenOCD .cfg file is: #define our ports telnet_port 4444 gdb_port 3333 #commands specific to the Amontec JTAGKey interface parport parport_port 0x378 parport_cable wiggler jtag_speed 0 jtag_nsrst_delay 200 jtag_ntrst_delay 200 #reset_config <signals> [combination] [trst_type] [srst_type] reset_config srst_only srst_pulls_trst #jtag_device <IR length> <IR capture> <IR mask> <IDCODE instruction> jtag_device 4 0x1 0xf 0xe #daemon_startup <'attach'|'reset'> daemon_startup reset #target <type> <endianess> <reset_mode> <jtag#> [variant] target arm7tdmi little run_and_init 0 arm7tdmi_r4 #run_and_halt_time <target#> <time_in_ms> run_and_halt_time 0 30 # commands below are specific to AT91sam7 Flash Programming # --------------------------------------------------------- #target_script specifies the flash programming script file target_script 0 reset script.ocd #working_area <target#> <address> <size> <'backup'|'nobackup'> working_area 0 0x40000000 0x4000 nobackup #flash bank at91sam7 0 0 0 0 <target#> flash bank at91sam7 0 0 0 0 0 Please for help. Thanks in Advance.
Try increasing jtag_speed (higher values mean a slower rate), set it to 10 as a start. Also make sure you choose the correct parport_port (check in device manager which I/O address your LPT card has). That said, Cardbus/PCMCIA cards for parallel ports can be tricky. I once bought one for another parallel port debugger and never managed to get it to work. The safe bet would be to buy a USB JTAG.
The only pcmcia parallel device i ever got to work was one from quatech (SPP-100) - however they are not cheap. It all depends if they emulate a true parallel port - most do not. As Andreas said go and but a usb jtag. Cheers Spen
Hi After restarting computer again everything goes good :). Now it's working. The only change I did, was changing a line parport_port 0xFFD8. I tried that before but not work. I have one more question: Do you know how to remap I/O port OxFFD8 to Ox378, becouse in some other programs I can't change addresses manually? I'm using WinXp. Thanks for help.
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