> Very good results.
>
> To use your openocd.cfg, I borrowed an IAR STM32 Starter Kit
> and I got even better results than yours with Amontec JTAGkey-2
> (FT2232-H based) under Mac OS X 10.7.3.
>
> mymacmini:stm32 xiaofanc$ cat openocd.cfg
> source [find interface/ftdi/jtagkey2.cfg]
> source [find target/stm32f1x.cfg]
>
> $_TARGETNAME configure -event reset-start {
> adapter_khz 1000
> }
>
> $_TARGETNAME configure -event reset-init {
> mww 0x40022000 0x32
> mww 0x40021004 0x3c0400
> mww 0x40021000 0x01000883
> sleep 10
> mww 0x40021004 0x3c0402
> sleep 10
> adapter_khz 8000
> }
>
> init
> reset init
> poll off
> stm32f1x mass_erase 0
> dump_image dump.bin 0x08000000 131072
> verify_image dump.bin 0x08000000
> flash write_image dump.bin 0x08000000
> verify_image dump.bin 0x08000000
> load_image dump.bin 0x20000000 bin 0x20000000 20480
> shutdown
>
>
> mymacmini:stm32 xiaofanc$ ~/bin/bin/openocd -f openocd.cfg
> Open On-Chip Debugger 0.6.0-dev-00448-gfd32452-dirty (2012-05-11-21:15)
> Licensed under GNU GPL v2
> For bug reports, read
> http://openocd.sourceforge.net/doc/doxygen/bugs.html
> Info : only one transport option; autoselect 'jtag'
> 1000 kHz
> adapter_nsrst_delay: 100
> jtag_ntrst_delay: 100
> cortex_m3 reset_config sysresetreq
> Info : clock speed 1000 kHz
> Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg:
> 0x23b, part: 0xba00, ver: 0x3)
> Info : JTAG tap: stm32f1x.bs tap/device found: 0x16410041 (mfg: 0x020,
> part: 0x6410, ver: 0x1)
> Info : stm32f1x.cpu: hardware has 6 breakpoints, 4 watchpoints
> 1000 kHz
> Info : JTAG tap: stm32f1x.cpu tap/device found: 0x3ba00477 (mfg:
> 0x23b, part: 0xba00, ver: 0x3)
> Info : JTAG tap: stm32f1x.bs tap/device found: 0x16410041 (mfg: 0x020,
> part: 0x6410, ver: 0x1)
> target state: halted
> target halted due to debug-request, current mode: Thread
> xPSR: 0x01000000 pc: 0x080049e4 msp: 0x20001040
> 8000 kHz
> Info : device id = 0x20036410
> Info : flash size = 128kbytes
> stm32x mass erase complete
> dumped 131072 bytes in 0.334844s (382.268 KiB/s)
> verified 131072 bytes in 0.283918s (450.834 KiB/s)
> wrote 131072 bytes from file dump.bin in 3.541049s (36.147 KiB/s)
> verified 131072 bytes in 0.282782s (452.646 KiB/s)
> 20480 bytes written at address 0x20000000
> downloaded 20480 bytes in 0.046920s (426.257 KiB/s)
> shutdown command invoked
>
Good result.
I will try to correct the ft2232.c to get the same performance as the mpsse
based on Amontec JTAGkey-2. This will give us the advantage to still have the
d2xx driver support :-) which one should still be faster on Microsoft Windows
OS (again better performance). Also, the advantage will be to keep the same
configuration files (coming with new interface/ftdi/ is not so good, I think).
It is only 4 lines to add on the ft2232.c :-) to get the same performance as
mpsse.c !
Regards,
Laurent Gauch
Amontec JTAGkey-2 : USB JTAG cable interface at 30MHz with RTCK support.
http://www.amontec.com
http://www.amontec.com/jtagkey.shtml
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