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| Sniffing the Rigol's internal I2C bus |
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| phersus:
Hello Guys, Anyone who can show me what does the imx28.cfg file contain ? Or point me where I can find it ? If the context is not clear I'm talking about the command to launch openocd, something like: G:\openocd-x64-0.8.0.exe -f ./interface/ftdi/olimex-arm-usb-ocd-h-hl.cfg -f ./target/imx28.cfg Thanks, Gus |
| MadDog:
Hi Gus, imx28.cfg is a part of openocd. Create your own *.cfg file like "Off" has shown in reply #3740: source [find interface/ftdi/olimex-arm-usb-ocd-h.cfg] source [find target/imx28.cfg] adapter_khz 20000 I have done this some days ago with a non -H olimex adapter (olimex-arm-usb-ocd.cfg), I had to reduce the frequency to 5000kHz. Many thanks to those who have made this possible and who have shared their knowledge! :clap: |
| phersus:
Hi again, Thank you MadDog, Now it makes more sense those commands, I've seen them but didn't understand why they were there :palm: OK, if they are part of the openocd install it is clear. I will give them a try now, Cheers. |
| dr.diesel:
Looks like a new firmware available for the 815: DSA815: 00.01.12 From: http://beyondmeasure.rigoltech.com/acton/form/1579/0012:d-0001/1/index.htm |
| msraya:
No luck with the icebear JTAG :( ... The memory dump stop at 6542Kb, the openocd 0.8.0 output is: timeout waiting for syscomp & dbgack last dbg_status: 4 And rigup does not find any keys. I do not have idea, I will find a solution when I have time.... The cfg files: --- Code: ---interface ftdi ftdi_device_desc "ICEbear JTAG adapter" ftdi_vid_pid 0x0403 0xc140 ftdi_layout_init 0x0028 0x002b ftdi_layout_signal nTRST -data 0x0010 -oe 0x0010 ftdi_layout_signal nSRST -data 0x0020 adapter_khz 5000 # i.MX28 config file. # based off of the imx21.cfg file. reset_config trst_and_srst separate srst_gates_jtag trst_push_pull srst_open_drain connect_deassert_srst #jtag nTRST and nSRST delay adapter_nsrst_delay 100 jtag_ntrst_delay 100 if { [info exists CHIPNAME] } { set _CHIPNAME $CHIPNAME } else { set _CHIPNAME imx28 } if { [info exists ENDIAN] } { set _ENDIAN $ENDIAN } else { set _ENDIAN little } # Note above there is 1 tap # The CPU tap if { [info exists CPUTAPID] } { set _CPUTAPID $CPUTAPID } else { set _CPUTAPID 0x079264f3 } jtag newtap $_CHIPNAME cpu -irlen 4 -ircapture 0x1 -irmask 0xf -expected-id $_CPUTAPID # Create the GDB Target. set _TARGETNAME $_CHIPNAME.cpu target create $_TARGETNAME arm926ejs -endian $_ENDIAN -chain-position $_TARGETNAME -variant arm926ejs arm7_9 dcc_downloads enable --- End code --- Regards Manuel |
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