Re: [ECOS] kinetis kwikstik's ecos trouble

[Ilija Kocho <ilijak at siva dot com dot mk>]

On 28.06.2012 05:22, tangwei wrote:
> Thanks, I have used the Makefile provided with examples,now they can run successfully.
> but when I want to try a example,I must use J-LINK to download the binfile into kwikstik's flash.
> Is there any easy methods to do this by the redboot,such as use the redboot's load command,
> first load the file into RAM,then use the redboot's go command to execute the example app,
> if the app work successfully,then use J-LINK to download into flash.
> I have try this way,setp1. download redboot ROM startup for Kwikstik,and get the below info when redboot startup
> Platform: Freescale KwikStik (Cortex-M4)                                       RAM: 0x1fff8000-0x20007000 [0x1fffb6a8-0x20007000 available] 
> step2. download the example app twothreads.bin,use
> RedBoot> load -v -m ymodem                                                     CCUnrecognized image type: 0x20008000                                          xyzModem - CRC mode, 4(SOH)/0(STX)/0(CAN) packets, 4 retries 
> then tryRedBoot> load -r -m ymodem -b 0x1fffb6a8                                       CRaw file loaded 0x1fffb6a8-0x20000ae7, assumed entry at 0x1fffb6a8            xyzModem - CRC mode, 172(SOH)/0(STX)/0(CAN) packets, 4 retries                 RedBoot> go -c 0x1fffb6a8                                                                   $T050f:a8b6ff1f;0d:e86f0020;#5c
> both seems fail

There are 2 issues:

1. With Redboot you should load the elf file rather bin.

2. I assume you are using SRAM startup type for twothreads and it's not
intended for loading with Redboot. You should instead use J-link with
some GDB server. OpenOCD is known to work.

I hope this helps

Ilija


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