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Discussion Groups | TMS320C28x | My DSP got locked!

Technical discussions about the TI C28x DSPs (including the C2810, C2811, C2812, F2801, F2806, F2808, F2810,, F2811, F2812, R2811 and R2812).

  

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My DSP got locked! - nima...@yahoo.com - Dec 21 8:01:42 2011

Hello everybody
I am using the on-chip flash programmer in CCS 3.3 to program a F2812.  After
clicking execute program in the on-chip flash programmer window, first it
started working normally but at the beginning of the erasing procedure it
stopped. I waited for a long but there was no progress in that procedure. I
decided to close the on-chip flash programmer window, reset the board and unplug
the USB connector of the JTAG. Now, I can connect to the board using the JTAG,
but I can not program the flash. The device is locked! When I click
File->Load program, it works normally. Then, I can run the program using F5
button, but it seems (I think) that nothing will be loaded to the DSP and it
just use the old code to run. I mean I change the code, compile and load it into
the DSP from File-> Load Program but no changes will happen in the function
of the code! It is the second time it is happening to me! First time I changed
the DPS chip and soldered another one. But this time I don’t want to miss
the DSP, I want to know the reason! :(
Was it happened to any of you? How can I solve my problem?

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