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Author Topic: BT817 status register  (Read 562 times)

jctibor

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BT817 status register
« on: October 04, 2024, 02:44:57 PM »
Hello brt comminity,

i am working on project which is some kind of medical plasma high voltage generator. The spark produces a lot of EMI noise and diplay sometimes stucks. I need to investigate where is the problem and do proper EMC and SW hooks to solve it. My vision is to read some error or status registers and based on it do a proper action. Is there something like that? I am looking into datasheets and prog. guides but i cant find anythink like that. Can somebody suggest me something?

Best regards.
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BRT Community

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Re: BT817 status register
« Reply #1 on: October 04, 2024, 05:05:02 PM »
Hello,

Thank you for your question.

The BT81x series co-processor engine can encounter faults, and fault conditions can be read back from an area in RAM, please see section 5.7 of the BRT_AN_033 BT81X Series Programming Guide. A fault recovery procedure can also be found within this section of the programmers guide.

In the first instance I would verify if a co-processor fault has occurred, after this you can also verify that the REG_FRAMES register is still incrementing as this indicates how many frames have been rendered to out to the LCD, which will give you and indication if EVE is still outputting to the screen, if this is not the case you could perform a reset on the IC.


Best Regards,
BRT Community
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