Firmware developent status

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puff
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Re: Firmware developent status

Post by puff »

5ms timeout?
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Re: Firmware developent status

Post by AndreyB »

puff wrote:
Sun Feb 19, 2023 11:36 am
5ms timeout?
Please use more words
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Re: Firmware developent status

Post by puff »

there seems to be a 5 ms pause between these two bytes - could be a timeout
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Re: Firmware developent status

Post by AndreyB »

puff wrote:
Sun Feb 19, 2023 6:05 pm
there seems to be a 5 ms pause between these two bytes - could be a timeout
So we both see two bytes on the wire yet my code fails to read at least one byte. At the moment I would be happy to just read one byte. Not sure how is that 5ms relevant for my current cry for help to read one byte :(
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Re: Firmware developent status

Post by puff »

what's the schematics? which exactly wire is that? kline usually works at much higher levels (12v).
can it read bytes sent from usb-uart adapter?
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Re: Firmware developent status

Post by AndreyB »

Thank you!!! That's actually an amazing idea for me to try next.

It's https://github.com/rusefi/rusefi_documentation/raw/master/Hardware/Hellen/hellen125honda-a-schematic.pdf it already after the LIN transceiver so I show RX exactly how it goes into stm32. had to add a 1K pull-up since that's missing in the schematics at the moment
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Re: Firmware developent status

Post by puff »

"No LIN transceiver is fully compliant to the K-LINE, but compatible. You can see the difference from the document. So I think TJA1021 can work"
https://community.nxp.com/t5/MPC5xxx/TJA1021-K-LINE-compatibilty/td-p/550725
unfortunatelly, it's 403 for me.
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Re: Firmware developent status

Post by AndreyB »

rusEFI discovery, adafruit, secondary serial feature with perfect timing https://github.com/rusefi/rusefi/issues/5105 fix

9600 and 14400 works while 10400 does not work. Smells like uart configuration magic?!
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Re: Firmware developent status

Post by puff »

10400 is not supported by some usb-uart converters... (that's why people prefer ft232)
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Re: Firmware developent status

Post by AndreyB »

I got a chance to try my fake cheap eBay 16 channel logic analyzer! Looks like CP210x has performed as expected at 10400?

10400
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9600
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Re: Firmware developent status

Post by puff »

you can tell for sure by measuring the length of the start bit probably.
still, didn't get: it doesn't work even when bytes are sent from the usb-uart dongle? so, it's a firmware bug?
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Re: Firmware developent status

Post by AndreyB »

puff wrote:
Sun Feb 19, 2023 11:06 pm
you can tell for sure by measuring the length of the start bit probably.
still, didn't get: it doesn't work even when bytes are sent from the usb-uart dongle? so, it's a firmware bug?
As a test step I've decided to run proven and known to work TS protocol at 10400 not k-line connector. And at the moment TS protocol does NOT run at 10400 which makes me stretch my head and post https://forum.chibios.org/viewtopic.php?f=16&t=6194 wondering if I can blame stm32 or ChibiOS
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Re: Firmware developent status

Post by mck1117 »

please use a dedicated thread instead of clogging a pinned announcement thread
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Re: Firmware developent status

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mck1117 wrote:
Sun Feb 19, 2023 11:12 pm
pinned announcement thread
What pinned thread? What announcement thread?
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Re: Firmware developent status

Post by AndreyB »

Wow just wow.

The fix for https://github.com/rusefi/rusefi/issues/5354 turned out to be https://github.com/rusefi/rusefi/commit/1e43299eab2b2af033cb79d03446dbf07e4bd2c3

F4 does not seem to care. F7 cares deeply but compiled only throws us under the train at -Os optimization level.

Kudos @dron_gus for fixing.
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Re: Firmware developent status

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Re: Firmware developent status

Post by AndreyB »

Anyone with a Bluetooth board interested to test https://github.com/rusefi/rusefi/issues/5927?
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Re: Firmware developent status

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Time flies - it has been over three years since @mck1117 has contributed that amazing performance tracing!
@andreika has just fixed a defect reviving it and I've added a touch of usability.

I have some questions around high frequency CANbus processing with Lua let's see if PTrace would be the magic tool.
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Re: Firmware developent status

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@dbh97 has revamped the build scripts! I expect way less broken local proteus builds now.
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Re: Firmware developent status

Post by AndreyB »

ADC sample value just a bit above 12 bits, that's not what one would expect from stm32f7?

Do we have a wild memory overrun which just happens to touch ADC region? Are we not good at reading that ADC app note? Else?

That's https://github.com/rusefi/rusefi/issues/6376
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