Search found 63 matches

by squonk11
Fri Jan 11, 2019 2:35 pm
Forum: ESP32 IDF
Topic: SPI transaction interval
Replies: 4
Views: 1684

Re: SPI transaction interval

Hello, I read that you suggest to read bytes from the slave SPI via polling: -Using polling, if you don't mind the CPU being busy while waiting, rather than go do something else. Do you have sample code for that? AFAIK Espressif is currently only supplying a driver SW which is suffering from a desig...
by squonk11
Wed Jan 09, 2019 7:45 pm
Forum: Hardware
Topic: SPI slave driver, last 4 Bytes missing (using DMA)
Replies: 15
Views: 5445

Re: SPI slave driver, last 4 Bytes missing (using DMA)

@trancefreak : did you find a solution or workaround for this problem? Unfortunately I encounter the same problem... :(
by squonk11
Wed Jan 09, 2019 7:40 pm
Forum: ESP32 IDF
Topic: [SPI Slave] lost rx_buffer data after spi_slave_transmit
Replies: 3
Views: 1320

Re: [SPI Slave] lost rx_buffer data after spi_slave_transmit

@paul719 : did you find a solution for this problem? I am having the same problem. Is there some workaround?
by squonk11
Tue Jan 08, 2019 5:13 pm
Forum: ESP32 IDF
Topic: SPI slave design flaw
Replies: 2
Views: 1082

Re: SPI slave design flaw

In the driver source for the SPI interface I see in spi_common.c :

Code: Select all

/*
Code for workaround for DMA issue in ESP32 v0/v1 silicon
*/
Does this imply that there might be a v2 silicon in progress which fixes this problem?
by squonk11
Mon Jan 07, 2019 2:28 pm
Forum: ESP32 IDF
Topic: Compilation problem with CMake build system under Windows 7
Replies: 7
Views: 2329

Re: Compilation problem with CMake build system under Windows 7

no, also this does not help; no output.
I also put

Code: Select all

print "Hello"
before and after the import lines; but also this does not produce any output.
by squonk11
Mon Jan 07, 2019 11:02 am
Forum: General Discussion
Topic: What would you like to see in The Next Chip?
Replies: 372
Views: 151402

Re: What would you like to see in The Next Chip?

These are the suggestions from my side: SPI interface without the "design peculiarity" of the existing ESP32; maybe you have a bug-fix version for the ESP32 soon? I found out that the filter functionality of the SPI interface is very helpful for more robust EMC behaviour. So, my suggestion would be ...
by squonk11
Mon Jan 07, 2019 8:58 am
Forum: ESP32 IDF
Topic: Compilation problem with CMake build system under Windows 7
Replies: 7
Views: 2329

Re: Compilation problem with CMake build system under Windows 7

This, indeed, is a strange thing on my PC: In the file associations I see that it is linked with pythonw.exe (which surely is wrong). But I am not able to change this setting - even not as administrator level. But: when I look into the registry (HKEY_CLASSES_ROOT) I see that ".py" is linked to "Pyth...
by squonk11
Sun Jan 06, 2019 12:40 am
Forum: ESP32 IDF
Topic: SPI slave design flaw
Replies: 2
Views: 1082

Re: SPI slave design flaw

Unfortunately this topic is becoming a bigger problem for me. Isn't there any workaround; even if it is a crazy solution like polling of incomming data???
Please help!
by squonk11
Fri Jan 04, 2019 2:25 pm
Forum: ESP32 IDF
Topic: Compilation problem with CMake build system under Windows 7
Replies: 7
Views: 2329

Re: Compilation problem with CMake build system under Windows 7

Now I was able to advance a little bit on this topic: In general I am having the problem on the windows 7 machine that the invocation of "idf.py build" has exactly no output like so: C:\Users\de527\esp\blink>idf.py build C:\Users\de527\esp\blink> also invoking idf.py without any arguments has not ou...
by squonk11
Thu Jan 03, 2019 10:06 pm
Forum: General Discussion
Topic: MSYS2 is slow on Windows 10
Replies: 30
Views: 13579

Re: MSYS2 is slow on Windows 10

Both German.
Maybe that is the problem? How can I switch to English - just for test?

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