Search found 5 matches

by Chorus2020
Mon Jul 15, 2019 7:36 am
Forum: ESP32 IDF
Topic: Suddenly 'make' command stopped working
Replies: 5
Views: 587

Re: Suddenly 'make' command stopped working

Hi,

I decided to do a fresh install of MSYS and the idf; everything is working now. Hopefully I won't run into the same problem again. Not sure what actually when wrong!

thanks
by Chorus2020
Thu Jul 11, 2019 8:10 am
Forum: ESP32 IDF
Topic: Suddenly 'make' command stopped working
Replies: 5
Views: 587

Re: Suddenly 'make' command stopped working

Roland, Thank you for the reply. I've had a look in the project sdkconfg file and CONFIG_SDK_PYTHON variable does not exist. I did find CONFIG_PYTHON="python" which I tried changing to python2.7 but this did not work. I also tried adding PYTHON = python2.7 to the environment properties in Eclipse bu...
by Chorus2020
Wed Jul 10, 2019 4:51 pm
Forum: ESP32 IDF
Topic: Suddenly 'make' command stopped working
Replies: 5
Views: 587

Suddenly 'make' command stopped working

I've been working on a project for a few days and successfully running make commands and compiling the project in Eclipse. Suddenly this afternoon commands such as 'make menuconfig' stopped work and reporting this: $ make menuconfig /usr/bin/env: ‘python’: No such file or directory make: *** No rule...
by Chorus2020
Wed May 15, 2019 1:27 pm
Forum: General Discussion
Topic: SPI Latency
Replies: 2
Views: 452

Re: SPI Latency

I think I did not make it clear in my first post the reason why I transmit the data with 4 separate polling transmit calls. It's because after writing to channel A of the DACs the CS pin must go high to latch in the data. Then I can write to channel B and so on. GPIO 15 is just a debug pin, the CS i...
by Chorus2020
Wed May 15, 2019 9:08 am
Forum: General Discussion
Topic: SPI Latency
Replies: 2
Views: 452

SPI Latency

I'm using the SPI to communicate with 5 quad channel DACs connected as shown in the diagram. On a timer interrupt I write to all the DAC channels with successive spi_device_polling_transmits. This is required to latch the data into the DAC registers with the CS line. What I need to to is reduce the ...

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