Search found 4 matches

by Brindha P
Fri Jul 25, 2025 5:13 am
Forum: General Discussion
Topic: SPI slave chip select
Replies: 0
Views: 87

SPI slave chip select

When ESP32 is configured as SPI slave connected with STM32 SPI Master , when chip select is made always low I couldn't receive data in ESP32 when chip select made low and high for every transaction I can receive data correctly from STM32. When the chip select is always low ESP32 slave is not ...
by Brindha P
Tue Jul 08, 2025 7:02 am
Forum: ESP-IDF
Topic: How can I receive continuously with SPI into a circular buffer?
Replies: 11
Views: 3430

Re: How can I receive continuously with SPI into a circular buffer?

Hi,
Thanks for the reply @FozzTexx . I have ESP-IDF version5.3.1
by Brindha P
Wed Jul 02, 2025 11:20 am
Forum: ESP-IDF
Topic: How can I receive continuously with SPI into a circular buffer?
Replies: 11
Views: 3430

Re: How can I receive continuously with SPI into a circular buffer?

Hi,
I want to receive data continuously with SPI into a circular buffer. I tried using your code @FozzTexx
I cant find a member like this hw->dma_conf.dma_continue , could you help with this. Thank you!
by Brindha P
Wed Jul 02, 2025 10:58 am
Forum: ESP-IDF
Topic: How to configure SPI DMA in circular mode in ESP32S3 WROOM-1 using ESP-IDF
Replies: 0
Views: 36

How to configure SPI DMA in circular mode in ESP32S3 WROOM-1 using ESP-IDF

Hi,
I would like to know is it possible to configure Circular DMA for SPI to receive continuous data in slave mode without CPU intervention?

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