Is it possible to run a mesh with a fixed root node that has an ethernet connection rather than a connection to a Wi-Fi router? Details: Ethernet has IP hosts on subnet X Mesh has IP nodes also on subnet X Fixed mesh root node has an Ethernet port (~WIZ5500) and enables IP communication between any ...

(IDF: 3.2.2) I have a task running in a tight loop calling xPortGetFreeHeapSize() to monitor heap levels for my application. Most of my heap is statically allocated at start-up; cJSON and libesphttpd are the main dynamic users of heap memory, and they are working quite hard: My UI is in HTTP/JS, and...

Hi Igrr, I've taken another look; It's the CAN driver I'm using. I believe it is a VP230 (hard to read to confirm authenticity) and is supposed to run at 3.3v, but for whatever reason, it doesn't. I have switched to a TJA1051 which is working fine. I found a post elsewhere that indicated a lack of C...

Hi Igrr
Thanks for the reply. All details is first job for (my) tomorrow...
Good to know it should work and may just be me.
Si.

CAN IDF API calls work fine, but there is no subsequent CAN signalling on Pico. Can anyone confirm that the Pico chip is missing the bits required for CAN please? If so, this should probably be made clear in the Pico documentation, I certainly hadn't realised until way too late :shock: ! Anything el...

Thanks, I stand corrected, it's been a while since I last worked with SPI.
Ok. I just looked up the Arduino function and it looks basically the same. Maybe a small delay between bytes. Sorry, not much help.
Cheers,
Si.

Hi,
I don't think you have set the transaction buffers up properly.
transaction.rx_buffer
transaction.tx_buffer
Need to point at some pre-allocated memory of the required size.
At the moment transaction.tx_data etc will be pointing at memory address 0
Si
[EDIT] I'm wrong on this

Thanks chegewara and fly123, I'm getting there now.
Si.

mmmm, it pays to browse: I must look into this. I am toggling gpio for steppers within an ISR, and motor controllers vary in signal polarity for en, step and direction. So I am using this all over the code: #define GPIO_ON(gpioreg, inverse) \ if (inverse) \ GPIO.out_w1tc = gpioreg; \ else \ GPIO.out...

I'm using a libeshttpd fork for my projects https://github.com/chmorgan/libesphttpd

Also: the ESP-IDF has an http server component, example here https://github.com/espressif/esp-idf/tr ... ttp_server - I haven't used it yet but it looks pretty good.