https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-guides/external-ram.html#external-ram-config-bss

Additional data can be moved from the internal BSS segment to external RAM by applying the macro EXT_RAM_BSS_ATTR to any static declaration (which is not initialized to a non-zero ...

So does anyone know how to move the bss segment of a component (in this case main) into external ram? I seem to need to use a linker fragment, but not sure what extra directives or steps are needed, because I'm unfamiliar with the linker fragment.

Per-archive contributions to ELF file:
Archive ...

Hello,

Just wondering if this is the normal behaviour. We're trying to do frequency scaling to save some power, but noticed right off the bat that rtos0 and rtos1 both hold a CPU_FREQ_MAX power management lock, in what appears to be anytime they exit their idle hook.

Wouldn't that imply they ...

You can use some of static DRAM as IRAM instead, see:

https://docs.espressif.com/projects/esp ... 1-for-iram

Thanks for your reply, we are now on 5.1.5 but still see it. I've updated the ticket with a working crashing example.

https://github.com/espressif/esp-idf/issues/13605

It needs to work 100% of the time, crashing is not an option for us.

We really have no upgrade path with Espressif today...

I hate to admit it, but I agree. They upgrade one thing and remove another. It's slowly been turning into a Hodgepodge of micros.
The P4 had the best shot at having everything until they removed the WiFi. :roll:

I say just throw it all ...

The ESP32 Pico V3 - 02 has been perfect for us... For the iteration we would love to see the same, but with a spec bump across the board. The ESP32-V3 is already a fantastic chip, and esp-idf is top notch.

- Dual Core, 320 + Mhz
- At least 768K total SRAM
- Hard FPU
- WiFi 6/7 on 2.4/5/6 ...

A true successor to the ESP32, in my humble 2.5 cents (inflation!), from the perspective of an audio system, after having gone through a couple of prototypes with ESP32 and/or ESP32-S3:

Keep the APLL, it gives a cleaner MCLK than ESP32-S3 does. This helps with signal-to-noise ratio on DACs that ...

The ESP32 Pico V3 - 02 has been perfect for us... For the iteration we would love to see the same, but with a spec bump across the board. The ESP32-V3 is already a fantastic chip, and esp-idf is top notch.

- Dual Core, 320 + Mhz
- At least 768K total SRAM
- Hard FPU
- WiFi 6/7 on 2.4/5/6 Ghz ...

Hey all,

So it seems like interrupts while in light sleep are a no go, because the CPU's (ESP32 dual core) are clock gated. Simply put, the cores don't receive clock pules.

The only problem is we have an interrupt that is short and unlatched. It's just 2.5 uS in length. I tried to attach a light ...