Yea... ST, Nordic etc have been sleeping on the Wi-Fi, letting Espressif corner that market. They both now have standalone Wi-Fi ICs, but no MCUs still; and it took them a while to release the ICs.
It’s a shame. Nordic’s chips blow the ESPs out of the water in terms of power consumption. You can get an nRF bluetooth dongle to run for months/years off a coin cell, almost without trying. Getting an ESP32 to behave is much harder
IIRC their standalone wifi chip is pretty good even… just stick them together already c’mon.
I think Nordic etc. are resistant to telling people "if you want to use Wifi you must use FreeRTOS" or equivalent, so they push the two IC solution instead just so their Wifi stack is partitioned physically from the rest of your system.
It just pushes more integration headaches downstream to the customer, in addition to being inherently costlier. Espressif had the core right idea there, even if it's not the right decision for all designs.
I think they do this though... but it's Zephyr instead of FreeRTOS.
What I want is a Wi-Fi radio that just works like a normal part. No RTOS requirement. No framework or software libs required. Read the datasheet and go.
For some context: This is how LoRa radios work, and this is how Esp-Hosted (Official firmware from Espressif that turns the ESP into a radio IC "coprocessor") works.