restore ESPNow to some functionality#11075
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ESPNow was broken on ESP32-S3 as of the ESP-IDF v6.0.1 upgrade, and was failing on other boards earlier.
This restores it to working at least to some extent.
The new way to set the
phy_rateis withesp_now_set_peer_rate_config(). However, this function is poorly documented (I opened espressif/esp-idf#18766), and the settings for the passed struct are not documented.To fix this for now, I just commented out the ability to set the
phy_rate, leaving it at the default 1Mbps. I added documentation to point out setting thephy_ratedoes nothing for now.Also note that
esp_now_set_peer_rate_config()should be called afteresp_now_init(). It was being called before.I tested with an ESP32-S3 broadcasting and and ESP32-C6 receiving, using the example code in https://learn.adafruit.com/esp-now-in-circuitpython/code-esp-now.
@todbot for interest.