Support of ESP32-H2

[VojtechBartoska]

This issue tracks support of ESP32-H2 SoC.

Support will be breakdown into subtasks later.

Main specifications of H2:
ESP32-H2 combines important connectivity technologies, such as IEEE 802.15.4 radio connectivity, which is vital to mesh architectures with low power consumption. ESP32-H2 also makes the Thread and Zigbee protocols available, thus addressing a variety of cases in application development. Furthermore, Bluetooth LE supports point-to-point, broadcast and mesh communication topologies, while it also enables the direct communication between a smartphone and an ESP32-H2-based device.

The combined availability of IEEE 802.15.4 and Bluetooth LE connectivity enables building devices for the Matter protocol, which intends to bring interoperability for smart-home devices.

[MacSass]

Just out of curiosity: Is my understanding correct that this ESP32-H2 Soc would not feature any WIFI capability?
As much as I can read, this is not part of IEEE 802.15.4, right?

[me-no-dev]

correct @MacSass no WiFi :)

[Suxsem]

We are starting to see ESP32-H2 being sold on aliexpress at a reasonable price, it has the potential to disrupt the IoT segment with zigbee and matter-over-thread support. Arduino IDE support will be the sparkle to have this board becoming massively popular through makers, please think about adding it!

[TD-er]

IMHO is the C6 way more interesting as it has both 802.15.4 and WiFi.

[VojtechBartoska]

@TD-er We will add support for both in Arduino ESP32 Core, C6 & H2.

[TD-er]

Great!
That means I could add support for both at the same time in my project.
Saves a lot of time.

[P-R-O-C-H-Y]

Table with Support overview

We will keep this table up to date.

Date of last update: 7.12.2023

ESP32-H2 Support Overview
Peripheral	Assignee	Testing	Updates	Comments
ADC	@P-R-O-C-H-Y	Waiting		Cali scheme merged to IDF v5.1.3
Ethernet SPI				In progress
GPIO	@P-R-O-C-H-Y	Fully OK
I2C (Slave & Master)	@P-R-O-C-H-Y	Fully OK
I2S				In progress
LEDC & PWM	@P-R-O-C-H-Y	Fully OK
RMT	@P-R-O-C-H-Y	Fully OK
SPI	@P-R-O-C-H-Y	Fully OK		tested by SD library
TWAI				run examples
Temp. Sensor	@P-R-O-C-H-Y	Fully OK
UART	@P-R-O-C-H-Y	Fully OK
USB Serial/JTAG	@P-R-O-C-H-Y	Fully OK
SigmaDelta	@P-R-O-C-H-Y	Fully OK
Timers (System/General-purpose)	@P-R-O-C-H-Y	Fully OK
General
Wi-Fi				not available
Bluetooth	@SuGlider			basic function OK
Bluetooth LE	@SuGlider			basic function OK
802.15.4 protocol				support missing
Thread				support missing
Zigbee	@P-R-O-C-H-Y	In progress		tracking issue
Power management	@SuGlider			under investigation

[229311JK]

I'd like to help w/this...