Partially support PortentaX8

[facchinm]

May fix #37 @aentinger
Should be tested extensively on H7

[github-actions]

Memory usage change @ f31d126

Board	flash	%	RAM for global variables	%
arduino:mbed_portenta:envie_m7	🔺 +3320 - +3832	+0.42 - +0.49	🔺 +352 - +352	+0.07 - +0.07

Click for full report table

Board	examples/BreakoutRTCGet flash	%	examples/BreakoutRTCGet RAM for global variables	%	examples/BreakoutRTCSet flash	%	examples/BreakoutRTCSet RAM for global variables	%	examples/BreakoutWebServer flash	%	examples/BreakoutWebServer RAM for global variables	%	examples/GpioManagement flash	%	examples/GpioManagement RAM for global variables	%	examples/LM75BTemperature flash	%	examples/LM75BTemperature RAM for global variables	%	examples/PDMRootMeanSquare flash	%	examples/PDMRootMeanSquare RAM for global variables	%	examples/analogRead flash	%	examples/analogRead RAM for global variables	%	examples/analogWrite flash	%	examples/analogWrite RAM for global variables	%
arduino:mbed_portenta:envie_m7	3704	0.47	352	0.07	3704	0.47	352	0.07	3320	0.42	352	0.07	3704	0.47	352	0.07	3704	0.47	352	0.07	3384	0.43	352	0.07	3384	0.43	352	0.07	3832	0.49	352	0.07

Click for full report CSV

Board,examples/BreakoutRTCGet<br>flash,%,examples/BreakoutRTCGet<br>RAM for global variables,%,examples/BreakoutRTCSet<br>flash,%,examples/BreakoutRTCSet<br>RAM for global variables,%,examples/BreakoutWebServer<br>flash,%,examples/BreakoutWebServer<br>RAM for global variables,%,examples/GpioManagement<br>flash,%,examples/GpioManagement<br>RAM for global variables,%,examples/LM75BTemperature<br>flash,%,examples/LM75BTemperature<br>RAM for global variables,%,examples/PDMRootMeanSquare<br>flash,%,examples/PDMRootMeanSquare<br>RAM for global variables,%,examples/analogRead<br>flash,%,examples/analogRead<br>RAM for global variables,%,examples/analogWrite<br>flash,%,examples/analogWrite<br>RAM for global variables,%
arduino:mbed_portenta:envie_m7,3704,0.47,352,0.07,3704,0.47,352,0.07,3320,0.42,352,0.07,3704,0.47,352,0.07,3704,0.47,352,0.07,3384,0.43,352,0.07,3384,0.43,352,0.07,3832,0.49,352,0.07

[aentinger]

Hi @facchinm ☕ 👋

I'll test it ;)

[pennam]

@aentinger did you had the chance to test it?