PlatformIO - options for T-Pico

[jimemo]

This is how to get the T-PicoC3 (or any other Raspberry Pico board) working on PIO.

This makes use of the same 'earlephilhower arduino-pico core' that is available in Arduino IDE, however this core is not fully supported (yet) on PlatformIO and is waiting for this pull request: platformio/platform-raspberrypi#36

In the meantime here are the steps to create your project: https://github.com/earlephilhower/arduino-pico/blob/master/docs/platformio.rst

Here is my platformio.ini file:

[env:pico]
platform = https://github.com/maxgerhardt/platform-raspberrypi.git
board = pico
board_build.core = earlephilhower
framework = arduino
build_flags = 
	-I ../include
lib_deps = 
	khoih-prog/ESP_AT_Lib@^1.4.1

To connect to the T-PicoC3 via UART for Wifi I am using this excellent library (installed by PIO GUI): https://github.com/khoih-prog/ESP_AT_Lib
Note that there is a workaround required to access Serial2 and TX-8, RX-9 on the T-Pico device. It's explained here: khoih-prog/ESP_AT_Lib#4

[mmMicky]

It is an excellent introductory programming tutorial. Can you authorize me to put this on the readme page.

[jimemo]

Yes go ahead @mmMicky . You can tag me in it.

[jimemo]

@mmMicky I've updated the instructions, please update the readme file.

[mmMicky]

@jimemo I modified a small part of it according to my understanding and updated to readme. Thanks again for your contribution to T-PICOC3.