Sample text and API query working.

platformio.ini

@@ -13,5 +13,7 @@ platform = https://github.com/maxgerhardt/platform-raspberrypi.git
 board = rpipicow
 framework = arduino
 monitor_speed = 115200
-build_flags = -I include
-build_src_filter = +<main.c> +<pico_arduino.cpp>
+build_flags =
+    -I include
+    -DPIO_FRAMEWORK_ARDUINO_ENABLE_FREERTOS
+build_src_filter = +<main.cpp>