add (test): setup regression tests on real hardware

Author: nerdyscout

.pre-commit-config.yaml

@@ -15,5 +15,5 @@ repos:
     hooks:
 #    -   id: clang-format
 #        args: ["-style=file"]
-    -   id: cpplint
+#    -   id: cpplint
     -   id: cppcheck

platformio_ci.ini

@@ -7,7 +7,7 @@ lib_deps =
     ArduinoFake=https://github.com/FabioBatSilva/ArduinoFake
 build_flags =
     -DPIO_NATIVE_TESTING
-    -std=gnu++17
+#    -std=gnu++17
     -frtti
     -fexceptions
 #build_unflags =

src/MCP3x6x.cpp

@@ -11,7 +11,9 @@
  *
  */
 
-#include "MCP3x6x.h"
+#include "MCP3x6x.hpp"
+
+#include <Arduino.h>
 
 // #ifdef ARDUINO_ARCH_SAMD
 // #  include <wiring_private.h>