new platformio project

software/.gitignore

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+.pioenvs
+.piolibdeps
+
+# virtualenv
+bin/
+include/
+lib/
+local/
+share/

software/.travis.yml

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+# Continuous Integration (CI) is the practice, in software
+# engineering, of merging all developer working copies with a shared mainline
+# several times a day < http://docs.platformio.org/page/ci/index.html >
+#
+# Documentation:
+#
+# * Travis CI Embedded Builds with PlatformIO
+#   < https://docs.travis-ci.com/user/integration/platformio/ >
+#
+# * PlatformIO integration with Travis CI
+#   < http://docs.platformio.org/page/ci/travis.html >
+#
+# * User Guide for `platformio ci` command
+#   < http://docs.platformio.org/page/userguide/cmd_ci.html >
+#
+#
+# Please choice one of the following templates (proposed below) and uncomment
+# it (remove "# " before each line) or use own configuration according to the
+# Travis CI documentation (see above).
+#
+
+
+#
+# Template #1: General project. Test it using existing `platformio.ini`.
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# sudo: false
+# cache:
+#     directories:
+#         - "~/.platformio"
+#
+# install:
+#     - pip install -U platformio
+#
+# script:
+#     - platformio run
+
+
+#
+# Template #2: The project is intended to by used as a library with examples
+#
+
+# language: python
+# python:
+#     - "2.7"
+#
+# sudo: false
+# cache:
+#     directories:
+#         - "~/.platformio"
+#
+# env:
+#     - PLATFORMIO_CI_SRC=path/to/test/file.c
+#     - PLATFORMIO_CI_SRC=examples/file.ino
+#     - PLATFORMIO_CI_SRC=path/to/test/directory
+#
+# install:
+#     - pip install -U platformio
+#
+# script:
+#     - platformio ci --lib="." --board=ID_1 --board=ID_2 --board=ID_N

software/platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; http://docs.platformio.org/page/projectconf.html
+
+[env:lolin32]
+platform = espressif32
+board = lolin32
+framework = arduino

software/src/main.cpp

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+/*
+ * Blink
+ * Turns on an LED on for one second,
+ * then off for one second, repeatedly.
+ */
+
+#include <Arduino.h>
+
+#define LED_BUILTIN 13
+
+void setup()
+{
+  // initialize LED digital pin as an output.
+  pinMode(LED_BUILTIN, OUTPUT);
+}
+
+void loop()
+{
+  // turn the LED on (HIGH is the voltage level)
+  digitalWrite(LED_BUILTIN, HIGH);
+  // wait for a second
+  delay(1000);
+  // turn the LED off by making the voltage LOW
+  digitalWrite(LED_BUILTIN, LOW);
+   // wait for a second
+  delay(1000);
+}
+