Try to build against PIO (#598)

.travis.yml

@@ -24,6 +24,16 @@ jobs:
       stage: build
       script: bash $TRAVIS_BUILD_DIR/travis/build.sh esp8266
 
+    - name: "Build Platformio ESP32"
+      if: tag IS blank AND (type = pull_request OR (type = push AND branch = master))
+      stage: build
+      script: bash $TRAVIS_BUILD_DIR/travis/build-pio.sh esp32dev
+
+    - name: "Build Platformio ESP8266"
+      if: tag IS blank AND (type = pull_request OR (type = push AND branch = master))
+      stage: build
+      script: bash $TRAVIS_BUILD_DIR/travis/build-pio.sh esp12e
+
 notifications:
   email:
     on_success: change

travis/build-pio.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+
+BOARD=$1
+
+echo -e "travis_fold:start:install_pio"
+pip install -U platformio
+
+platformio lib install https://github.com/bblanchon/ArduinoJson.git
+
+case $BOARD in
+esp32dev)
+  platformio lib -g install https://github.com/me-no-dev/AsyncTCP.git
+  ;;
+esp12e)
+  platformio lib -g install https://github.com/me-no-dev/ESPAsyncTCP.git || true
+  ;;
+esac
+echo -e "travis_fold:end:install_pio"
+
+echo -e "travis_fold:start:test_pio"
+for EXAMPLE in $PWD/examples/*/*.ino; do
+    platformio ci $EXAMPLE -l '.' -b $BOARD
+done
+echo -e "travis_fold:end:test_pio"