Initial travis pull from esp8266

.travis.yml

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+sudo: false
+language: bash
+os:
+  - linux
+
+addons:
+  apt:
+    sources:
+      - ubuntu-toolchain-r-test
+    packages:
+      - g++-4.8
+
+script:
+  - set -e
+  - export CXX="g++-4.8" CC="gcc-4.8" GCOV="gcov-4.8"
+  - echo -e "travis_fold:start:host_tests"
+  - pushd $TRAVIS_BUILD_DIR/tests/host
+  - make
+  - make clean-objects
+  - echo -e "travis_fold:end:host_tests"
+  - echo -e "travis_fold:start:sketch_test_env_prepare"
+  - popd
+  - wget -O arduino.tar.xz https://www.arduino.cc/download.php?f=/arduino-nightly-linux64.tar.xz
+  - tar xf arduino.tar.xz
+  - mv arduino-nightly $HOME/arduino_ide
+  - cd $HOME/arduino_ide/hardware
+  - mkdir espressif
+  - cd espressif
+  - ln -s $TRAVIS_BUILD_DIR esp32
+  - cd esp32/tools
+  - python get.py
+  - export PATH="$HOME/arduino_ide:$TRAVIS_BUILD_DIR/tools/xtensa-esp32-elf/bin:$PATH"
+  - which arduino
+  - cd $TRAVIS_BUILD_DIR
+  - source tools/common.sh
+  - install_libraries
+  - echo -e "travis_fold:end:sketch_test_env_prepare"
+  - echo -e "travis_fold:start:sketch_test"
+  - build_sketches $HOME/arduino_ide $TRAVIS_BUILD_DIR/libraries "-l $HOME/Arduino/libraries"
+  - echo -e "travis_fold:end:sketch_test"
+  - echo -e "travis_fold:start:size_report"
+  - cat size.log
+  - echo -e "travis_fold:end:size_report"
+
+notifications:
+  email:
+    on_success: change
+    on_failure: change
+  webhooks:
+    urls:
+      - https://webhooks.gitter.im/e/cb057279c430d91a47a8
+    on_success: change  # options: [always|never|change] default: always
+    on_failure: always  # options: [always|never|change] default: always
+    on_start: false     # default: false

tools/build.py

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+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# build.py — build a sketch using arduino-builder
+#
+# Wrapper script around arduino-builder which accepts some ESP8266-specific
+# options and translates them into FQBN
+#
+# Copyright © 2016 Ivan Grokhotkov
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+#
+
+
+from __future__ import print_function
+import sys
+import os
+import argparse
+import subprocess
+import tempfile
+import shutil
+
+def compile(tmp_dir, sketch, tools_dir, hardware_dir, ide_path, f, args):
+    cmd = ide_path + '/arduino-builder '
+    cmd += '-compile -logger=human '
+    cmd += '-build-path "' + tmp_dir + '" '
+    cmd += '-tools "' +  ide_path + '/tools-builder" '
+    if args.library_path:
+        for lib_dir in args.library_path:
+            cmd += '-libraries "' + lib_dir + '" '
+    cmd += '-hardware "' + ide_path + '/hardware" '
+    if args.hardware_dir:
+        for hw_dir in args.hardware_dir:
+            cmd += '-hardware "' + hw_dir + '" '
+    else:
+        cmd += '-hardware "' + hardware_dir + '" '
+    # Debug=Serial,DebugLevel=Core____
+    cmd += '-fqbn=espressif:esp32:{board_name}:' \
+            'FlashFreq={flash_freq},' \
+            'UploadSpeed=921600'
+    cmd += ' '
+    cmd += '-ide-version=10607 '
+    cmd += '-warnings={warnings} '.format(**vars(args))
+    if args.verbose:
+        cmd += '-verbose '
+    cmd += sketch
+
+    if args.verbose:
+        print('Building: ' + cmd, file=f)
+
+    cmds = cmd.split(' ')
+    p = subprocess.Popen(cmds, stdout=f, stderr=subprocess.STDOUT)
+    p.wait()
+    return p.returncode
+
+def parse_args():
+    parser = argparse.ArgumentParser(description='Sketch build helper')
+    parser.add_argument('-v', '--verbose', help='Enable verbose output',
+                        action='store_true')
+    parser.add_argument('-i', '--ide_path', help='Arduino IDE path')
+    parser.add_argument('-p', '--build_path', help='Build directory')
+    parser.add_argument('-l', '--library_path', help='Additional library path',
+                        action='append')
+    parser.add_argument('-d', '--hardware_dir', help='Additional hardware path',
+                        action='append')
+    parser.add_argument('-b', '--board_name', help='Board name', default='esp32')
+    parser.add_argument('-w', '--warnings', help='Compilation warnings level',
+                        default='none', choices=['none', 'all', 'more'])
+    parser.add_argument('-o', '--output_binary', help='File name for output binary')
+    parser.add_argument('-k', '--keep', action='store_true',
+                        help='Don\'t delete temporary build directory')
+    parser.add_argument('--flash_freq', help='Flash frequency', default=40,
+                        type=int, choices=[40, 80])
+    parser.add_argument('sketch_path', help='Sketch file path')
+    return parser.parse_args()
+
+def main():
+    args = parse_args()
+
+    ide_path = args.ide_path
+    if not ide_path:
+        ide_path = os.environ.get('ARDUINO_IDE_PATH')
+        if not ide_path:
+            print("Please specify Arduino IDE path via --ide_path option"
+                  "or ARDUINO_IDE_PATH environment variable.", file=sys.stderr)
+            return 2
+
+    sketch_path = args.sketch_path
+    tmp_dir = args.build_path
+    created_tmp_dir = False
+    if not tmp_dir:
+        tmp_dir = tempfile.mkdtemp()
+        created_tmp_dir = True
+
+    tools_dir = os.path.dirname(os.path.realpath(__file__)) + '/../tools'
+    # this is not the correct hardware folder to add.
+    hardware_dir = os.path.dirname(os.path.realpath(__file__)) + '/../cores'
+
+    output_name = tmp_dir + '/' + os.path.basename(sketch_path) + '.bin'
+    if args.verbose:
+        print("Sketch: ", sketch_path)
+        print("Build dir: ", tmp_dir)
+        print("Output: ", output_name)
+
+    if args.verbose:
+        f = sys.stdout
+    else:
+        f = open(tmp_dir + '/build.log', 'w')
+
+    res = compile(tmp_dir, sketch_path, tools_dir, hardware_dir, ide_path, f, args)
+    if res != 0:
+        return res
+
+    if args.output_binary is not None:
+        shutil.copy(output_name, args.output_binary)
+
+    if created_tmp_dir and not args.keep:
+        shutil.rmtree(tmp_dir, ignore_errors=True)
+
+if __name__ == '__main__':
+    sys.exit(main())

tools/common.sh

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+#!/usr/bin/env bash
+
+function print_size_info()
+{
+    elf_file=$1
+
+    if [ -z "$elf_file" ]; then
+        printf "sketch                       data     rodata   bss      text     irom0.text   dram     flash\n"
+        return 0
+    fi
+
+    elf_name=$(basename $elf_file)
+    sketch_name="${elf_name%.*}"
+    # echo $sketch_name
+    declare -A segments
+    while read -a tokens; do
+        seg=${tokens[0]}
+        seg=${seg//./}
+        size=${tokens[1]}
+        addr=${tokens[2]}
+        if [ "$addr" -eq "$addr" -a "$addr" -ne "0" ] 2>/dev/null; then
+            segments[$seg]=$size
+        fi
+
+
+    done < <(xtensa-esp32-elf-size --format=sysv $elf_file)
+
+    total_ram=$((${segments[data]} + ${segments[rodata]} + ${segments[bss]}))
+    total_flash=$((${segments[data]} + ${segments[rodata]} + ${segments[text]} + ${segments[irom0text]}))
+
+    printf "%-28s %-8d %-8d %-8d %-8d %-8d     %-8d %-8d\n" $sketch_name ${segments[data]} ${segments[rodata]} ${segments[bss]} ${segments[text]} ${segments[irom0text]} $total_ram $total_flash
+    return 0
+}
+
+function build_sketches()
+{
+    set +e
+    local arduino=$1
+    local srcpath=$2
+    local build_arg=$3
+    local build_dir=build.tmp
+    mkdir -p $build_dir
+    local build_cmd="python tools/build.py -b generic -v -k -p $PWD/$build_dir $build_arg "
+    local sketches=$(find $srcpath -name *.ino)
+    print_size_info >size.log
+    export ARDUINO_IDE_PATH=$arduino
+    for sketch in $sketches; do
+        rm -rf $build_dir/*
+        local sketchdir=$(dirname $sketch)
+        local sketchdirname=$(basename $sketchdir)
+        local sketchname=$(basename $sketch)
+        if [[ "${sketchdirname}.ino" != "$sketchname" ]]; then
+            echo "Skipping $sketch, beacause it is not the main sketch file";
+            continue
+        fi;
+        if [[ -f "$sketchdir/.test.skip" ]]; then
+            echo -e "\n ------------ Skipping $sketch ------------ \n";
+            continue
+        fi
+        echo -e "\n ------------ Building $sketch ------------ \n";
+        # $arduino --verify $sketch;
+        echo "$build_cmd $sketch"
+        time ($build_cmd $sketch >build.log)
+        local result=$?
+        if [ $result -ne 0 ]; then
+            echo "Build failed ($1)"
+            echo "Build log:"
+            cat build.log
+            return $result
+        fi
+        rm build.log
+        print_size_info $build_dir/*.elf >>size.log
+    done
+    set -e
+}
+
+function install_libraries()
+{
+    mkdir -p $HOME/Arduino/libraries
+    pushd $HOME/Arduino/libraries
+
+    # install ArduinoJson library
+    #wget https://github.com/bblanchon/ArduinoJson/releases/download/v4.6.1/ArduinoJson-v4.6.1.zip && unzip ArduinoJson-v4.6.1.zip
+
+    popd
+}