Add Travis Continuous Integration to the repo

.travis-ci.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+
+# This script is triggered from the script section of .travis.yml
+# It runs the appropriate commands depending on the task requested.
+
+set -e
+
+CPP_LINT_URL="https://raw.githubusercontent.com/google/styleguide/gh-pages/cpplint/cpplint.py";
+
+# Libmodbus spelling tested and should be fixed upstream
+SPELLINGBLACKLIST=$(cat <<-BLACKLIST
+      -wholename "./.codespellignore" -or \
+      -wholename "./.git/*" -or \
+      -wholename "./src/libmodbus/*"
+BLACKLIST
+)
+
+if [[ $TASK = 'lint' ]]; then
+  # run the lint tool only if it is the requested task
+  # first check we've not got any generic NOLINTs
+  # count the number of generic NOLINTs
+  nolints=$(grep -IR NOLINT * | grep -v "NOLINT(" | wc -l)
+  if [[ $nolints -ne 0 ]]; then
+    # print the output for info
+    echo $(grep -IR NOLINT * | grep -v "NOLINT(")
+    echo "Found $nolints generic NOLINTs"
+    exit 1;
+  else
+    echo "Found $nolints generic NOLINTs"
+  fi;
+  # then fetch and run the main cpplint tool
+  wget -O cpplint.py $CPP_LINT_URL;
+  chmod u+x cpplint.py;
+  ./cpplint.py \
+    --filter=-legal/copyright,-readability/streams,-runtime/arrays \
+    $(find ./ \( -name "*.h" -or -name "*.cpp" \) | xargs)
+  if [[ $? -ne 0 ]]; then
+    exit 1;
+  fi;
+elif [[ $TASK = 'spellintian' ]]; then
+  # run spellintian only if it is the requested task, ignoring duplicate words
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of spellintian errors, ignoring duplicate words
+  spellingerrors=$(zrun spellintian $spellingfiles 2>&1 | grep -v "\(duplicate word\)" | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun spellintian $spellingfiles | grep -v "\(duplicate word\)"
+    echo "Found $spellingerrors spelling errors via spellintian, ignoring duplicates"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via spellintian, ignoring duplicates"
+  fi;
+elif [[ $TASK = 'spellintian-duplicates' ]]; then
+  # run spellintian only if it is the requested task
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of spellintian errors
+  spellingerrors=$(zrun spellintian $spellingfiles 2>&1 | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun spellintian $spellingfiles
+    echo "Found $spellingerrors spelling errors via spellintian"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via spellintian"
+  fi;
+elif [[ $TASK = 'codespell' ]]; then
+  # run codespell only if it is the requested task
+  spellingfiles=$(eval "find ./ -type f -and ! \( \
+      $SPELLINGBLACKLIST \
+      \) | xargs")
+  # count the number of codespell errors
+  spellingerrors=$(zrun codespell --check-filenames --quiet 2 --regex "[a-zA-Z0-9][\\-'a-zA-Z0-9]+[a-zA-Z0-9]" -L ser $spellingfiles 2>&1 | wc -l)
+  if [[ $spellingerrors -ne 0 ]]; then
+    # print the output for info
+    zrun codespell --check-filenames --quiet 2 --regex "[a-zA-Z0-9][\\-'a-zA-Z0-9]+[a-zA-Z0-9]" -L ser $spellingfiles
+    echo "Found $spellingerrors spelling errors via codespell"
+    exit 1;
+  else
+    echo "Found $spellingerrors spelling errors via codespell"
+  fi;
+else
+  platformio ci --lib="." --board=$BOARD
+fi

.travis.yml

@@ -0,0 +1,101 @@
+language: python
+python:
+  - "2.7"
+
+os: linux
+dist: trusty
+# Short duration job, use the container/without sudo image as it boots faster
+sudo: false
+# Use the latest Travis images since they are more up to date than the stable release.
+group: edge
+
+before_cache:
+  - rm -f $HOME/.cache/pip/log/debug.log # erase log
+
+cache:
+  directories:
+    - "~/.platformio"
+    - $HOME/.cache/pip # pip cache
+
+env:
+  global:
+   # Warnings are errors
+   - PLATFORMIO_BUILD_FLAGS="-Werror -Wno-error=deprecated-declarations"
+
+matrix:
+  fast_finish: true
+  include:
+    - env: BOARD=uno PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientKitchenSink
+    - env: BOARD=uno PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientToggle
+    - env: BOARD=uno PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerKitchenSink
+    - env: BOARD=uno PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerLED
+    - env: BOARD=uno PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUTemperatureSensor
+
+    - env: BOARD=diecimilaatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientKitchenSink
+    - env: BOARD=diecimilaatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientToggle
+    - env: BOARD=diecimilaatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerKitchenSink
+    - env: BOARD=diecimilaatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerLED
+    - env: BOARD=diecimilaatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUTemperatureSensor
+
+    - env: BOARD=pro16MHzatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientKitchenSink
+    - env: BOARD=pro16MHzatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientToggle
+    - env: BOARD=pro16MHzatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerKitchenSink
+    - env: BOARD=pro16MHzatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerLED
+    - env: BOARD=pro16MHzatmega328 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUTemperatureSensor
+
+    - env: BOARD=due PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientKitchenSink
+    - env: BOARD=due PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientToggle
+    - env: BOARD=due PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerKitchenSink
+    - env: BOARD=due PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerLED
+    - env: BOARD=due PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUTemperatureSensor
+
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientKitchenSink
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUClientToggle
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerKitchenSink
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUServerLED
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/RTU/ModbusRTUTemperatureSensor
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/TCP/WiFiModbusClientToggle
+    - env: BOARD=mkrwifi1010 PLATFORMIO_CI_SRC=examples/TCP/WiFiModbusServerLED
+
+    - os: linux
+      dist: trusty
+      # Short duration job, would use the container/without sudo image as it boots faster, but we need a backported lintian, so don't
+      sudo: required
+      env: TASK='spellintian'
+      addons:
+        apt:
+          packages:
+           - moreutils
+    - os: linux
+      dist: trusty
+      # Short duration job, would use the container/without sudo image as it boots faster, but we need a backported lintian, so don't
+      sudo: required
+      env: TASK='spellintian-duplicates'
+      addons:
+        apt:
+          packages:
+           - moreutils
+    - os: linux
+      dist: trusty
+      env: TASK='codespell'
+      addons:
+        apt:
+          packages:
+           - moreutils
+
+  allow_failures:
+    - os: linux
+      dist: trusty
+      env: TASK='spellintian-duplicates'
+
+before_install:
+ - if [ "$TASK" == "spellintian" -o "$TASK" == "spellintian-duplicates" ]; then sudo add-apt-repository ppa:waja/trusty-backports -y; sudo apt-get update -qq; sudo apt-get install lintian -y; fi # Install a late enough lintian
+
+install:
+  - if [ -z "$TASK" ]; then pip install --upgrade platformio; fi
+  - if [ -z "$TASK" ]; then platformio lib install "ArduinoRS485"; fi
+  - if [ -z "$TASK" -a "$BOARD" == "mkrwifi1010" ]; then platformio lib install "WiFiNINA"; fi
+  - if [ "$TASK" = "codespell" ]; then pip install --upgrade git+https://github.com/codespell-project/codespell.git; fi
+
+script:
+  - bash -ex .travis-ci.sh

README.adoc

@@ -1,3 +1,6 @@
+[caption="Build Status",link=https://travis-ci.com/arduino-libraries/ArduinoModbus]
+image::https://travis-ci.com/arduino-libraries/ArduinoModbus.svg?branch=master[Build Status]
+
 = Modbus Library for Arduino =
 
 Use http://www.modbus.org/[Modbus] with your Arduino. 

examples/RTU/ModbusRTUClientKitchenSink/ModbusRTUClientKitchenSink.ino

@@ -1,7 +1,7 @@
 /*
   Modbus RTU Client Kitchen Sink
 
-  This sketch creates a Modbus RTU Client and demostrates
+  This sketch creates a Modbus RTU Client and demonstrates
   how to use various Modbus Client APIs.
 
   Circuit:

examples/RTU/ModbusRTUServerKitchenSink/ModbusRTUServerKitchenSink.ino

@@ -1,7 +1,7 @@
 /*
   Modbus RTU Server Kitchen Sink
 
-  This sketch creates a Modbus RTU Server and demostrates
+  This sketch creates a Modbus RTU Server and demonstrates
   how to use various Modbus Server APIs.
 
   Circuit: