Initial Travis CI support.

All the Tiva demos and testhal applications are built except the LWIP demo.

.travis.yml

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+language: c
+
+sudo: required
+
+before_install:
+  - chmod +x before_install.sh
+  - ./before_install.sh
+  
+script:
+  - chmod +x script.sh
+  - ./script.sh

before_install.sh

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+#!/bin/sh
+
+set -ex
+
+cd /tmp
+
+sudo apt-get install lib32z1
+wget https://launchpad.net/gcc-arm-embedded/4.9/4.9-2015-q3-update/+download/gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar.bz2
+tar xjf gcc-arm-none-eabi-4_9-2015q3-20150921-linux.tar.bz2
+export PATH=/tmp/gcc-arm-none-eabi-4_9-2015q3/bin:$PATH
+arm-none-eabi-gcc --version
+
+cd -
+cd ..
+
+mkdir ChibiOS-RT
+cd ChibiOS-RT
+git clone https://github.com/ChibiOS/ChibiOS.git .

script.sh

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+#!/bin/sh
+
+set -ex
+
+export PATH=/tmp/gcc-arm-none-eabi-4_9-2015q3/bin:$PATH
+
+git checkout -- .
+git clean -xfd
+make -C demos/TIVA/RT-TM4C123G-LAUNCHPAD
+
+git checkout -- .
+git clean -xfd
+make -C demos/TIVA/RT-TM4C1294-LAUNCHPAD
+
+# This demo needs LWIP, it is disabled for now.
+# git checkout -- .
+# git clean -xfd
+# make -C demos/TIVA/RT-TM4C1294-LAUNCHPAD-LWIP
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/EXT/
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/GPT
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/I2C
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/PWM
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/SPI
+
+git checkout -- .
+git clean -xfd
+make -C testhal/TIVA/TM4C123x/WDG