Add flash script for Linux (#40)

* Add flash script for Linux

* Add credit and link to github

flash/flash_ts100_linux.sh

@@ -0,0 +1,130 @@
+#!/bin/bash
+# TS100 Flasher for Linux by Alex Wigen (https://github.com/awigen)
+
+DIR_TMP="/tmp/ts100"
+
+function usage() {
+    echo
+    echo "#################"
+    echo "# TS100 Flasher #"
+    echo "#################"
+    echo
+    echo " Usage: $0 <HEXFILE>"
+    echo
+    echo "This script has been tested to work on Fedora."
+    echo "If you experience any issues please open a ticket at:"
+    echo "https://github.com/Ralim/ts100/issues/new"
+    echo
+}
+
+GAUTOMOUNT=0
+function disable_gautomount {
+    GSETTINGS=`which gsettings`
+    if [ $? -ne 0 ]; then
+        return 1
+    fi
+    gsettings get org.gnome.desktop.media-handling automount | grep true > /dev/null
+    if [ $? -eq 0 ]; then
+        GAUTOMOUNT=1
+        gsettings set org.gnome.desktop.media-handling automount false
+    fi
+}
+
+function enable_gautomount {
+    if [ "$GAUTOMOUNT" -ne 0 ]; then
+        gsettings set org.gnome.desktop.media-handling automount true
+    fi
+}
+
+function is_attached {
+    output=`lsblk -b --raw --output NAME,MODEL | grep 'DFU\\\\x20Disk'`
+    if [ $? -ne 0 ]; then
+      return 1
+    fi
+    DEVICE=`echo $output | awk '{print "/dev/"$1}'`
+}
+
+instructions="not printed"
+function wait_for_ts100 {
+    is_attached
+    while [ $? -ne 0 ]; do
+        if [ "$instructions" = "not printed" ]; then
+            echo
+            echo "#####################################################"
+            echo "#   Waiting for TS100 config disk device to appear  #"
+            echo "#                                                   #"
+            echo "# Connect the soldering iron with a USB cable while #"
+            echo "# holding the button closest to the tip pressed     #"
+            echo "#####################################################"
+            echo
+            instructions="printed"
+        fi
+        sleep 0.1
+        is_attached
+    done
+}
+
+function mount_ts100 {
+    mkdir -p "$DIR_TMP"
+    sudo mount -t msdos -o uid=$UID "$1" "$DIR_TMP"
+    if [ $? -ne 0 ]; then
+        echo "Failed to mount $DEVICE on $DIR_TMP"
+        exit 1
+    fi
+}
+
+function umount_ts100 {
+    mountpoint "$DIR_TMP" > /dev/null && sudo umount "$DIR_TMP"
+    if [ $? -ne 0 ]; then
+        echo "Failed to unmount $DIR_TMP"
+        exit 1
+    fi
+    rmdir "$DIR_TMP"
+}
+
+function cleanup {
+    enable_gautomount
+    if [ -d "$DIR_TMP" ]; then
+        umount_ts100
+    fi
+}
+trap cleanup EXIT
+
+if [ "$#" -ne 1 ]; then
+    echo "Please provide a HEX file to flash"
+    usage
+    exit 1
+fi
+
+if [ ! -f "$1" ]; then
+    echo "'$1' is not a regular file, please provide a HEX file to flash"
+    usage
+    exit 1
+fi
+
+if [ `head -c1 "$1"` != ":" ] || [ `tail -n1 "$1" | head -c1` != ":" ]; then
+    echo "'$1' doesn't look like a valid HEX file. Please provide a HEX file to flash"
+    usage
+    exit 1
+fi
+
+disable_gautomount
+
+wait_for_ts100
+echo "Found TS100 config disk device on $DEVICE"
+
+mount_ts100
+echo "Mounted config disk drive, flashing..."
+cp -v "$1" "$DIR_TMP/ts100.hex"
+sync
+
+echo "Waiting for TS100 to flash"
+sleep 5
+
+echo "Remounting config disk drive"
+umount_ts100
+wait_for_ts100
+mount_ts100
+
+echo "Flash result: "
+ls "$DIR_TMP"/ts100*