LinHES-system: more work with change_channel.sh

This version uses getops instead of position based.
-d delay
-c channel
-n transmitter #
-s key to send after the channel, like Enter

1 files changed, 150 insertions, 55 deletions

diff --git a/abs/core/LinHES-system/change_channel.sh b/abs/core/LinHES-system/change_channel.sh
index 819076a..3337785 100755
--- a/abs/core/LinHES-system/change_channel.sh
+++ b/abs/core/LinHES-system/change_channel.sh
@@ -1,71 +1,166 @@
-#!/bin/sh
+#!/bin/bash
 # Maintained by CommandIR Support mini at commandir.com - Comments / Suggestions Welcome.
 # Modified for LinHES specifics
-echo $@ > /tmp/change_channel.log
-if [ $# -lt 2 ]
-then
-  echo "IR Control Script for LIRC V2.0
-Includes support for CommandIR transmitter selection and lockfile.
-The remote codes will be specific to the transmitter number  and matched via /etc/systemconfig
-Usage:
-$0 TRANSMITTER_NUM (CHANNEL_NUMBER | IR_COMMAND) [DELAY]
-
-Sends an IR command or sequence of numbers using REMOTE_NAME via emitter
-TRANSMITTER_NUM.  DELAY (in seconds) is waited between sending IR commands.
-
-Example:  Change to channel 123 using emitter 2 with a 0.3s pause between digits:
-$0 1 123 .3
-
-"
-  exit 1
-fi
-
-if [ $# -eq 3 ]
-then
- DELAY=$3
-else
- DELAY=.2
-fi
 
+echo $@ > /tmp/change_channel.log
 . /etc/systemconfig
-
-
 LOCKFILE=/tmp/lirclock
 export PATH=/bin:/usr/bin:/usr/local/bin
 
-TRANSMITTER=$1
-#get remote name from system config
-tname="HostTransmitproto_$TRANSMITTER"
-REMOTE_NAME=${!tname}
-if [ x$REMOTE_NAME = "xnone" ]
-then
-  echo "Please define Transmitters in /etc/systemconfig"
-  exit 1
-fi
 
-cmd="$2"
 
 
+function change_channel() {
+    touch $LOCKFILE
+    irsend SET_TRANSMITTERS $TRANSMITTER
+    sleep .15
+    case $cmd in
+        [0-9]*)
+            for digit in $(echo $cmd | sed -e 's/./& /g')
+            do
+                irsend SEND_ONCE $REMOTE_NAME $digit
+                sleep $DELAY
+            done
+            if [ x$SENDKEY != "x" ]
+            then
+                irsend SEND_ONCE $REMOTE_NAME $SENDKEY
+            fi
+
+        ;;
+
+        *)
+            irsend SEND_ONCE $REMOTE_NAME $cmd
+            ;;
+    esac
+}
+
+function showhelp(){
+        echo "IR Control Script for LIRC
+        Includes support for CommandIR transmitter selection and lockfile.
+        The remote codes will be specific to the transmitter number  and matched via /etc/systemconfig
+        Usage:
+        $0 -d delay -c channel -n transmitter_number -s Enter
+
+        -d delay in tenths of a seconds -
+        -c channel or cmd
+        -n transmitter_number
+        -s Key to send after executing change channel command (optional)
+
+        Sends an IR command or sequence of numbers using via emitter TRANSMITTER_NUM.
+        DELAY ( in 10th of seconds) is waited between sending IR commands.
+
+        Example:  Change to channel 123 using emitter 2 with a 0.3s pause between digits:
+        $0 -n1 -c123 -d3
+
+        "
+        exit 1
+
+
+}
+
+function testvars() {
+    if [ x$DELAY = "x" ]
+    then
+        tdelay="HostTransmitDelay_$TRANSMITTER"
+        d=${!tdelay}
+        DELAY=$(echo "scale=2; $d / 10" | bc)
+    fi
+
+
+    if [ x$cmd = "x" ]
+    then
+        echo "-c is mandatory"
+        exit 1
+    fi
+
+
+    if [ x$TRANSMITTER = "x" ]
+    then
+        echo "-n is mandatory"
+        exit 1
+    fi
+      echo "delay is $DELAY"
+
+
+#     echo "channel or button name is $cmd"
+#     echo "Using transmitter $TRANSMITTER"
+#     echo "Remote name is $REMOTE_NAME"
+#     echo "Will send key $SENDKEY after numbers"
+}
+
+
+#-----------------------------Main Program-----------------------
+
+while getopts ":d:c:n:hs:" opt; do
+  case $opt in
+    h) showhelp
+      ;;
+    d) DELAY=$(echo "scale=2; $OPTARG / 10" | bc)
+      ;;
+
+    c) cmd=$OPTARG
+      ;;
+
+    n) TRANSMITTER=$OPTARG
+       tname="HostTransmitproto_$TRANSMITTER"
+       REMOTE_NAME=${!tname}
+       if [ x$REMOTE_NAME = "xnone" ]
+       then
+            echo "Please define Transmitters in /etc/systemconfig"
+            exit 1
+       fi
+       if [ x$REMOTE_NAME = "x" ]
+       then
+        echo "Please define Transmitters in /etc/systemconfig"
+        exit 1
+       fi
+
+      ;;
+
+    s) SENDKEY=$OPTARG
+      ;;
+
+    \?)
+      echo
+      echo "Invalid option: -$OPTARG" >&2
+      exit 1
+      ;;
+    :)
+      echo
+      echo "Option -$OPTARG requires an argument." >&2
+      exit 1
+      ;;
+  esac
+done
+
+testvars
 while [ -f $LOCKFILE ]
 do
-  echo "Waiting for change channel lock file..."
-  sleep .1
+   echo "Waiting for change channel lock file..."
+   sleep .1
 done
 
-touch $LOCKFILE
+change_channel
+rm -f /tmp/lirclock
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
 
-irsend SET_TRANSMITTERS $TRANSMITTER
-sleep .15
-case $cmd in
-    [0-9]*)
-    for digit in $(echo $2 | sed -e 's/./& /g'); do
-        irsend SEND_ONCE $REMOTE_NAME $digit
-        sleep $DELAY
-    done
-    ;;
 
-    *)
-        irsend SEND_ONCE $REMOTE_NAME $cmd
-        ;;
-esac
-rm -f /tmp/lirclock
\ No newline at end of file