mdw@git.distorted.org.uk Git - termux-packages/blob - packages/termux-api/termux-infrared-transmit

   1 #!/bin/sh
   2 set -e -u
   3
   4 SCRIPTNAME=termux-infrared-transmit
   5 show_usage () {
   6     echo "Usage: $SCRIPTNAME -f frequency pattern"
   7     echo "Transmit an infrared pattern. The pattern is specified in comma-separated on/off intervals, such as '20,50,20,30'. Only patterns shorter than 2 seconds will be transmitted."
   8     echo ""
   9     echo "  -f frequency  IR carrier frequency in Hertz"
  10     echo ""
  11     exit 0
  12 }
  13
  14 FREQUENCY=""
  15 while getopts :hf: option
  16 do
  17     case "$option" in
  18         h) show_usage;;
  19         f) FREQUENCY="--ei frequency $OPTARG";;
  20         ?) echo "$SCRIPTNAME: illegal option -$OPTARG"; exit 1;
  21     esac
  22 done
  23 shift $(($OPTIND-1))
  24
  25 if [ -z "$FREQUENCY" ]; then echo "$SCRIPTNAME: No frequency specified"; exit 1; fi
  26
  27 if [ $# -lt 1 ]; then echo "$SCRIPTNAME: too few arguments"; exit 1; fi
  28 if [ $# -gt 1 ]; then echo "$SCRIPTNAME: too many arguments"; exit 1; fi
  29
  30 @TERMUX_API@ InfraredTransmit $FREQUENCY --eia pattern $1