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