raspberrypi_gpio_relay_licht/mswitch.cgi

   1 #!/bin/zsh
   2
   3 VALID_ONOFF_IDS=(4 17 18 21 22 23)
   4 GPIOPATH=/sys/class/gpio/gpio
   5 local -A GPIOS
   6 for QUERY in `echo $QUERY_STRING | tr '&' ' '`; do
   7   for VALIDID in $VALID_ONOFF_IDS; do
   8     if [ "$QUERY" = "$VALIDID=1" ]; then
   9       GPIOS[$VALIDID]=1
  10     elif [ "$QUERY" = "$VALIDID=0" ]; then
  11       GPIOS[$VALIDID]=0
  12     fi
  13   done
  14   if [ "$QUERY" = "mobile=1" ]; then
  15     MOBILE='1'
  16     NOFLOAT='1'
  17   elif [ "$QUERY" = "nofloat=1" ]; then
  18     NOFLOAT='1'
  19   fi
  20 done
  21
  22
  23 print_gpio_state() {
  24   GPIOVALUE=$(cat "${GPIOPATH}${1}/value")
  25   if [[ $GPIOVALUE == "0" ]]; then
  26     echo -n "true"
  27   else
  28     echo -n "false"
  29   fi
  30 }
  31
  32 gpio_is_on() {
  33   GPIOVALUE=$(cat "${GPIOPATH}${1}/value")
  34   [ "$GPIOVALUE" = "0" ]
  35 }
  36
  37 echo "Content-type: text/html"
  38 echo ""
  39
  40 local -a GPIOSTATES
  41 for CHECKID in $VALID_ONOFF_IDS; do
  42   VAL=$GPIOS[$CHECKID]
  43   if [[ $VAL == 1 || $VAL == 0 ]]; then
  44     [[ $VAL == 1 ]] && VAL=0 || VAL=1
  45     echo "$VAL" > "${GPIOPATH}${CHECKID}/value"
  46   fi
  47   GPIOSTATES+=(\"${CHECKID}\":"$(print_gpio_state $CHECKID)")
  48 done
  49 JSON_STATE="{${(j:,:)GPIOSTATES}}"
  50 print ${(q)JSON_STATE}
  51 if ((#GPIOS > 0)); then
  52   print "[$(date +%s),\"$REMOTE_ADDR\",${(q)JSON_STATE}]," >> /var/log/licht/mswitch.log
  53 fi