Initial commit

wled

@@ -0,0 +1,60 @@
+#!/bin/sh
+#
+# Simpel command line tool to turn predefined wled instances on/off or switch
+# presets.
+#
+# Author: Shy
+# License: CC0
+
+print_usage() {
+    echo "Usage: $0 [f(nordcenter)|w(ohnzimmer)] [on|off|1-17 (preset number)|dump]"
+}
+
+if test $# -ne 2; then
+    print_usage
+    exit 0
+fi
+
+# Parse host argument.
+case "$1" in
+    f|fnordcenter)
+        wled_host='wled-fnordcenter.local'
+    ;;
+    w|wohnzimmer)
+        wled_host='wled-wohnzimmer.local'
+    ;;
+    *)
+        echo "Error: unknown host \"$1\"." >&2
+        print_usage
+        exit 1
+    ;;
+esac
+
+# Parse and execute command argument.
+case "$2" in
+    on)
+        api_resp=$(curl -s -4 --json '{"on":true}' "http://$wled_host/json")
+    ;;
+    off)
+        api_resp=$(curl -s -4 --json '{"on":false}' "http://$wled_host/json")
+    ;;
+    [1-9]|[1-9][0-7])
+        api_resp=$(curl -s -4 --json "{'on':true,'ps':$2}" "http://$wled_host/json")
+    ;;
+    dump)
+        curl -s -4 -w '\n' "http://$wled_host/json"
+        exit 0
+    ;;
+    *)
+        echo "Error: unknown command \"$2\"." >&2
+        print_usage
+        exit 1
+    ;;
+esac
+
+# Check API responce. Should be {"success":true}.
+if test "$(echo -n "$api_resp"|tr -c -d '[:alpha:]')" != 'successtrue'; then
+    echo "Error: unexpected responce from WLED API." >&2
+    exit 1
+fi
+