shy/c4wled.sh
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Removed dependency on curls "--json" flag.

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Shy 2024-08-06 11:29:44 +02:00
parent 39323d772a
commit c66362f87d
2 changed files with 16 additions and 10 deletions
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1
README.md
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@ -19,6 +19,5 @@ Change brightness:
## Requirements ## Requirements
*curl* version 7.82.0 or newer.
You have to be connected to the local network. You have to be connected to the local network.

25
wled
View file

@ -31,14 +31,21 @@ commands:
-b,--brightness [1-255] set brightness" -b,--brightness [1-255] set brightness"
} }
curl_cmd() { curl_fetch() {
curl --silent --show-error --fail --ipv4 --max-filesize 32K "$@" curl --silent --show-error --fail --ipv4 --max-filesize 32768 \
--max-redirs 0 --header 'Accept: application/json' "$@"
}
curl_send() {
curl --silent --show-error --fail --ipv4 --max-filesize 1024 \
--max-redirs 0 --header 'Accept: application/json' \
--header 'Content-Type: application/json' "$@"
} }
active_preset() { active_preset() {
# Find number of active preset. API returns -1 if none is active, we return # Find number of active preset. API returns -1 if none is active, we return
# an empty string. # an empty string.
curl_cmd "http://$1/json" | \ curl_fetch "http://$1/json" | \
# -1 will be a no-match. # -1 will be a no-match.
sed -n 's/.*"ps"[[:space:]]*:[[:space:]]*\(1\?[0-9]\).*/\1/p' sed -n 's/.*"ps"[[:space:]]*:[[:space:]]*\(1\?[0-9]\).*/\1/p'
} }
@ -69,10 +76,10 @@ esac
# Parse and execute command argument. # Parse and execute command argument.
case "$2" in case "$2" in
on) # Switch on. on) # Switch on.
api_resp=$(curl_cmd --json '{"on":true}' "http://$wled_host/json") api_resp=$(curl_send --data '{"on":true}' "http://$wled_host/json")
;; ;;
off) # Switch off. off) # Switch off.
api_resp=$(curl_cmd --json '{"on":false}' "http://$wled_host/json") api_resp=$(curl_send --data '{"on":false}' "http://$wled_host/json")
;; ;;
-b|--brightness) # Set brightness. -b|--brightness) # Set brightness.
if test -z "$3"; then if test -z "$3"; then
@ -88,15 +95,15 @@ case "$2" in
echo "Error: parameter for brightness is out of range." >&2 echo "Error: parameter for brightness is out of range." >&2
exit 1 exit 1
fi fi
api_resp=$(curl_cmd --json "{'bri':$bright}" "http://$wled_host/json") api_resp=$(curl_send --data "{'bri':$bright}" "http://$wled_host/json")
;; ;;
[1-9]|1[0-7]) # Switch to preset. [1-9]|1[0-7]) # Switch to preset.
api_resp=$(curl_cmd --json "{'ps':$2}" "http://$wled_host/json") api_resp=$(curl_send --data "{'ps':$2}" "http://$wled_host/json")
;; ;;
l|list) # List presets. l|list) # List presets.
printf "loading ...\r" printf "loading ...\r"
active_ps=$(active_preset "$wled_host") active_ps=$(active_preset "$wled_host")
curl_cmd "http://$wled_host/presets.json" | \ curl_fetch "http://$wled_host/presets.json" | \
# Split into lines - one line per preset. # Split into lines - one line per preset.
sed --sandbox 's/"1\?[0-9]"[[:space:]]*:/\n&/g' | \ sed --sandbox 's/"1\?[0-9]"[[:space:]]*:/\n&/g' | \
# Extract number and name of every preset. Right-align numbers. # Extract number and name of every preset. Right-align numbers.
@ -115,7 +122,7 @@ case "$2" in
exit $? exit $?
;; ;;
dump) # Dump JSON response from API. dump) # Dump JSON response from API.
curl_cmd -w '\n' "http://$wled_host/json" curl_fetch -w '\n' "http://$wled_host/json"
exit 0 exit 0
;; ;;
"") # Missing command. "") # Missing command.