stockholm/makefu/2configs/home/ham/automation/light_buttons.nix
2021-05-11 21:50:03 +02:00

98 lines
2.7 KiB
Nix

let
btn_state = light: btn: halfbright:
let
maxbright = 255;
transition = 0.2; # seconds
in
# this function implements a simple state machine based on the state and brightness of the light (light must support brightness
{
alias = "Cycle through states of ${light} via button ${btn}";
trigger = {
platform = "state";
entity_id = "sensor.${btn}_click";
to = "single";
};
action = {
choose = [
{
# state 0: off to half
conditions = {
condition = "template";
value_template = ''{{ states("${light}") == "off" }}'';
};
sequence = [
{
service = "light.turn_on";
data = {
entity_id = light;
brightness = halfbright;
};
}
];
}
{
# state 1: half to full
conditions = {
condition = "template";
value_template = ''{{ states('${light}') == 'on' and ( ${toString (halfbright - 1)} <= state_attr("${light}","brightness") <= ${toString (halfbright + 1)})}}'';
};
sequence = [
{
service = "light.turn_on";
data = {
entity_id = light;
brightness = maxbright;
};
}
];
}
{
# state 2: full to off
conditions = {
condition = "template";
# TODO: it seems like the devices respond with brightness-1 , maybe off-by-one somewhere?
value_template = ''{{ states("${light}") == "on" and state_attr("${light}","brightness") >= ${toString (maxbright - 1)}}}'';
};
sequence = [
{
service = "light.turn_off";
data = {
entity_id = light;
};
}
];
}
];
# default: on to off
# this works because state 0 checks for "state == off"
default = [{
service = "light.turn_off";
data = {
entity_id = light;
};
}];
};
};
turn_off_all = btn:
{
alias = "Turn of all lights via ${btn} double click";
trigger = {
platform = "state";
entity_id = "sensor.${btn}_click";
to = "double";
};
action = {
service = "light.turn_off";
entity_id = "all";
};
};
in {
services.home-assistant.config.automation = [
# (btn_state "light.arbeitszimmerbeleuchtung" "arbeitszimmer_btn1")
(btn_state "light.schlafzimmer_komode_osram" "schlafzimmer_btn2" 128)
# (btn_state "light.wohnzimmerbeleuchtung" "wohnzimmer_btn3")
(turn_off_all "schlafzimmer_btn2")
];
}