+/*
+ * leds - Leds/buttons support
+ *
+ * Copyright (C) 2010 Enrico Zini <enrico@enricozini.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+using GLib;
+
+namespace zavai {
+namespace led {
+
+public class LedState
+{
+ public string name;
+ public int brightness;
+ public string trigger;
+ public int delay_on;
+ public int delay_off;
+
+ public LedState(string name)
+ {
+ this.name = name;
+ set_constant(0);
+ }
+
+ public void set_constant(int power)
+ {
+ brightness = power;
+ trigger = "none";
+ delay_on = 0;
+ delay_off = 0;
+ }
+
+ public void set_blink(int power, int delay_on=200, int delay_off=300)
+ {
+ brightness = power;
+ trigger = "timer";
+ this.delay_on = delay_on;
+ this.delay_off = delay_off;
+ }
+
+ public void to_omhacks(ref Omhacks.Led led)
+ {
+ led.brightness = brightness;
+ Memory.copy(led.trigger, trigger, trigger.size());
+ led.delay_on = 200;
+ led.delay_off = 300;
+ }
+}
+
+public class Vibrator : zavai.Resource, Object
+{
+ protected Omhacks.Led vibrator;
+
+ protected List<LedState> states;
+
+ public Vibrator() throws FileError
+ {
+ if (vibrator.init("neo1973:vibrator") != 0)
+ throw new FileError.NOENT("vibrator not found");
+
+ states = new List<LedState>();
+ }
+
+ public void turn_off()
+ {
+ vibrator.brightness = 0;
+ Memory.copy(vibrator.trigger, "none", 5);
+ vibrator.set();
+ }
+
+ public void push_state(LedState state)
+ {
+ states.prepend(state);
+ state.to_omhacks(ref vibrator);
+ vibrator.set();
+ }
+
+ public void pop_state(string name)
+ {
+ // Handle empty list
+ if (states == null) return;
+
+ // Track if the list head changed
+ weak List<LedState> old_top = states;
+
+ // Remove state "name" from the stack
+ for (weak List<LedState> i = states; i != null; i = i.next)
+ if (i.data.name == name)
+ {
+ states.delete_link(i);
+ break;
+ }
+
+ // If the list head changed, put into action the new top state
+ if (states != old_top)
+ if (states == null)
+ turn_off();
+ else {
+ // Activate the new top
+ states.data.to_omhacks(ref vibrator);
+ vibrator.set();
+ }
+ }
+
+ public void shutdown()
+ {
+ while (states != null)
+ states.delete_link(states);
+ turn_off();
+ }
+}
+
+public class AUX: zavai.Service
+{
+ protected Omhacks.Led auxled;
+ protected bool has_aux;
+
+ protected weak clock.AlarmTriggerInfo current_alarm = null;
+
+ public AUX()
+ {
+ Object(name: "ui.aux");
+
+ has_aux = (auxled.init("gta02-aux:red") == 0);
+
+ if (has_aux)
+ {
+ zavai.log.warning("aux: can notify alarm triggers");
+ clock.alarm_trigger_queue.triggered += on_alarm_trigger;
+ clock.alarm_trigger_queue.acked += on_alarm_done;
+ clock.alarm_trigger_queue.canceled += on_alarm_done;
+ } else {
+ zavai.log.warning("aux: no way to notify alarm triggers");
+ }
+
+ // Listen to the button via X
+ input.hotkeys.hotkey += on_auxbutton;
+ input.hotkeys.grab(zavai.config.aux_button_keycode, 0, false);
+ input.hotkeys.request("auxbutton");
+ }
+
+ protected bool on_auxbutton(uint keycode, ulong time, bool pressed)
+ {
+ if (keycode == zavai.config.aux_button_keycode)
+ {
+ if (pressed)
+ {
+ zavai.log.debug("AUX button pressed");
+ if (current_alarm != null)
+ {
+ zavai.log.debug("HASCA");
+ clock.alarm_trigger_queue.ack(current_alarm);
+ }
+ }
+ else
+ zavai.log.debug("AUX button released");
+ return true;
+ }
+ return false;
+ }
+
+ public void on_alarm_trigger(clock.AlarmTriggerInfo info)
+ {
+ zavai.log.debug("Start blinking");
+ auxled.brightness = 256;
+ // FIXME: is there a better way? I hope there is a better way. Please
+ // tell me there is a better way.
+ var trig = "timer";
+ for (int i = 0; ; ++i)
+ {
+ auxled.trigger[i] = (char)trig[i];
+ if (trig[i] == 0) break;
+ }
+ auxled.delay_on = 200;
+ auxled.delay_off = 300;
+ auxled.set();
+ current_alarm = info;
+ }
+
+ public void on_alarm_done(clock.AlarmTriggerInfo info)
+ {
+ zavai.log.debug("Stop blinking");
+ var trig = "none";
+ for (int i = 0; ; ++i)
+ {
+ auxled.trigger[i] = (char)trig[i];
+ if (trig[i] == 0) break;
+ }
+ auxled.brightness = 0;
+ auxled.set();
+ current_alarm = null;
+ }
+}
+
+public AUX aux = null;
+public Vibrator vibrator = null;
+
+public void init()
+{
+ aux = new AUX();
+ try {
+ vibrator = new Vibrator();
+ zavai.registry.register(vibrator);
+ } catch (Error e) {
+ zavai.log.info("No vibrator found");
+ vibrator = null;
+ }
+}
+
+}
+}
ToastFreeware / gregoa / zavai.git / blobdiff