git.maemo.org Git - chledclk/blob - chledclk.vala

   1 class ChargingLEDClock : Object {
   2         const string MCE_SERVICE = "com.nokia.mce";
   3         const string MCE_SIGNAL_PATH = "/com/nokia/mce/signal";
   4         const string MCE_SIGNAL_IFACE = "com.nokia.mce.signal";
   5         const string BME_SERVICE = "com.nokia.bme";
   6         const string BME_SIGNAL_PATH = "/com/nokia/bme/signal";
   7         const string BME_SIGNAL_IFACE = "com.nokia.bme.signal";
   8         const string BME_REQUEST_PATH = "/com/nokia/bme/request";
   9         const string BME_REQUEST_IFACE = "com.nokia.bme.request";
  10
  11         MainLoop loop;
  12         dynamic DBus.Object mce;
  13         dynamic DBus.Object bme;
  14
  15         bool display_off;
  16         bool charger_connected;
  17         bool battery_full;
  18
  19         bool sysfs_write (string filename, string contents) {
  20                 var f = FileStream.open (filename, "w");
  21                 if (f == null) {
  22                         stderr.printf ("failed to open '%s' for writing\n", filename);
  23                         return false;
  24                 }
  25                 f.printf ("%s", contents);
  26                 return true;
  27         }
  28
  29         void set_led_pattern (bool on, Time time) {
  30
  31                 print ("setting led pattern: %s\n", on ? "on" : "off");
  32
  33                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode", "disabled");
  34                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode", "disabled");
  35                 sysfs_write ("/sys/class/leds/lp5523:r/brightness", "0");
  36                 sysfs_write ("/sys/class/leds/lp5523:g/brightness", "0");
  37                 sysfs_write ("/sys/class/leds/lp5523:b/brightness", "0");
  38
  39                 if (!on)
  40                         return;
  41
  42                 string pattern = "9d804000";
  43                 int jump = 2;
  44                 if (time.hour >= 20) {
  45                         pattern += "0c7f0dffa082";
  46                         jump += 3;
  47                 } else if (time.hour >= 10) {
  48                         pattern += "0c7f0dff";
  49                         jump += 2;
  50                 }
  51                 if ((time.hour % 10) > 1) {
  52                         pattern += "047f05ffa%03x".printf (((time.hour % 10 - 1) << 7) + jump);
  53                         jump += 3;
  54                 } else if ((time.hour % 10) == 1) {
  55                         pattern += "047f05ff";
  56                         jump += 2;
  57                 }
  58                 pattern += "11ff";
  59                 jump += 1;
  60                 if (time.minute >= 20)
  61                         pattern += "047f05ffa%03x".printf (((time.minute / 10 - 1) << 7) + jump);
  62                 else if (time.minute >= 10)
  63                         pattern += "047f05ff";
  64                 if ((time.minute % 10) >= 5)
  65                         pattern += "043f057f";
  66                 pattern += "21ff0000";
  67
  68                 print ("setting pattern: %s\n", pattern);
  69
  70                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode", "load");
  71                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine1_leds", battery_full ? "000001000" : "000001100");
  72                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine1_load", pattern);
  73                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode", "load");
  74                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine2_leds", "000000000");
  75                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine2_load", "9d800000");
  76                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine2_mode", "run");
  77                 sysfs_write ("/sys/class/i2c-adapter/i2c-2/2-0032/engine1_mode", "run");
  78                 if (battery_full) {
  79                         sysfs_write ("/sys/class/leds/lp5523:r/led_current", "2");
  80                         sysfs_write ("/sys/class/leds/lp5523:g/led_current", "2");
  81                         sysfs_write ("/sys/class/leds/lp5523:b/led_current", "2");
  82                 } else {
  83                         sysfs_write ("/sys/class/leds/lp5523:r/led_current", "20");
  84                         sysfs_write ("/sys/class/leds/lp5523:g/led_current", "2");
  85                         sysfs_write ("/sys/class/leds/lp5523:b/led_current", "0");
  86                 }
  87         }
  88
  89         bool update_led_pattern () {
  90                 TimeVal now = TimeVal ();
  91                 var time = Time.local (now.tv_sec);
  92
  93                 print ("current time: %d:%02d h\n", time.hour, time.minute);
  94
  95                 if (charger_connected && display_off) {
  96                         set_led_pattern (true, time);
  97
  98                         Timeout.add (1000 * (60 - time.second), update_led_pattern);
  99                 } else {
 100                         set_led_pattern (false, time);
 101                 }
 102
 103                 return false;
 104         }
 105
 106         void on_mce_display_status_ind (dynamic DBus.Object mce, string mode) {
 107                 print ("display_status_ind: %s\n", mode);
 108                 display_off = (mode == "off");
 109
 110                 if (charger_connected && display_off) {
 111                         print ("setting led pattern in 100 ms ...\n");
 112                         Timeout.add (100, update_led_pattern);
 113                 }
 114         }
 115
 116         void on_bme_charger_connected (dynamic DBus.Object bme) {
 117                 print ("charger_connected\n");
 118                 charger_connected = true;
 119         }
 120
 121         void on_bme_charger_disconnected (dynamic DBus.Object bme) {
 122                 print ("charger_disconnected\n");
 123                 charger_connected = false;
 124                 battery_full = false;
 125         }
 126
 127         void on_bme_battery_full (dynamic DBus.Object bme) {
 128                 print ("battery_full\n");
 129                 battery_full = true;
 130         }
 131
 132         public ChargingLEDClock (DBus.Connection bus) {
 133                 loop = new MainLoop (null);
 134
 135                 mce = bus.get_object (MCE_SERVICE, MCE_SIGNAL_PATH, MCE_SIGNAL_IFACE);
 136                 mce.display_status_ind.connect (on_mce_display_status_ind);
 137
 138                 bme = bus.get_object (BME_SERVICE, BME_SIGNAL_PATH, BME_SIGNAL_IFACE);
 139                 bme.charger_connected.connect (on_bme_charger_connected);
 140                 bme.charger_disconnected.connect (on_bme_charger_disconnected);
 141                 bme.battery_full.connect (on_bme_battery_full);
 142
 143                 dynamic DBus.Object bme_req;
 144                 bme_req = bus.get_object (BME_SERVICE, BME_REQUEST_PATH, BME_REQUEST_IFACE);
 145                 bme_req.status_info_req ();
 146         }
 147
 148         public int run () {
 149                 loop.run ();
 150                 return 0;
 151         }
 152
 153         static int main (string[] args) {
 154                 try {
 155                         var bus = DBus.Bus.get (DBus.BusType.SYSTEM);
 156                         var app = new ChargingLEDClock (bus);
 157                         return app.run ();
 158                 } catch (DBus.Error e) {
 159                         stderr.printf ("Error: %s\n", e.message);
 160                         return 1;
 161                 }
 162         }
 163 }
 164