5 files changed, 50 insertions, 2 deletions

diff --git a/apps/lang/english.lang b/apps/lang/english.lang
index 7962b55065..6402f8cddf 100644
--- a/apps/lang/english.lang
+++ b/apps/lang/english.lang
@@ -781,3 +781,8 @@ id: LANG_TETRIS_LEVEL
 desc: tetris game
 eng: "0 Rows - Level 0"
 new:
+
+id: LANG_POWEROFF_IDLE
+desc: in settings_menu
+eng: "Idle Poweroff"
+new:
diff --git a/apps/settings.h b/apps/settings.h
index d03a5f688e..374b6e476c 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -62,7 +62,7 @@ struct user_settings
     /* device settings */
 
     int contrast;   /* lcd contrast:         0-100 0=low 100=high            */
-    int poweroff;   /* power off timer:      0-100 0=never:each 1% = 60 secs */
+    int poweroff;   /* power off timer */
     int backlight;  /* backlight off timer:  0-100 0=never:each 1% = 10 secs */
     bool discharge; /* maintain charge of at least: false = 90%, true = 10%  */
 
diff --git a/apps/settings_menu.c b/apps/settings_menu.c
index 5ad7a1e79c..1e7f2f7808 100644
--- a/apps/settings_menu.c
+++ b/apps/settings_menu.c
@@ -99,6 +99,17 @@ static Menu backlight_timer(void)
     return MENU_OK;
 }
 
+static Menu poweroff_idle_timer(void)
+{
+    char* names[] = { str(LANG_OFF),
+                      "1m ", "2m ", "3m ", "4m ", "5m ",
+                      "6m ", "7m ", "8m ", "9m ", "10m",
+                      "15m", "30m", "45m", "60m"};
+    set_option(str(LANG_POWEROFF_IDLE), &global_settings.poweroff, names,
+               15, set_poweroff_timeout);
+    return MENU_OK;
+}
+
 static Menu scroll_speed(void)
 {
     set_int(str(LANG_SCROLL), "", &global_settings.scroll_speed, 
@@ -337,7 +348,8 @@ static Menu system_settings_menu(void)
 #ifdef HAVE_LCD_BITMAP
         { str(LANG_TIME),        timedate_set    },
 #endif
-        { str(LANG_RESET),        reset_settings },
+        { str(LANG_POWEROFF_IDLE),    poweroff_idle_timer },
+        { str(LANG_RESET),       reset_settings },
     };
     
     m=menu_init( items, sizeof items / sizeof(struct menu_items) );
diff --git a/firmware/powermgmt.c b/firmware/powermgmt.c
index 1f54aaeb79..30b4d09081 100644
--- a/firmware/powermgmt.c
+++ b/firmware/powermgmt.c
@@ -28,6 +28,9 @@
 #include "sprintf.h"
 #include "ata.h"
 #include "power.h"
+#include "button.h"
+#include "ata.h"
+#include "mpeg.h"
 #include "powermgmt.h"
 
 #ifdef SIMULATOR
@@ -44,9 +47,16 @@ bool battery_level_safe(void)
 
 #else /* not SIMULATOR */
 
+static int poweroff_idle_timeout_value[15] =
+{
+    0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 15, 30, 45, 60
+};
+
 static char power_stack[DEFAULT_STACK_SIZE];
 static char power_thread_name[] = "power";
 
+static int poweroff_timeout = 0;
+
 unsigned short power_history[POWER_HISTORY_LEN];
 #ifdef HAVE_CHARGE_CTRL
 char power_message[POWER_MESSAGE_LEN] = "";
@@ -91,6 +101,23 @@ bool battery_level_safe(void)
         return adc_read(ADC_UNREG_POWER) > (BATTERY_LEVEL_DANGEROUS * 10000) / BATTERY_SCALE_FACTOR;
 }
 
+void set_poweroff_timeout(int timeout)
+{
+    poweroff_timeout = timeout;
+}
+
+static void handle_auto_poweroff(void)
+{
+    long timeout = poweroff_idle_timeout_value[poweroff_timeout]*60*HZ;
+    
+    if(timeout && !mpeg_is_playing() && !charger_inserted())
+    {
+        if(TIME_AFTER(current_tick, last_keypress + timeout) &&
+           TIME_AFTER(current_tick, last_disk_activity + timeout))
+            power_off();
+    }
+}
+
 /*
  * This power thread maintains a history of battery voltage
  * and implements a charging algorithm.
@@ -233,6 +260,8 @@ static void power_thread(void)
         
         /* sleep for roughly a minute */
         sleep(HZ*(60 - POWER_AVG_N * POWER_AVG_SLEEP));
+
+        handle_auto_poweroff();
     }
 }
 
diff --git a/firmware/powermgmt.h b/firmware/powermgmt.h
index 3fa6f3e4e9..329bf6005f 100644
--- a/firmware/powermgmt.h
+++ b/firmware/powermgmt.h
@@ -61,4 +61,6 @@ int battery_level(void);
 /* Tells if the battery level is safe for disk writes */
 bool battery_level_safe(void);
 
+void set_poweroff_timeout(int timeout);
+
 #endif