Sleep timer, inspired by Jim Hagani

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2918 a1c6a512-1295-4272-9138-f99709370657

apps/lang/english.lang

@@ -1166,3 +1166,8 @@ id: LANG_BATTERY_TIME
 desc: battery level in % and estimated time remaining
 eng: "%d%% %dh %dm"
 new:
+
+id: LANG_SLEEP_TIMER
+desc: sleep timer setting
+eng: "Sleep timer"
+new:

apps/main_menu.c

@@ -39,6 +39,7 @@
 #include "sound_menu.h"
 #include "status.h"
 #include "fat.h"
+#include "sleeptimer.h"
 
 #include "lang.h"
 
@@ -247,6 +248,7 @@ bool main_menu(void)
     struct menu_items items[] = {
         { str(LANG_SOUND_SETTINGS),     sound_menu        },
         { str(LANG_GENERAL_SETTINGS),   settings_menu     },
+        { str(LANG_SLEEP_TIMER),   sleeptimer_screen     },
 #ifdef HAVE_MAS3587F
         { str(LANG_RECORDING_SETTINGS),   recording_menu     },
         { str(LANG_RECORDING),   recording_screen     },

apps/sleeptimer.c

@@ -0,0 +1,136 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#include "config.h"
+#include "options.h"
+
+#include "lcd.h"
+#include "font.h"
+#include "button.h"
+#include "kernel.h"
+#include "sprintf.h"
+#include <string.h>
+#include "settings.h"
+#include "power.h"
+#include "powermgmt.h"
+#include "status.h"
+
+#include "lang.h"
+
+//#define SMALL_STEP_SIZE 15*60    /* Seconds */
+#define SMALL_STEP_SIZE 2*60    /* Seconds */
+#define LARGE_STEP_SIZE 30*60    /* Seconds */
+#define THRESHOLD       60       /* Minutes */
+#define MAX_TIME        5*60*60  /* Hours */
+
+bool sleeptimer_screen(void)
+{
+#ifdef HAVE_LCD_BITMAP
+    int w, h;
+#endif
+    unsigned long seconds;
+    int hours, minutes;
+    int button;
+    bool done = false;
+    char buf[32];
+    int oldtime, newtime;
+
+#ifdef HAVE_LCD_BITMAP
+    lcd_setfont(FONT_UI);
+    lcd_getstringsize("M", &w, &h);
+    lcd_setmargins(w, 8);
+#endif
+    int amount = 0;
+    
+    while(!done)
+    {
+        button = button_get_w_tmo(HZ/20);
+        switch(button)
+        {
+#ifdef HAVE_PLAYER_KEYPAD
+        case BUTTON_STOP:
+#else
+        case BUTTON_OFF:
+        case BUTTON_LEFT:
+#endif
+            done = true;
+            break;
+
+#ifdef HAVE_PLAYER_KEYPAD
+        case BUTTON_RIGHT:
+#else
+        case BUTTON_UP:
+#endif
+            oldtime = (get_sleep_timer()+59) / 60;
+            
+            if(oldtime < THRESHOLD)
+                amount = SMALL_STEP_SIZE;
+            else
+                amount = LARGE_STEP_SIZE;
+            
+            newtime = oldtime * 60 + amount;
+            if(newtime > MAX_TIME)
+                newtime = MAX_TIME;
+            
+            set_sleep_timer(newtime);
+            break;
+                
+#ifdef HAVE_PLAYER_KEYPAD
+        case BUTTON_LEFT:
+#else
+        case BUTTON_DOWN:
+#endif
+            oldtime = (get_sleep_timer()+59) / 60;
+            
+            if(oldtime <= THRESHOLD)
+                amount = SMALL_STEP_SIZE;
+            else
+                amount = LARGE_STEP_SIZE;
+            
+            newtime = oldtime*60 - amount;
+            if(newtime < 0)
+                newtime = 0;
+            
+            set_sleep_timer(newtime);
+            break;
+        }
+
+        seconds = get_sleep_timer();
+
+        lcd_clear_display();
+        lcd_puts(0, 0, str(LANG_SLEEP_TIMER));
+        if(seconds)
+        {
+            seconds += 59; /* Round up for a "friendlier" display */
+            hours = seconds / 3600;
+            minutes = (seconds - (hours * 3600)) / 60;
+            snprintf(buf, 32, "%d:%02d",
+                     hours, minutes);
+            lcd_puts(0, 1, buf);
+        }
+        else
+        {
+            lcd_puts(0, 1, str(LANG_OFF));
+        }
+
+        status_draw();
+
+        lcd_update();
+    }
+    return false;
+}

apps/sleeptimer.h

@@ -0,0 +1,24 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 Linus Nielsen Feltzing
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+#ifndef _SLEEPTIMER_H_
+#define _SLEEPTIMER_H_
+
+bool sleeptimer_screen(void);
+
+#endif

docs/CREDITS

@@ -55,3 +55,4 @@ Mark Hillebrand
 Damien Teney
 Andreas Zwirtes
 Kjell Ericson
+Jim Hagani

firmware/powermgmt.c

@@ -87,6 +87,9 @@ static int poweroff_timeout = 0;
 static long last_charge_time = 0;
 static int powermgmt_est_runningtime_min = -1;
 
+static bool sleeptimer_active = false;
+static unsigned long sleeptimer_endtick;
+
 unsigned short power_history[POWER_HISTORY_LEN];
 #ifdef HAVE_CHARGE_CTRL
 char power_message[POWER_MESSAGE_LEN] = "";
@@ -190,6 +193,28 @@ void set_poweroff_timeout(int timeout)
     poweroff_timeout = timeout;
 }
 
+void set_sleep_timer(int seconds)
+{
+    if(seconds)
+    {
+        sleeptimer_active = true;
+        sleeptimer_endtick = current_tick + seconds * HZ;
+    }
+    else
+    {
+        sleeptimer_active = false;
+        sleeptimer_endtick = 0;
+    }
+}
+
+int get_sleep_timer(void)
+{
+    if(sleeptimer_active)
+        return (sleeptimer_endtick - current_tick) / HZ;
+    else
+        return 0;
+}
+
 /* We shut off in the following cases:
    1) The unit is idle, not playing music
    2) The unit is playing music, but is paused
@@ -224,6 +249,19 @@ static void handle_auto_poweroff(void)
            TIME_AFTER(current_tick, last_charge_time + timeout))
             power_off();
     }
+    else
+    {
+        /* Handle sleeptimer */
+        if(sleeptimer_endtick &&
+           !usb_inserted())
+        {
+            if(TIME_AFTER(current_tick, sleeptimer_endtick))
+            {
+                DEBUGF("Sleep timer timeout. Shutting off...\n");
+                power_off();
+            }
+        }
+    }
 }
 
 /*

firmware/powermgmt.h

@@ -76,4 +76,7 @@ bool battery_level_safe(void);
 
 void set_poweroff_timeout(int timeout);
 
+void set_sleep_timer(int seconds);
+int get_sleep_timer(void);
+
 #endif