Added two simple battery runtime meters (current + top). 'Current' resets automatically when the charger cable is connected, or manually by pressing PLAY in the viewer. We are now officially out of RTC space.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2897 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 113 insertions, 2 deletions

diff --git a/apps/debug_menu.c b/apps/debug_menu.c
index 4dd98e0..ae660d4 100644
--- a/apps/debug_menu.c
+++ b/apps/debug_menu.c
@@ -38,6 +38,7 @@
 #include "font.h"
 #include "disk.h"
 #include "mpeg.h"
+#include "settings.h"
 #ifdef HAVE_LCD_BITMAP
 #include "widgets.h"
 #include "peakmeter.h"
@@ -1005,6 +1006,80 @@ bool dbg_mas_info(void)
 }
 #endif
 
+static bool view_runtime(void)
+{
+    char s[32];
+    bool done = false;
+    int state = 1;
+
+    while(!done)
+    {
+        int y=0;
+        int t;
+        int key;
+        lcd_clear_display();
+#ifdef HAVE_LCD_BITMAP
+        lcd_puts(0, y++, "Running time:");
+        y++;
+#endif
+
+        if (state & 1) {
+            t = global_settings.runtime;
+            lcd_puts(0, y++, "Current time");
+        }
+        else {
+            t = global_settings.topruntime;
+            lcd_puts(0, y++, "Top time");
+        }
+    
+        snprintf(s, sizeof(s), "%dh %dm %ds",
+                 t / 3600, (t % 3600) / 60, t % 60);
+        lcd_puts(0, y++, s);
+        lcd_update();
+
+        /* Wait for a key to be pushed */
+        key = button_get_w_tmo(HZ*5);
+        switch(key) {
+#ifdef HAVE_PLAYER_KEYPAD
+            case BUTTON_STOP | BUTTON_REL:
+#else
+            case BUTTON_OFF | BUTTON_REL:
+#endif
+                done = true;
+                break;
+
+            case BUTTON_LEFT:
+            case BUTTON_RIGHT:
+                if (state == 1)
+                    state = 2;
+                else
+                    state = 1;
+                break;
+                
+            case BUTTON_PLAY:
+                lcd_clear_display();
+                lcd_puts(0,0,"Clear time?");
+                lcd_puts(0,1,"PLAY = Yes");
+                lcd_update();
+                while (1) {
+                    key = button_get_w_tmo(HZ*10);
+                    if ( key & BUTTON_REL )
+                        continue;
+                    if ( key == BUTTON_PLAY ) {
+                        if ( state == 1 )
+                            global_settings.runtime = 0;
+                        else
+                            global_settings.topruntime = 0;
+                    }
+                    break;
+                }
+                break;
+        }
+    }
+
+    return false;
+}
+
 bool debug_menu(void)
 {
     int m;
@@ -1036,6 +1111,7 @@ bool debug_menu(void)
         { "pm histogram", peak_meter_histogram},
 #endif /* PM_DEBUG */
 #endif /* HAVE_LCD_BITMAP */
+        { "View runtime", view_runtime },
     };
 
     m=menu_init( items, sizeof items / sizeof(struct menu_items) );
diff --git a/apps/settings.c b/apps/settings.c
index ead61d8..3bfbd96 100644
--- a/apps/settings.c
+++ b/apps/settings.c
@@ -51,6 +51,7 @@
 #include "lang.h"
 #include "language.h"
 #include "wps-display.h"
+#include "powermgmt.h"
 
 struct user_settings global_settings;
 char rockboxdir[] = ROCKBOX_DIR;       /* config/font/data file directory */
@@ -105,8 +106,10 @@ offset  abs
 0x23    0x37    <rec. left gain (bit 0-3)>
 0x24    0x38    <rec. right gain (bit 0-3)>
 0x25    0x39    <disk_spindown flag>
-
-        <all unused space filled with 0xff>
+0x26    0x40    <runtime low byte>
+0x27    0x41    <runtime high byte>
+0x28    0x42    <topruntime low byte>
+0x29    0x43    <topruntime high byte>
 
 0x2a    <checksum 2 bytes: xor of 0x0-0x29>
 
@@ -343,6 +346,26 @@ int settings_save( void )
     config_block[0x24] = (unsigned char)global_settings.rec_right_gain;
     config_block[0x25] = (unsigned char)global_settings.disk_poweroff & 1;
 
+    {
+        static long lasttime = 0;
+
+        /* reset counter if charger is inserted */
+        if ( charger_inserted() ) {
+            global_settings.runtime = 0;
+        }
+        else {
+            global_settings.runtime += (current_tick - lasttime) / HZ;
+            lasttime = current_tick;
+        }
+        if ( global_settings.runtime > global_settings.topruntime )
+            global_settings.topruntime = global_settings.runtime;
+
+        config_block[0x26]=(unsigned char)(global_settings.runtime & 0xff);
+        config_block[0x27]=(unsigned char)(global_settings.runtime >> 8);
+        config_block[0x28]=(unsigned char)(global_settings.topruntime & 0xff);
+        config_block[0x29]=(unsigned char)(global_settings.topruntime >> 8);
+    }
+
     strncpy(&config_block[0xb8], global_settings.wps_file, MAX_FILENAME);
     strncpy(&config_block[0xcc], global_settings.lang_file, MAX_FILENAME);
     strncpy(&config_block[0xe0], global_settings.font_file, MAX_FILENAME);
@@ -602,6 +625,14 @@ void settings_load(void)
         if (config_block[0x25] != 0xFF)
             global_settings.disk_poweroff = config_block[0x25] & 1;
 
+        if (config_block[0x27] != 0xff)
+            global_settings.runtime = 
+                config_block[0x26] | (config_block[0x27] << 8);
+
+        if (config_block[0x29] != 0xff)
+            global_settings.topruntime =
+                config_block[0x28] | (config_block[0x29] << 8);
+
         memcpy(&global_settings.resume_first_index, &config_block[0xF4], 4);
         memcpy(&global_settings.resume_seed, &config_block[0xF8], 4);
 
@@ -805,6 +836,8 @@ void settings_reset(void) {
     global_settings.wps_file[0] = 0;
     global_settings.font_file[0] = 0;
     global_settings.lang_file[0] = 0;
+    global_settings.runtime = 0;
+    global_settings.topruntime = 0;
 }
 
 
diff --git a/apps/settings.h b/apps/settings.h
index 8399874..6d3678f 100644
--- a/apps/settings.h
+++ b/apps/settings.h
@@ -131,6 +131,8 @@ struct user_settings
     bool browse_current; /* 1=goto current song,
                             0=goto previous location */
 
+    int runtime;       /* current runtime since last charge */
+    int topruntime;    /* top known runtime */
 };
 
 /* prototypes */