Patch #1423609 by Martin Scarratt and myself: enables using the backlight as record clipping indicator.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@8722 a1c6a512-1295-4272-9138-f99709370657

apps/lang/english.lang

@@ -3724,3 +3724,27 @@ desc: jump to new page when scrolling
 eng: "Paged Scrolling"
 voice: ""
 new:
+
+id: LANG_CLIP_LIGHT
+desc: in record settings menu.
+eng: "Clipping light"
+voice: "Clipping light"
+new:
+
+id: LANG_MAIN_UNIT
+desc: in record settings menu.
+eng: "Main unit only"
+voice: "Main unit only"
+new:
+
+id: LANG_REMOTE_UNIT
+desc: in record settings menu.
+eng: "Remote unit only"
+voice: "Remote unit only"
+new:
+
+id: LANG_REMOTE_MAIN
+desc: in record settings menu.
+eng: "Main and remote unit"
+voice: "Main and remote unit"
+new:

apps/recorder/peakmeter.c

@@ -32,6 +32,10 @@
 #include "icons.h"
 #include "lang.h"
 #include "peakmeter.h"
+#include "audio.h"
+#ifdef CONFIG_BACKLIGHT
+#include "backlight.h"
+#endif
 
 #if CONFIG_CODEC == SWCODEC
 #include "pcm_playback.h"
@@ -943,9 +947,35 @@ void peak_meter_draw(int x, int y, int width, int height)
            have been calculated before */
         lcd_drawpixel(db_scale_lcd_coord[i], y + height / 2 - 1);
     }
-
+    
-
 #ifdef HAVE_RECORDING
+
+#ifdef CONFIG_BACKLIGHT
+    /* cliplight */
+    if ((pm_clip_left || pm_clip_right) && 
+        global_settings.cliplight &&
+#if CONFIG_CODEC == SWCODEC        
+        (pcm_rec_status() & (AUDIO_STATUS_RECORD | AUDIO_STATUS_PRERECORD)))
+#else
+        (audio_status() & (AUDIO_STATUS_RECORD | AUDIO_STATUS_PRERECORD)))
+#endif
+    {
+        /* if clipping, cliplight setting on and in recording screen */
+        if (global_settings.cliplight <= 2)
+        {
+            /* turn on main unit light if setting set to main or both*/
+            backlight_on();
+        }
+#ifdef HAVE_REMOTE_LCD
+        if (global_settings.cliplight >= 2)
+        {
+            /* turn remote light unit on if setting set to remote or both */
+            remote_backlight_on();
+        }
+#endif /* HAVE_REMOTE_LCD */
+    }
+#endif /*CONFIG_BACKLIGHT */
+
     if (trig_status != TRIG_OFF) {
         int start_trigx, stop_trigx, ycenter;
 
@@ -961,7 +991,7 @@ void peak_meter_draw(int x, int y, int width, int height)
         lcd_vline(stop_trigx, ycenter - 2, ycenter);
         if (stop_trigx > 0) lcd_drawpixel(stop_trigx - 1, ycenter - 1);
     }
-#endif
+#endif /*HAVE_RECORDING*/
 
 #ifdef PM_DEBUG
     /* display a bar to show how many calls to peak_meter_peek 

apps/settings.c

@@ -540,6 +540,11 @@ static const struct bit_entry hd_bits[] =
         "mic decimator right gain", NULL }, /* -128...48 */
 #endif
     {1, S_O(scroll_paginated), false, "scroll paginated", off_on },
+#ifdef HAVE_RECORDING
+#ifdef CONFIG_BACKLIGHT
+    {2, S_O(cliplight), 0, "cliplight", "off,main,both,remote" },
+#endif /* CONFIG_BACKLIGHT */
+#endif /*HAVE_RECORDING*/
     /* If values are just added to the end, no need to bump the version. */
     /* new stuff to be added at the end */
 

apps/settings.h

@@ -236,6 +236,10 @@ struct user_settings
     int rec_prerecord_time; /* In seconds, 0-30, 0 means OFF */
     int rec_directory; /* 0=base dir, 1=current dir */
     bool rec_startup; /* true means start Rockbox in recording screen */
+    int cliplight; /* 0 = off
+                      1 = main lcd
+                      2 = main and remote lcd
+                      3 = remote lcd */
     
     int rec_start_thres;    /* negative: db, positive: % range -87 .. 100 */
     int rec_start_duration; /* index of trig_durations */

apps/sound_menu.c

@@ -341,7 +341,29 @@ static bool reconstartup(void)
                     &global_settings.rec_startup);
 }
 
-#endif /* MAS3587F */
+#ifdef CONFIG_BACKLIGHT
+static bool cliplight(void)
+{
+    static const struct opt_items names[] = {
+        { STR(LANG_OFF) },
+        { STR(LANG_MAIN_UNIT) }
+#ifdef HAVE_REMOTE_LCD
+      , { STR(LANG_REMOTE_MAIN) },
+        { STR(LANG_REMOTE_UNIT) }
+#endif
+    };
+      
+    return set_option( str(LANG_CLIP_LIGHT),
+                    &global_settings.cliplight, INT, names,
+#ifdef HAVE_REMOTE_LCD
+                     4, NULL );
+#else
+                     2, NULL );
+#endif
+}
+#endif /*CONFIG_BACKLIGHT */
+
+#endif /* HAVE_RECORDING */
 
 static bool chanconf(void)
 {
@@ -808,6 +830,10 @@ bool recording_menu(bool no_source)
     items[i++].function = recdirectory;
     items[i].desc = ID2P(LANG_RECORD_STARTUP);
     items[i++].function = reconstartup;
+#ifdef CONFIG_BACKLIGHT
+    items[i].desc = ID2P(LANG_CLIP_LIGHT);
+    items[i++].function = cliplight;
+#endif
 #if !defined(SIMULATOR) && CONFIG_CODEC == MAS3587F
     items[i].desc = ID2P(LANG_RECORD_TRIGGER);
     items[i++].function = rectrigger;