This is a patch to the 'grand' branch of CHDK, as of 
2007-08-13 22:48:11 -0700 (Mon, 13 Aug 2007) 
(according to 'svn info'.)

It adds a 'get_day_seconds' command to uBasic.

Call it as 'get_day_seconds x' to put the number of seconds 
elapsed since midnight into the x variable.

The patch is available at 
http://bostoncoop.net/~mike/CHDK_get_day_seconds.patch
... or copy the lines starting with 'Index' below
into a new file and use that.

Enjoy -
Mike McCabe
E-mail: nickname-for-michael at-sign mcca dot be



Index: include/platform.h
===================================================================
--- include/platform.h	(revision 200)
+++ include/platform.h	(working copy)
@@ -146,6 +146,8 @@
 
 int shooting_get_real_av();
 
+int shooting_get_day_seconds();
+
 extern int circle_of_confusion;
 
 extern const int zoom_points;
Index: platform/generic/shooting.c
===================================================================
--- platform/generic/shooting.c	(revision 200)
+++ platform/generic/shooting.c	(working copy)
@@ -3,6 +3,7 @@
 #include "core.h"
 #include "keyboard.h"
 #include "math.h"
+#include <stdlib.h>
 
 #define SS_SIZE (sizeof(shutter_speeds_table)/sizeof(shutter_speeds_table[0]))
 #define SSID_MIN (shutter_speeds_table[0].id)
@@ -102,6 +103,15 @@
     shooting_set_av(cv+v);
 }
 
+int shooting_get_day_seconds()
+{
+    unsigned long t;
+    struct tm *ttm;
+    t = time(NULL);
+    ttm = localtime(&t);
+    return ttm->tm_hour * 3600 + ttm->tm_min * 60;
+}
+
 int shooting_get_iso()
 {
     short int isov;
Index: version.inc
===================================================================
--- version.inc	(revision 200)
+++ version.inc	(working copy)
@@ -1 +1 @@
-BUILD_NUMBER := 148
+BUILD_NUMBER := 173
Index: lib/ubasic/tokenizer.h
===================================================================
--- lib/ubasic/tokenizer.h	(revision 200)
+++ lib/ubasic/tokenizer.h	(working copy)
@@ -86,6 +86,7 @@
   TOKENIZER_GET_AV,
   TOKENIZER_SET_AV,
   TOKENIZER_SET_AV_REL,
+  TOKENIZER_GET_DAY_SECONDS,
   TOKENIZER_GET_ZOOM,
   TOKENIZER_SET_ZOOM,
   TOKENIZER_SET_ZOOM_REL,
Index: lib/ubasic/ubasic.c
===================================================================
--- lib/ubasic/ubasic.c	(revision 200)
+++ lib/ubasic/ubasic.c	(working copy)
@@ -713,6 +713,16 @@
     accept_cr();
 }
 
+static void get_day_seconds_statement()
+{
+    int var;
+    accept(TOKENIZER_GET_DAY_SECONDS);
+    var = tokenizer_variable_num();
+    accept(TOKENIZER_VARIABLE);
+    ubasic_set_variable(var, shooting_get_day_seconds());
+    accept_cr();
+}
+
 /*---------------------------------------------------------------------------*/
 
 static void get_zoom_statement()
@@ -883,6 +893,10 @@
     set_av_rel_statement();
     break;
 
+  case TOKENIZER_GET_DAY_SECONDS:
+    get_day_seconds_statement();
+    break;
+
   case TOKENIZER_GET_ZOOM:
     get_zoom_statement();
     break;
Index: lib/ubasic/tokenizer.c
===================================================================
--- lib/ubasic/tokenizer.c	(revision 200)
+++ lib/ubasic/tokenizer.c	(working copy)
@@ -96,6 +96,8 @@
   {"set_av_rel",    TOKENIZER_SET_AV_REL},
   {"set_av",        TOKENIZER_SET_AV},
 
+  {"get_day_seconds",      TOKENIZER_GET_DAY_SECONDS},
+
   {"get_zoom",      TOKENIZER_GET_ZOOM},
   {"set_zoom_rel",  TOKENIZER_SET_ZOOM_REL},
   {"set_zoom_speed",TOKENIZER_SET_ZOOM_SPEED},