From ffdbd449eb91e8be368dce22d7271d44a85c33ab Mon Sep 17 00:00:00 2001
From: Daniel Stenberg <daniel@haxx.se>
Date: Fri, 16 Apr 2004 09:28:09 +0000
Subject: [PATCH] Mike Holden's stopwatch plugin

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@4512 a1c6a512-1295-4272-9138-f99709370657
---
 apps/plugins/stopwatch.c | 197 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 197 insertions(+)
 create mode 100644 apps/plugins/stopwatch.c

diff --git a/apps/plugins/stopwatch.c b/apps/plugins/stopwatch.c
new file mode 100644
index 0000000000..1c017b17a9
--- /dev/null
+++ b/apps/plugins/stopwatch.c
@@ -0,0 +1,197 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2004 Mike Holden
+ *
+ * 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 "plugin.h"
+
+#ifdef HAVE_LCD_BITMAP
+#define LAP_LINES 6
+#define TIMER_Y 1
+#else
+#define LAP_LINES 1
+#define TIMER_Y 0
+#endif
+
+#define LAP_Y TIMER_Y+1
+#define MAX_LAPS 10
+#define MAX_SCROLL (MAX_LAPS - LAP_LINES)
+
+static struct plugin_api* rb;
+
+static int stopwatch = 0;
+static long start_at = 0;
+static int prev_total = 0;
+static bool counting = false;
+static int curr_lap = 0;
+static int lap_scroll = 0;
+static int lap_start;
+static int lap_times[MAX_LAPS];
+
+static void ticks_to_string(int ticks,int lap,int buflen, char * buf)
+{
+    int hours, minutes, seconds, cs;
+
+    hours = ticks / (HZ * 3600);
+    ticks -= (HZ * hours * 3600);
+    minutes = ticks / (HZ * 60);
+    ticks -= (HZ * minutes * 60);
+    seconds = ticks / HZ;
+    ticks -= (HZ * seconds);
+    cs = ticks;
+    if (!lap)
+    {
+        rb->snprintf(buf, buflen,
+                     "%2d:%02d:%02d.%02d",
+                     hours, minutes, seconds, cs);
+    }
+    else
+    {
+        rb->snprintf(buf, buflen,
+                     "%2d %2d:%02d:%02d.%02d",
+                     lap, hours, minutes, seconds, cs);
+    }
+}
+
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    char buf[32];
+    int button;
+    int lap;
+    int done = false;
+
+    TEST_PLUGIN_API(api);
+    (void)parameter;
+    rb = api;
+
+#ifdef HAVE_LCD_BITMAP
+    rb->lcd_setfont(FONT_UI);
+#endif
+
+    rb->lcd_clear_display();
+
+    while (!done)
+    {
+        if (! counting)
+        {
+            button = rb->button_get(true);
+        }
+        else
+        {
+            button = rb->button_get_w_tmo(10);
+        }
+        switch (button)
+        {
+
+            /* OFF/MENU key to exit */
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_OFF:
+#else
+            case BUTTON_MENU:
+#endif
+                  done = true;
+                  break;
+
+            /* PLAY = Stop/Start toggle */
+            case BUTTON_PLAY:
+                 counting = ! counting;
+                 if (counting)
+                 {
+                     start_at = *rb->current_tick;
+                     stopwatch = prev_total + *rb->current_tick - start_at;
+                 }
+                 else
+                 {
+                     prev_total += *rb->current_tick - start_at;
+                     stopwatch = prev_total;
+                 }
+                 break;
+
+            /* LEFT = Reset timer */
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_LEFT:
+#else
+            case BUTTON_STOP:
+#endif
+                 if (!counting)
+                 {
+                     prev_total = 0;
+                     curr_lap = 0;
+                 }
+                 break;
+
+            /* ON = Lap timer */
+            case BUTTON_ON:
+                 lap_times[curr_lap%MAX_LAPS] = stopwatch;
+                 curr_lap++;
+                 break;
+
+            /* UP (RIGHT/+) = Scroll Lap timer up */
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_UP:
+#else
+            case BUTTON_RIGHT:
+#endif
+                 if (lap_scroll > 0)
+                     lap_scroll --;
+                 break;
+
+            /* DOWN (LEFT/-) = Scroll Lap timer down */
+#ifdef HAVE_RECORDER_KEYPAD
+            case BUTTON_DOWN:
+#else
+            case BUTTON_LEFT:
+#endif
+                 if ((lap_scroll < curr_lap - LAP_LINES) &&
+                     (lap_scroll < MAX_SCROLL) )
+                 {
+                     lap_scroll ++;
+                 }
+                 break;
+        }
+
+        if (counting)
+        {
+            stopwatch = prev_total + *rb->current_tick - start_at;
+        }
+        else
+        {
+            stopwatch = prev_total;
+        }
+
+        ticks_to_string(stopwatch,0,32,buf);
+        rb->lcd_puts(0, TIMER_Y, buf);
+
+        lap_start = MIN(curr_lap, lap_scroll);
+        lap_start = curr_lap - lap_scroll;
+        for (lap = lap_start; lap > lap_start - LAP_LINES; lap--)
+        {
+            if (lap > 0)
+            {
+                ticks_to_string(lap_times[(lap-1)%MAX_LAPS],lap,32,buf);
+                rb->lcd_puts(0, LAP_Y + lap_start - lap, buf);
+            }
+            else
+            {
+                rb->lcd_puts(0, LAP_Y + lap_start - lap, "                  ");
+            }
+        }
+
+        rb->lcd_update();
+    }
+    return true;
+}