New time functions

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2861 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 53 insertions, 0 deletions

diff --git a/firmware/common/timefuncs.c b/firmware/common/timefuncs.c
new file mode 100644
index 0000000000..0371762465
--- /dev/null
+++ b/firmware/common/timefuncs.c
@@ -0,0 +1,53 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2002 by 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 "rtc.h"
+#include "time.h"
+#include "debug.h"
+
+static struct tm tm;
+
+struct tm *get_time(void)
+{
+    char rtcbuf[8];
+    int i;
+
+    /* We don't need the first byte, but we want the indexes in the
+       buffer to match the data sheet */
+    rtc_read_multiple(1, &rtcbuf[1], 7);
+
+    for(i = 0;i < 7;i++)
+    {
+        DEBUGF("%02x ", rtcbuf[i]);
+    }
+    DEBUGF("\n");
+    
+    tm.tm_sec = ((rtcbuf[1] & 0x70) >> 4) * 10 + (rtcbuf[1] & 0x0f);
+    tm.tm_min = ((rtcbuf[2] & 0x70) >> 4) * 10 + (rtcbuf[2] & 0x0f);
+    tm.tm_hour = ((rtcbuf[3] & 0x30) >> 4) * 10 + (rtcbuf[3] & 0x0f);
+    tm.tm_mday = ((rtcbuf[5] & 0x30) >> 4) * 10 + (rtcbuf[5] & 0x0f);
+    tm.tm_mon = ((rtcbuf[6] & 0x10) >> 4) * 10 + (rtcbuf[6] & 0x0f);
+    tm.tm_year = ((rtcbuf[7] & 0xf0) >> 4) * 10 + (rtcbuf[7] & 0x0f) + 2000;
+    tm.tm_wday = rtcbuf[4] & 0x07;
+    tm.tm_yday = 0; /* Not implemented for now */
+    tm.tm_isdst = -1; /* Not implemented for now */
+    return &tm;
+}