Reworked iPod Nano 2G PMU code, added RTC and battery ADC.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22967 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 73 insertions, 0 deletions

diff --git a/firmware/target/arm/s5l8700/ipodnano2g/rtc-nano2g.c b/firmware/target/arm/s5l8700/ipodnano2g/rtc-nano2g.c
new file mode 100644
index 0000000000..f0975efb9f
--- /dev/null
+++ b/firmware/target/arm/s5l8700/ipodnano2g/rtc-nano2g.c
@@ -0,0 +1,73 @@
+/***************************************************************************

+ *             __________               __   ___.

+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___

+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /

+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <

+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \

+ *                     \/            \/     \/    \/            \/

+ * $Id$

+ *

+ * Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese, Laurent Baum

+ *

+ * This program is free software; you can redistribute it and/or

+ * modify it under the terms of the GNU General Public License

+ * as published by the Free Software Foundation; either version 2

+ * of the License, or (at your option) any later version.

+ *

+ * 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 "kernel.h"

+#include "system.h"

+#include "pmu-target.h"

+

+void rtc_init(void)

+{

+}

+

+int rtc_read_datetime(struct tm *tm)

+{

+    unsigned int i;

+    unsigned char buf[7];

+

+    pmu_read_multiple(0x59, sizeof(buf), buf);

+

+    for (i = 0; i < sizeof(buf); i++)

+        buf[i] = BCD2DEC(buf[i]);

+

+    tm->tm_sec = buf[0];

+    tm->tm_min = buf[1];

+    tm->tm_hour = buf[2];

+    tm->tm_wday = buf[3];

+    tm->tm_mday = buf[4];

+    tm->tm_mon = buf[5] - 1;

+    tm->tm_year = buf[6] + 100;

+

+    return 0;

+}

+

+int rtc_write_datetime(const struct tm *tm)

+{

+    unsigned int i;

+    int rc, oldlevel;

+    unsigned char buf[7];

+

+    buf[0] = tm->tm_sec;

+    buf[1] = tm->tm_min;

+    buf[2] = tm->tm_hour;

+    buf[3] = tm->tm_wday;

+    buf[4] = tm->tm_mday;

+    buf[5] = tm->tm_mon + 1;

+    buf[6] = tm->tm_year - 100;

+

+    for (i = 0; i < sizeof(buf); i++)

+         buf[i] = DEC2BCD(buf[i]);

+

+    pmu_write_multiple(0x59, sizeof(buf), buf);

+

+    return 0;

+}

+