From be25469b9b481d8f40aeb12aa6de84e1efdc0e68 Mon Sep 17 00:00:00 2001
From: Michael Sparmann <theseven@rockbox.org>
Date: Mon, 5 Oct 2009 20:21:33 +0000
Subject: 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
---
 .../target/arm/s5l8700/ipodnano2g/rtc-nano2g.c     | 73 ++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 firmware/target/arm/s5l8700/ipodnano2g/rtc-nano2g.c

(limited to 'firmware/target/arm/s5l8700/ipodnano2g/rtc-nano2g.c')

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;
+}
+
-- 
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