From a7131c13a8999d0085f283ffbe6b4eacd11169f5 Mon Sep 17 00:00:00 2001
From: Barry Wardell <rockbox@barrywardell.net>
Date: Wed, 30 Aug 2006 08:22:29 +0000
Subject: RTC driver for H10 by Laurent Baum

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@10799 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/SOURCES                 |  3 ++-
 firmware/drivers/rtc.c           | 48 +++++++++++++++++++++++++++++++++++++---
 firmware/export/config-h10.h     |  2 +-
 firmware/export/config-h10_5gb.h |  2 +-
 4 files changed, 49 insertions(+), 6 deletions(-)

(limited to 'firmware')

diff --git a/firmware/SOURCES b/firmware/SOURCES
index bd5634768d..29e8ad8271 100644
--- a/firmware/SOURCES
+++ b/firmware/SOURCES
@@ -157,7 +157,8 @@ eeprom_settings.c
 #ifdef IPOD_ARCH
 drivers/pcf50605.c
 #endif
-#if (CONFIG_RTC == RTC_M41ST84W) || (CONFIG_RTC == RTC_PCF50606) || (CONFIG_RTC == RTC_PCF50605)
+#if (CONFIG_RTC == RTC_M41ST84W) || (CONFIG_RTC == RTC_PCF50606) \
+ || (CONFIG_RTC == RTC_PCF50605) || (CONFIG_RTC == RTC_E8564)
 drivers/rtc.c
 #endif
 drivers/serial.c
diff --git a/firmware/drivers/rtc.c b/firmware/drivers/rtc.c
index 6015f46026..c911dabbb1 100644
--- a/firmware/drivers/rtc.c
+++ b/firmware/drivers/rtc.c
@@ -7,7 +7,7 @@
  *                     \/            \/     \/    \/            \/
  * $Id$
  *
- * Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese
+ * Copyright (C) 2002 by Linus Nielsen Feltzing, Uwe Freese, Laurent Baum
  *
  * 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.
@@ -24,13 +24,55 @@
 #include "system.h"
 #include "pcf50606.h"
 #include "pcf50605.h"
-#include <stdbool.h> 
+#if CONFIG_RTC == RTC_E8564
+#include "i2c-pp5020.h"
+#endif /*CONFIG_RTC == RTC_E8564*/
+#include <stdbool.h>
 
 #define RTC_ADR 0xd0
 #define	RTC_DEV_WRITE   (RTC_ADR | 0x00)
 #define	RTC_DEV_READ    (RTC_ADR | 0x01)
 
-#if CONFIG_RTC == RTC_PCF50605
+#if CONFIG_RTC == RTC_E8564
+void rtc_init(void)
+{
+}
+
+int rtc_read_datetime(unsigned char* buf)
+{
+    unsigned char tmp;
+    int read;
+    
+    /*RTC_E8564's slave address is 0x51*/
+    read = i2c_readbytes(0x51,0x02,7,buf);
+
+    /* swap wday and mday to be compatible with
+     * get_time() from firmware/common/timefuncs.c */
+    tmp=buf[3];
+    buf[3]=buf[4];
+    buf[4]=tmp;
+    
+    return read;
+}
+
+int rtc_write_datetime(unsigned char* buf)
+{
+    int i;
+    unsigned char tmp;
+    
+    /* swap wday and mday to be compatible with
+     * set_time() in firmware/common/timefuncs.c */
+    tmp=buf[3];
+    buf[3]=buf[4];
+    buf[4]=tmp;
+
+    for (i=0;i<7;i++){
+        ipod_i2c_send(0x51, 0x02+i,buf[i]);
+    }
+    return 1;
+}
+
+#elif CONFIG_RTC == RTC_PCF50605
 void rtc_init(void)
 {
 }
diff --git a/firmware/export/config-h10.h b/firmware/export/config-h10.h
index c3cf7eda5f..cfa7f6bb46 100644
--- a/firmware/export/config-h10.h
+++ b/firmware/export/config-h10.h
@@ -37,7 +37,7 @@
 
 /* define this if you have a real-time clock */
 #ifndef BOOTLOADER
-/*#define CONFIG_RTC RTC_E8564*/  /* TODO: figure this out */
+#define CONFIG_RTC RTC_E8564
 #endif
 
 /* Define this if you have a software controlled poweroff */
diff --git a/firmware/export/config-h10_5gb.h b/firmware/export/config-h10_5gb.h
index 40f8c26621..d3750c1a08 100644
--- a/firmware/export/config-h10_5gb.h
+++ b/firmware/export/config-h10_5gb.h
@@ -38,7 +38,7 @@
 
 /* define this if you have a real-time clock */
 #ifndef BOOTLOADER
-/*#define CONFIG_RTC RTC_E8564*/  /* TODO: figure this out */
+#define CONFIG_RTC RTC_E8564
 #endif
 
 /* Define this if you have a software controlled poweroff */
-- 
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