From a45e632495a0b662474771737197658ef22d73f0 Mon Sep 17 00:00:00 2001 From: Marcoen Hirschberg Date: Mon, 27 Nov 2006 09:44:56 +0000 Subject: move rtc functions to seperate files git-svn-id: svn://svn.rockbox.org/rockbox/trunk@11614 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/rtc/rtc_e8564.c | 64 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 firmware/drivers/rtc/rtc_e8564.c (limited to 'firmware/drivers/rtc/rtc_e8564.c') diff --git a/firmware/drivers/rtc/rtc_e8564.c b/firmware/drivers/rtc/rtc_e8564.c new file mode 100644 index 0000000000..233168c303 --- /dev/null +++ b/firmware/drivers/rtc/rtc_e8564.c @@ -0,0 +1,64 @@ +/*************************************************************************** + * __________ __ ___. + * Open \______ \ ____ ____ | | _\_ |__ _______ ___ + * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / + * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < + * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ + * \/ \/ \/ \/ \/ + * $Id$ + * + * 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. + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY + * KIND, either express or implied. + * + ****************************************************************************/ +#include "config.h" +#include "i2c.h" +#include "rtc.h" +#include "kernel.h" +#include "system.h" +#include "i2c-pp5020.h" +#include + +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++){ + pp_i2c_send(0x51, 0x02+i,buf[i]); + } + return 1; +} + -- cgit v1.2.3