meter_rtc.h File Reference

Meter Calibration routine. More...

Go to the source code of this file.

Data Structures
struct	RTC_BCD_struct
	structure for holding the date and time More...

Typedefs
typedef struct RTC_BCD_struct	RTC_BCD_t
	structure for holding the date and time

Functions
void	rtc_init ()
void	update_time ()

Variables
uint8_t	power_status_flag
	hold the status of mains power supply
RTC_BCD_t	rtcTime
	structure for holding the time value
__eeprom RTC_BCD_t	eepromTime

Detailed Description

Meter Calibration routine.

Application note:

AVR1631: Energy Meter Reference Design with ATxmega32A4

Documentation

For comprehensive code documentation, supported compilers, compiler settings and supported devices see readme.html

Author

Atmel Corporation: http://www.atmel.com
Support email: avr@a.nosp@m.tmel.nosp@m..com

$Revision: 1.0
$Date: 2012-07-01 10:10:10 +0530

Copyright (c) 2008, Atmel Corporation All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

1. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

1. The name of ATMEL may not be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Definition in file meter_rtc.h.

Function Documentation

void rtc_init

(

)

brief This function initilize RTC to external clock and 1 sec interrupt.

Definition at line 63 of file meter_rtc.c.

void update_time

(

)

breif This function updates the date and time

Definition at line 106 of file meter_rtc.c.