/***************************************************************************
 * This code and information is provided "as is" without warranty of any   *
 * kind, either expressed or implied, including but not limited to the     *
 * implied warranties of merchantability and/or fitness for a particular   *
 * purpose.                                                                *
 *                                                                         *
 * Copyright (C) 2005 Teridian Semiconductor Corp. All Rights Reserved.    *
 ***************************************************************************/
//**************************************************************************
//  DESCRIPTION: 71M652x POWER METER - Pulse counting.
//  Note that TDK electric power metering ICs have memory-mapped registers 
//  that provide the same data as the pulses.  Use of this module is 
//  deprecated because the counting interrupts can add a substantial
//  real time burden, especially at high pulse rates.  It is provided 
//  because several customers requested it.
// 
//  AUTHOR:  RGV
//
//  HISTORY: See end of file.
//**************************************************************************
// File: pcnt.h
//               
#ifndef PCNT_H
#define PCNT_H 1

void pcnt_accumulate (void) small reentrant;	// called in RTC interrupt to add them up on time.
// counts pulses for a count of seconds; if seconds is <= 0, counts forever
// The trick is that the "read" logic of the DIO pin can "see" the
// output of the pulse logic.
void pcnt_init (void);					// for starting continuous pulse counting at reset.
void pcnt_start (int16_t seconds);
void pcnt_update (void);  // updates the pulse counts
void pulse_cnt_lcd (uint8_t select_phase, uint8_t select_interval);

extern int32_t pcnt_w_mod;
extern int32_t pcnt_r_mod;
#if PULSE_SOFT                       // software pulse outputs exist
extern int32_t pcnt_3_mod;
extern int32_t pcnt_4_mod;
#endif

/***************************************************************************
 * History
 * $Log: pcnt.h,v $
 * Revision 1.9  2006/09/09 01:14:30  gmikef
 * *** empty log message ***
 *
 * Revision 1.8  2006/07/25 18:07:48  tvander
 * Fixed the pulse counting interrupts
 *
 * Revision 1.7  2006/03/06 03:40:04  Michael T. Fischer
 * More 6530 prep.
 *
 * Revision 1.6  2006/01/04 04:47:53  gmikef
 * Switched RMS and VA calculations to use floating point. (and Calibration).
 *
 * Revision 1.6  2005/12/31 00:13:36  gmikef
 * Switched to floating point arithmetic. Decided it is high even precision.
 * It is faster and no more code space.
 *
 * Revision 1.4  2005/10/08 04:41:26  tvander
 * Fixed priority inversion.
 * Rewrote watchdog to work in brownout, but of course it doesn't work.
 * Watchdog can now be defeated by clearing watchdog option to 0.
 * Reorganized watt hour modules (at last!).
 * Disabled reading of STATUS in 6521_cli because the CE's status is always SAG.
 * Tested with 6521_CLI; measurements seem to work.
 * Fixed other builds.
 *
 * Revision 1.3  2005/09/22 23:45:18  tvander
 * Clean build all models and unit tests, updated copyright to be fore Teridian
 *
 * Revision 1.2  2005/08/30 18:18:52  gmikef
 * *** empty log message ***
 *
 * Copyright (C) 2005 Teridian Semiconductor Corp. All Rights Reserved.    *
 * this program is fully protected by the United States copyright          *
 * laws and is the property of Teridian Semiconductor Corporation.         *
 ***************************************************************************/
#endif /* pcnt.h */