#ifndef  __BILLING_H
#define  __BILLING_H

#include "define_all.h" 


#define  BALANCE_UP_LIMIT  999999999
#define  BALANCE_LOWER_LIMIT  (-999999999)

#define  GAS_USAGE_UP_LIMIT  4000000000
#define  GAS_USAGE_LOWER_LIMIT  (-9999999999)

#define  FEE_USAGE_UP_LIMIT  4000000000
#define  FEE_USAGE_LOWER_LIMIT  (-9999999999)

typedef struct Settlement_Para	//½áËã²ÎÊý
{
	//double		fInitialGasVolume;
	//double		fLastGasVolume;
	//double		fCurrentGasVolume;
	double		fCurrentGasUsage;
	double	  fCumulativeGasUsage;
	double	  fCumulativeFeeUsage;
	double		fBalance;
	//u8			  cDataObtainType;
	u32			  u32PulseCounting_last;
  u32			  u32PulseCounting;

	
	u8				SettlementStorageFlag;
	u8				RS485SettlementFlag;   //RS485½áËã±êÖ¾£¬0x01£º±íʾÐèÒªRS485½áË㹦ÄÜ  0x00:±íʾ²»ÐèÒªRS485½áË㣬ֻÓÃÂö³å¼Æ·Ñ¡£
	u8				RS485SettlementINGFlag;  //RS485½áËãÖбêÖ¾£¬RS485½áËãδÍê³Éʱ£¬ÖжÏÖеÄÂö³å½áËã²»¼ÆË㣬µÈRS485½áËãÍê³ÉÖ®ºóÔÙ¼ÆË㣬ÒÔÃâ³åÍ». 0´ú±íûÓд¦ÓÚRS485½áË㣬1´ú±í½áËãÖУ¬
	u8				RS485BilDataReadableFlag;  //RS485½áËã´æ´¢ÇøÓòÓÐÊý¾Ý¿É¶Á±êÖ¾
	
}SETTLEMENT_PARA;


u8  Settlement(void);  //Âö³å½áËã
void  RS485Settlement(void);  //485¶ÁÈ¡½áËã
float StepBillingSettlement(float fCumulativeGasUsage, float fCurrentGasUsage);
void ArrearsCheck(double dBlanceBeforeSettlement);
void ClearCardinalFlag(void);  //ÇåÁã»ùÊý±êÖ¾
u8 CheckCardinality(void);//¶Ô»ùÊý½øÐмì²é£¬
void StorageCardinality(void);  //´æ´¢»ùÊý
extern	SETTLEMENT_PARA		Settlement_Para;
void BalanceModify(double dBalance);  //Óà¶îÇåÁã


#endif