pm.c

电能表源码

/*************************************************************************************

	文件类型：底层驱动函数文件
	文件作用：
	修改权限：底层驱动维护人员
	文件相关：
	
	创 建 人：GeminiKQ
	创建日期：2006.12.20
	当前版本：Ver0.1
	
	版本信息：Ver0.1					GeminiKQ

**************************************************************************************/
#include "ChipDefine.h"
#include "ExTigReg.h"


#define		WPADDRESS	0x1094		// 写缓存首地址
#define		RLADDRESS	0x1093		// 读缓存末地址

//=======================================================
//函数名：W_Buff
//函数作用：写数据到写缓存
//入口参数：需要写的32位数据
//出口参数：无
//
//======================================================= 
void W_Buff(unsigned long lword)
{
	unsigned char xdata *point;
	point = WPADDRESS;
	*(point++) = (unsigned char)lword;
	*(point++) = (unsigned char)(lword>>8);
	*(point++) = (unsigned char)(lword>>16);
	*point = (unsigned char)(lword>>24);
}
//=======================================================
//函数名：W_Byte
//函数作用：写数据到地址
//入口参数：Addr－目标地址，Wdata－操作数据
//出口参数：无
//
//======================================================= 
void W_Byte(unsigned int Addr,unsigned char Wdata)
{
	unsigned char xdata *point;
	point = Addr;
	*point = Wdata;
}
//=======================================================
//函数名：R_Byte
//函数作用：从目标地址读数据
//入口参数：目标地址
//出口参数：读出的数据
//
//======================================================= 
unsigned char R_Byte(unsigned int Addr)
{
	unsigned char xdata *point;
	unsigned char Rdata;
	point = Addr;
	Rdata = *point;
	return Rdata;
}	
//=======================================================
//函数名：R_Buff
//函数作用：从读缓存读数据
//入口参数：无
//出口参数：读出的32位数据
//
//======================================================= 
unsigned long R_Buff(void)
{
	unsigned char xdata *point;
	unsigned long longword;
	point = RLADDRESS;
	longword = *(point--);
	longword <<= 8;
	longword += *(point--);
	longword <<= 8;
	longword += *(point--);
	longword <<= 8;
	longword += *(point--);
	return longword;
}
	
void SetPM(void)
{                                                                                                                                                                                               
	// write code
	PmPwd = 0xcd;
	// on_u
	W_Byte(0x28a2,0x0f);	// 28a2.0
	// on_ia
//	W_Byte(0x28a2,0x02);	// 28a2.1
	// on_ib
//	W_Byte(0x28a2,0x04);	// 28a2.2
	// on_m
//	W_Byte(0x28a2,0x08);	// 28a2.3	
	// sel_iab_d || sel_plus_d
	W_Byte(0x28a3,0x00);
	W_Byte(0x28a1,0);
	
	// IA比差校正值
	W_Buff(0x0);
//	W_Byte(0x107b,0);
	// IB
	W_Byte(0x1080,0);
	// LA
//	W_Byte(0x107d,0);
	// LB
//	W_Byte(0x107e,0);

//	W_Buff(0x0800);
//	W_Byte(0x1086,0);	
	// gate
	W_Buff(0x56f00000);
	W_Byte(0x107b,0);	
	W_Buff(0x0000001c);
	W_Byte(0x107a,0);	
	// calibration
	W_Buff(0xf3459369);
	W_Byte(0x1087,0);
//	W_Buff(0xe5e341df);
//	W_Byte(0x1083);

	PmPwd = 0xcc;
}