PM9603APE Просмотр технического описания (PDF) - South African Micro Electronic Systems

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PM9603APE

SINGLE PHASE POWER/ENERGY METERING MODULE SPI INTERFACE

South African Micro Electronic Systems 

PM9603AP

// This program will read the registers from a SA9603B device

and

// display the content on the screen.

// The program work on a PM9603AP demonstration module.

#include <stdio.h>

#include <math.h>

#define PI

3.141593

#define win_size 20

// Definitions for the parallel port

#define CLK_b

0x20 //D5 on port pin 7

#define DO_b

0x40 //D6 on port pin 8

#define DI_b

0x20 //Paper out pin 12

#define CS_b

0x80 //D7 on port pin 9

#define PCTrig

0x02 //D1 on port pin 3

//#define freq_bits

0x00FFFF

//#define inv_bits

0x0C0000

#define freq_bits 0x01FFFF

#define inv_bits 0x0E0000

#define bits_50hz 0x080000

// D16..D0

// Mask definitions for the parallele port

#define CLK_m

~CLK_b //D5 on port pin 7

#define DO_m

~DO_b //D6 on port pin 8

#define DI_m

~DI_b //Paper out pin 12

#define CS_m

~CS_b //D7 on port pin 9

#define byte_mask 0x80 //1000 0000

#define CLOCKFREQ 3579545

#define LPT1

0x378

#define LPT2

0x278

// Glogal variables

unsigned char portval;

double

arr_energy[win_size],arr_volt[win_size],arr_reactive[win_size];

long

delay_time;

10/18

sames

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