main.h

SPI接口读写模块c程序

/****************************************************************************
*                                                                           *
* File:         MAIN.H                                                      *
*                                                                           *
* Version:      1.0                                       	       		    *
*                                                                           *
* Created:      21.03.2006                                                  *
* Last Change:  16.05.2006                                                  *
*                                                                           *
* Author:       ZUZI                                                        *
*                                                                           *
* Compiler:     KEIL C51 uVision3.3                                         *
*                                                                           *
* Description:  STC89C52-Firmware for HY502 Demo                            *
*                                                                           *
****************************************************************************/
#ifndef __MAIN_H__
#define __MAIN_H__

#include "reg52.h"
//#include "at89s52.h"
//#include "stc89c51.h"
#include "intrins.h"
#include "string.h"

#define uchar	unsigned char
#define uint    unsigned int  

#define SUCCESS 0
#define FAILURE 1

//#define TIMER2           TRUE    

#define MF1_S50		0
#define MF1_S70		1
#define MF0_ULIGHT	2
#define MF1_LIGHT	3

//设置波特率
#define OSC_FREQ                11059200L

#define BAUD_115200             256 - (OSC_FREQ/192L)/115200L   // 255
#define BAUD_57600              256 - (OSC_FREQ/192L)/57600L    // 254
#define BAUD_38400              256 - (OSC_FREQ/192L)/38400L    // 253
#define BAUD_28800              256 - (OSC_FREQ/192L)/28800L    // 252
#define BAUD_19200              256 - (OSC_FREQ/192L)/19200L    // 250
#define BAUD_14400              256 - (OSC_FREQ/192L)/14400L    // 248
#define BAUD_9600               256 - (OSC_FREQ/192L)/9600L     // 244
// Timer2
#define RCAP2_50us             65536L - OSC_FREQ/240417L
#define RCAP2_1ms              65536L - OSC_FREQ/12021L
#define RCAP2_10ms             65536L - OSC_FREQ/1200L
#define RCAP2_1s               65536L - OSC_FREQ/12L

sfr16   RCAP2LH                = 0xCA;
sfr16   T2LH                   = 0xCC;


#define TRUE   1
#define FALSE  0

/*******************************************************************************
*	pin declare
*******************************************************************************/
// Port define
sbit  LED_GREEN  =P1^0;          // LED定义
sbit  BUZ        =P1^1;          // 蜂鸣器，1=beep,0=silence

sbit  RST_HY     =P1^2;		   	 // 复位管脚，低电平有效

sbit  HY_BEEP    =P1^3;			 // 模块BEEP输出，高电平驱动
sbit  HY_OUT2    =P1^4;            
sbit  HY_OUT1    =P1^5;    

// 定义IIC端口
sbit     SDA        =    P1^6;
sbit     SCL        =    P1^7;

sbit     a0 =P1^5;
sbit     a1 =P1^4;      
sbit     a2 =P1^3;

// SPI port
sbit     NSS        =    P1^4;		//接HY502 NSS
sbit     MOSI        =    P1^5;	//接HY502 MOSI
sbit     MISO        =    P1^6;	//接HY502 MISO

sbit  LED_YELLOW =P3^7;         // LED定义	
sbit  sig     = P3^2;	  // INT0 low level active

// 按键端口定义	keys define
sbit KEY1=P2^0;
sbit KEY2=P2^1;
sbit KEY3=P2^2;
sbit KEY4=P2^3;
//-----------------------------------------------------------------------------------------SendBuffer
unsigned char  data cp[30];      // HY502 buffer  
unsigned char  idata g_cReceBuf[30];	//uart Receive buffer

unsigned char g_cReceNum;		//bytes of received, used in interrupt
bit           g_bReceCommandOk;	//flag of command receive OK
bit           g_bReceAA;		//flag of last received byte is "0xaa", used in interrupt
bit           g_bCard;			//flag of card in

unsigned char idata SelectedSnr[4];		//卡序列号    

void InitializeSystem();						//initialize the MCU system

#endif

//------------------File end--------------------------