hdw_init.h

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#include <STC12C5412AD.H>

#define EEPROM_BASEADDR              0x2600 //EEPROM扇区首址
#define EEPROM_ADDR_SET_DATA         EEPROM_BASEADDR
#define EEPROM_ADDR_Display_Mode     EEPROM_BASEADDR+0x0000//显示模式
#define EEPROM_ADDR_Refesh_Speed	 EEPROM_BASEADDR+0x0001//刷新率
#define EEPROM_ADDR_Move_L_Speed	 EEPROM_BASEADDR+0x0002//左移动速度
#define EEPROM_ADDR_Pause_Time  	 EEPROM_BASEADDR+0x0003//定格时间
#define EEPROM_ADDR_Back_Ground  	 EEPROM_BASEADDR+0x0004//显示背景
#define EEPROM_ADDR_HZ_CNT_TOTAL_MSB EEPROM_BASEADDR+0x0005//字符数目高位
#define EEPROM_ADDR_HZ_CNT_TOTAL_LSB EEPROM_BASEADDR+0x0006//字符数目低位
#define EEPROM_ADDR_POWERUP_MODE     EEPROM_BASEADDR+0x0007//上电模式
#define EEPROM_ADDR_GB2312			 0x2800//汉字内码区首址
#define EEPROM_ADDR_GB2312_1		 0x2A00//汉字内码区首址
#define EEPROM_ADDR_GB2312_2		 0x2C00//汉字内码区首址
#define EEPROM_ADDR_GB2312_3		 0x2E00//汉字内码区首址

void 		  EEPROM_ERASE(unsigned int addr);//EEPROM扇区擦除
void          EEPROM_write(unsigned int addr,unsigned char dat);//EEPROM字节写
unsigned char EEPROM_read (unsigned int addr);//EEPROM字节读
extern unsigned int  xdata	HZ_CNT_TOTAL;//定义总汉字数，从上位机获得
extern void DownLoad_Mode(void);

sbit SPI_EN=P1^4; //字库芯片片选引脚
sbit MOSI=P1^5;
sbit MISO=P1^6;
sbit MCLK=P1^7;

sbit S_OE =P1^0; 
sbit S_CLK=P1^1;
sbit S_LAT=P1^2;
sbit S_DAT=P1^3;

sbit P3_0=P3^0;

//行线端口映射,低电平驱动
sbit Y0    = P3^7;
sbit Y1    = P2^7;
sbit Y2    = P2^6;
sbit Y3    = P2^5;
sbit Y4    = P2^4;
sbit Y5    = P3^4;
sbit Y6    = P3^5;
sbit Y7    = P3^3;
sbit Y8    = P0^3;
sbit Y9    = P0^2;
sbit Y10   = P0^1;
sbit Y11   = P0^0;
sbit Y12   = P2^3;
sbit Y13   = P2^2;
sbit Y14   = P2^1;
sbit Y15   = P2^0;
#define Break_Code 0x8F//下载结束字符
#define	ACK0 0xa0  //握手首字节
#define	ACK1 0xfa  //握手次字节
#define	ACK2 0x0f  //握手确认字节

#define HC595_OE_Enable()  {S_OE=0;}
#define HC595_OE_Disable() {S_OE=1;Y0=1;Y5=1;Y6=1;Y7=1;P2=0xff;P0=0xff;}  //{S_OE=1;}