?? led.h
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#include<reg52.h>
#include<intrins.h>
#include <string.h>
////////////////////////////////////////////////////////////////////////////////
// stddef
typedef unsigned char bool;
typedef unsigned char byte;
typedef unsigned char bcd;
typedef unsigned short word;
typedef unsigned short wbcd;
typedef unsigned long dword;
#define bitset(B,b) ((B) |= (1<<(b)))
#define bitclr(B,b) ((B) &= ~(1<<(b)))
#define bittst(B,b) ((B) & (1<<(b)))
#define ASDWORD(x,ofs) (*((dword *)&x+ofs))
#define ASWORD(x,ofs) (*((word *)&x+ofs))
#define ASBYTE(x,ofs) (*((byte *)&x+ofs))
#define HBYTE(x) ASBYTE( x,0)
#define HWORD(x) ASWORD( x,0)
#define HDWORD(x) ASDWORD(x,0)
#define LBYTE(x) ASBYTE( x,sizeof(x)/sizeof(byte )-1)
#define LWORD(x) ASWORD( x,sizeof(x)/sizeof(word )-1)
#define LDWORD(x) ASDWORD(x,sizeof(x)/sizeof(dword)-1)
#define bin2bcd(b) ((((b)/10)<<4)|((b)%10))
#define SUCCESS 0
#define FAIL -1
#define FALSE 0
#define TRUE 1
//interrupt vector list for at89c52
#define ISR_X0 0
#define ISR_T0 1
#define ISR_X1 2
#define ISR_T1 3
#define ISR_S0 4
#define ISR_T2 5
#define ISR_xx 6
#define ISR_S1 7
#define ISR_X2 8
//sbit device
sbit DOUT = P1^3;
sbit DCLK = P1^5;
sbit EN = P1^4;
sbit LATCH = P1^2;
sbit test = P1^6;
#define SYS_XTL (18.432)
#define BAUDRATE0(x) (byte)(256-(SYS_XTL*1000000L/384.0/(x)))
// for timer 0
#define TM0_CYCLE (1000*60) //60ms
#define DELAYMS(x) ((word)(-(SYS_XTL/12*(x))))
#define DELAYMM(x) (2400*(x))
#define T0_ENABLE() ET0 = 1
#define T0_DISABLE() ET0 = 0
#define T0_ENABLE() ET0 = 1
#define T0_DISABLE() ET0 = 0
#define SPEED(x) (1*((x)+1))
#define MASTER 0
#define SLAVE -1
//for main
#define MAX_PIX 12
#define MAX_DOT (MAX_PIX*3)
#define MAX_MSG 14 //
#define SPEED_GRADE 1 //control shift speed
//var
//extern byte *present_data;
//extern byte gray_cnt;
//extern byte idata gray_bit;
extern byte offset;
extern word frame_cnt;
extern byte array;
extern byte master ;
extern byte refresh_flag;
extern byte send_flag;
extern byte offset_temp;
extern byte speed_ctrl;
//extern word timeout;
extern byte code right_shift[MAX_MSG][MAX_PIX][6];
extern byte idata receive_data[MAX_PIX][6];//
extern byte com_receive_data[6];
void tmr0_init(void);
void send_char_com( unsigned char ch);
void send_string_com(byte *pt, byte length);
byte get_char_com(void);
void init_serialcomm(void);
byte com_receive_ptl(void);
//void speed_ctrl(byte speed);
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