max7219.h

TS12864液晶驱动

#include "C8051F120.H"


/*pin define*/
sbit DIN = P2^2; //MAX7219    Serial-Data Input:   rising edge  pin 1
sbit LOAD = P2^1; //MAX7219    Load-Data Input:    rising edge  pin 12 
sbit CLK = P2^0; //MAX7219   Serial-Clock Input:  maximum 10MHz  pin 13 




/*macro define*/
#define HIGH     1
#define LOW      0
#define TRUE     1
#define FALSE    0
#define ZERO     0 
#define MSB      0x80
#define LSB      0x01

/*mode define*/
#define NO_OP         0x00 
#define DECODE_MODE   0x09 
#define INTENSITY     0x0A 
#define SCAN_LIMIT    0x0B 
#define SHUTDOWN      0x0C 
#define DISPLAY_TEST  0x0F



/*funtion define*/
void Init_Max7219(void);//initialize max7219 
void Write_Max7219_byte(unsigned char temp);//send max7219 a byte
void Write_Max7219(unsigned char address,unsigned char dat);//send max7219 command and data
void Show_Max7219(unsigned int left,unsigned int right) reentrant;//十进制显示，第一个参数是7219左四位，第二个是右四位
void Byte_Max7219(unsigned char byte_data);//十进制输出一字节数据
void Regprint_Max7219(unsigned char byte_data);//二进制输出一字节数据，用于打印八位寄存器
void Interger_Max7219(unsigned long int interger) reentrant;//显示十进制整形数