...efine PAGEADD 0xb8
#define TIERADD 0x40
#define DIS_STARADD 0xc0
uint key_value;
sbit DI=P1^4;
sbit E=P1^2;
sbit CS1=P1^1;
sbit CS2=P1^0;
sbit RW=P1^3;
sbit cs=P1^7;
sbit sclk=P1^6;
sbit dout=P1^5;
sbit I2C_SCL = P3^7;
sbit I2C_SDA = P3^6;
//uchar ntable[]={61,49,57,60,19,49,62,49,60,6...