constant.h

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//定义LCD的连接端口
#define LCD_RS P2_5
#define LCD_RW P2_6
#define LCD_EN P2_7
#define BUSY P0_7
#define LCD_DATA_PORT P0
#define LOW 0
#define HIGH 1

//定义ADC的连接端口
#define AD_CS P3_6
#define AD_WR P3_2
#define AD_RD P3_7
#define AD_INPUT_PORT P1

static unsigned char code char1[]="Welcome to WWW.MCUEDU.COM";
static unsigned char code char2[]="Tel:[phone]";
static unsigned char code NumberToCode[16]={'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};