main.c

lcd 1602A 底层函数

#include <msp430x14x.h>
char zx[] = {0x30,0x31,0x32,0x33,0x34,0x35,0x36,0x37,0x38,0x39};
void Init_Keypad(void);
void Check_Key(void);
void delay();
void Key_Event(void);
void DispStr(unsigned char x,unsigned char y,unsigned char *ptr);
void DispNChar(unsigned char x,unsigned char y, unsigned char n,unsigned char *ptr);
void LocateXY(unsigned char x,unsigned char y);
void Disp1Char(unsigned char x,unsigned char y,unsigned char data);
void LcdReset(void);
void LcdWriteCommand(unsigned char cmd,unsigned char chk);
void LcdWriteData( unsigned char data );
void WaitForEnable(void);
void Delay5ms(void);
extern unsigned char key_Pressed;      
extern unsigned char key_val;         
extern unsigned char key_Flag; 


/********************主函数********************/
void main(void)
{
    WDTCTL = WDTPW + WDTHOLD;   //关闭看门狗        
   LcdReset();
   Init_Keypad();
    while(1)
    {
        Key_Event();
    
        if(key_Flag == 1)
        {
            key_Flag = 0;
            Disp1Char(4,0,zx[key_val]);
           LocateXY(0,9);
        }
    }
}