MSP430G2553-LCD1602.doc

/* main.c* 1602dofly*/#include#define RS_H P2OUT|=BIT3#define RS_L P2OUT&=BIT3#define RW_H P2OUT|=BIT4#define RW_L P2OUT&=BIT4#define EN_H P2OUT|=BIT5#define EN_L P2OUT&=BIT5#define DataPort P1OUT#define DirPort P1DIR#define InPort P1IN#define RenPort P1REN#define uchar unsigned char#define uint unsigned intuint Check_Busy(void);/ void Write_Com(uchar com);/void Write_Data(uchar Data);/ void Clear(void);/void Write_String(uchar x,uchar y,char *s);/void Write_Char(uchar x,uchar y,char Data);/void Init(void);void delayms(uchar t);void main(void)WDTCTL=WDTPW+WDTHOLD;P2DIR|=BIT3+BIT4+BIT5;DataPort=0xff;Init();Clear();while(1)Write_String(3,1,wang sui xue);Write_String(0,0,My name is);uint Check_Busy(void)/ DirPort=0xff;DataPort=0xff;RS_L;RW_H;EN_L;_nop();EN_H;DirPort=0;return (uint)(InPort&0x80);void Write_Com(uchar com)/while(Check_Busy();/RS_L;RW_L;EN_H;DirPort=0xff;DataPort=com;_nop();EN_L;void Write_Data(uchar Data)/ while(Check_Busy();/RS_H;RW_L;EN_H;DirPort=0xff;DataPort=Data;_nop();EN_L;void Clear(void)/Write_Com(0x01);_delay_cycles(5000);void Write_String(uchar x,uchar y,char *s)/if(y=0)Write_Com(0x80+x);elseWrite_Com(0xc0+x);while(*s)Write_Data(*s);s+;void Write_Char(uchar x,uchar y,char Data)/if(y=0)Write_Com(0x80+x);elseWrite_Com(0xc0+x);Write_Data(Data);void Init(void)Write_Com(0x38);_delay_cycles(50);Write_Com(0x38);_delay_cycles(50);Write_Com(0x38);_delay_cycles(50);Write_Com(0x38);Write_Com(0x08);Write_Com(0x01);Write_Com(0x06);_delay_cycles(50