main.c.bak

液晶方面的一些资料文件 希望有所帮助关于51语言

/*===============================================================
硬件连接： DATA:P4  P5.5-LCD_COMMAND(0)/DATA(1)  P5.6-LCD_ENABLE 
           P5.7-LCD_READ(1,ENABLE=1)/WRITE(0,ENABLE=1->0)
=================================================================*/

#include "io430.h"
#include "msp430x1xx.h"

#define   LCD_DATA_IN			P4IN
#define   LCD_DATA_OUT		P4OUT
#define   LCD_DIR					P4DIR
#define		LCD_BUSY				P4IN&BIT7

#define		MCU_READ    		P5OUT |= BIT6
#define   MUC_WRITE				P5OUT &= ~BIT6
#define   MCU_ENABLE_H		P5OUT |= BIT5
#define   MCU_ENABLE_L		P5OUT &= ~BIT5
#define	  LCD_DATA        P5OUT |= BIT4
#define   LCD_COMMAND			P5OUT &= ~BIT4

							

void initLCD();
void write_command();
char LCD_busy();



int main( void )
{
  // Stop watchdog timer to prevent time out reset
  WDTCTL = WDTPW + WDTHOLD;
  initLCD();
  

  return 0;
}

void initLCD()
{
  write_command(0x30);
  write_command(0x0c);
  write_command(0x01);
  write_command(0x06);
}

void write_command()
{
  
}