Texas Instruments MSP430

58
Code Example
delay.h
#include <msp430.h>
#define F_CPU 8
void delay_us(unsigned int value);
void delay_ms(unsigned int value);
delay.c
#include "delay.h"
void delay_us(unsigned int value)
{
register unsigned int loops = ((F_CPU * value) >> 2) ;
while(loops)
{
_delay_cycles(1);
loops--;
};
}
void delay_ms(unsigned int value)
{
while(value)
{
delay_us(1000);
value--;
};
}
lcd.h
#include <msp430.h>
#include <delay.h>
#define LCD_PORT P2OUT
#define LCD_RS BIT0
#define LCD_EN BIT1
#define LCD_DB4 BIT2
#define LCD_DB5 BIT3
#define LCD_DB6 BIT4
#define LCD_DB7 BIT5
#define LCD_RS_HIGH LCD_PORT |= LCD_RS