Texas Instruments MSP430 - Page 273

273
void LCD_clear_home(void);
void LCD_goto(unsigned char x_pos, unsigned char y_pos);
lcd.c
#include "lcd.h"
void SIPO(void)
{
unsigned char bit = 0;
unsigned char clk = 8;
unsigned char temp = 0;
temp = data_value;
STB_LOW;
while(clk > 0)
{
bit = ((temp & 0x80) >> 0x07);
bit &= 0x01;
switch(bit)
{
case 0:
{
SDO_LOW;
break;
}
default:
{
SDO_HIGH;
break;
}
}
SCK_HIGH;
temp <<= 1;
clk--;
SCK_LOW;
}
STB_HIGH;
}
void LCD_init(void)
{
unsigned char t = 0x0A;
data_value = 0x08;
SIPO();
while(t > 0x00)
{
delay_ms(dly);