|
/***********************************************************************/
|
|
/* */
|
|
/* FILE :SP4b2.c */
|
|
/* DATE :Fri, May 21, 2021 */
|
|
/* DESCRIPTION :main program file. */
|
|
/* CPU GROUP :87B */
|
|
/* */
|
|
/* This file is generated by Renesas Project Generator (Ver.4.18). */
|
|
/* NOTE:THIS IS A TYPICAL EXAMPLE. */
|
|
/***********************************************************************/
|
|
#include "sfr32c87.h"
|
|
|
|
#define LCD_PORT p3
|
|
#define LCD_PORT_DIR 1
|
|
#define LCD_E LCD_PORT_2
|
|
#define LCD_RW LCD_PORT_1
|
|
#define LCD_DC LCD_PORT_0
|
|
#define LCD_E_DIR LCD_PORT_DIR
|
|
#define LCD_RW_DIR LCD_PORT_DIR
|
|
#define LCD_DC_DIR LCD_PORT_DIR
|
|
|
|
void lcd_4b (char c);
|
|
void lcd_8b (char c);
|
|
void lcd_com (char c);
|
|
void lcd_init (void);
|
|
void lcd_car (char c);
|
|
void tpo_ms(int t);
|
|
void tpo_us(int t);
|
|
|
|
|
|
void lcd_4b (char c)
|
|
{
|
|
|
|
p3_2=1;
|
|
|
|
if (c&0x80)
|
|
{
|
|
p3_7=1;
|
|
}
|
|
else
|
|
p3_7 = 0;
|
|
|
|
if (c&0x40)
|
|
{
|
|
p3_6=1;
|
|
}
|
|
else
|
|
p3_6 = 0;
|
|
|
|
if (c&0x20)
|
|
{
|
|
p3_5=1;
|
|
}
|
|
else
|
|
p3_5 = 0;
|
|
|
|
if (c&0x10)
|
|
{
|
|
p3_4=1;
|
|
}
|
|
else
|
|
p3_4 = 0;
|
|
|
|
|
|
p3_2=0;
|
|
}
|
|
|
|
void lcd_8b (char c)
|
|
{
|
|
lcd_4b (c);
|
|
lcd_4b (c<<4);
|
|
}
|
|
|
|
void lcd_com(char c)
|
|
{
|
|
p3_0=0;
|
|
lcd_8b(c);
|
|
}
|
|
|
|
|
|
void tpo_ms(int t)
|
|
{
|
|
tcspr = 0x8a;
|
|
ta0mr = 0x82;
|
|
ta0=t*1000;
|
|
ta0s = 1;
|
|
ta0os=1;
|
|
ta0ic=0x00;
|
|
while (ir_ta0ic!=1);
|
|
ta0s=0;
|
|
}
|
|
|
|
void tpo_us(int t)
|
|
{
|
|
tcspr = 0x8a;
|
|
ta0mr = 0x82;
|
|
ta0=t;
|
|
ta0s = 1;
|
|
ta0os=1;
|
|
ta0ic=0x00;
|
|
while (ir_ta0ic!=1);
|
|
ta0s=0;
|
|
}
|
|
|
|
void lcd_init (void)
|
|
{
|
|
|
|
pd3=0xFF;
|
|
p3 = 0;
|
|
p3_0=0;
|
|
tpo_ms(15);
|
|
lcd_4b(0x30);
|
|
tpo_ms(5);
|
|
lcd_4b(0x30);
|
|
tpo_us(100);
|
|
lcd_4b(0x30);
|
|
tpo_us(100);
|
|
lcd_4b(0x20);
|
|
lcd_com(0x28);
|
|
lcd_com(0x06);
|
|
lcd_com(0x0E);
|
|
lcd_com(0x01);
|
|
tpo_ms(5);
|
|
|
|
}
|
|
|
|
void lcd_car (char c)
|
|
{
|
|
p3_0=1;
|
|
lcd_8b(c);
|
|
}
|
|
|
|
void main(void)
|
|
{
|
|
char c;
|
|
|
|
lcd_init ();
|
|
lcd_car ('H');
|
|
lcd_car ('E');
|
|
lcd_car ('L');
|
|
lcd_car ('L');
|
|
lcd_car ('O');
|
|
}
|