|
/***********************************************************************/
|
|
/* */
|
|
/* FILE :SP4b2.c */
|
|
/* DATE :Fri, May 21, 2021 */
|
|
/* DESCRIPTION :main program file. */
|
|
/* CPU GROUP :87 */
|
|
/* */
|
|
/* This file is generated by Renesas Project Generator (Ver.4.18). */
|
|
/* NOTE:THIS IS A TYPICAL EXAMPLE. */
|
|
/***********************************************************************/
|
|
#include "sfr32c87.h"
|
|
#define PLCD p1;
|
|
#define LCD_DC p3_0;
|
|
#define LCD_RW P3_1;
|
|
#define LCD_E p1_2;
|
|
|
|
void tpo_us(unsigned short duree);// temporisation en ?s
|
|
void tpo_ms(unsigned short duree);// temporisation en ms
|
|
void lcd_init_port(void);// initialisation des broches du ?C
|
|
void lcd_4b(unsigned char car);// envoi des 4 bits de poids fort
|
|
void lcd_8b(unsigned char car);// envoi des 8 bits de donn?e
|
|
void lcd_car(unsigned char car);// envoi d'une donn?e ? afficher
|
|
void lcd_com(unsigned char com);// envoi d'une commande
|
|
void lcd_init(void);// initialisation de l'afficheur
|
|
void lcd_str(unsigned char *str);// envoi d'une cha?ne de caract?re
|
|
|
|
|
|
void LCD4b_H(char c)
|
|
{
|
|
pd1 = 0xFF;
|
|
p1_2 = 1;
|
|
|
|
p1_7 = ( c & 0b10000000)>>7;
|
|
p1_6 = ( c & 0b01000000)>>6;
|
|
p1_5 = ( c & 0b00100000)>>5;
|
|
p1_4 = ( c & 0b00010000)>>4;
|
|
|
|
p1_2 = 0;
|
|
}
|
|
|
|
void LCD4b_L(char c)
|
|
{
|
|
p1_2 = 1;
|
|
p1_3 = ( c & 0b00001000)>>3;
|
|
p1_2 = ( c & 0b00000100)>>2;
|
|
p1_1 = ( c & 0b00000010)>>1;
|
|
p1_0 = ( c & 0b00000001);
|
|
|
|
p1_2 = 1;
|
|
}
|
|
|
|
void LCD8b(char c)
|
|
{
|
|
LCD4b_H(c);
|
|
LCD4b_L(c);
|
|
}
|
|
|
|
/*
|
|
// initialize the LCD display
|
|
void lcd_init(void)
|
|
{
|
|
LCD_DC=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 main(void)
|
|
{
|
|
LCD8b('a');
|
|
}
|