Projet

Général

Profil

501 jgsoleilla
/***********************************************************************/
/* */
/* FILE :SP4b2.c */
/* DATE :Tue, May 25, 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_RS p3_0
#define LCD_RW p3_1
#define LCD_E p3_2
#define LCD_DB4 p3_4
#define LCD_DB5 p3_5
#define LCD_DB6 p3_6
#define LCD_DB7 p3_7

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
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 main(void)
{
lcd_init_port();
lcd_init();

lcd_str("Bonjour");

}


void lcd_init_port(void){
pd3 = 0xFF;
}

void lcd_init(void){

tpo_ms(15);
lcd_4b(0x30);
tpo_ms(5);
lcd_4b(0x30);
tpo_us(100);
lcd_4b(0x30);
tpo_us(100);
lcd_4b(0x20); //mode 4 bits activ?
lcd_com(0x28); //mode 4bits - 2 lignes
lcd_com(0x06); //Incremente vers la gauche
lcd_com(0x0E); //LCD ? on, curseur ? on
lcd_com(0x01); //Clear LCD
tpo_ms(5);

}

void lcd_4b(unsigned char car){

LCD_E = 1;

if (car & 16){ //16 bit poids fort
LCD_DB4 = 1;
}
else{
LCD_DB4 = 0;
}

if (car & 32){ //32
LCD_DB5 = 1;
}
else{
LCD_DB5 = 0;
}

if (car & 64){ //64
LCD_DB6 = 1;
}
else{
LCD_DB6 = 0;
}

if (car & 128){ //128
LCD_DB7 = 1;
}
else{
LCD_DB7 = 0;
}

tpo_us(5);
LCD_E = 0;
tpo_us(5);
}


void lcd_8b(unsigned char car){

lcd_4b(car);
lcd_4b(car<<4);

}

void lcd_com(unsigned char com){

LCD_RS = 0;
lcd_8b(com);

}

void lcd_car(unsigned char car){

LCD_RS = 1;
lcd_8b(car);

}

void lcd_str(unsigned char *str){

int i = 0;
while (str[i] != '\0'){
lcd_car(str[i]);
i++;
}
}

void tpo_ms(unsigned short duree){
tcspr = 0x8A;
ta0mr = 0x82;
ta0 = duree * 1000;
ta0s = 1;
ta0os = 1;
ta0ic = 0x00;
while(ir_ta0ic != 1);
ta0s = 0;
}

void tpo_us(unsigned short duree){
tcspr = 0x8A;
ta0mr = 0x82;
ta0 = duree;
ta0ic = 0x00;
ta0s = 1;
ta0os = 1;
while(ir_ta0ic != 1);
ta0s = 0;
}