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/***********************************************************************/
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/* */
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/* FILE :SP4b2.c */
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/* DATE :Tue, May 25, 2021 */
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/* DESCRIPTION :main program file. */
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/* CPU GROUP :87B */
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/* */
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/* This file is generated by Renesas Project Generator (Ver.4.18). */
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/* NOTE:THIS IS A TYPICAL EXAMPLE. */
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/***********************************************************************/
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#include "sfr32c87.h"
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#define LCD_RS p3_0
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#define LCD_RW p3_1
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#define LCD_E p3_2
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#define LCD_DB4 p3_4
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#define LCD_DB5 p3_5
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#define LCD_DB6 p3_6
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#define LCD_DB7 p3_7
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void tpo_us(unsigned short duree);// temporisation en ?s
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void tpo_ms(unsigned short duree);// temporisation en ms
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void lcd_init_port(void); // initialisation des broches du ?C
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void lcd_4b(unsigned char car); // envoi des 4 bits
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void lcd_8b(unsigned char car); // envoi des 8 bits de donn?e
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void lcd_car(unsigned char car);// envoi d'une donn?e ? afficher
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void lcd_com(unsigned char com);// envoi d'une commande
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void lcd_init(void); // initialisation de l'afficheur
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void lcd_str(unsigned char *str); // envoi d'une cha?ne de caract?re
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void main(void)
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{
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lcd_init_port();
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lcd_init();
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lcd_str("Bonjour");
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}
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void lcd_init_port(void){
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pd3 = 0xFF;
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}
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void lcd_init(void){
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tpo_ms(15);
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lcd_4b(0x30);
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tpo_ms(5);
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lcd_4b(0x30);
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tpo_us(100);
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lcd_4b(0x30);
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tpo_us(100);
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lcd_4b(0x20); //mode 4 bits activ?
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lcd_com(0x28); //mode 4bits - 2 lignes
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lcd_com(0x06); //Incremente vers la gauche
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lcd_com(0x0E); //LCD ? on, curseur ? on
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lcd_com(0x01); //Clear LCD
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tpo_ms(5);
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}
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void lcd_4b(unsigned char car){
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LCD_E = 1;
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if (car & 16){ //16 bit poids fort
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LCD_DB4 = 1;
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}
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else{
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LCD_DB4 = 0;
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}
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if (car & 32){ //32
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LCD_DB5 = 1;
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}
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else{
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LCD_DB5 = 0;
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}
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if (car & 64){ //64
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LCD_DB6 = 1;
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}
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else{
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LCD_DB6 = 0;
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}
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if (car & 128){ //128
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LCD_DB7 = 1;
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}
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else{
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LCD_DB7 = 0;
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}
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tpo_us(5);
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LCD_E = 0;
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tpo_us(5);
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}
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void lcd_8b(unsigned char car){
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lcd_4b(car);
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lcd_4b(car<<4);
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}
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void lcd_com(unsigned char com){
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LCD_RS = 0;
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lcd_8b(com);
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}
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void lcd_car(unsigned char car){
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LCD_RS = 1;
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lcd_8b(car);
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}
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void lcd_str(unsigned char *str){
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int i = 0;
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while (str[i] != '\0'){
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lcd_car(str[i]);
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i++;
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}
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}
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void tpo_ms(unsigned short duree){
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree * 1000;
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ta0s = 1;
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ta0os = 1;
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ta0ic = 0x00;
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while(ir_ta0ic != 1);
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ta0s = 0;
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}
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void tpo_us(unsigned short duree){
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree;
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ta0ic = 0x00;
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ta0s = 1;
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ta0os = 1;
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while(ir_ta0ic != 1);
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ta0s = 0;
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}
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