root/branch/leroy/sp4b2/SP4b2/SP4b2.c @ 517
| 491 | jeleroy | /***********************************************************************/
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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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| 499 | jeleroy | #include "sfr32c87.h"
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| 491 | jeleroy | ||
| 517 | jeleroy | /* definition des ports connect?s au micro-controlleur*/
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| 499 | jeleroy | #define port pd3
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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_B4 p3_4
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#define LCD_B5 p3_5
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#define LCD_B6 p3_6
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#define LCD_B7 p3_7
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| 517 | jeleroy | ||
| 499 | jeleroy | void LCD_init_port(void);
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| 517 | jeleroy | /*D?claration des fonction utilis?es*/
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| 499 | jeleroy | void tpo_us(unsigned short duree);
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void tpo_ms(unsigned short duree);
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void LCD_4b(unsigned char car);
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void LCD_8b(unsigned char car);
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void LCD_com(unsigned char car);
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void LCD_init(void);
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void LCD_char(unsigned char car);
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void LCD_str(unsigned char *str);
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| 517 | jeleroy | void init_keyboard(void);
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void tpo_50ms(void);
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void decode_touche(unsigned char code_touche,unsigned char* valeur_touche);
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| 499 | jeleroy | ||
| 517 | jeleroy | //D?claration des variables
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unsigned char touche = 0;
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unsigned char premier_code_touche = 0;
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unsigned char deuxieme_code_touche = 0;
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unsigned char code_touche = 0;
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unsigned char valeur_touche;
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| 499 | jeleroy | void LCD_init_port(void){
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port = 0xFF;
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}
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void tpo_us(unsigned short duree){
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| 517 | jeleroy | tcspr = 0x8A; //Rapport de division fr?quence
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ta0mr = 0x82; //Mode comptage une seule fois
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ta0 = duree; //Valeur de la temporisation
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ta0s = 1; //D?but comptage
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ta0os = 1; //D?marrage comptage
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ta0ic = 0x00; //D?sactivation des interruptions
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| 499 | jeleroy | while(ir_ta0ic != 1);
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| 517 | jeleroy | ta0s = 0; //Fin comptage
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| 499 | jeleroy | }
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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 LCD_4b(unsigned char car){
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| 517 | jeleroy | LCD_E = 1; //Pr?t ? envoyer une donn?e (sur front descendant
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| 499 | jeleroy | ||
| 517 | jeleroy | if (car & 128){ //Si le bits de poids fort vaut 1
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LCD_B7 = 1; //Application d'un 1 sur la sortie
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| 499 | jeleroy | }else{
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| 517 | jeleroy | LCD_B7 = 0; //Sinon application d'un 0 sur la sortie
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| 499 | jeleroy | }
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if (car & 64){
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LCD_B6 = 1;
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}else{
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LCD_B6 = 0;
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}
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if (car & 32){
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LCD_B5 = 1;
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}else{
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LCD_B5 = 0;
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}
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if (car & 16){
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LCD_B4 = 1;
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}else{
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LCD_B4 = 0;
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}
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| 517 | jeleroy | LCD_E = 0; //Donn?e envoy?e
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| 499 | jeleroy | }
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void LCD_8b(unsigned char car){
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| 517 | jeleroy | LCD_4b(car); //Envoi du bit de poids fort
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LCD_4b(car<<4); //Envoi du bit de poids faible
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| 499 | jeleroy | }
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void LCD_com(unsigned char car){
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| 517 | jeleroy | LCD_RS = 0; //Envoi d'une commande
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| 499 | jeleroy | LCD_8b(car);
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}
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void LCD_init(void){
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| 517 | jeleroy | //Processus necesaire ? l'initialisation de l'afficheur
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| 499 | jeleroy | LCD_RS=0;
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tpo_ms(15);
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| 517 | jeleroy | LCD_4b(0x30); //Afficheur en mode 8 bits
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| 499 | jeleroy | tpo_ms(5);
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| 517 | jeleroy | LCD_4b(0x30); //Afficheur en mode 8 bits
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| 499 | jeleroy | tpo_us(100);
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| 517 | jeleroy | LCD_4b(0x30); //Afficheur en mode 8 bits
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| 499 | jeleroy | tpo_us(100);
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LCD_4b(0x20);
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LCD_com(0x28);
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LCD_com(0x06);
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| 517 | jeleroy | LCD_com(0x0E); //Extinction de l'afficheur
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LCD_com(0x01); //R?initialisation de l'afficheur
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| 499 | jeleroy | tpo_ms(5);
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}
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void LCD_char(unsigned char car){
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| 517 | jeleroy | LCD_RS = 1; //Envoi d'une donn?e
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LCD_8b(car); //Envoi d'un caract?re
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| 499 | jeleroy | }
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| 517 | jeleroy | void LCD_str(unsigned char *str){//Envoi d'une chaine de caract?re
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| 499 | jeleroy | int i = 0;
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| 517 | jeleroy | while(str[i] != '\0'){ //Tant que l'on est pas ? la fin de la chaine de caract?re
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LCD_char(str[i]);
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| 499 | jeleroy | i ++;
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}
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}
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| 517 | jeleroy | void init_keyboard(void){
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pd10 = 0x0F; //Configuration des broches du clavier en entr?e/sortie
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p10=0; //Mise des broches du port 1? ? 0
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pu31 = 1; //Activation des r?sistance de tirage ? l'?tat haut
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}
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void tpo_50ms(void){
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = 50000;
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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 decode_touche(unsigned char code_touche,unsigned char* valeur_touche){
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switch(code_touche){
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case (0xBE): //Code de la touche du clavier
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*valeur_touche = 0x31;//code de la touche en hexadecimale
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break;
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case (0xDE):
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*valeur_touche = 0x32;
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break;
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case (0x7E):
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*valeur_touche = 0x33;
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break;
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case (0xBD):
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*valeur_touche = 0x34;
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break;
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case (0xDD):
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*valeur_touche = 0x35;
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break;
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case (0x7D):
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*valeur_touche = 0x36;
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break;
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case (0xEB):
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*valeur_touche = 0x37;
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break;
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case (0xDB):
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*valeur_touche = 0x38;
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break;
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case (0x7B):
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*valeur_touche = 0x39;
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break;
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case (0xE7):
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*valeur_touche = 0x2A;
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break;
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case (0xD7):
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*valeur_touche = 0x30;
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break;
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case (0x77):
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*valeur_touche = 0x23;
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break;
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}
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}
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| 491 | jeleroy | void main(void)
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| 517 | jeleroy | {
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char car[] = {'B','o','n','j','o','u','r',' '};
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LCD_init_port(); //Initialisation des broches
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LCD_init(); //Initialisation de l'afficheur
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while (1){
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init_keyboard();
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pd10 = 0x0F; //Mode entr?e (colonnes) sortie (lignes)
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p10=0; //Mise ? 0 des sorties
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pu31 = 1; //Activation des r?sistance de tirage ? l'?tat haut (colonnes)
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pu30 = 1;//Activation des r?sistance de tirage ? l'?tat haut (lignes)
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touche = p10; //Lecture de la valeur sur les sorties
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tpo_50ms(); //anti rebond
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while(p10 == 0xF0);
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premier_code_touche = touche & 0xF0; //Stockage du premier code de la touche
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pd10 = 0xF0; ////Mode sortie (colonnes) entr?e (lignes)
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p10 = 0;
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pu31 = 1;
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p10 = touche; //stockage du premier code la touche dans p10 pour l'appliquer sur les sorties du micro-controlleur
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touche = p10;
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deuxieme_code_touche = 0x0F & touche;//Stockage du deuxi?me code de la touche
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code_touche = deuxieme_code_touche+premier_code_touche;//Stockage des deux code de la touche
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while(p10 == 0x0F);
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decode_touche(code_touche, &valeur_touche);
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LCD_char(valeur_touche);// Affichage de la valeur de la touche
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| 491 | jeleroy | }
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| 517 | jeleroy | ||
}
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