Révision 585
Ajouté par jgsoleilla il y a presque 4 ans
| SP4b2.c | ||
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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 init(void); // initialisation des broches du ?C / initialisation de l'afficheur et du clavier
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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 clavier(void); // detection des touches du clavier
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void affichage(unsigned char *str); // Affichage sur l'ecran
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void main(void)
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{
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char t;
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unsigned char touche;
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pu31 =1;
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pd10 = 0x0F;
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lcd_init_port();
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lcd_init();
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//lcd_str("Bonjour");
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char touche = 0;
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init();
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// while(1){
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while(1){
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// touche = clavier();
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// }
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touche = p10;
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if (touche != 0xF0){
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clavier();
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}
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}
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}
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void lcd_init_port(void){
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void init(void){
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// Init port
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pd3 = 0xFF;
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}
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void lcd_init(void){
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pd10 = 0x0F;
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p10 = 0;
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pu31 = 1;
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//Init lcd
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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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| ... | ... | |
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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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| ... | ... | |
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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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| ... | ... | |
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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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i += 1;
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}
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}
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/*
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unsigned char clavier(void){
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void clavier(void){
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unsigned char t;
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p10 = 0x0E;
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t = p10;
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unsigned char touche;
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if (t == 0xBE){
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touche = '1';
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affichage("50 Km/h");
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}
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if (t == 0xDE){
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touche = '2';
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affichage("70 Km/h");
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}
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if (t == 0x7E){
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touche = '3';
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affichage("90 Km/h");
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}
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p10 = 0x0D;
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t = p10;
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if (t == 0xBD){
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touche = '4';
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affichage("110 Km/h");
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}
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if (t == 0xDD){
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touche = '5';
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affichage("130 Km/h");
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}
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if (t == 0x7D){
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touche = '6';
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affichage("...");
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}
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p10 = 0x0B;
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t = p10;
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if (t == 0xEB){
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touche = '7';
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affichage("Ajout Zone");
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}
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if (t == 0xDB){
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touche = '8';
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affichage("...");
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}
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if (t == 0x7B){
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touche = '9';
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affichage("...");
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}
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p10 = 0x07;
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t = p10;
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if (t == 0xE7){
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touche = '*';
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affichage("*");
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}
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if (t == 0xD7){
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touche = '0';
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affichage("Arret Alarme");
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}
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if (t == 0x77){
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touche = '#';
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affichage("#");
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}
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return touche;
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}
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*/
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void affichage(unsigned char *str){
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lcd_com(0x01);
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tpo_ms(50);
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lcd_str(str);
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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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Formats disponibles : Unified diff
SP4b3 : Modifications code TP12 + finalisation code clavier/afficheur.