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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_DC 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 de poids fort
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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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char touche_app(void);//renvoie la touche que l'on appuie
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void main(void)
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{
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char touche;
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pd3=0xff;
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pd10 = 0x0F;
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lcd_init();
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while(1)
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{
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touche = touche_app();
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lcd_car(touche);
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tpo_ms(500);
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}
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}
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void tpo_us(unsigned short duree)
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{
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree;
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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_ms(unsigned short duree)
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{
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tpo_us(duree*1000);
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}
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void lcd_4b(unsigned char car)
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{
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LCD_E = 1;
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if ((car & 0x80)==0x80)
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{
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LCD_DB7 = 1;
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} else {
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LCD_DB7 = 0;
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}
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if ((car & 0x40)==0x40)
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{
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LCD_DB6 = 1;
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} else {
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LCD_DB6 = 0;
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}
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if ((car & 0x20)==0x20)
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{
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LCD_DB5 = 1;
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} else {
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LCD_DB5 = 0;
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}
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if ((car & 0x10)==0x10)
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{
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LCD_DB4 = 1;
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} else {
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LCD_DB4 = 0;
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}
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LCD_E = 0;
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}
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void lcd_8b(unsigned char car)
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{
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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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{
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LCD_DC = 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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{
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LCD_DC = 1;
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lcd_8b(car);
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}
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void lcd_init(void)
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{
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LCD_DC = 0;
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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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lcd_4b(0x20); //mode 4 bits
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lcd_com(0x28); //?criture sur 2 lignes
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lcd_com(0x06); //incr?menter vers la gauche
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lcd_com(0x0F); //rallumer l'?cran avec curseur
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lcd_com(0x01); //clear
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tpo_ms(5);
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}
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void lcd_str(unsigned char *str)
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{
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int i = 0;
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char strb = str[0];
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while (strb != '\0')
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{
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lcd_car(strb);
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i++;
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strb = str[i];
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}
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}
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char touche_app(void)
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{
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char t;
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char touche;
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pu31 = 1;
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p10 = 0;
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while(1)
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{
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t = p10;
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if(t !=0xf0)
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{
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p10 = 0xfe;
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t = p10;
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if (t==0xbe)
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{
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touche = '1';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xde)
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{
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touche = '2';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0x7e)
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{
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touche = '3';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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p10 = 0xfd;
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t = p10;
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if (t==0xbd)
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{
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touche = '4';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xdd)
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{
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touche = '5';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0x7d)
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{
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touche = '6';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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p10 = 0xfb;
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t = p10;
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if (t==0x7b)
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{
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touche = '9';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xdb)
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{
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touche = '8';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xeb)
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{
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touche = '7';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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p10 = 0xf7;
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t = p10;
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if (t==0xd7)
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{
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touche = '0';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0x77)
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{
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touche = '#';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xe7)
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{
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touche = '*';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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p10 = 0xf;
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t = p10;
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if (t==0xbe)
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{
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touche = '1';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0xde)
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{
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touche = '2';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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if (t==0x7e)
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{
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touche = '3';
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tpo_ms(500);
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return touche;
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exit(1);
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}
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}
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}
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}
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