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/***********************************************************************/
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/* */
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/* FILE :SP4b1.c */
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/* DATE :Tue, May 18, 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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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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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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int i;
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void main(void){
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init_keyboard();
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while(1){
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pd10 = 0x0F;
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p10=0;
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pu31 = 1;
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pu30 = 1;
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/*if ((p10 & 0xf0)!= 0xf0)*/{
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touche = p10;
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tpo_50ms();
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premier_code_touche = touche & 0xF0; /****/
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pd10 = 0xF0;
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// p10 = 0; //**
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pu31 = 1; //***
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p10 = touche;
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touche = p10;
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deuxieme_code_touche = 0x0F & touche;
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code_touche = deuxieme_code_touche+premier_code_touche;
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}
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decode_touche(code_touche,&valeur_touche);
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}
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}
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void init_keyboard(void){
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pd10 = 0x0F;
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p10=0;
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pu31 = 1; //**
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}
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void tpo_50ms(void){
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tcspr = 0x8A;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 'be' :
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*valeur_touche = '1';
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break;
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case 'de' :
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*valeur_touche = '2';
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break;
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case '7e' :
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*valeur_touche = '3';
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break;
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case 'bd' :
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*valeur_touche = '4';
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break;
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case 'dd' :
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*valeur_touche = '5';
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break;
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case '7d' :
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*valeur_touche = '6';
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break;
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case 'eb' :
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*valeur_touche = '7';
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break;
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case 'bb' :
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*valeur_touche = '8';
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break;
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case '7b' :
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*valeur_touche = '9';
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break;
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case 'e7' :
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*valeur_touche = '*';
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break;
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case 'd7' :
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*valeur_touche = '0';
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break;
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case '77' :
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valeur_touche = '#';
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break;
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}
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}
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