Révision 340
Ajouté par clbouillot2 il y a presque 4 ans
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/* NOTE:THIS IS A TYPICAL EXAMPLE. */
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/***********************************************************************/
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void main(void)
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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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unsigned char touche_c = 0;
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unsigned char touche_appuyee;
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void main(void){
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init_keyboard();
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while(1){
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if ( (p10 & 0xf0)!= 0xf0 ){ //les colonnes sont en entr?es
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touche_c = p10 ;
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tpo_50ms() ; // une temporisation entre en oeuvre pour ?viter les ph?nom?nes de rebond
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p10 = 0x0e;
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if ( (p10 & 0xff)== 0xbe ){ //diff?rents tests
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touche_appuyee = '1';
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}
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if ( (p10 & 0xff)== 0xde ){
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touche_appuyee = '2';
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}
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if ( (p10 & 0xff)== 0x7e ){
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touche_appuyee = '3';
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}
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p10 = 0x0d;
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if ( (p10 & 0xff)== 0xbd ){
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touche_appuyee = '4';
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}
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if ( (p10 & 0xff)== 0xdd ){
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touche_appuyee = '5';
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}
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if ( (p10 & 0xff)== 0x7d ){
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touche_appuyee = '6';
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}
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p10 = 0x0b;
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if ( (p10 & 0xff)== 0xeb ){
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touche_appuyee = '7';
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}
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if ( (p10 & 0xff)== 0xdb ){
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touche_appuyee = '8';
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}
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if ( (p10 & 0xff)== 0x7b ){
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touche_appuyee = '9';
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}
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p10 = 0x07;
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if ( (p10 & 0xff)== 0xe7 ){
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touche_appuyee = '*';
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}
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if ( (p10 & 0xff)== 0xd7 ){
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touche_appuyee = '0';
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}
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if ( (p10 & 0xff)== 0x77 ){
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touche_appuyee = '#';
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}
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}
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init_keyboard();
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}
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}
+
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void init_keyboard(void){
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pd10 = 0x0f; p10=0 ;pu31 = 1;
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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;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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Formats disponibles : Unified diff
implantation du code pour le clavier matricé