root/branch/sabot/sp4abc/sp4b1/SP4b1/SP4b1.c @ 487
| 384 | chsabot | /***********************************************************************/
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/* */
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/* FILE :SP4b1.c */
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/* DATE :Thu, May 20, 2021 */
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/* DESCRIPTION :main program file. */
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/* CPU GROUP :87 */
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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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| 402 | chsabot | #include "sfr32c87.h"
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| 487 | chsabot | #define LCD_E p3_2
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#define LCD_RW p3_1
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#define LCD_DC p3_0
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#define LCD_PORT4 p3_4
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#define LCD_PORT5 p3_5
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#define LCD_PORT6 p3_6
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#define LCD_PORT7 p3_7
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| 402 | chsabot | ||
| 477 | chsabot | ||
//temporisation en us
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| 487 | chsabot | void tpo_us(unsigned short duree){
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree;
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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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| 477 | chsabot | ||
// temporisation en ms
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| 487 | chsabot | void tpo_ms(unsigned short duree){
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tpo_us(duree*1000);
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}
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| 477 | chsabot | ||
//envoie des 4 bits de poids fort
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void lcd_4b(unsigned char car){
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| 487 | chsabot | LCD_E=1;
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pd3=0xff;
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| 477 | chsabot | if (car & 16){
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| 487 | chsabot | LCD_PORT4=1;
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| 477 | chsabot | }
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else{
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| 487 | chsabot | LCD_PORT4=0;
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| 477 | chsabot | }
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if (car & 32){
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| 487 | chsabot | LCD_PORT5=1;
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| 477 | chsabot | }
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else{
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| 487 | chsabot | LCD_PORT5=0;
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| 477 | chsabot | }
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if (car & 64){
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| 487 | chsabot | LCD_PORT6=1;
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| 477 | chsabot | }
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else{
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| 487 | chsabot | LCD_PORT6=0;
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| 477 | chsabot | }
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| 487 | chsabot | if (car & 128){
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LCD_PORT7=1;
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}
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else{
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LCD_PORT7=0;
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}
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LCD_E=0;
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}
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// envoie des 8 bits de donn?e
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void lcd_8b(unsigned char car){
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lcd_4b(car);
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lcd_4b(car<<4);
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| 477 | chsabot | ||
| 384 | chsabot | }
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| 487 | chsabot | //envoi d'une commande
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void lcd_com(unsigned char com){
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LCD_DC=0;
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lcd_8b(com);
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| 402 | chsabot | ||
| 477 | chsabot | }
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| 402 | chsabot | ||
| 487 | chsabot | //envoie d'une donn?e ? l'afficheur
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void lcd_car(unsigned char car){
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LCD_DC=1;
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lcd_8b(car);
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}
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| 477 | chsabot | ||
| 487 | chsabot | //initialisation de l'afficheur
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void lcd_init(void){
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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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tpo_us(100);
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lcd_4b(0x20);//on ecrit juste une fois(pas 2 segments)
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lcd_com(0x28);//mode 2 lignes
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lcd_com(0x06);//incrementation du curseur
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lcd_com(0x0E);//Ecran allum? + curseur
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lcd_com(0x01);//effacer
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tpo_ms(5);
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}
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//envoi d'une chaine de carateres
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void lcd_str(unsigned char *str){
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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=i+1;
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}
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}
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| 477 | chsabot | //void main(void){
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| 487 | chsabot | // pd3=0xff;
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// lcd_init();
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// lcd_4b(0xf0);
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// lcd_8b(0x28);
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// lcd_car('a');
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// lcd_car('b');
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// lcd_str("salut");
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| 477 | chsabot | //}
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| 487 | chsabot | //Clavier
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char t;
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char touche;
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void main(void){
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pd10=0x0F;
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pu31=1;
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p10=0x00;
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pd3=0xff;
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lcd_init();
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while(1){
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t=p10;
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if(t!=0xF0){
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p10=0xFE;
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t=p10;
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if(t==0xDE){
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touche='2';
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lcd_car(touche);
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}
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if(t==0x7E){
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touche='3';
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lcd_car(touche);
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}
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if(t==0xBE){
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touche='1';
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}
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p10=0xFD;
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t=p10;
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if(t==0x7D){
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touche='6';
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}
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if(t==0xDD){
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touche='5';
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}
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if(t==0xBD){
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touche='4';
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}
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}
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}
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}
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