root/branch/aseck/sp4b2/SP4b2/SP4b2.c @ 505
| 493 | abseck1 | /***********************************************************************/
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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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| 505 | abseck1 | #include "sfr32c87.h"
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#define RS p1_0
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#define RW p1_1
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#define E p1_2
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#define BF p0_7
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void tempo(void)
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| 493 | abseck1 | {
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| 505 | abseck1 | int i;
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for (i=0 ; i<1000 ;i++)
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asm("nop");
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}
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void init_ports_aff(void)
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{
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pd0 = 0xff;
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p0 = 0x00;
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pd1= 0xff;
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p1=0x00;
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}
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void busy(void)
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{
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pd0=0x00;//entr?e
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RS=0;
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RW=1;
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E=1;
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while(BF!=0);
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E=0;
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pd0=0xff;//sortie
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}
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void affiche_caractere(unsigned char caractere)
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{
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| 493 | abseck1 | ||
| 505 | abseck1 | RS=1;
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RW=0;
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p0=caractere;
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E=1;
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tempo();
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E=0;
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tempo();
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busy();
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| 493 | abseck1 | }
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| 505 | abseck1 | ||
void affiche_commande(unsigned char commande)
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{
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RS=0;
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RW=0;
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p0=commande;
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E=1;
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tempo();
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E=0;
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tempo();
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busy();
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}
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