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/***********************************************************************/
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/* */
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/* FILE :SP4b2.c */
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/* DATE :Fri, May 28, 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 p1 p3;
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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_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_car(unsigned char car);// envoi d'une donn?e ? afficher
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void main(void)
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{
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// pd1 = 0xFF;
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pd3=0xff;
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while(1)
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{
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lcd_4b(0x30);
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lcd_8b(0x03);
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lcd_com(0x80);
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lcd_init();
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lcd_car('A');
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}
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}
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void lcd_8b(unsigned char car) // envoi des 8 bits de donn?e
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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_4b(unsigned char car)
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{
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p3_0=1; // E=1
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if(car&0x80)
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{
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p1_7=1;
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}
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else
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{
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p1_7=0;
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}
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if(car&0x40)
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{
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p1_6=1;
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}
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else
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{
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p1_6=0;
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}
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if(car&0x20)
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{
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p1_5=1;
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}
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else
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{
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p1_5=0;
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}
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if(car&0x10)
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{
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p1_4=1;
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}
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else
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{
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p1_4=0;
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}
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p1_2=1; // E=0
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}
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void lcd_com(unsigned char car)
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{
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p1_0=0;
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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_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);
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lcd_com(0x28);
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lcd_com(0x06);
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lcd_com(0x0E);
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lcd_com(0x01);
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//tpo_ms(5);
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}
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void lcd_car(unsigned char car)
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{
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p3_0=1;
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lcd_8b(car);
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}
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