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/***********************************************************************/
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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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#include "sfr32c87.h"
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void lcd_4b(unsigned char car);
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void lcd_8b(unsigned char car);
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void lcd_com(unsigned char com);
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void lcd_init(void);
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void lcd_car(unsigned char car);
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void tpo_us(unsigned short duree);// temporisation en ?s
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void tpo_ms(unsigned short duree);// temporisation en ms
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void main(void)
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{
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unsigned char c='C';
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pd3=0xFF;
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lcd_init(); //initialiser avant d'envoyer !!
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lcd_car(c);
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}
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void lcd_4b(unsigned char car) // envoi des 4 bits de poids fort
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{
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//pd3=0xFF; // definir les ports du registres pDi ouvert
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//p1_2=0; // commande signal E
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//p1_4=1;
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//p1_5=1;
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//p1_6=1;
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//p1_7=1;
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//p1_4=0;
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//p1_5=1;
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//p1_6=0;
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//p1_7=1;
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p3_2=1;
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if (car & 0x10)
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{
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p3_4=1;
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}
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else
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{
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p3_4=0;
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}
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if(car & 0x20)
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{
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p3_5=1;
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}
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else
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{
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p3_5=0;
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}
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if (car & 0x40)
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{
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p3_6=1;
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}
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else
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{
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p3_6=0;
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}
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if (car & 0x80)
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{
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p3_7=1;
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}
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else
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{
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p3_7=0;
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}
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p3_2=0;
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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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// char a;
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// a=c<<4;
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// Lcd_4b(a)
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// p1_3=p1_7;
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// p1_2=p1_6;
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// p1_1=p1_5;
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// p1_0=p1_4;
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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_com(unsigned char car) // envoi d'une commande
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{
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p3_0=0; // autorise l'envoi de commande
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lcd_8b(car);
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}
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void lcd_car(unsigned char car) // envoi d'une donn?e ? afficher
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{
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p3_0=1; // autorise envoi caracteres
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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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p3_0=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);
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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 tpo_us(unsigned short duree) // temporisation en ?s
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{
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree;
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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 tpo_ms(unsigned short duree)// temporisation en ms
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{
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tcspr = 0x8A;
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ta0mr = 0x82;
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ta0 = duree*1000;
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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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