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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 LCD_PORT p3
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#define LCD_PORT_DIR 1
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#define LCD_E LCD_PORT_2
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#define LCD_RW LCD_PORT_1
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#define LCD_DC LCD_PORT_0
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#define LCD_E_DIR LCD_PORT_DIR
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#define LCD_RW_DIR LCD_PORT_DIR
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#define LCD_DC_DIR LCD_PORT_DIR
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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 car);
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void lcd_init (void);
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void lcd_car (unsigned char c);
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void tpo_ms(int t);
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void tpo_us(int t);
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char t;
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char touche;
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void main(void)
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{
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/*pd1=0xFF; // d?clare la broche p1 en sortie
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lcd_4b(0xFF); // variable de test mise ? 1111 1111
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lcd_8b(0xFF); // appel de la fonction lcd_8b en lui passant la variable de t 1111 1111 */
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char c;
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lcd_init ();
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pd10= 0x0F;
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pu31=1;
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p10=0x00;
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while (1)
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{
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t=p10;
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p10= 0xFe;
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t=p10;
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if (t==0xDe)
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{
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touche ='2';
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}
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if (t==0xbe)
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{
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touche ='1';
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}
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if (t==0x7e)
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{
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touche ='3';
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}
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p10= 0xFd;
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t=p10;
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if (t==0xdd)
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{
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touche ='5';
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}
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if (t==0xbd)
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{
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touche ='4';
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}
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if (t==0x7d)
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{
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touche ='6';
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}
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p10= 0xFb;
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t=p10;
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if (t==0xdb)
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{
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touche ='8';
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}
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if (t==0xeb)
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{
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touche ='7';
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}
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if (t==0x7b){
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touche ='9';
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}
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p10= 0xF7;
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t=p10;
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if (t==0xd7)
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{
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touche ='0';
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}
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if (t==0x77)
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{
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touche ='#';
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}
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if (t==0xe7)
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{
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touche ='*';
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}
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lcd_car (touche);
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}
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}
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void lcd_4b(unsigned char car)
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{
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p3_2=1; //commande du signal E (active la lecture et l'?criture)
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if (car & 0x80) // compare 1111111 & 1000 0000 renvois 1 donc on rentre dans le if
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p3_7=1;
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else {
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p3_7=0;
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}
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if (car & 0x40 ) // compare 1111111 & 0100 0000 renvois 1 donc on rentre dans le if
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p3_6=1;
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else {
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p3_6=0;
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}
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if (car & 0x20)
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p3_5=1;
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else {
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p3_5=0;
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}
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if (car & 0x10 )
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p3_4=1;
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else {
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p3_4=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)
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{
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lcd_4b(car); // test pour affichage des bits de poids forts
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lcd_4b(car << 4); // test pour affichage des bits de poids faibles
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}
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void lcd_com(unsigned char car)
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{
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p3_0=0;
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lcd_8b(car);
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}
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void tpo_ms(int t)
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{
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tcspr = 0x8a;
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ta0mr = 0x82;
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ta0=t*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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void tpo_us(int t)
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{
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tcspr = 0x8a;
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ta0mr = 0x82;
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ta0=t;
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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 lcd_init (void)
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{
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pd3=0xFF;
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p3 = 0;
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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 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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