Révision 433
Ajouté par magraffin il y a presque 4 ans
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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_E
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#define LCD_RW
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#define LCD_DC
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#define LCD_E_DIR
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#define LCD_RW_DIR
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#define LCD_DC_DIR
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#define LCD_PORT
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#define LCD_PORT_DIR
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#define plcd p1
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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 lcd_init_port(void);// initialisation des broches du ?C
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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_car(unsigned char car);// envoi d'une donn?e ? afficher
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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_str(unsigned char *str);// envoi d'une cha?ne de caract?re
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void main(void)
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{
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pd1=0xff;
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while(1){
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lcd_4b(0b1111);
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lcd_4b(0b0100);
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lcd_4b(0b0010);
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lcd_4b(0b0001);
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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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p1_2=1;
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p1_4=car & 0b0001;
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p1_5=(car & 0b0010)>>1;
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p1_6=(car & 0b0100)>>2;
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p1_7=(car & 0b1000)>>3;
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p1_2=0;
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}
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Formats disponibles : Unified diff
lcd 4bit fonctionnel