Révision 435
Ajouté par albeaufour il y a presque 4 ans
| SP4b2.c | ||
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/* NOTE:THIS IS A TYPICAL EXAMPLE. */
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/***********************************************************************/
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void main(void)
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#define PLCD p1;
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#define LCD_DC p3_0;
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#define LCD_RW P3_1;
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#define LCD_E p3_2;
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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 LCD4b_H(char c)
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{
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pd1 = 0xFF;
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LCD_E = 1;
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p1_7 = ( c & 0b10000000)>>7;
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p1_6 = ( c & 0b01000000)>>6;
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p1_5 = ( c & 0b00100000)>>5;
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p1_4 = ( c & 0b00010000)>>4;
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LCD_E = 0;
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}
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void LCD4b_L(char c)
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{
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LCD_E = 1;
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p1_3 = ( c & 0b00001000)>>3;
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p1_2 = ( c & 0b00000100)>>2;
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p1_1 = ( c & 0b00000010)>>1;
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p1_0 = ( c & 0b00000001);
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LCD_E = 0;
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}
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/*
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// initialize the LCD display
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void lcd_init(void)
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{
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LCD_DC=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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*/
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void main(void)
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{
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LCD4b('a');
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}
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Formats disponibles : Unified diff
ajout sfr32c87.h