Révision 623
Ajouté par Abdou FAYE 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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#include "sfr32c87.h"
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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 poids fort
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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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{
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lcd_4b(0x30);
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lcd_8b(0x3F);
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}
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}
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/*void lcd_8b(unsigned char car); // envoi des 8 bits de poids fort
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{
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lcd_4b(car<<4);
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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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pd1 =0xFF;
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p1_2 = 0; // 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&0x10)
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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&0x01)
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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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}
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Formats disponibles : Unified diff
fin tP SPb2