Révision 887
Ajouté par nibenmbare il y a environ 4 ans
| SP4b2.c | ||
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void lcd_4b(unsigned char c)
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{
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char c;
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pd1 = 0xff;
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p1_2 = 1;
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c = 0b00100000;
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{
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char c;
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pd1 = 0xff;
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p1_2 = 1;
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c = 0b00100000;
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if (c & 0b10000000)
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p1_7 = 1;
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else
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p1_7 = 0;
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if (c & 0b10000000)
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p1_7 = 1;
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else
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p1_7 = 0;
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if (c & 0b01000000)
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if (c & 0b01000000)
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p1_6 = 1;
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else
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p1_6 = 0;
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p1_6 = 1;
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else
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p1_6 = 0;
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if (c & 0b00100000)
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p1_5 = 1;
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else
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p1_5 = 0;
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if (c & 0b00010000)
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p1_4 = 1;
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else
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p1_4 = 0;
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if (c & 0b00100000)
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p1_5 = 1;
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else
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p1_5 = 0;
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if (c & 0b00010000)
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p1_4 = 1;
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else
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p1_4 = 0;
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p1_2 = 0;
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}
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p1_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(c);
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lcd_4b(c<<4);
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}
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void lcd_8b (unsigned char car)
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{
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lcd_4b(c);
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lcd_4b(c<<4);
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}
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void lcd_com(unsigned char com)
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{
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p1_0 = 0;
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lcd_8b(com);
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void lcd_com(unsigned char com)
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{
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p1_0 = 0;
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lcd_8b(com);
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}
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}
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}
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}
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Formats disponibles : Unified diff
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