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[add] opdradcht 2.5

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stijn
2021-02-11 23:03:01 +01:00
parent 093ffec420
commit e6b527ccfc
5 changed files with 247 additions and 0 deletions
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39
Microcontrollers/Opdracht 2.2/main.c
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@@ -64,3 +64,42 @@ int main(void)
}
}
void lcd_strobe_lcd_e(void) {
PORTC |= (1<<LCD_E); // E high
_delay_ms(1);
PORTC &= ~(1<<LCD_E); // E low
}
void init_4bits_mode(void) {
// PORTC output mode and all low (also E and RS pin)
DDRC = 0xFF;
PORTC = 0x00;
PORTC = 0x20; // (0x28 for 2 lines)
lcd_strobe_lcd_e();
}
void init_4bits_mode(void) {
// PORTC output mode and all low (also E and RS pin)
DDRC = 0xFF;
PORTC = 0x00;
PORTC = 0x20; // function for 4-bit 1 row
lcd_strobe_lcd_e();
PORTC = 0x20; // function high nibble 4-bit 2 row
lcd_strobe_lcd_e();
PORTC = 0x80; // function low nibble 4-bit 2 row
lcd_strobe_lcd_e();
PORTC = 0x00; // function high nibble turn on visible blinking-block cursor
lcd_strobe_lcd_e();
PORTC = 0xF0; // function low nibble turn on visible blinking-block cursor
lcd_strobe_lcd_e();
PORTC = 0x00; // Entry mode set high nibble
lcd_strobe_lcd_e();
PORTC = 0x60; // Entry mode set low nibble
lcd_strobe_lcd_e();
}