diff options
Diffstat (limited to 'Lab5.X/lab5_lcd.c')
| -rw-r--r-- | Lab5.X/lab5_lcd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Lab5.X/lab5_lcd.c b/Lab5.X/lab5_lcd.c index 8c0af52..f9567ad 100644 --- a/Lab5.X/lab5_lcd.c +++ b/Lab5.X/lab5_lcd.c @@ -1,7 +1,9 @@ #include "xc.h" #include "lab5_lcd.h" #include "string.h" -#define CON 32 +//CON should be between 0 and 0xFF. +#define CON 0x00 + //Obligatory delay function void delay(long n){ for (n=n; n>0; n--) { @@ -31,7 +33,7 @@ void lcd_init(void) { lcd_cmd(0b00111000); // function set, normal instruction mode lcd_cmd(0b00111001); // function set, extended instruction mode lcd_cmd(0b00010100); // interval osc - lcd_cmd(0b01110000); // contrast C3-C0 + lcd_cmd((0b0111 << 4) + CON); // contrast C3-C0 lcd_cmd(0b01011110); // Ion, Bon, C5-C4 lcd_cmd(0b01101100); // follower control delay(266665); |