From e9f3d4a56d10de933c9c22646a7b084ec3cff20f Mon Sep 17 00:00:00 2001
From: RossTheRoss <msattr@gmail.com>
Date: Fri, 24 Apr 2020 13:16:17 -0500
Subject: Add MORE stuff I forget to commit

---
 Lab5.X/lab5_lcd.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'Lab5.X/lab5_lcd.c')

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);
-- 
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