From 859b9f7781d2fc57cfbad02b6174761be8c9ce3f Mon Sep 17 00:00:00 2001
From: Joseph Bryant <jbryant0653@floridapoly.edu>
Date: Sun, 21 Apr 2024 22:18:49 -0400
Subject: [PATCH] Fully functional lcd!!!

---
 lcd.c | 56 ++++++++++++++++++++++----------------------------------
 1 file changed, 22 insertions(+), 34 deletions(-)

diff --git a/lcd.c b/lcd.c
index d859320..3e18d80 100644
--- a/lcd.c
+++ b/lcd.c
@@ -132,7 +132,7 @@ void setup() {
 
 ISR(PCINT1_vect) {
     // Update button state when any pin changes state
-    for (unsigned char i = 0; i <= 5; i++) {
+    for (unsigned char i = 4; i <= 5; i++) {
 	    if (PINC & (1 << i)) {
 		    if(buttonState == 0) 
 		    	buttonState = i;
@@ -148,8 +148,8 @@ void displayNotes() {
     static int bufferIndex = 0;
 
     lcd_clear();
-    lcd_gotoxy(1, 1);
-    lcd_print("Play");
+    lcd_gotoxy(6, 2);
+    lcd_print("PLAY");
     _delay_ms(1000);
     lcd_clear();
     _delay_ms(1000);
@@ -165,14 +165,14 @@ void displayNotes() {
             circularBuffer[16 - 1] = randomValue;
         } else {
             // Add the new value to the buffer
-            circularBuffer[bufferIndex++] = randomValue;
+            circularBuffer[bufferIndex] = randomValue;
+	    bufferIndex++;
         }
 
         lcd_clear();
-        lcd_gotoxy(1, 1);
-        for (int i = 0; i < bufferIndex; i++) {
-            char singleChar[2] = {circularBuffer[bufferIndex - i], '\0'};
-	    lcd_gotoxy(16 - i, 1);
+        for (int i = 0; i <= bufferIndex - 1; i++) {
+            char singleChar[2] = {circularBuffer[i], '\0'};
+	    lcd_gotoxy(17-bufferIndex+i ,1);
 	    lcd_print(singleChar); // Print the single character
         }
 
@@ -188,8 +188,8 @@ void displaySerialData() {
     char circularBuffer[16];
     static int bufferIndex = 0;
     lcd_clear();
-    lcd_gotoxy(1, 1);
-    lcd_print("Record");
+    lcd_gotoxy(3, 2);
+    lcd_print("RECORD");
     _delay_ms(1000);
     lcd_clear();
     _delay_ms(1000);
@@ -205,16 +205,17 @@ void displaySerialData() {
             circularBuffer[16 - 1] = randomValue;
         } else {
             // Add the new value to the buffer
-            circularBuffer[bufferIndex++] = randomValue;
+            circularBuffer[bufferIndex] = randomValue;
+	    bufferIndex++;
         }
-
+	
         lcd_clear();
 	lcd_gotoxy(1,1);
-        for (int i = (bufferIndex > 16) ? bufferIndex - 16 : 0; i < bufferIndex; i++) {
-            char singleChar[2] = {circularBuffer[i], '\0'};
+        for (int i = 0; i <= bufferIndex-1; i++) {
+            char singleChar[2] = {circularBuffer[bufferIndex- 1 - i], '\0'};
 	    lcd_print(singleChar); // Print the single character
         }
-
+	
         _delay_ms(1000);
     }
     bufferIndex = 0;
@@ -223,10 +224,8 @@ void displaySerialData() {
 
 //*******************************************************
 int main(void) {
-	lcd_init();
 	lcd_init();
 	lcd_hideCursor();
-
 	setup();
 	lcd_clear();
     	while (1) {
@@ -236,23 +235,12 @@ int main(void) {
 
        		} else if (buttonState == 4) {
 			displayNotes();
-        	}
+        	} 
+		else { 
+			lcd_gotoxy(6,2);
+			lcd_print("PIANO");
+			_delay_ms(1000);
+		}
 	}
     	return 0;
-	/*while (1) {
-		lcd_clear();
-		lcd_gotoxy(1, 1);
-		lcd_print("Note 1:");
-		lcd_gotoxy(1, 2);
-		lcd_print("one country");
-		lcd_showCursor();
-		_delay_ms(2500);
-		lcd_clear();
-		lcd_gotoxy(1, 1);
-		lcd_print("and mankind its");
-		lcd_gotoxy(1, 2);
-		lcd_print("citizens.");
-		_delay_ms(3500);
-	}
-	return 0;*/
 }