make lcd.c compile

1 files changed, 59 insertions, 45 deletions

diff --git a/lcd.c b/lcd.c
index 2deb80c..6d9bd4a 100644
--- a/lcd.c
+++ b/lcd.c
@@ -1,13 +1,18 @@
 #include <avr/io.h>
+
+#define F_CPU   16000000UL
 #include <util/delay.h>
 
 // Define LCD control pin connections
-#define LCD_RS_PIN   PB0
-#define LCD_RW_PIN   PB1
-#define LCD_E_PIN    PB2
+#define LCD_RS_PIN      PB0
+#define LCD_RW_PIN      PB1
+#define LCD_E_PIN       PB2
+#define LCD_RS_PORT     PORTB
+#define LCD_RW_PORT     PORTB
+#define LCD_E_PORT      PORTB
 // Define LCD data pin connections
-#define LCD_DATA_PORT PORTD
-#define LCD_DATA_DDR  DDRD
+#define LCD_DATA_PORT   PORTD
+#define LCD_DATA_DDR    DDRD
 
 // Function prototypes
 void LCD_init();
@@ -15,61 +20,70 @@ void LCD_command(uint8_t cmd);
 void LCD_write(uint8_t data);
 void LCD_send(char* str);
 
-int main() {
-    // Set control pins as outputs
-    DDRB |= (1 << LCD_RS_PIN) | (1 << LCD_RW_PIN) | (1 << LCD_E_PIN);
-    // Set data pins as outputs
-    LCD_DATA_DDR = 0xFF;
+int
+main()
+{
+        // Set control pins as outputs
+        DDRB |= (1 << LCD_RS_PIN) | (1 << LCD_RW_PIN) | (1 << LCD_E_PIN);
+        // Set data pins as outputs
+        LCD_DATA_DDR = 0xFF;
 
-    // Initialize LCD
-    LCD_init();
+        // Initialize LCD
+        LCD_init();
 
-    // Display "Hello, World!"
-    LCD_send("Hello, World!");
+        // Display "Hello, World!"
+        LCD_send("Hello, World!");
 
-    while (1) {
-        // Your main code here
-    }
+        for (;;) {
+                // Your main code here
+        }
 
-    return 0;
+        return 0;
 }
 
 // Initialize LCD
-void LCD_init() {
-    _delay_ms(15);  // Delay for power-on
-    LCD_command(0x38);  // Function Set: 8-bit data, 2-line display, 5x8 font
-    LCD_command(0x0C);  // Display ON, Cursor OFF, Blink OFF
-    LCD_command(0x01);  // Clear display
-    _delay_ms(2);  // Delay for Clear Display command
-    LCD_command(0x06);  // Entry Mode Set: Increment cursor, No display shift
+void
+LCD_init()
+{
+        _delay_ms(15);          // Delay for power-on
+        LCD_command(0x38);      // Function Set: 8-bit data, 2-line display, 5x8 font
+        LCD_command(0x0C);      // Display ON, Cursor OFF, Blink OFF
+        LCD_command(0x01);      // Clear display
+        _delay_ms(2);           // Delay for Clear Display command
+        LCD_command(0x06);      // Entry Mode Set: Increment cursor, No display shift
 }
 
 // Send command to LCD
-void LCD_command(uint8_t cmd) {
-    LCD_RS_PORT &= ~(1 << LCD_RS_PIN);  // Set RS low for command mode
-    LCD_RW_PORT &= ~(1 << LCD_RW_PIN);  // Set RW low for write mode
-    LCD_DATA_PORT = cmd;  // Send command to data port
-    LCD_E_PORT |= (1 << LCD_E_PIN);  // Enable LCD
-    _delay_us(1);  // Short delay
-    LCD_E_PORT &= ~(1 << LCD_E_PIN);  // Disable LCD
-    _delay_us(100);  // Delay for command execution
+void
+LCD_command(uint8_t cmd)
+{
+        LCD_RS_PORT &= ~(1 << LCD_RS_PIN);      // Set RS low for command mode
+        LCD_RW_PORT &= ~(1 << LCD_RW_PIN);      // Set RW low for write mode
+        LCD_DATA_PORT = cmd;                    // Send command to data port
+        LCD_E_PORT |= (1 << LCD_E_PIN);         // Enable LCD
+        _delay_us(1);                           // Short delay
+        LCD_E_PORT &= ~(1 << LCD_E_PIN);        // Disable LCD
+        _delay_us(100);                         // Delay for command execution
 }
 
 // Write data to LCD
-void LCD_write(uint8_t data) {
-    LCD_RS_PORT |= (1 << LCD_RS_PIN);  // Set RS high for data mode
-    LCD_RW_PORT &= ~(1 << LCD_RW_PIN);  // Set RW low for write mode
-    LCD_DATA_PORT = data;  // Send data to data port
-    LCD_E_PORT |= (1 << LCD_E_PIN);  // Enable LCD
-    _delay_us(1);  // Short delay
-    LCD_E_PORT &= ~(1 << LCD_E_PIN);  // Disable LCD
-    _delay_us(100);  // Delay for data execution
+void
+LCD_write(uint8_t data)
+{
+        LCD_RS_PORT |= (1 << LCD_RS_PIN);       // Set RS high for data mode
+        LCD_RW_PORT &= ~(1 << LCD_RW_PIN);      // Set RW low for write mode
+        LCD_DATA_PORT = data;                   // Send data to data port
+        LCD_E_PORT |= (1 << LCD_E_PIN);         // Enable LCD
+        _delay_us(1);                           // Short delay
+        LCD_E_PORT &= ~(1 << LCD_E_PIN);        // Disable LCD
+        _delay_us(100);                         // Delay for data execution
 }
 
 // Send string to LCD
-void LCD_send(char* str) {
-    while (*str) {
-        LCD_write(*str++);
-    }
+void
+LCD_send(char *str)
+{
+        while (*str)
+                LCD_write(*str++);
 }