Restructure files

firmware_src/uart.c

@@ -1,94 +0,0 @@
-#include "config.h"
-#include "uart.h"
-
-#include <avr/io.h>
-#include <util/setbaud.h>
-
-// Initialize UART
-void uartInit() {
-	// Set Baud register
-	UBRRH = UBRRH_VALUE;
-	UBRRL = UBRRL_VALUE;
-
-	// Reset status register
-	UCSRA = 0x00;
-
-#if USE_2X
-	// U2X mode necessary
-	UCSRA |= (1 << U2X);
-#else
-	// U2X mode not necessary
-	UCSRA &= ~(1 << U2X);
-#endif
-	
-	// Enable transmitter and receiver
-	UCSRB |= (1 << TXEN) | (1 << RXEN);
-	
-	// Set frame format (8 bit)
-	UCSRC = (1 << URSEL) | (1 << UCSZ1) | (1 << UCSZ0);
-}
-
-// Transmit a single character
-void uartPutChar(unsigned char data) {
-	// Block until controller is ready to send
-	while (!(UCSRA & (1 << UDRE))) {
-	}
-	
-	// Write character to UART data register
-	UDR = data;
-}
-
-// Transmit a string
-void uartPutString(char* data) {
-	// Write characters until \0 is reached
-	while (*data) {
-		uartPutChar(*data++);
-	}
-}
-
-// Receive a single character (blocking)
-unsigned char uartGetChar() {
-	// Block until a character has been received
-	while (!(UCSRA & (1 << RXC))) {
-	}
-	
-	// Get character and return
-	return UDR;
-}
-
-// Receive a string until \n (blocking)
-uint8_t uartGetLine(char* buffer, uint8_t maxLength) {
-	uint8_t readChars = 0;
-	unsigned char nextChar;
-
-	// Read a maximum of maxLength-1 characters (-1 because we need one char for '\0')
-	while (readChars < maxLength - 1) {
-		// Get next character
-		nextChar = uartGetChar();
-
-		// Skip trailing \n and \r
-		if (nextChar == '\n' || nextChar == '\r') {
-			if (readChars == 0) {
-				// Skip trailing \n and \r
-				continue;
-			}
-			else {
-				// End line (do not append the \r or \n to the buffer)
-				break;
-			}
-		}
-
-		// Write character to buffer
-		*buffer++ = nextChar;
-		
-		// Increment counter
-		readChars++;
-	}
-	
-	// Write a terminating '\0' byte
-	*buffer++ = '\0';
-
-	// Return number of read bytes (excluding the \0)
-	return readChars;
-}
-