uart.c File Reference

#include <stdint.h>
#include <stdio.h>
#include <avr/io.h>
#include "atom.h"
#include "atommutex.h"
#include "atomport-private.h"
#include "uart.h"

Defines
#define	REG_UCSRA   UCSR0A
#define	REG_UCSRB   UCSR0B
#define	REG_UBRRL   UBRR0L
#define	REG_UDR   UDR0
#define	BIT_TXEN   TXEN0
#define	BIT_RXEN   RXEN0
#define	BIT_UDRE   UDRE0
Functions
int	uart_init (uint32_t baudrate)
int	uart_putchar (char c, FILE *stream)

---

Define Documentation

#define BIT_RXEN   RXEN0

Referenced by uart_init().

#define BIT_TXEN   TXEN0

Referenced by uart_init().

#define BIT_UDRE   UDRE0

Referenced by uart_putchar().

#define REG_UBRRL   UBRR0L

Referenced by uart_init().

#define REG_UCSRA   UCSR0A

Referenced by uart_init(), and uart_putchar().

#define REG_UCSRB   UCSR0B

Referenced by uart_init().

#define REG_UDR   UDR0

Referenced by uart_putchar().

---

Function Documentation

int uart_init

(

uint32_t

baudrate

)

References AVR_CPU_HZ, BIT_RXEN, BIT_TXEN, REG_UBRRL, REG_UCSRA, and REG_UCSRB.

int uart_putchar	(	char	c,
		FILE *	stream
	)

References BIT_UDRE, REG_UCSRA, REG_UDR, and uart_putchar().

Referenced by uart_putchar().