uart.h File Reference

#include <avr/pgmspace.h>

Go to the source code of this file.

Macros
#define	UART_BAUD_SELECT(baudRate, xtalCpu)   (((xtalCpu) + 8UL * (baudRate)) / (16UL * (baudRate)) -1UL)
	UART Baudrate Expression. More...
#define	UART_BAUD_SELECT_DOUBLE_SPEED(baudRate, xtalCpu)   ( ((((xtalCpu) + 4UL * (baudRate)) / (8UL * (baudRate)) -1UL)) | 0x8000)
	UART Baudrate Expression for ATmega double speed mode. More...
#define	UART_RX_BUFFER_SIZE   32
	Size of the circular receive buffer, must be power of 2. More...
#define	UART_TX_BUFFER_SIZE   32
	Size of the circular transmit buffer, must be power of 2. More...
#define	UART_FRAME_ERROR   0x1000
	Framing Error by UART.
#define	UART_OVERRUN_ERROR   0x0800
	Overrun condition by UART.
#define	UART_PARITY_ERROR   0x0400
	Parity Error by UART.
#define	UART_BUFFER_OVERFLOW   0x0200
	receive ringbuffer overflow
#define	UART_NO_DATA   0x0100
	no receive data available
#define	uart_puts_P(__s)   uart_puts_p(PSTR(__s))
	Macro to automatically put a string constant into program memory.
#define	uart1_puts_P(__s)   uart1_puts_p(PSTR(__s))
	Macro to automatically put a string constant into program memory.

Functions
void	uart_init (unsigned int baudrate)
	Initialize UART and set baudrate. More...
unsigned int	uart_getc (void)
	Get received byte from ringbuffer. More...
void	uart_putc (unsigned char data)
	Put byte to ringbuffer for transmitting via UART. More...
void	uart_puts (const char *s)
	Put string to ringbuffer for transmitting via UART. More...
void	uart_puts_p (const char *s)
	Put string from program memory to ringbuffer for transmitting via UART. More...
void	uart1_init (unsigned int baudrate)
	Initialize USART1 (only available on selected ATmegas) More...
unsigned int	uart1_getc (void)
	Get received byte of USART1 from ringbuffer. (only available on selected ATmega) More...
void	uart1_putc (unsigned char data)
	Put byte to ringbuffer for transmitting via USART1 (only available on selected ATmega) More...
void	uart1_puts (const char *s)
	Put string to ringbuffer for transmitting via USART1 (only available on selected ATmega) More...
void	uart1_puts_p (const char *s)
	Put string from program memory to ringbuffer for transmitting via USART1 (only available on selected ATmega) More...