usart.h

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/*This file has been prepared for Doxygen automatic documentation generation.*/
#ifndef _AVR32_USART_H_
#define _AVR32_USART_H_

#include <avr32/io.h>
#include "settings.h"

#define USART_OK 0

#define USART_FAILURE -1

#define USART_ERROR_ARGUMENT 1

#define USART_TX_BUSY  2

#define USART_RX_EMPTY 3

#define USART_RX_ERROR 4

#define USART_MODE_FAULT 5

#define USART_ADDR_RECEIVED 1

#define USART_DEFAULT_TIMEOUT  10000

#define USART_EVEN_PARITY       0

#define USART_ODD_PARITY        1

#define USART_SPACE_PARITY      2

#define USART_MARK_PARITY       3

#define USART_NO_PARITY         4

#define USART_MULTIDROP_PARITY  6

#define USART_MODE_NORMAL       0x00

#define USART_MODE_RS485        0x01

#define USART_MODE_HW_HSH       0x02

#define USART_MODE_MODEM        0x03

#define USART_MODE_ISO7816_T0   0x04

#define USART_MODE_ISO7816_T1   0x06

#define USART_MODE_IRDA         0x08

#define USART_MODE_SW_HSH       0x0C

#define USART_NORMAL_CHMODE     0

#define USART_AUTO_ECHO         1

#define USART_LOCAL_LOOPBACK    2

#define USART_REMOTE_LOOPBACK   3

#define USART_1_STOPBIT         0

#define USART_1_5_STOPBITS      1

#define USART_2_STOPBITS        2

struct usart_options_t
{
        unsigned long baudrate;

        unsigned char charlength;

        unsigned char paritytype;

        unsigned short stopbits;

        unsigned char channelmode;
};

void usart_reset( volatile avr32_usart_t * usart );

int usart_init2( volatile avr32_usart_t * usart,
                struct usart_options_t * opt,
                long cpuHz );

int usart_puthcar( volatile avr32_usart_t * usart, int character );

int usart_writeLine( volatile avr32_usart_t * usart, char * string );

#endif

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