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/*****************************************************************************

 *   Copyright (C) 2009 Peter "woggle" Mack, mac@denich.net                  *

 *   taken some ideas from the C-OSD code from CaScAdE                       *

 *   the MK communication routines are taken from the MK source              *

 *    (killagreg version)                                                    *

 *                                                                           *

 *   This program is free software; you can redistribute it and/or modify    *

 *   it under the terms of the GNU General Public License as published by    *

 *   the Free Software Foundation; either version 2 of the License.          *

 *                                                                           *

 *   This program is distributed in the hope that it will be useful,         *

 *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *

 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *

 *   GNU General Public License for more details.                            *

 *                                                                           *

 *   You should have received a copy of the GNU General Public License       *

 *   along with this program; if not, write to the                           *

 *   Free Software Foundation, Inc.,                                         *

 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.               *

 *                                                                           *

 *****************************************************************************/

#ifndef _USART_H

#define _USART_H

//*****************************************************************************

// 

#ifndef FALSE

#define FALSE   0

#endif

#ifndef TRUE

#define TRUE    1

#endif

// addresses

#define ADDRESS_ANY     0

#define ADDRESS_FC      1

#define ADDRESS_NC      2

#define ADDRESS_MAG     3

// must be at least 4('#'+Addr+'CmdID'+'\r')+ (80 * 4)/3 = 111 bytes

#define TXD_BUFFER_LEN  60

#define RXD_BUFFER_LEN  180

// Baud rate of the USART

#define USART_BAUD 57600        

//#define USART_BAUD 125000     

//*****************************************************************************

// 

extern uint8_t buffer[30];

extern volatile uint8_t txd_buffer[TXD_BUFFER_LEN];

extern volatile uint8_t txd_complete;

extern volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];

extern volatile uint8_t rxd_buffer_locked;

extern volatile uint8_t ReceivedBytes;

extern volatile uint8_t *pRxData;

extern volatile uint8_t RxDataLen;

extern volatile uint16_t stat_crc_error;

extern volatile uint16_t stat_overflow_error;

extern volatile uint8_t rxFlag;

extern volatile uint8_t rx_byte;

//extern volatile static uint8_t *volatile rxhead, *volatile rxtail;

//*****************************************************************************

// 

void USART_Init (unsigned int baudrate);

void USART_DisableTXD (void);

void USART_EnableTXD (void);

void USART_request_mk_data (uint8_t cmd, uint8_t addr, uint8_t ms);

void USART_putc (char c);

void USART_puts (char *s);

void USART_puts_p (const char *s);

extern char USART_getc(void);

void SendOutData (uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...); // uint8_t *pdata, uint8_t len, ...

//void SendOutData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, uint8_t *pdata, uint8_t len); // uint8_t *pdata, uint8_t len, ...

void Decode64 (void);

void SwitchToNC (void);

void SwitchToFC (void);

void SwitchToMAG (void);

void SwitchToGPS (void);

void SwitchToWi232 (void);

void debug1(void);

uint8_t uart_getc_nb(uint8_t*);

//*****************************************************************************

//Anpassen der seriellen Schnittstellen Register

#define USART_RXC_vect USART0_RX_vect

//-----------------------

#define UCSRA           UCSR0A

#define UCSRB           UCSR0B

#define UCSRC           UCSR0C

#define UDR                     UDR0

#define UBRRL           UBRR0L

#define UBRRH           UBRR0H

// UCSRA

#define RXC                     RXC0

#define TXC                     TXC0

#define UDRE            UDRE0

#define FE                      FE0

#define UPE                     UPE0

#define U2X                     U2X0

#define MPCM            MPCM0

// UCSRB

#define RXCIE           RXCIE0

#define TXCIE           TXCIE0

#define UDRIE           UDRIE0

#define TXEN            TXEN0

#define RXEN            RXEN0

#define UCSZ2           UCSZ02

#define RXB8            RXB80

#define TXB8            TXB80

// UCSRC

#define UMSEL1  UMSEL01

#define UMSEL0  UMSEL00

#define UPM1            UPM01

#define UPM0            UPM00

#define USBS            USBS0

#define UCSZ1           UCSZ01

#define UCSZ0           UCSZ00

#define UCPOL           UCPOL0

//-----------------------

#endif