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730 woggle 1
/*****************************************************************************
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 *   Copyright (C) 2009 Peter "woggle" Mack, mac@denich.net                  *
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 *   taken some ideas from the C-OSD code from CaScAdE                       *
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 *   the MK communication routines are taken from the MK source              *
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 *    (killagreg version)                                                    *
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 *                                                                           *
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 *   This program is free software; you can redistribute it and/or modify    *
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 *   it under the terms of the GNU General Public License as published by    *
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 *   the Free Software Foundation; either version 2 of the License.          *
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 *                                                                           *
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 *   This program is distributed in the hope that it will be useful,         *
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 *   but WITHOUT ANY WARRANTY; without even the implied warranty of          *
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 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the           *
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 *   GNU General Public License for more details.                            *
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 *                                                                           *
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 *   You should have received a copy of the GNU General Public License       *
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 *   along with this program; if not, write to the                           *
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 *   Free Software Foundation, Inc.,                                         *
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 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.               *
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 *                                                                           *
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 *****************************************************************************/
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#ifndef _USART_H
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#define _USART_H
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//*****************************************************************************
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// 
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#ifndef FALSE
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#define FALSE   0
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#endif
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#ifndef TRUE
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#define TRUE    1
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#endif
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// addresses
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#define ADDRESS_ANY     0
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#define ADDRESS_FC      1
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#define ADDRESS_NC      2
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#define ADDRESS_MAG     3
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// must be at least 4('#'+Addr+'CmdID'+'\r')+ (80 * 4)/3 = 111 bytes
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#define TXD_BUFFER_LEN  60
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#define RXD_BUFFER_LEN  180
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// Baud rate of the USART
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#define USART_BAUD 57600        
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//*****************************************************************************
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// 
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extern uint8_t buffer[30];
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extern volatile uint8_t txd_buffer[TXD_BUFFER_LEN];
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extern volatile uint8_t txd_complete;
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extern volatile uint8_t rxd_buffer[RXD_BUFFER_LEN];
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extern volatile uint8_t rxd_buffer_locked;
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extern volatile uint8_t ReceivedBytes;
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extern volatile uint8_t *pRxData;
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extern volatile uint8_t RxDataLen;
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extern volatile uint16_t stat_crc_error;
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extern volatile uint16_t stat_overflow_error;
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//*****************************************************************************
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// 
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void USART_Init (void);
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void USART_DisableTXD (void);
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void USART_EnableTXD (void);
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void USART_request_mk_data (uint8_t cmd, uint8_t addr, uint8_t ms);
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void USART_putc (char c);
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void USART_puts (char *s);
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void USART_puts_p (const char *s);
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void SendOutData (uint8_t cmd, uint8_t addr, uint8_t numofbuffers, ...); // uint8_t *pdata, uint8_t len, ...
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//void SendOutData(uint8_t cmd, uint8_t addr, uint8_t numofbuffers, uint8_t *pdata, uint8_t len); // uint8_t *pdata, uint8_t len, ...
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void Decode64 (void);
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void SwitchToNC (void);
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void SwitchToFC (void);
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void SwitchToMAG (void);
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void SwitchToGPS (void);
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//*****************************************************************************
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//Anpassen der seriellen Schnittstellen Register
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#if defined (__AVR_ATmega644__) || defined (__AVR_ATmega644P__) || defined (__AVR_ATmega168__)
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#define USART_RXC_vect USART0_RX_vect
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//-----------------------
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#define UCSRA           UCSR0A
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#define UCSRB           UCSR0B
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#define UCSRC           UCSR0C
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#define UDR                     UDR0
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#define UBRRL           UBRR0L
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#define UBRRH           UBRR0H
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// UCSRA
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#define RXC                     RXC0
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#define TXC                     TXC0
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#define UDRE            UDRE0
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#define FE                      FE0
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#define UPE                     UPE0
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#define U2X                     U2X0
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#define MPCM            MPCM0
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// UCSRB
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#define RXCIE           RXCIE0
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#define TXCIE           TXCIE0
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#define UDRIE           UDRIE0
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#define TXEN            TXEN0
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#define RXEN            RXEN0
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#define UCSZ2           UCSZ02
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#define RXB8            RXB80
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#define TXB8            TXB80
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// UCSRC
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#define UMSEL1  UMSEL01
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#define UMSEL0  UMSEL00
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#define UPM1            UPM01
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#define UPM0            UPM00
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#define USBS            USBS0
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#define UCSZ1           UCSZ01
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#define UCSZ0           UCSZ00
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#define UCPOL           UCPOL0
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//-----------------------
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#endif
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#endif