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// ######################## SPI - FlightCtrl ###################
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#ifndef _SPI_H
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#define _SPI_H
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#include <util/delay.h>
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#define USE_SPI_COMMUNICATION
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#define SPI_PROTOCOL_COMP   1
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//-----------------------------------------
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#define DDR_SPI DDRB
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#define DD_SS   PB4
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#define DD_SCK  PB7
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#define DD_MOSI PB5
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#define DD_MISO PB6
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// for compatibility reasons gcc3.x <-> gcc4.x
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#ifndef SPCR  
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#define SPCR   SPCR0
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#endif    
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#ifndef SPE  
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#define SPE   SPE0
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#endif    
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#ifndef MSTR  
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#define MSTR   MSTR0
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#endif    
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#ifndef SPR1  
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#define SPR1   SPR01
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#endif    
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#ifndef SPR0  
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#define SPR0   SPR00
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#endif    
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#ifndef SPIE  
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#define SPIE   SPIE0
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#endif    
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#ifndef SPDR  
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#define SPDR   SPDR0
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#endif    
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#ifndef SPIF  
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#define SPIF   SPIF0
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#endif    
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#ifndef SPSR  
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#define SPSR   SPSR0
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#endif    
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// -------------------------
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#define SLAVE_SELECT_DDR_PORT   DDRC
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#define SLAVE_SELECT_PORT       PORTC
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#define SPI_SLAVE_SELECT        PC5
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struct str_ToNaviCtrl_Value
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{
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 unsigned char Sync1, Sync2;
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 unsigned char Command;
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 signed int IntegralNick;
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 signed int  IntegralRoll;
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 char StickNick,StickRoll,  
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      StickGier, StickGas;
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 signed int  GyroCompass;
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 char User1, User2, User3, User4, User5, User6, User7, User8;
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 unsigned char Chksum;
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};
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 struct str_ToNaviCtrl_Version
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 {
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  unsigned char Sync1, Sync2;
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  unsigned char Command;
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  unsigned char  HVersion;
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  unsigned char  NVersion;
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  unsigned char  Comp;
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  unsigned char  d0;
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  signed int  d1;
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  signed int  d2;
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  signed int  d3;
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  signed int  d4;
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  signed int  d5;
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  signed int  d6;
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  signed int  d7;
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  unsigned char Chksum;
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 };
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struct str_FromNaviCtrl_Value
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{
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 unsigned char Command;
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  signed int  GPS_Nick;
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  signed int  GPS_Roll;
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  signed int  GPS_Gier;
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  signed int  GPS_Height;
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  signed int  CompassValue;
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  signed int  Status;
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  signed int  d0;
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  signed int  d1;
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  signed int  d2;
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  unsigned char Chksum;
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};
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 struct str_FromNaviCtrl_Version
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 {
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  unsigned char Command;
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  unsigned char  HVersion;
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  unsigned char  NVersion;
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  unsigned char  Comp;
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  unsigned char  d0;
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  signed int  d1;
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  signed int  d2;
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  signed int  d3;
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  signed int  d4;
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  signed int  d5;
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  signed int  d6;
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  signed int  d7;
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  unsigned char Chksum;
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 };
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#ifdef USE_SPI_COMMUNICATION
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extern struct str_ToNaviCtrl_Version   ToNaviCtrl_Version;
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extern struct str_FromNaviCtrl_Version   FromNaviCtrl_Version;
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extern struct str_ToNaviCtrl_Value   ToNaviCtrl_Value;
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extern struct str_FromNaviCtrl_Value   FromNaviCtrl_Value;
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#define SPI_CMD_VERSION 0x02
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#define SPI_CMD_VALUE   0x03
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extern void SPI_MasterInit(void);
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extern void SPI_StartTransmitPacket(unsigned char command);
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extern void UpdateSPI_Buffer(void);
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extern void SPI_TransmitByte(void);
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#else
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// -------------------------------- Dummy -----------------------------------------
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#define  SPI_MasterInit() ;
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#define  SPI_StartTransmitPacket() ;
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#define  UpdateSPI_Buffer() ;
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#define  SPI_TransmitByte() ;
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#endif
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#endif