// ######################## SPI - FlightCtrl ###################
#include "main.h"
#include "eeprom.h"
//struct str_ToNaviCtrl_Version ToNaviCtrl_Version;
//struct str_FromNaviCtrl_Version FromNaviCtrl_Version;
struct str_ToNaviCtrl ToNaviCtrl
;
struct str_FromNaviCtrl FromNaviCtrl
;
struct str_FromNaviCtrl_Value FromNaviCtrl_Value
;
struct str_SPI_VersionInfo NC_Version
;
struct str_GPSInfo GPSInfo
;
unsigned char SPI_BufferIndex
;
unsigned char SPI_RxBufferIndex
;
signed char FromNC_Rotate_C
= 32, FromNC_Rotate_S
= 0;
volatile unsigned char SPI_Buffer
[sizeof(FromNaviCtrl
)];
unsigned char *SPI_TX_Buffer
;
unsigned char SPITransferCompleted
, SPI_ChkSum
;
unsigned char SPI_RxDataValid
,NaviDataOkay
= 250;
unsigned char SPI_CommandSequence
[] = {SPI_FCCMD_STICK
, SPI_FCCMD_USER
, SPI_FCCMD_PARAMETER1
, SPI_FCCMD_STICK
, SPI_FCCMD_MISC
, SPI_FCCMD_VERSION
, SPI_FCCMD_STICK
, SPI_FCCMD_SERVOS
, SPI_FCCMD_ACCU
};
unsigned char SPI_CommandCounter
= 0;
unsigned char NC_ErrorCode
= 0;
unsigned char NC_GPS_ModeCharacter
= ' ';
unsigned char EarthMagneticField
= 0;
unsigned char EarthMagneticInclination
= 0, EarthMagneticInclinationTheoretic
= 0;
unsigned char NC_To_FC_Flags
= 0;
unsigned char NC_To_FC_MaxAltitude
= 0; // this is a Parameter on the SD-card
signed int POI_KameraNick
= 0; // in 0,1°
vector16_t MagVec
= {0,0,0};
#ifdef USE_SPI_COMMUNICATION
//------------------------------------------------------
void SPI_MasterInit
(void)
{
DDR_SPI
|= (1<<DD_MOSI
)|(1<<DD_SCK
); // Set MOSI and SCK output, all others input
SLAVE_SELECT_DDR_PORT
|= (1 << SPI_SLAVE_SELECT
);
SPCR
= (1<<SPE
)|(1<<MSTR
)|(1<<SPR1
)|(0<<SPR0
)|(0<<SPIE
); // Enable SPI, Master, set clock rate fck/64
SPSR
= 0;//(1<<SPI2X);
SLAVE_SELECT_PORT
|= (1 << SPI_SLAVE_SELECT
);
SPITransferCompleted
= 1;
//SPDR = 0x00; // dummy write
ToNaviCtrl.
Sync1 = 0xAA;
ToNaviCtrl.
Sync2 = 0x83;
ToNaviCtrl.
Command = SPI_FCCMD_USER
;
ToNaviCtrl.
IntegralNick = 0;
ToNaviCtrl.
IntegralRoll = 0;
FromNaviCtrl_Value.
SerialDataOkay = 0;
SPI_RxDataValid
= 0;
}
//------------------------------------------------------
void SPI_StartTransmitPacket
(void)
{
//if ((SLAVE_SELECT_PORT & (1 << SPI_SLAVE_SELECT)) == 0) return; // transfer of prev. packet not completed
if (!SPITransferCompleted
) return;
// _delay_us(30);
SLAVE_SELECT_PORT
&= ~
(1 << SPI_SLAVE_SELECT
); // SelectSlave
SPI_TX_Buffer
= (unsigned char *) &ToNaviCtrl
;
ToNaviCtrl.
Command = SPI_CommandSequence
[SPI_CommandCounter
++];
if (SPI_CommandCounter
>= sizeof(SPI_CommandSequence
)) SPI_CommandCounter
= 0;
SPITransferCompleted
= 0;
UpdateSPI_Buffer
(); // update buffer
SPI_BufferIndex
= 1;
//ebugOut.Analog[16]++;
// -- Debug-Output ---
//----
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
ToNaviCtrl.
Chksum = ToNaviCtrl.
Sync1;
SPDR
= ToNaviCtrl.
Sync1; // Start transmission
// SLAVE_SELECT_PORT |= (1 << SPI_SLAVE_SELECT); // DeselectSlave
}
//------------------------------------------------------
//SIGNAL(SIG_SPI)
void SPI_TransmitByte
(void)
{
static unsigned char SPI_RXState
= 0;
unsigned char rxdata
;
static unsigned char rxchksum
;
if (SPITransferCompleted
) return;
if (!(SPSR
& (1 << SPIF
))) return;
SendSPI
= 4;
// _delay_us(30);
SLAVE_SELECT_PORT
|= (1 << SPI_SLAVE_SELECT
); // DeselectSlave
rxdata
= SPDR
;
switch ( SPI_RXState
)
{
case 0:
SPI_RxBufferIndex
= 0;
rxchksum
= rxdata
;
if (rxdata
== 0x81 ) { SPI_RXState
= 1; } // 1. Syncbyte ok
break;
case 1:
if (rxdata
== 0x55) { rxchksum
+= rxdata
; SPI_RXState
= 2; } // 2. Syncbyte ok
else SPI_RXState
= 0;
break;
case 2:
SPI_Buffer
[SPI_RxBufferIndex
++]= rxdata
; // get data
//DebugOut.Analog[19]++;
if (SPI_RxBufferIndex
>= sizeof(FromNaviCtrl
))
{
if (rxdata
== rxchksum
)
{
unsigned char *ptr
= (unsigned char *)&FromNaviCtrl
;
memcpy(ptr
, (unsigned char *) SPI_Buffer
, sizeof(SPI_Buffer
));
SPI_RxDataValid
= 1;
}
else
{
SPI_RxDataValid
= 0;
}
SPI_RXState
= 0;
}
else rxchksum
+= rxdata
;
break;
}
if (SPI_BufferIndex
< sizeof(ToNaviCtrl
))
{
SLAVE_SELECT_PORT
&= ~
(1 << SPI_SLAVE_SELECT
); // SelectSlave
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop"); asm
volatile ("nop");
SPDR
= SPI_TX_Buffer
[SPI_BufferIndex
];
ToNaviCtrl.
Chksum += SPI_TX_Buffer
[SPI_BufferIndex
];
// SLAVE_SELECT_PORT |= (1 << SPI_SLAVE_SELECT); // DeselectSlave
}
else SPITransferCompleted
= 1;
SPI_BufferIndex
++;
}
//------------------------------------------------------
void UpdateSPI_Buffer
(void)
{
signed int tmp
;
static unsigned char motorindex
;
ToNaviCtrl.
IntegralNick = (int) (IntegralNick
/ (long)(EE_Parameter.
GyroAccFaktor * 4));
ToNaviCtrl.
IntegralRoll = (int) (IntegralRoll
/ (long)(EE_Parameter.
GyroAccFaktor * 4));
ToNaviCtrl.
GyroCompass = (10 * ErsatzKompass
) / GIER_GRAD_FAKTOR
;
ToNaviCtrl.
GyroGier = (signed int) AdNeutralGier
- AdWertGier
;
ToNaviCtrl.
AccNick = ((int) ACC_AMPLIFY
* (NaviAccNick
/ NaviCntAcc
))/4;
ToNaviCtrl.
AccRoll = ((int) ACC_AMPLIFY
* (NaviAccRoll
/ NaviCntAcc
))/4;
NaviCntAcc
= 0; NaviAccNick
= 0; NaviAccRoll
= 0;
// ToNaviCtrl.User8 = Parameter_UserParam8;
// ToNaviCtrl.CalState = WinkelOut.CalcState;
switch(ToNaviCtrl.
Command) //
{
case SPI_FCCMD_USER
:
ToNaviCtrl.
Param.
Byte[0] = Parameter_UserParam1
;
ToNaviCtrl.
Param.
Byte[1] = Parameter_UserParam2
;
ToNaviCtrl.
Param.
Byte[2] = Parameter_UserParam3
;
ToNaviCtrl.
Param.
Byte[3] = Parameter_UserParam4
;
ToNaviCtrl.
Param.
Byte[4] = Parameter_UserParam5
;
ToNaviCtrl.
Param.
Byte[5] = Parameter_UserParam6
;
ToNaviCtrl.
Param.
Byte[6] = Parameter_UserParam7
;
ToNaviCtrl.
Param.
Byte[7] = Parameter_UserParam8
;
ToNaviCtrl.
Param.
Byte[8] = FC_StatusFlags
;
FC_StatusFlags
&= ~
(FC_STATUS_CALIBRATE
| FC_STATUS_START
);
ToNaviCtrl.
Param.
Byte[9] = GetActiveParamSet
();
ToNaviCtrl.
Param.
Byte[10] = EE_Parameter.
ComingHomeAltitude;
ToNaviCtrl.
Param.
Byte[11] = FC_StatusFlags2
;
break;
case SPI_FCCMD_ACCU
:
ToNaviCtrl.
Param.
Int[0] = Capacity.
ActualCurrent; // 0.1A
ToNaviCtrl.
Param.
Int[1] = Capacity.
UsedCapacity; // mAh
ToNaviCtrl.
Param.
Byte[4] = (unsigned char) UBat
; // 0.1V
ToNaviCtrl.
Param.
Byte[5] = (unsigned char) BattLowVoltageWarning
; //0.1V
ToNaviCtrl.
Param.
Byte[6] = VarioCharacter
;
ToNaviCtrl.
Param.
Byte[7] = motorindex
;
ToNaviCtrl.
Param.
Byte[8] = Motor
[motorindex
].
MaxPWM;
ToNaviCtrl.
Param.
Byte[9] = Motor
[motorindex
].
State;
ToNaviCtrl.
Param.
Byte[10] = Motor
[motorindex
].
Temperature;
ToNaviCtrl.
Param.
Byte[11] = Motor
[motorindex
++].
Current;
motorindex
%= 12;
break;
case SPI_FCCMD_PARAMETER1
:
ToNaviCtrl.
Param.
Byte[0] = EE_Parameter.
NaviGpsModeControl; // Parameters for the Naviboard
ToNaviCtrl.
Param.
Byte[1] = EE_Parameter.
NaviGpsGain;
ToNaviCtrl.
Param.
Byte[2] = EE_Parameter.
NaviGpsP;
ToNaviCtrl.
Param.
Byte[3] = EE_Parameter.
NaviGpsI;
ToNaviCtrl.
Param.
Byte[4] = EE_Parameter.
NaviGpsD;
ToNaviCtrl.
Param.
Byte[5] = EE_Parameter.
NaviGpsACC;
ToNaviCtrl.
Param.
Byte[6] = EE_Parameter.
NaviGpsMinSat;
ToNaviCtrl.
Param.
Byte[7] = EE_Parameter.
NaviStickThreshold;
ToNaviCtrl.
Param.
Byte[8] = EE_Parameter.
NaviOperatingRadius;
ToNaviCtrl.
Param.
Byte[9] = EE_Parameter.
NaviWindCorrection;
ToNaviCtrl.
Param.
Byte[10] = EE_Parameter.
NaviAccCompensation;
ToNaviCtrl.
Param.
Byte[11] = EE_Parameter.
NaviAngleLimitation;
break;
case SPI_FCCMD_STICK
:
cli
();
tmp
= PPM_in
[EE_Parameter.
Kanalbelegung[K_GAS
]]; if(tmp
> 127) tmp
= 127; else if(tmp
< -127) tmp
= -127;
ToNaviCtrl.
Param.
Byte[0] = (char) tmp
;
tmp
= PPM_in
[EE_Parameter.
Kanalbelegung[K_GIER
]]; if(tmp
> 127) tmp
= 127; else if(tmp
< -127) tmp
= -127;
ToNaviCtrl.
Param.
Byte[1] = (char) tmp
;
tmp
= PPM_in
[EE_Parameter.
Kanalbelegung[K_ROLL
]]; if(tmp
> 127) tmp
= 127; else if(tmp
< -127) tmp
= -127;
ToNaviCtrl.
Param.
Byte[2] = (char) tmp
;
tmp
= PPM_in
[EE_Parameter.
Kanalbelegung[K_NICK
]]; if(tmp
> 127) tmp
= 127; else if(tmp
< -127) tmp
= -127;
sei
();
ToNaviCtrl.
Param.
Byte[3] = (char) tmp
;
ToNaviCtrl.
Param.
Byte[4] = (unsigned char) Poti
[0];
ToNaviCtrl.
Param.
Byte[5] = (unsigned char) Poti
[1];
ToNaviCtrl.
Param.
Byte[6] = (unsigned char) Poti
[2];
ToNaviCtrl.
Param.
Byte[7] = (unsigned char) Poti
[3];
ToNaviCtrl.
Param.
Byte[8] = (unsigned char) Poti
[4];
ToNaviCtrl.
Param.
Byte[9] = (unsigned char) Poti
[5];
ToNaviCtrl.
Param.
Byte[10] = (unsigned char) Poti
[6];
ToNaviCtrl.
Param.
Byte[11] = (unsigned char) Poti
[7];
break;
case SPI_FCCMD_MISC
:
if(WinkelOut.
CalcState > 5)
{
WinkelOut.
CalcState = 0;
ToNaviCtrl.
Param.
Byte[0] = 5;
}
else ToNaviCtrl.
Param.
Byte[0] = WinkelOut.
CalcState;
ToNaviCtrl.
Param.
Byte[1] = EE_Parameter.
NaviPH_LoginTime;
ToNaviCtrl.
Param.
Int[1] = (int)(HoehenWert
/5);
ToNaviCtrl.
Param.
Int[2] = (int)(SollHoehe
/5);
ToNaviCtrl.
Param.
Byte[6] = EE_Parameter.
NaviGpsPLimit;
ToNaviCtrl.
Param.
Byte[7] = EE_Parameter.
NaviGpsILimit;
ToNaviCtrl.
Param.
Byte[8] = EE_Parameter.
NaviGpsDLimit;
ToNaviCtrl.
Param.
Byte[9] = (unsigned char) SenderOkay
;
ToNaviCtrl.
Param.
Byte[10] = (unsigned char) PPM_in
[0];
ToNaviCtrl.
Param.
Byte[11] = DebugOut.
Analog[7] / 4; //GasMischanteil
break;
case SPI_FCCMD_VERSION
:
ToNaviCtrl.
Param.
Byte[0] = VERSION_MAJOR
;
ToNaviCtrl.
Param.
Byte[1] = VERSION_MINOR
;
ToNaviCtrl.
Param.
Byte[2] = VERSION_PATCH
;
ToNaviCtrl.
Param.
Byte[3] = NC_SPI_COMPATIBLE
;
ToNaviCtrl.
Param.
Byte[4] = PlatinenVersion
;
ToNaviCtrl.
Param.
Byte[5] = VersionInfo.
HardwareError[0];
ToNaviCtrl.
Param.
Byte[6] = VersionInfo.
HardwareError[1];
VersionInfo.
HardwareError[0] = 0;
VersionInfo.
HardwareError[1] &= FC_ERROR1_MIXER
;
ToNaviCtrl.
Param.
Byte[7] = VersionInfo.
HardwareError[2]; // unused
ToNaviCtrl.
Param.
Byte[8] = Parameter_GlobalConfig
;
ToNaviCtrl.
Param.
Byte[9] = Parameter_ExtraConfig
;
ToNaviCtrl.
Param.
Byte[10] = EE_Parameter.
OrientationAngle;
ToNaviCtrl.
Param.
Byte[11] = EE_Parameter.
GlobalConfig3;
break;
case SPI_FCCMD_SERVOS
:
ToNaviCtrl.
Param.
Byte[0] = EE_Parameter.
ServoNickRefresh; // Parameters for the Servo Control
ToNaviCtrl.
Param.
Byte[1] = EE_Parameter.
ServoCompInvert;
ToNaviCtrl.
Param.
Byte[2] = Parameter_ServoNickControl
;
ToNaviCtrl.
Param.
Byte[3] = EE_Parameter.
ServoNickComp;
ToNaviCtrl.
Param.
Byte[4] = EE_Parameter.
ServoNickMin;
ToNaviCtrl.
Param.
Byte[5] = EE_Parameter.
ServoNickMax;
ToNaviCtrl.
Param.
Byte[6] = Parameter_ServoRollControl
;
ToNaviCtrl.
Param.
Byte[7] = EE_Parameter.
ServoRollComp;
ToNaviCtrl.
Param.
Byte[8] = EE_Parameter.
ServoRollMin;
ToNaviCtrl.
Param.
Byte[9] = EE_Parameter.
ServoRollMax;
ToNaviCtrl.
Param.
Byte[10] = Capacity.
MinOfMaxPWM;
ToNaviCtrl.
Param.
Byte[11] = DebugOut.
Analog[28]; // I2C-Error counter
break;
}
if(SPI_RxDataValid
)
{
NaviDataOkay
= 250;
CalculateCompassTimer
= 1;
if(abs(FromNaviCtrl.
GPS_Nick) < 512 && abs(FromNaviCtrl.
GPS_Roll) < 512 && (EE_Parameter.
GlobalConfig & CFG_GPS_AKTIV
))
{
GPS_Nick
= FromNaviCtrl.
GPS_Nick;
GPS_Roll
= FromNaviCtrl.
GPS_Roll;
}
// update compass readings
// MagVec.x = FromNaviCtrl.MagVecX;
// MagVec.y = FromNaviCtrl.MagVecY;
// MagVec.z = FromNaviCtrl.MagVecZ;
if(FromNaviCtrl.
CompassValue <= 360) KompassValue
= FromNaviCtrl.
CompassValue;
// KompassRichtung = ((540 + KompassValue - KompassSollWert) % 360) - 180;
if(FromNaviCtrl.
BeepTime > beeptime
&& !DisableRcOffBeeping
) beeptime
= FromNaviCtrl.
BeepTime;
switch (FromNaviCtrl.
Command)
{
case SPI_NCCMD_KALMAN
:
FromNaviCtrl_Value.
Kalman_K = FromNaviCtrl.
Param.
sByte[0];
FromNaviCtrl_Value.
Kalman_MaxFusion = FromNaviCtrl.
Param.
sByte[1];
FromNaviCtrl_Value.
Kalman_MaxDrift = FromNaviCtrl.
Param.
sByte[2];
KompassFusion
= FromNaviCtrl.
Param.
sByte[3];
FromNaviCtrl_Value.
GpsZ = FromNaviCtrl.
Param.
Byte[4];
FromNC_Rotate_C
= FromNaviCtrl.
Param.
Byte[5];
FromNC_Rotate_S
= FromNaviCtrl.
Param.
Byte[6];
GPS_Aid_StickMultiplikator
= FromNaviCtrl.
Param.
Byte[7];
if(CareFree
&& FromNaviCtrl.
Param.
sInt[4] >= 0)
{
KompassSollWert
= FromNaviCtrl.
Param.
sInt[4]; // bei Carefree kann NC den Kompass-Sollwinkel vorgeben
if(EE_Parameter.
CamOrientation) // Kamera angle is not front
{
KompassSollWert
+= 360 - ((unsigned int) EE_Parameter.
CamOrientation * 15);
KompassSollWert
%= 360;
}
}
POI_KameraNick
= (POI_KameraNick
+ FromNaviCtrl.
Param.
sInt[5]) / 2; // FromNaviCtrl.Param.sInt[5]; // Nickwinkel
break;
case SPI_NCCMD_VERSION
:
NC_Version.
Major = FromNaviCtrl.
Param.
Byte[0];
NC_Version.
Minor = FromNaviCtrl.
Param.
Byte[1];
NC_Version.
Patch = FromNaviCtrl.
Param.
Byte[2];
NC_Version.
Compatible = FromNaviCtrl.
Param.
Byte[3];
NC_Version.
Hardware = FromNaviCtrl.
Param.
Byte[4];
DebugOut.
Status[0] |= FromNaviCtrl.
Param.
Byte[5];
DebugOut.
Status[1] = (DebugOut.
Status[1] & (0x01|0x02)) | (FromNaviCtrl.
Param.
Byte[6] & (0x04 | 0x08));
NC_ErrorCode
= FromNaviCtrl.
Param.
Byte[7];
NC_GPS_ModeCharacter
= FromNaviCtrl.
Param.
Byte[8];
FromNaviCtrl_Value.
SerialDataOkay = FromNaviCtrl.
Param.
Byte[9];
NC_To_FC_Flags
= FromNaviCtrl.
Param.
Byte[10];
NC_To_FC_MaxAltitude
= FromNaviCtrl.
Param.
Byte[11];
break;
case SPI_NCCMD_GPSINFO
:
GPSInfo.
Flags = FromNaviCtrl.
Param.
Byte[0];
GPSInfo.
NumOfSats = FromNaviCtrl.
Param.
Byte[1];
GPSInfo.
SatFix = FromNaviCtrl.
Param.
Byte[2];
GPSInfo.
Speed = FromNaviCtrl.
Param.
Byte[3];
GPSInfo.
HomeDistance = FromNaviCtrl.
Param.
Int[2];
GPSInfo.
HomeBearing = FromNaviCtrl.
Param.
sInt[3];
PPM_in
[25] = (signed char) FromNaviCtrl.
Param.
Byte[8]; // WP_EVENT-Channel-Value
FromNC_AltitudeSpeed
= FromNaviCtrl.
Param.
Byte[9];
FromNC_AltitudeSetpoint
= (long) FromNaviCtrl.
Param.
sInt[5] * 10; // in cm
break;
case SPI_MISC
:
EarthMagneticField
= FromNaviCtrl.
Param.
Byte[0];
EarthMagneticInclination
= FromNaviCtrl.
Param.
Byte[1];
EarthMagneticInclinationTheoretic
= FromNaviCtrl.
Param.
Byte[2];
break;
#if (defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__))
case SPI_NCCMD_HOTT_DATA
:
if(EE_Parameter.
Receiver == RECEIVER_HOTT
) NC_Fills_HoTT_Telemety
();
break;
#endif
// 0 = 0,1
// 1 = 2,3
// 2 = 4,5
// 3 = 6,7
// 4 = 8,9
// 5 = 10,11
default:
break;
}
}
else
{
// KompassValue = 0;
// KompassRichtung = 0;
GPS_Nick
= 0;
GPS_Roll
= 0;
}
}
#endif