WebSVN - NaviCtrl - Diff - Rev 394 and 454


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// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + www.MikroKopter.com
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Software Nutzungsbedingungen (english version: see below)
// + der Fa. HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland - nachfolgend Lizenzgeber genannt -
// + Der Lizenzgeber räumt dem Kunden ein nicht-ausschließliches, zeitlich und räumlich* unbeschränktes Recht ein, die im den
// + Mikrocontroller verwendete Firmware für die Hardware Flight-Ctrl, Navi-Ctrl, BL-Ctrl, MK3Mag & PC-Programm MikroKopter-Tool 
// + - nachfolgend Software genannt - nur für private Zwecke zu nutzen.
// + Der Einsatz dieser Software ist nur auf oder mit Produkten des Lizenzgebers zulässig.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Die vom Lizenzgeber gelieferte Software ist urheberrechtlich geschützt. Alle Rechte an der Software sowie an sonstigen im
// + Rahmen der Vertragsanbahnung und Vertragsdurchführung überlassenen Unterlagen stehen im Verhältnis der Vertragspartner ausschließlich dem Lizenzgeber zu.
// + Die in der Software enthaltenen Copyright-Vermerke, Markenzeichen, andere Rechtsvorbehalte, Seriennummern sowie
// + sonstige der Programmidentifikation dienenden Merkmale dürfen vom Kunden nicht verändert oder unkenntlich gemacht werden.
// + Der Kunde trifft angemessene Vorkehrungen für den sicheren Einsatz der Software. Er wird die Software gründlich auf deren
// + Verwendbarkeit zu dem von ihm beabsichtigten Zweck testen, bevor er diese operativ einsetzt.
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// + Schadens. Die gesetzliche Haftung bei Personenschäden und nach dem Produkthaftungsgesetz bleibt unberührt. Dem Lizenzgeber steht jedoch der Einwand 
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// + Der Kunde ist darüber unterrichtet, dass der Lizenzgeber seine Daten im zur Vertragsdurchführung erforderlichen Umfang
// + und auf Grundlage der Datenschutzvorschriften erhebt, speichert, verarbeitet und, sofern notwendig, an Dritte übermittelt.
// + *) Die räumliche Nutzung bezieht sich nur auf den Einsatzort, nicht auf die Reichweite der programmierten Software.
// + #### ENDE DER NUTZUNGSBEDINGUNGEN ####'
// +  Hinweis: Informationen über erweiterte Nutzungsrechte (wie z.B. Nutzung für nicht-private Zwecke) sind auf Anfrage per Email an info(@)hisystems.de verfügbar.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + Software LICENSING TERMS
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
// + of HiSystems GmbH, Flachsmeerstrasse 2, 26802 Moormerland, Germany - the Licensor -
// + The Licensor grants the customer a non-exclusive license to use the microcontroller firmware of the Flight-Ctrl, Navi-Ctrl, BL-Ctrl, and MK3Mag hardware 
// + (the Software) exclusively for private purposes. The License is unrestricted with respect to time and territory*.
// + The Software may only be used with the Licensor's products.
// + The Software provided by the Licensor is protected by copyright. With respect to the relationship between the parties to this
// + agreement, all rights pertaining to the Software and other documents provided during the preparation and execution of this
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// + The customer understands that the Licensor collects, stores and processes, and, where required, forwards, customer data
// + to third parties to the extent necessary for executing the agreement, subject to applicable data protection and privacy regulations.
// + *) The territory aspect only refers to the place where the Software is used, not its programmed range.
// + #### END OF LICENSING TERMS ####
// + Note: For information on license extensions (e.g. commercial use), please contact us at info(@)hisystems.de.
// ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
#include "91x_lib.h"
#include "compass.h"
#include "mk3mag.h"
#include "ncmag.h"
#include "spi_slave.h"
#include "mymath.h"
#include "uart1.h"
#include "fifo.h"
#include "led.h"
#include "main.h"
 
u8 CompassCalStateQueue[10];
fifo_t CompassCalcStateFiFo;
 
volatile s16vec_t MagVector;   // is written by mk3mag or ncmag implementation
volatile s16 Compass_Heading;  // is written by mk3mag or ncmag implementation
volatile u8  Compass_CalState; // is written by mk3mag or ncmag implementation
s16 Hx = 0, Hy = 0;
s32 EarthMagneticField = 100;
s32 EarthMagneticFieldFiltered = 100;
s32 EarthMagneticInclination = 0;
s32 EarthMagneticInclinationFiltered = 0;
s32 EarthMagneticInclinationTheoretic = 0;
u8  ErrorDisturbedEarthMagnetField = 0;
s16 EarthMagneticStrengthTheoretic = 0; // in mT (50 in Germany - 22 in Brazil)
 
#define COMPASS_NONE    0
#define COMPASS_MK3MAG  1
#define COMPASS_NCMAG   2
u8 Compass_Device = COMPASS_NONE;
 
void Compass_Init(void)
{
        switch(Compass_Device)
        {
                case COMPASS_NONE:
                        UART1_PutString("\r\n Looking for compass");
                        if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
                        else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
 
/*                      if(Version_HW > 11)
                        {
                                if(      NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
                                else if( MK3MAG_Init()) Compass_Device = COMPASS_MK3MAG;
                        }
                        else
                        {
                                if(     MK3MAG_Init() ) Compass_Device = COMPASS_MK3MAG;
                                else if( NCMAG_Init() ) Compass_Device = COMPASS_NCMAG;
                        }
*/
                        break;
 
                case COMPASS_NCMAG:
                        if( NCMAG_Init() )      Compass_Device = COMPASS_NCMAG;
                        else                            Compass_Device = COMPASS_NONE;
                        break;
 
                case COMPASS_MK3MAG:
                default:
                        // nothing to do
                        break;
 
        }
        fifo_init(&CompassCalcStateFiFo, CompassCalStateQueue, sizeof(CompassCalStateQueue), NO_ITLine, NO_ITLine);
 
        if(Compass_Device == COMPASS_MK3MAG) UART_VersionInfo.Flags |= NC_VERSION_FLAG_MK3MAG_PRESENT; else UART_VersionInfo.Flags &= ~NC_VERSION_FLAG_MK3MAG_PRESENT;
 
}
 
 
void Compass_CalcHeading(void)
{
        if((UART_VersionInfo.HardwareError[0] & NC_ERROR0_SPI_RX) || Compass_CalState)
        {
                Compass_Heading = -1;
        }
        else // fc attitude is avialable and no compass calibration active
        {
                // calculate attitude correction
                // a float implementation takes too long
                s16 tmp;
                s32 sinnick, cosnick, sinroll, cosroll;
                tmp = FromFlightCtrl.AngleNick/10; // in deg
                sinnick = (s32)c_sin_8192(tmp);
                cosnick = (s32)c_cos_8192(tmp);
                tmp = FromFlightCtrl.AngleRoll/10; // in deg
                sinroll = (s32)c_sin_8192(tmp);
                cosroll = (s32)c_cos_8192(tmp);
                // tbd. compensation signs and oriantation has to be fixed
                Hx = (s16)((MagVector.Y * cosnick + MagVector.Z * sinnick)/8192L);
                Hy = (s16)((MagVector.X * cosroll - MagVector.Z * sinroll)/8192L);
                // calculate heading
                tmp = (s16)(c_atan2_546(Hy, Hx)/546L);
                if (tmp > 0) tmp = 360 - tmp;
                else tmp = -tmp;
                Compass_Heading = tmp;
        }
}
 
 
void Compass_Update(void)
{
static s16vec_t old;  
static u32 check_value_counter = 0;
        // check for new cal state
        Compass_UpdateCalState();
        if(Compass_CalState) FC_is_Calibrated = 0;
        // initiate new compass communication
        switch(Compass_Device)
        {
                case COMPASS_MK3MAG:
                        MK3MAG_Update();
                        DebugOut.Analog[24] = MagVector.X;
                        DebugOut.Analog[25] = MagVector.Y;
                        DebugOut.Analog[26] = MagVector.Z;
                        break;
                case COMPASS_NCMAG:
                        NCMAG_Update();
                        DebugOut.Analog[24] = MagRawVector.X;
                        DebugOut.Analog[25] = MagRawVector.Y;
                        DebugOut.Analog[26] = MagRawVector.Z;
                default:
                        break;
        }
    if(!((old.X == MagVector.X) || (old.Y == MagVector.Y) || (old.Z == MagVector.Z))) check_value_counter = 0; // Values are normally changing
 
        if(check_value_counter > 5000)
         {
          Compass_Heading = -1; // values didn't change for 5 seconds -> probably a compass-fault
         }
         else check_value_counter++;
 
        old.X = MagVector.X;
        old.Y = MagVector.Y;
        old.Z = MagVector.Z;
}
 
// put cal state into fifo
void Compass_SetCalState(u8 CalState)
{
        fifo_put(&CompassCalcStateFiFo, CalState);
}
 
// get cal state from fifo
void Compass_UpdateCalState()
{
        fifo_get(&CompassCalcStateFiFo, (u8*)&Compass_CalState);
}
 
 
Subversion Repositories NaviCtrl

(root)/tags/V2.14d/compass.c @ 916 - Rev 394 → 454
