Verluste am Motor? Oder Fehler im Code?

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

// @Defines

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

// USER CODE BEGIN (CC1_General,4)

/*

#define MAX 65535    // untere Grenze

#define MIN 65135     // obere Grenze

#define MAXDREH 3000  // maximale Drehzahl

*/

// USER CODE END

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

// @Global Variables

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

// USER CODE BEGIN (CC1_General,7)

volatile unsigned int CC9alt;    // Dummy für Inhalt bei der vorheringen pos. Flanke (global)

volatile unsigned long int Counter_dif;  // Inhaltdifferenz des Timers bei 2 pos. Flanken

volatile unsigned long int Drehzahl_mot; // Istdrehzahl 

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

// @Prototypes Of Local Functions

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

// USER CODE BEGIN (CC1_General,9)

unsigned long int Drehzahl (void);  // Funktion zur Berechnung der Drehzahl

//unsigned long int Drehz_setzen(int);          // Solldrehzahl setzen mit Überwinden des Anlaufmomentes

// USER CODE END

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

//              Variablen

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

unsigned int Counter = 0;  // zum Zählen der Interrupts

//int Pulsbreite = 400;

//unsigned long int Hexwert;  // der entspr. Wert für CC2_CC30

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

//               Unterfunktionen

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

unsigned long int Drehzahl(void)

{

unsigned long int Drehz =0;

  /*if (Counter ==1)

  {

    CC9alt = 0x0000;

  } */

  if (CC1_CC9 < CC9alt) // Heißt: der Timer ist abgelaufen

    {

    Counter_dif = 0-(CC1_CC9-CC9alt);

    //Counter=0;

    }

  else

    {

  Counter_dif = CC1_CC9-CC9alt;

    }

  CC9alt = CC1_CC9;

  Drehz = 1200000L/(int)Counter_dif; // Drehzahl in Umdrehungen pro Minute

   return Drehz; 

}

// USER CODE END

void CC1_vInit(void)

{

  // USER CODE BEGIN (Init,2)

  CC9alt = 0x0000; // Vorbelegen für die erste Berechnung der Periode

  // USER CODE END

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

  ///  Configuration of CAPCOM1 Control:

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

  ///  - the contents of the port register is changed by the CAPCOM1 unit

  ///  - staggered mode is disabled

  CC1_IOC        =  0x0004;      // load CAPCOM1 I/O control register

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

  ///  Configuration of CAPCOM1 Timer 0:

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

  ///  - timer 0 works in timer mode

  ///  - prescaler factor is 4

  ///  - timer 0 run bit is set

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

  ///  Configuration of CAPCOM1 Timer 1:

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

  ///  - timer 1 works in timer mode

  ///  - prescaler factor is 1

  ///  - timer 1 run bit is reset

  CC1_T01CON     =  0x0002;      // load CAPCOM1 timer 0 and timer 1 control 

                                 // register

  CC1_T0         =  0x0000;      // load CAPCOM1 timer 0 register

  CC1_T0REL      =  0x0000;      // load CAPCOM1 timer 0 reload register

  CC1_T1         =  0x0000;      // load CAPCOM1 timer 1 register

  CC1_T1REL      =  0x0000;      // load CAPCOM1 timer 1 reload register

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

  ///  Configuration of the used CAPCOM1 Timer Port Pins:

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

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

  ///  Configuration of the used CAPCOM1 Timer Interrupts:

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

  ///  Tmr0 service request node configuration:

  ///  - Tmr0 interrupt priority level (ILVL) = 9

  ///  - Tmr0 interrupt group level (GLVL) = 1

  ///  - Tmr0 group priority extension (GPX) = 0

  CC1_T0IC       =  0x0065;     

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

  ///  Configuration of the used CAPCOM1 Channel 0:

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

  ///  - channel 0 is disabled

  CC1_CC0        =  0x0000;      // load CAPCOM1 channel 0 register

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

  ///  Configuration of the used CAPCOM1 Channel 1:

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

  ///  - channel 1 is disabled

  CC1_CC1        =  0x0000;      // load CAPCOM1 channel 1 register

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

  ///  Configuration of the used CAPCOM1 Channel 2:

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

  ///  - channel 2 is disabled

  CC1_CC2        =  0x0000;      // load CAPCOM1 channel 2 register

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

  ///  Configuration of the used CAPCOM1 Channel 3:

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

  ///  - channel 3 is disabled

  CC1_CC3        =  0x0000;      // load CAPCOM1 channel 3 register

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

  ///  Configuration of the used CAPCOM1 Channel 4:

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

  ///  - channel 4 is disabled

  CC1_CC4        =  0x0000;      // load CAPCOM1 channel 4 register

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

  ///  Configuration of the used CAPCOM1 Channel 5:

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

  ///  - channel 5 is disabled

  CC1_CC5        =  0x0000;      // load CAPCOM1 channel 5 register

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

  ///  Configuration of the used CAPCOM1 Channel 6:

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

  ///  - channel 6 is disabled

  CC1_CC6        =  0x0000;      // load CAPCOM1 channel 6 register

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

  ///  Configuration of the used CAPCOM1 Channel 7:

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

  ///  - channel 7 is disabled

  CC1_CC7        =  0x0000;      // load CAPCOM1 channel 7 register

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

  ///  Configuration of the used CAPCOM1 Channel 8:

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

  ///  - channel 8 is disabled

  CC1_CC8        =  0x0000;      // load CAPCOM1 channel 8 register

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

  ///  Configuration of the used CAPCOM1 Channel 9:

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

  ///  - capture on positive transition (rising edge) at pin CC9IO (P2.9)

  ///  - CC9 allocated to CAPCOM1 timer 0

  ///  - single event mode is disabled

  CC1_CC9        =  0x0000;      // load CAPCOM1 channel 9 register

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

  ///  Configuration of the used CAPCOM1 Channel 10:

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

  ///  - channel 10 is disabled

  CC1_CC10       =  0x0000;      // load CAPCOM1 channel 10 register

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

  ///  Configuration of the used CAPCOM1 Channel 11:

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

  ///  - channel 11 is disabled

  CC1_CC11       =  0x0000;      // load CAPCOM1 channel 11 register

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

  ///  Configuration of the used CAPCOM1 Channel 12:

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

  ///  - channel 12 is disabled

  CC1_CC12       =  0x0000;      // load CAPCOM1 channel 12 register

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

  ///  Configuration of the used CAPCOM1 Channel 13:

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

  ///  - channel 13 is disabled

  CC1_CC13       =  0x0000;      // load CAPCOM1 channel 13 register

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

  ///  Configuration of the used CAPCOM1 Channel 14:

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

  ///  - channel 14 is disabled

  CC1_CC14       =  0x0000;      // load CAPCOM1 channel 14 register

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

  ///  Configuration of the used CAPCOM1 Channel 15:

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

  ///  - channel 15 is disabled

  CC1_CC15       =  0x0000;      // load CAPCOM1 channel 15 register

  CC1_M0         =  0x0000;      // load CAPCOM1 mode register 0

  CC1_M1         =  0x0000;      // load CAPCOM1 mode register 1

  CC1_M2         =  0x0010;      // load CAPCOM1 mode register 2

  CC1_M3         =  0x0000;      // load CAPCOM1 mode register 3

  CC1_DRM        =  0x0000;      // load CAPCOM1 double-register mode register

  CC1_SEM        =  0x0000;      // load CAPCOM1 single event mode register

  CC1_SEE        =  0x0000;      // load CAPCOM1 single event enable register

  CC1_OUT        =  0x0000;      // load CAPCOM1 compare output register

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

  ///  Configuration of the used CAPCOM1 Channel Port Pins:

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

  ///  - P2.9 is used for CAPCOM1 Input (CC9IO)

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

  ///  Configuration of the used CAPCOM1 Channels Interrupts:

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

  ///  CC9 service request node configuration:

  ///  - CC9 interrupt priority level (ILVL) = 9

  ///  - CC9 interrupt group level (GLVL) = 3

  ///  - CC9 group priority extension (GPX) = 0

  CC1_CC9IC      =  0x0067;     

  CC1_T01CON_T0R    = 1;    // set CAPCOM1 timer 0 run bit

  // USER CODE BEGIN (Init,3)

  // USER CODE END

} //  End of function CC1_vInit

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

// @Function      void CC1_viTmr0(void) 

//

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

// @Description   This is the interrupt service routine for the CAPCOM1 timer 

//                0. It is called when overflow of the timer 0 register 

//                occurs.

//                Please note that you have to add application specific code 

//                to this function.

//

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

// @Returnvalue   None

//

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

// @Parameters    None

//

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

// @Date          21.11.2007

//

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

// USER CODE BEGIN (Tmr0,1)

// USER CODE END

void CC1_viTmr0(void) interrupt CC1_T0INT using RB_LEVEL9

{

  // USER CODE BEGIN (Tmr0,2)

  // USER CODE END

} //  End of function CC1_viTmr0

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

// @Function      void CC1_viCC9(void) 

//

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

// @Description   This is the interrupt service routine for the CAPCOM1 

//                register CC9. If the content of the corresponding compare 

//                timer (configurable) equals the content of the 

//                capture/compare register CC9 or if a capture event occurs 

//                at the associated port pin, the interrupt request flag is 

//                set and an interrupt is triggered (only if enabled).

//                Please note that you have to add application specific code 

//                to this function.

//

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

// @Returnvalue   None

//

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

// @Parameters    None

//

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

// @Date          21.11.2007

//

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

// USER CODE BEGIN (CC9,1)

// USER CODE END

void CC1_viCC9(void) interrupt CC1_CC9INT using RB_LEVEL9

{

  // USER CODE BEGIN (CC9,2)

  Counter++; // zählen der Interrupts  und der Encoderimpulse

  Drehzahl_mot = Drehzahl();

  // USER CODE END

} //  End of function CC1_viCC9