MSP430 8MHz für MSP Board!?

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

void Set_DCO (void)                         // Set DCO to selected frequency

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

{

#define DELTA 125              // target DCO = DELTA*(32768) = 4096000

  unsigned int Compare, Oldcapture = 0;

  CCTL2 = CM_1 + CCIS_1 + CAP;              // CAP, ACLK

  TACTL = TASSEL_2 + MC_2 + TACLR;          // SMCLK, cont-mode, clear

  while (1)

  {

    while (!(CCIFG & CCTL2));               // Wait until capture occured

    CCTL2 &= ~CCIFG;                        // Capture occured, clear flag

    Compare = CCR2;                         // Get current captured SMCLK

    Compare = Compare - Oldcapture;         // SMCLK difference

    Oldcapture = CCR2;                      // Save current captured SMCLK

    if (DELTA == Compare) break;            // If equal, leave "while(1)"

    else if (DELTA < Compare)               // DCO is too fast, slow it down

    {

      DCOCTL--;

      if (DCOCTL == 0xFF)

      {

        if (!(BCSCTL1 == (XT2OFF)))

        BCSCTL1--;                          // Did DCO roll under?, Sel lower RSEL

      }

    }

    else

    {

      DCOCTL++;

      if (DCOCTL == 0x00)

        {

          if (!(BCSCTL1 == (XT2OFF + 0x07)))

          BCSCTL1++;                        // Did DCO roll over? Sel higher RSEL

        }

    }

  }

  CCTL2 = 0;                                // Stop CCR2

  TACTL = 0;                                // Stop Timer_A

}