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#include "DSP28_Device.h"

//---------------------------------------------------------------------------
// InitXINTF:
//---------------------------------------------------------------------------
// This function initializes the External Interface to a known state.
//

void InitXintf(void)
{


// Example of chaning the timing of XINTF Zones.
// Note acutal values should be based on the hardware
// attached to the zone - timings presented here are
// for example purposes.

// All Zones:
// Timing for all zones based on XTIMCLK = SYSCLKOUT/2
XintfRegs.XINTCNF2.bit.XTIMCLK = 1; // XTIMCLK = SYSCLKOUT/2
XintfRegs.XINTCNF2.bit.CLKOFF = 1; // DISABLE XCLKOUT
XintfRegs.XINTCNF2.bit.WRBUFF = 0; // NO WRITE BUFFER
XintfRegs.XINTCNF2.bit.CLKMODE = 1; // XCLKOUT = XTIMCLK/4
// Zone 0
// Ignore XREADY for Zone 1 accesses
// Change read access lead/active/trail timing
XintfRegs.XTIMING0.bit.USEREADY = 0;
XintfRegs
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= 3;
XintfRegs.XTIMING2.bit.XWRACTIVE = 1;
XintfRegs.XTIMING2.bit.XWRTRAIL=3;
XintfRegs.XTIMING2.bit.XWRLEAD=1;
XintfRegs.XTIMING2.bit.XRDLEAD = 1;
XintfRegs.XTIMING2.bit.XRDACTIVE =3;
XintfRegs.XTIMING2.bit.XRDTRAIL = 1;
//no Double lead/active/trial timing for Zone 2
XintfRegs.XTIMING2.bit.X2TIMING=0;


// Zone 6
// Ignore XREADY for Zone 2 accesses
// Change read access lead/active/trail timing
XintfRegs.XTIMING6.bit.USEREADY = 0;
XintfRegs.XTIMING6.bit.XSIZE = 3;
XintfRegs.XTIMING6.bit.XWRACTIVE = 1;
XintfRegs.XTIMING6.bit.XWRTRAIL=1;
XintfRegs.XTIMING6.bit.XWRLEAD=1;
XintfRegs.XTIMING6.bit.XRDLEAD = 1;
XintfRegs.XTIMING6.bit.XRDACTIVE =1;
XintfRegs.XTIMING6.bit.XRDTRAIL = 1;
// Double lead/active/trial timing for Zone 2
XintfRegs.XTIMING6.bit.X2TIMING=0;


}

//===========================================================================
// No more.
//===========================================================================