#include "DSP2833x_Device.h"     // DSP281x Headerfile Include File

// Configure the timing paramaters for Zone 7.
// Notes:
//    This function should not be executed from XINTF
//    Adjust the timing based on the data manual and
//    external device requirements.
void init_zone7(void)
{

    // Make sure the XINTF clock is enabled
	SysCtrlRegs.PCLKCR3.bit.XINTFENCLK = 1;

	// Configure the GPIO for XINTF with a 16-bit data bus
	// This function is in DSP2833x_Xintf.c
	InitXintf16Gpio();
    EALLOW;
    // All Zones---------------------------------
    // Timing for all zones based on XTIMCLK = SYSCLKOUT
    XintfRegs.XINTCNF2.bit.XTIMCLK = 0;
    // Buffer up to 3 writes
    XintfRegs.XINTCNF2.bit.WRBUFF = 3;
    // XCLKOUT is enabled
    XintfRegs.XINTCNF2.bit.CLKOFF = 0;
    // XCLKOUT = XTIMCLK
    XintfRegs.XINTCNF2.bit.CLKMODE = 0;

    // Zone 7------------------------------------
    // When using ready, ACTIVE must be 1 or greater
    // Lead must always be 1 or greater
    // Zone write timing
    XintfRegs.XTIMING7.bit.XWRLEAD = 1;
    XintfRegs.XTIMING7.bit.XWRACTIVE = 2;
    XintfRegs.XTIMING7.bit.XWRTRAIL = 1;
    // Zone read timing
    XintfRegs.XTIMING7.bit.XRDLEAD = 1;
    XintfRegs.XTIMING7.bit.XRDACTIVE = 3;
    XintfRegs.XTIMING7.bit.XRDTRAIL = 0;

    // don't double all Zone read/write lead/active/trail timing
    XintfRegs.XTIMING7.bit.X2TIMING = 0;

    // Zone will not sample XREADY signal
    XintfRegs.XTIMING7.bit.USEREADY = 0;
    XintfRegs.XTIMING7.bit.READYMODE = 0;

    // 1,1 = x16 data bus
    // 0,1 = x32 data bus
    // other values are reserved
    XintfRegs.XTIMING7.bit.XSIZE = 3;
    EDIS;

   //Force a pipeline flush to ensure that the write to
   //the last register configured occurs before returning.
   asm(" RPT #7 || NOP");
}

void setup_leds_line()
{
    EALLOW;
	GpioCtrlRegs.GPBMUX1.bit.GPIO32 = 0;
	GpioCtrlRegs.GPBMUX2.bit.GPIO48 = 0;
	GpioCtrlRegs.GPBDIR.bit.GPIO32 = 1;
	GpioCtrlRegs.GPBDIR.bit.GPIO48 = 1;
    EDIS;
}

void pause_us(unsigned long t)
{
  unsigned long      i;

//unsigned long powse;

	t = t >> 1;

	for (i = 0; i < t; i++)
	{
		DSP28x_usDelay(40L); 
//		powse=40L;
//		for(powse=0; powse<40; powse++);
	}
}