dsp281x_initdsp.c

代码用于测试dsp2812的硬件功能

//#########################################################################
//
//	FIFlE:	DSP2812x_DeviceInit.c;
//	DESCRIPTION:	DSP2812x device system and peripherals control initialization;
//	WRITER:	ZHANG XiaoLang;
//	DATE:	2008/3/11;
//
//###############################################################################

#include "DSP281x_Device.h"     // DSP281x Headerfile Include File;
#include "DSP281x_Examples.h"  

// External symbols created by the linker cmd file
extern Uint16 RamfuncsLoadStart;
extern Uint16 RamfuncsLoadEnd;
extern Uint16 RamfuncsRunStart;

//--------------------------------------------------------------------------
//function: initialize the device;
//--------------------------------------------------------------------------
void InitDSP(void)	
{
	InitSysCtrl();		// Initialize the DSP's core Registers 
	StopCpuTimer0();   	// Just stop it;
	DisableDog();		// Disable the watch dog;
	InitGpio();         // Initialize the GPIO to default state; 
	// Copy all FLASH sections that need to run from RAM (use memcpy() from RTS library)
		// Section ramfuncs contains user defined code that runs from CSM secured RAM
	memcpy( &RamfuncsRunStart,
		&RamfuncsLoadStart,
      	&RamfuncsLoadEnd - &RamfuncsLoadStart); 
	CfgFlash();        	// Initialize the FLASH ;
	InitXintf();		// Initialize the external interface;
	InitPieVectTable(); // Function call to init PIE vector table ( code : DSP281x_PieVect.c )
	InitPieCtrl();      // Function Call to init PIE-unit ( code : DSP281x_PieCtrl.c)
	InitXIntrupt();		// Configure the external interrupts; 
	InitSci();		  
	InitEv();  			// Configure EV
//#if	PSXII_MAX7219
 //	InitPort_PS();
//#else
	InitSpi();
//#endif
	InitCpuTimers();
	EnableInterrupts();  //Fuction call to enable interrupts used( code : DSP281x_PieCtrl.c)
	ConfigCpuTimer(&CpuTimer0, 120, 1000000);
	StartCpuTimer0();
}

void delay(Uint32 DULim)
{
	Uint32 i;
	for (i = 0x00000000 ; i < DULim ; i++);
//	KickDog();
}

//--------------------------------------------------------------------------
// No more;
//--------------------------------------------------------------------------