main.c

smp860运动控制器USB驱动,对从事数控技术开发人员非常有用

#include "../inc/def.h"
#include "../inc/config.h"
#include "../inc/board.h"
#include "../inc/utils.h"

void DftEnvInit(void);
void File_System_Global_Init( void ) ;
extern int Udisk_To_PC(void);

static void SwiHandler(void)
{
	puts("Swi Interrupt detected\n");
		while(1);
}

static void DataAbortHandler(void) 
{
	puts("Data Abort detected\n");
	while (1);
}

static void FetchAbortHandler(void)
{
	puts("Prefetch Abort detected\n");
	while (1);
}

static void UndefHandler() 
{
	puts("Halt on Undefined instruction\n");
	while (1);
}

#ifndef	INTERRUPT_SUPPORT
static void IrqHandler(void)
{
	puts("Halt on IRQ!\n");
	while(1);
}
#endif

static void FiqHandler(void)
{
	puts("Halt on FIQ!\n");
	while(1);
}

static __inline void VectorInit(void)
{
	UdfInsVector = (U32)UndefHandler;
	SwiSvcVector = (U32)SwiHandler;
	InsAbtVector = (U32)FetchAbortHandler;
	DatAbtVector = (U32)DataAbortHandler;
	
#ifndef	INTERRUPT_SUPPORT
	IrqSvcVector = (U32)IrqHandler;
#endif
	FiqSvcVector = (U32)FiqHandler;
}

void LedDisp(void)
{
}


/****************************************************************************
【功能说明】系统主函数
****************************************************************************/
void Main(void)
{
	DisableInt();	//Disable interrupt
	
	BoardInitStart();
	
	SystemClockInit();
	TimerInit(TIMER_FREQ);
	MemCfgInit();
	PortInit();

	
	VectorInit();
#ifdef	INTERRUPT_SUPPORT
	DisableIrq(-1);		//Mask all IRQ
	AckAndClrIrq(-1);	//ACK and Clear all IRQ
	EnableInt();		//Enable interrupt
#endif

#ifdef	NOR_FLASH_SUPPORT
	NorFlashInit();
#endif
#ifdef	NAND_FLASH_SUPPORT
	NandFlashInit();
#endif
	
#ifdef	SAVE_ENV_SUPPORT	
	if(LoadEnv())
		DftEnvInit();
#else
	DftEnvInit();
#endif

	TimerInit(TIMER_FREQ);
	
	BoardInitEnd();

	CacheDisable();
	CacheFlush();
	CacheEnable();
	
	ShowBootInfo();
#ifdef	NOR_FLASH_SUPPORT
	NorFlashStatusRep();
#endif
#ifdef	NAND_FLASH_SUPPORT
	NandFlashStatusRep();
	File_System_Global_Init() ;
#endif

	Udisk_To_PC();
	
}


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