usbdemo.c

s3c44b0试验程序

#include "..\inc\44b0x.h"
#include "uTypes.h"
#include "sysUtils.h"
#include "console.h"
#include "D12Def.h"

//申明函数
void IoConfig (void);

//我们用这个片编存储我们的IRQ ISR入口地址
U32 pIrqStart = 0;
U32 pIrqFinish = 0; 
U32 pIrqHandler = 0;

int main(void)
{
  int i;
  sysUtilsSetPllValue (24, 6, 1);
  IoConfig ();

  console_init (115200);

  printf ("\n\nITSN - 44B0 board Test programe version 1.0.\n\n");

  //熄灭所有的LED灯
  sysUtilsLightLed (LED_ALL, FALSE);
  
	if(UsbRdChipId()==0x1210)
	{
		puts("Find Pdiusbd12, chip id = 0x1210");
		
		UsbInit();
		
		while(1)
		{
			i = UsbQueryInt();
			UsbIntProc(i);			
		}
	}
  
  return 0;
}

#if 0
int main(void)
//#pragma import(__use_no_semihosting_swi)
{
	int i;
		
	ChangePllValue(24, 6, 1);	//修改系统主频为2倍频
	PortInit();
	console_init(115200);	
		
	puts("System Initialized.\n");		
	
	if(UsbRdChipId()==0x1210)
	{
		printf ("Find Pdiusbd12, chip id = 0x1210.\n");
		
		UsbInit();
		
		while(1)
		{
			i = UsbQueryInt();
			UsbIntProc(i);			
		}
	}
}
#endif

void IoConfig (void)
{
  	// PORT A GROUP
	/*  BIT 9	8	7	6	5	4	3	2	1	0	*/
	/*  A24	  A23	A22	A21	A20	A19	A18	A17	A16	A0	*/	      
	/*  0		1	1	1	1	1	1	1	1	1	*/
	rPCONA = 0x1ff;	

	// PORT B GROUP
	/*  BIT 10	9		8		7		6		5		4		3		2		1		0		*/
	/*	/CS5	/CS4	/CS3	/CS2	/CS1	nWBE3	nWBE2	/SRAS	/SCAS	SCLK	SCKE	*/
	/*	EXT		NIC		8019	IDE		D12		NC		NC		Sdram	Sdram	Sdram	Sdram	*/
	/*	1,		1,   	1,   	1,    	1,    	0,      0,		1,    	1,    	1,   	1       */
	rPDATB = 0x04f;
	rPCONB = 0x3cf;    
    
	//PORT C GROUP
	//BUSWIDTH=16													*/
	/*  PC15	14		13		12		11		10		9		8	*/
	/*	o		o		RXD1	TXD1	o		o		o		o	*/
	/*	NC		NC		Uart1	Uart1	NC		NC		NC		NC	*/
	/*  01		01		11		11		01		01		01		01	*/

	/*  PC7		6		5		4		3		2		1		0	*/
	/*  o		o		o		o		o		o		o		o	*/
	/*  NC		NC		NC		NC		LED		LED		LED		LED	*/
	/*  01		01		01		01		01		01		01		01	*/
	rPDATC = 0x0000;	//All IO is low
	rPCONC = 0x5f555555;	
	rPUPC  = 0x3000;	//PULL UP RESISTOR should be enabled to I/O

	//PORT D GROUP
	/*  PORT D GROUP(I/O OR LCD)										*/
	/*  BIT7		6		5		4		3		2		1		0	*/
	/*  VF			VM		VLINE	VCLK	VD3		VD2		VD1		VD0	*/
	/*	01			01		01		01		01		01		01		01	*/
	rPDATD= 0x55;
	rPCOND= 0xaaaa;	
	rPUPD = 0x00;
	//These pins must be set only after CPU's internal LCD controller is enable
/////////////////////////////////////////////////////	
	//PORT E GROUP 
	/*  Bit 8		7		6		5		4		3		2		1		0		*/
	/*	ENDLAN		o		o		TOU2	o		o		RXD0	TXD0	FOUT	*/ 
	/*  00			01		01		10		01		01		10		10		11		*/	
	rPDATE	= 0x157;				//Beep = 10
	rPCONE	= 0x596b;				
	rPUPE	= 0xff;
	
	//PORT F GROUP
	/*  Bit8		7		6		5		 4		3		2		1		0		*/   
	/*  IISCLK		IISDI	IISDO	IISLRCK	Input	Input	Input	IICSDA	IICSCL	*/
	/*	100			100		100		100		00		00		00		10		10		*/	
	rPDATF = 0x0;
	rPCONF = 0x24900a;	 
	rPUPF  = 0x1d3;

	//PORT G GROUP
	/*  BIT7		6		5		4		3		2		1		0		*/
	/*	EINT7		EINT6	EINT5	EINT4	EINT3	EINT2	EINT1	EINT0	*/
	/*  KEY3		KEY2	KEY1	KEY0	NIC		EXT		IDE		USB		*/
	/*	11 			11      11      11      11      11      11      11		*/
	rPDATG = 0xff;
	rPCONG = 0x0000;
	rPUPG  = 0x00;	//should be enabled  

	rSPUCR= 0x4;//0x7;  //D15-D0 pull-up disable
	//rSPUCR= 0x6;  //D15-D0 pull-up enable
	
	rSYSCFG = 0x0e;				//使用8K字节的指令缓存,write buffer disable		 
	rNCACHBE0 = 0xc0002000;		//定义非Cache区,从0x2000000到0xbffffff,中断时进入ROM,若不允许CACHE不正常???
	rEXTINT = 0x0;				//所有的外部硬件中断为低电平触发
}