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📄 sl811.lst

📁 这是在SL811上实现的对U盘进行FAT32或FAT16读写的程序
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 531          {  
 532   1      	unsigned char i;											// always reset USB transfer address 
 533   1      	unsigned char uAddr = 0;							// for enumeration to Address #0
 534   1      	unsigned char epLen;
 535   1      	//unsigned short strLang;
 536   1      	
 537   1      	pDevDesc  pDev;	
 538   1      	pCfgDesc pCfg;
 539   1      	pIntfDesc pIfc;
 540   1      	pEPDesc pEnp;
 541   1      	//------------------------------------------------
 542   1      	// Reset only Slave device attached directly
 543   1      	//------------------------------------------------
 544   1      	uDev.wPayLoad[0] = 8;	// default 64-byte payload of Endpoint 0, address #0
 545   1      	if(usbaddr == 1)		// bus reset for the device attached to SL811HS only
 546   1      		USBReset();		// that will always have the USB address = 0x01 (for a hub)
 547   1          	
 548   1          	DelayMs(25);
 549   1      	
 550   1      	//------------------------------------------------
C51 COMPILER V6.20c  SL811                                                                 04/07/2005 10:50:50 PAGE 10  

 551   1      	// Get USB Device Descriptors on EP0 & Addr 0
 552   1      	// with default 64-byte payload
 553   1      	//------------------------------------------------
 554   1      	pDev =(pDevDesc)DBUF;					// ask for 64 bytes on Addr #0
 555   1      	
 556   1      	usbstack.usbaddr=uAddr;
 557   1      	usbstack.setup.wValue=DEVICE;
 558   1      	usbstack.setup.wIndex=0;
 559   1      	usbstack.setup.wLength=18;
 560   1      	//usbstack.setup.wLength=sbstack.setup.wLength);
 561   1      	usbstack.buffer=DBUF;
 562   1      	
 563   1      	if (!GetDesc())			// and determine the wPayload size
 564   1      		return FALSE;								// get correct wPayload of Endpoint 0
 565   1      	uDev.wPayLoad[0]=pDev->bMaxPacketSize0;// on current non-zero USB address
 566   1      
 567   1      	//------------------------------------------------
 568   1      	// Set Slave USB Device Address
 569   1      	//------------------------------------------------
 570   1      	if (!SetAddress(usbaddr)) 						// set to specific USB address
 571   1      		return FALSE;								//
 572   1      	uAddr = usbaddr;								// transfer using this new address
 573   1      	//------------------------------------------------
 574   1      	// Get USB Device Descriptors on EP0 & Addr X
 575   1      	//------------------------------------------------
 576   1      	pDev =(pDevDesc)DBUF;
 577   1      	usbstack.usbaddr=uAddr;
 578   1      	
 579   1      	usbstack.setup.wLength=pDev->bLength;
 580   1      	usbstack.setup.wValue=DEVICE;
 581   1      	usbstack.setup.wIndex=0;
 582   1      	
 583   1      	//usbstack.setup.wLength=0x12;//(unsigned short)DBUF[0];//pDev->bLength;
 584   1      	usbstack.buffer=DBUF;
 585   1      	
 586   1      	if (!GetDesc()) 	
 587   1      		return FALSE;								// For this current device:
 588   1      	uDev.wVID  = pDev->idVendor;			// save VID
 589   1      	uDev.wPID  = pDev->idProduct;			// save PID
 590   1      	uDev.iMfg  = pDev->iManufacturer;		// save Mfg Index
 591   1      	uDev.iPdt  = pDev->iProduct;			// save Product Index
 592   1      
 593   1      	//------------------------------------------------
 594   1      	// Get String Descriptors
 595   1      	//------------------------------------------------
 596   1      	//------------------------------------------------
 597   1      	// Get Slave USB Configuration Descriptors
 598   1      	//------------------------------------------------
 599   1      	
 600   1      	pCfg = (pCfgDesc)DBUF;	
 601   1      	
 602   1      	usbstack.usbaddr=uAddr;
 603   1      	usbstack.setup.wValue=CONFIGURATION;
 604   1      	usbstack.setup.wIndex=0;
 605   1      	usbstack.setup.wLength=64;
 606   1      	usbstack.buffer=DBUF;	
 607   1      	if (!GetDesc()) 		
 608   1      		return FALSE;	
 609   1      	
 610   1      	pIfc = (pIntfDesc)(DBUF + 9);					// point to Interface Descp
 611   1      	uDev.bClass 	= pIfc->iClass;			// update to class type
 612   1      	uDev.bNumOfEPs = (pIfc->bEndPoints <= MAX_EP) ? pIfc->bEndPoints : MAX_EP;
C51 COMPILER V6.20c  SL811                                                                 04/07/2005 10:50:50 PAGE 11  

 613   1      	
 614   1      	if(uDev.bClass==8) //mass storage device
 615   1      		bXXGFlags.bMassDevice=TRUE;
 616   1      	else 
 617   1      		return FALSE;
 618   1      	//------------------------------------------------
 619   1      	// Set configuration (except for HUB device)
 620   1      	//------------------------------------------------
 621   1      	usbstack.usbaddr=uAddr;
 622   1      	//if (uDev[usbaddr].bClass!=HUBCLASS)				// enumerating a FS/LS non-hub device
 623   1      	if (!Set_Configuration())		// connected directly to SL811HS
 624   1      		return FALSE;
 625   1      	if (!Set_Interface())		
 626   1      		return FALSE;
 627   1      	//------------------------------------------------
 628   1      	// For each slave endpoints, get its attributes
 629   1      	// Excluding endpoint0, only data endpoints
 630   1      	//------------------------------------------------
 631   1      	
 632   1      	epLen = 0;
 633   1      	for (i=1; i<=uDev.bNumOfEPs; i++)				// For each data endpoint
 634   1      	{
 635   2      		pEnp = (pEPDesc)(DBUF + 9 + 9 + epLen);	   			// point to Endpoint Descp(non-HID)
 636   2      		//if(pIfc->iClass == HIDCLASS)	
 637   2      		//	pEnp = (pEPDesc)(DBUF + 9 + 9 + 9 + epLen);		// update pointer to Endpoint(HID)
 638   2      		uDev.bEPAddr[i]  	= pEnp->bEPAdd;			// Ep address and direction
 639   2      		uDev.bAttr[i]		= pEnp->bAttr;			// Attribute of Endpoint
 640   2      		uDev.wPayLoad[i] 	= WordSwap(pEnp->wPayLoad);		// Payload of Endpoint
 641   2      		uDev.bInterval[i] 	= pEnp->bInterval;		// Polling interval
 642   2      	    	uDev.bData1[i] = 0;			            // init data toggle
 643   2      		epLen += 7;
 644   2      		uDev.bData1[i]=0;
 645   2      		bXXGFlags.bData1=0;
 646   2      		//////////////////////////////
 647   2      		if(uDev.bAttr[i]==0x2)
 648   2      		{
 649   3      		    if(uDev.bEPAddr[i]&0x80)
 650   3      		    	usbstack.epbulkin=uDev.bEPAddr[i];
 651   3      		    else
 652   3      		    	usbstack.epbulkout=uDev.bEPAddr[i];
 653   3      		}
 654   2      		//////////////////////////////
 655   2      	}
 656   1      	/////////////////////////
 657   1      	usbstack.buffer=DBUF;
 658   1      	if(!GetMaxLUN())
 659   1      		return FALSE;
 660   1      	opLun=DBUF[0]&0x03;
 661   1      	////////////////////////
 662   1      	return TRUE;
 663   1      }
 664          
 665          ///////////////////////////////////////////////////////////////////////////////////////////
 666          void SL811_Init(void)
 667          {	
 668   1      			
 669   1      	SL811_CS=0;
 670   1      	///////////////////////////////////////////////////////
 671   1      	SL811Write(cDATASet,0xe0);
 672   1      	SL811Write(cSOFcnt,0xae);
 673   1      	SL811Write(CtrlReg,0x5);
 674   1      			
C51 COMPILER V6.20c  SL811                                                                 04/07/2005 10:50:50 PAGE 12  

 675   1      	SL811Write(EP0Status,0x50);
 676   1      	SL811Write(EP0Counter,0);
 677   1      	SL811Write(EP0Control,0x01);
 678   1      	
 679   1      	SL811Write(IntEna,0x20);      		// USB-A, Insert/Remove, USB_Resume.
 680   1      	SL811Write(IntStatus,INT_CLEAR);	// Clear Interrupt enable status
 681   1      }
 682          
 683          void check_key_LED(void)
 684          {
 685   1      /*	static unsigned char last_key=0x7;
 686   1      	unsigned char *pBuf;//=(unsigned char *)&UartCmdBlock;
 687   1      	unsigned int *wpBuf;
 688   1      	unsigned char intr;
 689   1      	unsigned int i,len,j;
 690   1      	//SL811Write(IntStatus,INSERT_REMOVE);
 691   1      	/////// for test only /////////////////////
 692   1      	intr=SWM0;
 693   1      	intr&=0x1;
 694   1      	if(intr!=last_key)
 695   1      		{
 696   1      		if(intr==0)
 697   1      			{
 698   1      			pBuf=(unsigned char *)&UartCmdBlock;
 699   1      			for(i=0;i<64;i++)
 700   1      				*(pBuf+i)=*(cmd_test_createfile+i);
 701   1      			UartHandler(1);
 702   1      			//bXXGFlags.bits.bUartInDone=1;
 703   1      			last_key=0;
 704   1      			}
 705   1      		else
 706   1      			last_key=1;
 707   1      		}
 708   1      	////////////////////////////////////////////
 709   1      	intr=SWM1;
 710   1      	intr&=0x1;
 711   1      	if(intr!=last_key)
 712   1      		{
 713   1      		if(intr==0)
 714   1      			{
 715   1      			pBuf=(unsigned char *)&UartCmdBlock;
 716   1      			for(i=0;i<64;i++)
 717   1      				*(pBuf+i)=*(cmd_test_writefile+i);
 718   1      			
 719   1      			wpBuf=(unsigned int *)UARTBUF;
 720   1      			len=SwapINT16(UartCmdBlock.CmdBlock.Cmd_WriteFile.writeLength)/2;
 721   1      			for(i=0;i<len;i++)
 722   1      				*(wpBuf+i)=i;
 723   1      			
 724   1      			UartHandler(1);
 725   1      			//bXXGFlags.bits.bUartInDone=1;
 726   1      			last_key=0;
 727   1      			}
 728   1      		else
 729   1      			last_key=1;
 730   1      		}
 731   1      */	
 732   1      }
 733          
 734          void check_usbdevice(void)
 735          {
 736   1      	unsigned char intr;
C51 COMPILER V6.20c  SL811                                                                 04/07/2005 10:50:50 PAGE 13  

 737   1      	//SL811Write(IntStatus,INSERT_REMOVE);
 738   1      	intr=SL811Read(IntStatus);
 739   1      	SL811Write(IntStatus,INT_CLEAR);
 740   1      	SL811Write(IntStatus,INSERT_REMOVE);
 741   1      
 742   1      	if(intr & 0x40)	// This bit is "1" -> Device not present 
 743   1      		   {
 744   2      		   if(bXXGFlags.SLAVE_ONLINE ==1)
 745   2      		   	{
 746   3      		   	MCU_LED0=1;
 747   3      			MCU_LED1=1;
 748   3      			bXXGFlags.UDiskOK = FALSE;
 749   3      		   	bXXGFlags.SLAVE_ONLINE =0;
 750   3      		   	USBReset();
 751   3      		   	
 752   3      			}
 753   2      		   }
 754   1      	else	// This bit is "0" -> Device is present 
 755   1      	{
 756   2      		if(bXXGFlags.SLAVE_ONLINE == 0)
 757   2      		   	{
 758   3      			DelayMs(250);
 759   3      			if(!EnumUsbDev(1))					//step 1: enumerate USB device, assign USB address = #1
 760   3      				{
 761   4      				USBReset();
 762   4      				return;
 763   4      				}
 764   3      			MCU_LED0=0;
 765   3      			if(EnumMassDev())					//step 2: emumerate U-Disk
*** WARNING C206 IN LINE 765 OF SL811.C: 'EnumMassDev': missing function-prototype
 766   3      					{
 767   4      					bXXGFlags.UDiskOK = TRUE;
 768   4      					MCU_LED1=0;
 769   4      		   		}
 770   3      			else
 771   3      					{
 772   4      					MCU_LED1=1;
 773   4      					bXXGFlags.UDiskOK = FALSE;
 774   4      					USBReset();
 775   4      					}	
 776   3      					
 777   3      		   	bXXGFlags.SLAVE_ONLINE =1;
 778   3      			return;
 779   3      			
 780   3      			}	
 781   2      	}
 782   1      	return;
 783   1      	
 784   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =   1825    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   4096    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     20      20
   IDATA SIZE       =     47       8
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  1 WARNING(S),  0 ERROR(S)

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