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📄 usb_device_lib.h

📁 三星ARM9 s3c2410 usb device开发
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#ifndef __USB_DEVICE_LIB_H__
#define __USB_DEVICE_LIB_H__


//*************************************************************************
// USB definitons  [USB device register set]
//*************************************************************************

/* Power Management Register */
#define DISABLE_SUSPEND          0x00   
#define ENABLE_SUSPEND           0x01
#define SUSPEND_MODE		     0x02
#define MCU_RESUME               0x04
#define ISO_UPDATE		         (1<<7)

/* MAXP Register */
#define FIFO_SIZE_0              0x00  /* 0x00 * 8 = 0  */
#define FIFO_SIZE_8              0x01  /* 0x01 * 8 = 8  */
#define FIFO_SIZE_16             0x02  /* 0x02 * 8 = 16 */
#define FIFO_SIZE_32             0x04  /* 0x04 * 8 = 32 */
#define FIFO_SIZE_64             0x08  /* 0x08 * 8 = 64 */

/* ENDPOINT0 CSR (Control Status Register) : Mapped to IN CSR1 */
#define EP0_OUT_PKT_READY        0x01  /* USB sets, MCU clears by setting SERVICED_OUT_PKT_RDY */
#define EP0_IN_PKT_READY         0x02  /* MCU sets, USB clears after sending FIFO */
#define EP0_SENT_STALL           0x04  /* USB sets */       
#define EP0_DATA_END             0x08  /* MCU sets */
#define EP0_SETUP_END            0x10  /* USB sets, MCU clears by setting SERVICED_SETUP_END */
#define EP0_SEND_STALL           0x20  /* MCU sets */
#define EP0_SERVICED_OUT_PKT_RDY 0x40  /* MCU writes 1 to clear OUT_PKT_READY */
#define EP0_SERVICED_SETUP_END   0x80  /* MCU writes 1 to clear SETUP_END        */

#define EP0_WR_BITS              0xc0  

//EP_INT_REG / EP_INT_EN_REG
#define EP0_INT                	 0x01  // Endpoint 0, Control   
#define EP1_INT                  0x02  // Endpoint 1, (Bulk-In) 
#define EP2_INT                  0x04  // Endpoint 2 
#define EP3_INT			 		 0x08  // Endpoint 3, (Bulk-Out)   
#define EP4_INT			 		 0x10  // Endpoint 4

//USB_INT_REG / USB_INT_EN_REG
#define SUSPEND_INT            	 0x01  
#define RESUME_INT               0x02  
#define RESET_INT                0x04  

//IN_CSR1
#define EPI_IN_PKT_READY         0x01  
#define EPI_UNDER_RUN		 	 0x04
#define EPI_FIFO_FLUSH		 	 0x08
#define EPI_SEND_STALL           0x10  
#define EPI_SENT_STALL           0x20  
#define EPI_CDT			 		 0x40	
#define EPI_WR_BITS              (EPI_FIFO_FLUSH|EPI_IN_PKT_READY|EPI_CDT) 
					//(EPI_FIFO_FLUSH) is preferred  (???)
//IN_CSR2
#define EPI_IN_DMA_INT_MASK		(1<<4)
#define EPI_MODE_IN				(1<<5)
#define EPI_MODE_OUT			(0<<5)
#define EPI_ISO					(1<<6)
#define EPI_BULK				(0<<6)
#define EPI_AUTO_SET			(1<<7)

//OUT_CSR1
#define EPO_OUT_PKT_READY       0x01  
#define EPO_OVER_RUN		 	0x04  
#define EPO_DATA_ERROR			0x08  
#define EPO_FIFO_FLUSH		 	0x10
#define EPO_SEND_STALL          0x20  
#define EPO_SENT_STALL          0x40
#define EPO_CDT			 		0x80	
#define EPO_WR_BITS             (EPO_FIFO_FLUSH|EPO_SEND_STALL|EPO_CDT)
					//(EPO_FIFO_FLUSH) is preferred (???)

//OUT_CSR2
#define EPO_OUT_DMA_INT_MASK	(1<<5)
#define EPO_ISO		 			(1<<6)
#define EPO_BULK	 			(0<<6)
#define EPO_AUTO_CLR			(1<<7)

//USB DMA control register
#define UDMA_IN_RUN_OB		(1<<7)
#define UDMA_IGNORE_TTC		(1<<7)
#define UDMA_DEMAND_MODE	(1<<3)
#define UDMA_OUT_RUN_OB		(1<<2)
#define UDMA_OUT_DMA_RUN	(1<<2)
#define UDMA_IN_DMA_RUN		(1<<1)
#define UDMA_DMA_MODE_EN	(1<<0)

#define rEP1_DMA_TTC	(rEP1_DMA_TTC_L+(rEP1_DMA_TTC_M<<8)+(rEP1_DMA_TTC_H<<16))
#define rEP2_DMA_TTC	(rEP2_DMA_TTC_L+(rEP2_DMA_TTC_M<<8)+(rEP2_DMA_TTC_H<<16))
#define rEP3_DMA_TTC	(rEP3_DMA_TTC_L+(rEP3_DMA_TTC_M<<8)+(rEP3_DMA_TTC_H<<16))
#define rEP4_DMA_TTC	(rEP4_DMA_TTC_L+(rEP4_DMA_TTC_M<<8)+(rEP4_DMA_TTC_H<<16))

#define ADDR_EP0_FIFO 		(0x520001c0) //Endpoint 0 FIFO
#define ADDR_EP1_FIFO		(0x520001c4) //Endpoint 1 FIFO
#define ADDR_EP2_FIFO		(0x520001c8) //Endpoint 2 FIFO
#define ADDR_EP3_FIFO		(0x520001cc) //Endpoint 3 FIFO
#define ADDR_EP4_FIFO		(0x520001d0) //Endpoint 4 FIFO

//If you chane the packet size, the source code should be changed!!!
#define EP0_PKT_SIZE             8	
#define EP1_PKT_SIZE             BULK_PKT_SIZE
#define EP3_PKT_SIZE             BULK_PKT_SIZE



#define PWR_REG_DEFAULT_VALUE    (DISABLE_SUSPEND)




//====================================================================================



//************************
//       Endpoint 0      
//************************


//=======================[bmRequestTyje]=============================
// Standard bmRequestTyje (Direction) 
#define HOST_TO_DEVICE              (0x00)
#define DEVICE_TO_HOST              (0x80)    

// Standard bmRequestType (Type) 
#define STANDARD_TYPE               (0x00)
#define CLASS_TYPE                  (0x20)
#define VENDOR_TYPE                 (0x40) //
#define RESERVED_TYPE               (0x60) //11

// Standard bmRequestType (Recipient) 
#define DEVICE_RECIPIENT            (0)
#define INTERFACE_RECIPIENT         (1)
#define ENDPOINT_RECIPIENT          (2)
#define OTHER_RECIPIENT             (3)




//==============================[bRequest]=============================
// Standard Request Codes  
#define GET_STATUS                  (0)
#define CLEAR_FEATURE               (1)
#define SET_FEATURE                 (3)
#define SET_ADDRESS                 (5)
#define GET_DESCRIPTOR              (6)
#define SET_DESCRIPTOR              (7)
#define GET_CONFIGURATION           (8)
#define SET_CONFIGURATION           (9)
#define GET_INTERFACE               (10)
#define SET_INTERFACE               (11)
#define SYNCH_FRAME                 (12)
/* class specific Request codes from section 7.2 Class Specific R ests */
#define HID_GET_REPORT                  (0x01)
#define HID_GET_IDLE                    (0x02)
#define HID_GET_PROTOCOL                (0x03)
#define HID_SET_REPORT                  (0x09)
#define HID_SET_IDLE                    (0x0A)
#define HID_SET_PROTOCOL                (0x0B)





// Descriptor Types[wValue 高字节 ]
#define DEVICE_TYPE                 (1)
#define CONFIGURATION_TYPE          (2)
#define STRING_TYPE                 (3)
#define INTERFACE_TYPE              (4)
#define ENDPOINT_TYPE               (5)
//HID Descriptor
#define HID_TYPE                    (0x21)
#define REPORT_TYPE                 (0x22)
#define PHYSICAL_TYPE               (0x23)




// Feature Selectors 
#define DEVICE_REMOTE_WAKEUP        (1)
#define EP_STALL                    (0)



// Class-specific Request Codes 
#define GET_DEVICE_ID               (0)
#define GET_PORT_STATUS             (1)
#define SOFT_RESET                  (2)




//configuration descriptor: bmAttributes 
#define CONF_ATTR_DEFAULT	        (0x80) //Spec 1.0 it was BUSPOWERED bit.
#define CONF_ATTR_REMOTE_WAKEUP     (0x20)
#define CONF_ATTR_SELFPOWERED       (0x40)

//endpoint descriptor
#define EP_ADDR_IN		    (0x80)	
#define EP_ADDR_OUT		    (0x00)

#define EP_ATTR_CONTROL		    (0x0)	
#define EP_ATTR_ISOCHRONOUS	    (0x1)
#define EP_ATTR_BULK		    (0x2)
#define EP_ATTR_INTERRUPT	    (0x3)	


//string descriptor
#define LANGID_US_L 		    (0x09)  
#define LANGID_US_H 		    (0x04)


struct USB_SETUP_DATA{
    U8 bmRequestType;    
    U8 bRequest;         
    U8 bValueL;          
    U8 bValueH;          
    U8 bIndexL;          
    U8 bIndexH;          
    U8 bLengthL;         
    U8 bLengthH;         
};


struct USB_DEVICE_DESCRIPTOR{
    U8 bLength;    
    U8 bDescriptorType;         
    U8 bcdUSBL;
    U8 bcdUSBH;
    U8 bDeviceClass;          
    U8 bDeviceSubClass;          
    U8 bDeviceProtocol;          
    U8 bMaxPacketSize0;         
    U8 idVendorL;
    U8 idVendorH;
    U8 idProductL;
    U8 idProductH;
    U8 bcdDeviceL;
    U8 bcdDeviceH;
    U8 iManufacturer;
    U8 iProduct;
    U8 iSerialNumber;
    U8 bNumConfigurations;
};


struct USB_CONFIGURATION_DESCRIPTOR{
    U8 bLength;    
    U8 bDescriptorType;         
    U8 wTotalLengthL;
    U8 wTotalLengthH;
    U8 bNumInterfaces;
    U8 bConfigurationValue;
    U8 iConfiguration;
    U8 bmAttributes;
    U8 maxPower;          
};
    

struct USB_INTERFACE_DESCRIPTOR{
    U8 bLength;    
    U8 bDescriptorType;         
    U8 bInterfaceNumber;
    U8 bAlternateSetting;
    U8 bNumEndpoints;
    U8 bInterfaceClass;
    U8 bInterfaceSubClass;
    U8 bInterfaceProtocol;
    U8 iInterface;
};


struct USB_ENDPOINT_DESCRIPTOR{
    U8 bLength;    
    U8 bDescriptorType;         
    U8 bEndpointAddress;
    U8 bmAttributes;
    U8 wMaxPacketSizeL;
    U8 wMaxPacketSizeH;
    U8 bInterval;
};


//=================[HID]====================================================================

//====Main
#define Input              0x81
#define Ouput              0x91
#define Feature            0xb1
#define Collection     	   0xa1
#define End                0xc0
//====Gloabl
#define Usage_Page         0x05
#define Logical_Min        0x15
#define Logical_Max        0x25
#define Physical_Min       0x35
#define Physical_Max       0x45
#define Exponent           0x55
#define Unit               0x65 //need change
#define Report_Size        0x75
#define Report_ID          0x85
#define Report_Count       0x95
#define Push               0xa5
#define Pop                0xb5
//Local
#define Usage              0x09
#define Usage_Min          0x19
#define Usage_Max          0x29
#define Designator_Index   0x39
#define Designator_Min     0x49
#define Designator_Max     0x59
#define String_Index       0x79
#define String_Min         0x89
#define String_Max         0x99
#define Delimiter          0xa9









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

#define CLR_EP0_OUT_PKT_RDY()       rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)| EP0_SERVICED_OUT_PKT_RDY)         	 
#define CLR_EP0_OUTPKTRDY_DATAEND() rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)|(EP0_SERVICED_OUT_PKT_RDY|EP0_DATA_END)) //	
 					
#define SET_EP0_IN_PKT_RDY() 		rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)|(EP0_IN_PKT_READY))	 
#define SET_EP0_INPKTRDY_DATAEND() 	rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)|(EP0_IN_PKT_READY|EP0_DATA_END)) //DATA ALREADY INTO FIFO 

	 
#define CLR_EP0_SETUP_END() 		rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)|(EP0_SERVICED_SETUP_END))

#define CLR_EP0_SENT_STALL() 		rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)&(~EP0_SENT_STALL))  // WRITE '0' CLEAR

#define FLUSH_EP0_FIFO() 		    {register i;while(rOUT_FIFO_CNT1_REG)i=rEP0_FIFO;}
 
#define CLR_EP0_OUTPKTRDY_SEND_STALL() 		rEP0_CSR=( rEP0_CSR & (~EP0_WR_BITS)|(EP0_SERVICED_OUT_PKT_RDY|EP0_SEND_STALL))

void RdPktEp0(U8 *buf,int num);
void WrPktEp0(U8 *buf,int num);

void WrPktEp1(U8 *buf,int num);
void WrPktEp2(U8 *buf,int num);
void RdPktEp3(U8 *buf,int num);
void RdPktEp4(U8 *buf,int num);

void Print_USB_SETUP_DATA(struct USB_SETUP_DATA descSetup0);
void Ep0_Interrupt_Identify(void);



#endif //__USB_DEVICE_LIB_H__

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