host_811.h

利用ARM 微处理器技术和USB HOST进行读写U盘的开发代码

#define ReadMask        0xd7   /* Read mask interrupt   for IntStatus */

//Interrupt Status Mask
#define USB_A_DONE		0x01
#define USB_B_DONE		0x02
#define BABBLE_DETECT	0x04
#define INT_RESERVE		0x08
#define SOF_TIMER		0x10
#define INSERT_REMOVE	0x20
#define USB_RESET		0x40
#define USB_DPLUS		0x80
#define INT_CLEAR		0xFF

//EP0 Status Mask
#define EP0_ACK			0x01	// EPxStatus bits mask during a read
#define EP0_ERROR		0x02
#define EP0_TIMEOUT		0x04
#define EP0_SEQUENCE	0x08
#define EP0_SETUP		0x10
#define EP0_OVERFLOW	0x20
#define EP0_NAK			0x40
#define EP0_STALL		0x80

/*-------------------------------------------------------------------------
 * Standard Chapter 9 definition
 *-------------------------------------------------------------------------
 */
#define GET_STATUS      0x00																  
#define CLEAR_FEATURE   0x01
#define SET_FEATURE     0x03
#define SET_ADDRESS     0x05
#define GET_DESCRIPTOR  0x06
#define SET_DESCRIPTOR  0x07
#define GET_CONFIG      0x08
#define SET_CONFIG      0x09
#define GET_INTERFACE   0x0a
#define SET_INTERFACE   0x0b
#define SYNCH_FRAME     0x0c


#define DEVICE          0x01
#define CONFIGURATION   0x02
#define STRING          0x03
#define INTERFACE       0x04
#define ENDPOINT        0x05

#define STDCLASS        0x00
#define HIDCLASS        0x03
#define HUBCLASS	 	0x09      // bDeviceClass, bInterfaceClass

/*-------------------------------------------------------------------------
 * SL11H/SL811H definition
 *-------------------------------------------------------------------------
 */

                           // USB-A, USB-B Host Control Register [00H, 08H]
                           // Pre  Reserved
                           //  DatT Dir [1=Trans, 0=Recv]
                           //   SOF Enable
                           //    ISO  Arm 
#define DATA0_WR   	0x07   // 0000 0111 (      Data0 +       OUT + Enable + Arm)
#define sDATA0_WR  	0x27   // 0010 0111 (      Data0 + SOF + OUT + Enable + Arm)
#define pDATA0_WR   0x87   // 1000 0111 (Pre + Data0 +       OUT + Enable + Arm)
#define psDATA0_WR  0xA7   // 1010 0111 (Pre + Data0 + SOF + OUT + Enable + Arm)

#define DATA0_RD    0x03   // 0000 0011 (      Data0 +       IN +  Enable + Arm)
#define sDATA0_RD   0x23   // 0010 0011 (      Data0 + SOF + IN +  Enable + Arm)
#define pDATA0_RD   0x83   // 1000 0011 (Pre + Data0 +       IN +  Enable + Arm)
#define psDATA0_RD  0xA3   // 1010 0011 (Pre + Data0 + SOF + IN +  Enable + Arm)

#define PID_SETUP   0xD0 
#define PID_IN      0x90
#define PID_OUT     0x10

/*-------------------------------------------------------------------------
 * Class Descriptor for HID (chap.7) : These values from bRequest
 *-------------------------------------------------------------------------
 */
// HID Class-Specific Request
#define GET_REPORT      0x01
#define GET_IDLE        0x02
#define GET_PROTOCOL    0x03
						   // 0x04-0x08 is reserved
#define SET_REPORT      0x09
#define SET_IDLE        0x0A
#define SET_PROTOCOL    0x0B
                        // 0x24-0x2F is reserved
#define HID_DEV         0x21
#define HID_REPORT      0x22
#define HID_PHYSICAL    0x23
                         // 0x24-0x2F is reserved
/*-------------------------------------------------------------------------
 * Report Type 
 *-------------------------------------------------------------------------
 */
#define INPUT         0x01
#define OUPUT         0x02
#define FEATURE       0x03

/*-------------------------------------------------------------------------
 * Protocol Codes in the bInterfaceProtocol
 *-------------------------------------------------------------------------
 */
#define NONE	        0
#define KEYBOARD        1
#define MOUSE	        2
#define OTHER	        3     // 3-255 is reserved

/*-------------------------------------------------------------------------
 * SubClass Codes in the bInterfaceSubClass
 *-------------------------------------------------------------------------
 */
#define sCLASS          1
#define sOTHER          2

/*-------------------------------------------------------------------------
 * HUB CLASS
 *-------------------------------------------------------------------------
 */
//Hub Status & Hub Change bit masks
#define HUB_STATUS_LOCAL_POWER	0x0001
#define HUB_STATUS_OVERCURRENT	0x0002
#define HUB_CHANGE_LOCAL_POWER	0x0001
#define HUB_CHANGE_OVERCURRENT	0x0002


// wPortStatus bits
#define USB_PORT_STAT_CONNECTION    0x0001
#define USB_PORT_STAT_ENABLE        0x0002
#define USB_PORT_STAT_SUSPEND       0x0004
#define USB_PORT_STAT_OVERCURRENT   0x0008
#define USB_PORT_STAT_RESET         0x0010
#define USB_PORT_STAT_POWER         0x0100
#define USB_PORT_STAT_LOW_SPEED     0x0200


// wPortChange bits
#define USB_PORT_STAT_C_CONNECTION  0x0001
#define USB_PORT_STAT_C_ENABLE      0x0002
#define USB_PORT_STAT_C_SUSPEND     0x0004
#define USB_PORT_STAT_C_OVERCURRENT 0x0008
#define USB_PORT_STAT_C_RESET       0x0010

/*-------------------------------------------------------------------------
 * Standard Chapter 11 definition
 *-------------------------------------------------------------------------
 */
#define	USB_HUB_NOT_USED       0
#define	USB_HUB_USED           1
#define	USB_HUB_IN_SHUTDOWN    2

// HUB Class Feature Selector
#define HUB_LOCAL_POWER    0x00
#define HUB_OVER_POWER     0x01

// Port Status Field, wPortStatus
#define PORT_CONNECTION    0x00
#define PORT_ENABLE        0x01
#define PORT_SUSPEND       0x02
#define PORT_OVER_CURRENT  0x03
#define PORT_RESET         0x04
#define PORT_POWER         0x08
#define PORT_LOW_SPEED     0x09

// Port Change Field, wPortChange
#define C_PORT_CONNECTION   0x10
#define C_PORT_ENABLE       0x11
#define C_PORT_SUSPEND      0x12
#define C_PORT_OVER_CURRENT 0x13
#define C_PORT_RESET        0x14


//HUB Characteristic
#define	HUB_GANG_POWER			 0
#define	HUB_INDIVIDUAL_POWER	 1
#define HUB_NO_POWER_SWITCH	 	 2
#define	HUB_POWER_MASK			 3

// HUB Port Status 
#define HUB_STATUS_PORT_CONNECTION	   1
#define HUB_STATUS_PORT_ENABLE     	   2
#define HUB_STATUS_PORT_SUSPEND    	   4
#define HUB_STATUS_PORT_OVER_CURRENT   8
#define HUB_STATUS_PORT_RESET          0x10
#define HUB_STATUS_PORT_POWER     	   0x100
#define HUB_STATUS_PORT_LOW_SPEED  	   0x200

#define HUB_CHANGE_PORT_CONNECTION	   0x010000
#define HUB_CHANGE_PORT_ENABLE     	   0x020000
#define HUB_CHANGE_PORT_SUSPEND    	   0x040000
#define HUB_CHANGE_PORT_OVER_CURRENT   0x080000
#define HUB_CHANGE_PORT_RESET          0x100000

// Other various equivalences
#define	PORT_SPEED_SHIFT         9
#define	HUB_WAIT_PORT_RESET      25
#define RETRY_PORT_RESET        10

// Possiblities Hub Error
#define 	ERROR_HUB_SET_POWER				0x8500

/*-------------------------------------------------------------------------
 * Function Protocol
 *-------------------------------------------------------------------------
 */
void sl811h_init(void);
int slave_detect(void);
int speed_detect(void) ;
BYTE SL811Read(BYTE a);
void SL811Write(BYTE a, BYTE d);
void SL811BufRead(BYTE addr, BYTE *s, BYTE c);
void SL811BufWrite(BYTE addr, BYTE *s, BYTE c);
void USBReset(void);
int usbXfer(BYTE usbaddr, BYTE endpoint, BYTE pid, BYTE iso, WORD wPayload, WORD wLen, BYTE *buffer);
int ep0Xfer(BYTE usbaddr, WORD payload, pSetupPKG setup, BYTE *pData);
int VendorCmd(BYTE usbaddr,BYTE bReq, BYTE bCmd, WORD wValue, WORD wIndex,WORD wLen,BYTE* pData);
int GetHubDesc(BYTE usbaddr,WORD wValue, WORD wLen, BYTE *desc);
int GetDesc(BYTE usbaddr, WORD wValue, 	WORD wIndex, WORD wLen, BYTE *desc);
int GetHid_Desc(BYTE usbaddr,WORD wValue, WORD wLen, BYTE *desc);
int GetStatus(BYTE usbaddr, BYTE *desc);
int SetAddress(WORD addr);
int Set_Configuration(BYTE usbaddr,WORD wVal);
int EnumUsbDev(BYTE DevAddr);
WORD WordSwap(WORD input);
int DataRW(BYTE usbaddr, BYTE epaddr, WORD wPayload, WORD wLen, BYTE *pData);
int HubPortEnum(void);
int PortFeature(BYTE usbaddr, BYTE bReq, WORD wValue, BYTE cPort);
int GetPortStatus(BYTE usbaddr, BYTE cPort, BYTE *desc);
void Clear_ezIN1(void);
void Clear_ezIN3(void);
void Set_ezDEV(BYTE chg);
int Slave_Detach(void);
int SL811MemTest(void);