/** this file descripe the function and the structures of * usb device function * * by zsw 2008.4.25*/#include "common.h"#include "chap9.h"USB_DEVICE_DESCRIPTOR DeviceDescr =//<<{	18,//sizeof(USB_DEVICE_DESCRIPTOR),	USB_DEVICE_DESCRIPTOR_TYPE,	0x10,//SWAP(0x200),	//Complient to USB2.0 FullSpeed	0x01,	0x00,//bDeviceClass,	0x00,//bDeviceSubClass,	0x00,//bDeviceProtocol,	0x40,//EP0_PACKET_SIZE,	0x71,//SWAP(0x4cc), // Vendor ID for PHILIPS	4,	0x66,//SWAP(0x1a62),// Product ID for ISP 1362	0x6,	0x0,//SWAP(0x0100),// Device Release Number 1.0	1,	0,//STR_INDEX_MANUFACTURER,	0,//STR_INDEX_PRODUCT,	0,//STR_INDEX_SERIALNUMBER,	0x1  };USB_CONFIGURE_DESCRIPTOR configureDescriptor ={	0x09,//sizeof(usb_configure_descriptor)	0x02,//configure descriptor	0x0000 + 9 + 9 + 7*2,// total conf descriptor length	0x01,//num interface	0x01,//conf index	0x00,//index of string descriptor of the conf descriptor	0x80,//	0x32//power 500 mA	};USB_INTERFACE_DESCRIPTOR interfaceDescriptor ={	0x09,//sizeof(usb interface descriptor)	0x04,//interface	0x00,//interface num	0x00,//interface alternate index	0x02,//num endpoints	0x08,//interface class	0x04,//SCSI subclass	0x50,//bulk only	0x00//index of string descriptor};USB_ENDPOINT_DESCRIPTOR endpoint_1_in_descriptor = {	7,												// Size of this descriptor	0x05,			// Endpoint descriptor type	0x81,											// Endpoint address = 1,direction in	0x02,					// Transfer type (BULK)	EP1_PACKET_SIZE,							// Max packet size (64bytes)	0												// Interval};// EPd Endpoint descriputorUSB_ENDPOINT_DESCRIPTOR endpoint_2_out_descriptor = {	7,												// Size of this descriptor	0x05,			// Endpoint descriptor type	0x02,											// Endpoint address = 2,direction out	0x02,					// Transfer type(bulk)	EP1_PACKET_SIZE,							// Max packet size (64bytes)	0												// Interval};int analyseUsbRequest(char* request){#if USB_ENU_DEBUG	printf("request->bRequest : %x\n",request[1]);	printf("request->bRequest origin: %x\n",request[1]);#endif	char data;	data = (char)request[1];	switch( data ){		case 0:			return GET_STATUS;		case 1:			return CLEAR_FEATURE;		case 3:			return SET_FEATURE;		case 5:			return SET_ADDRESS;		case 6:			return GET_DESCRIPTOR;		case 7:			return SET_DESCRIPTOR;		case 8:			return GET_CONFIGURATION;		case 9:			return SET_CONFIGURATION;		case 10:			return GET_INTERFACE;		case 11:			return SET_INTERFACE;		case 12:			return SYNCH_FRAME;		default:			return -1;		}}int analyseUsbClassRequest(char *request){	short data;	data = 0x00ff & request[1];#if USB_ENU_DEBUG	printf("class bRequest:%x\n",data);#endif	switch (data){		case 0x0ff:			return BULK_ONLY_MASS_STORAGE_RESET;		case 0x0fe:			return GET_MAX_LUN;		default:			return -1;		}}int doUsbStandardRequest(usbEnuFsm * usbEnuStatus){	switch(usbEnuStatus->usbRequest){		case GET_DESCRIPTOR:#if USB_ENU_DEBUG			uartPrintf("Get descriptor\n");			printf("Get descriptor\n");#endif			usbGetDescriptor(usbEnuStatus);			usbEnuStatus->fsmStatus = USB_CONTROL_HANDSHAKE;//USB_CONTROL_NONDATA;			break;		case GET_STATUS:#if USB_ENU_DEBUG			uartPrintf("Get status\n");			printf("Get status\n");#endif			usbGetStatus(usbEnuStatus);			usbEnuStatus->fsmStatus = USB_CONTROL_HANDSHAKE;			break;		case SET_ADDRESS:#if USB_ENU_DEBUG			uartPrintf("Set address\n");			printf("Set address\n");#endif			usbSetAddress(usbEnuStatus);			usbEnuStatus->fsmStatus = USB_CONTROL_HANDSHAKE;			break;		case SET_CONFIGURATION:#if USB_ENU_DEBUG			uartPrintf("Set configuration\n");			printf("Set configuration\n");#endif			usbSetConfiguration(usbEnuStatus);			//usbEnuStatus->fsmStatus = USB_CONTROL_SET;			usbEnuStatus->fsmStatus = USB_CONTROL_HANDSHAKE;			break;		case CLEAR_FEATURE:#if USB_ENU_DEBUG			uartPrintf("Clear Feature\n");			printf("Clear Feature\n");#endif				usbClearFeature(usbEnuStatus);            break;				default:			return -1;		}}void usbMassStorageReset(void){	usb_1362_epx_transmit(0,0,0);}void	usbGetMaxLun(void){	char lunNum = 1;	usb_1362_epx_transmit(0,&lunNum,1);}int doUsbClassRequest(usbEnuFsm * usbEnuStatus){	switch(usbEnuStatus->usbClassRequest){		case BULK_ONLY_MASS_STORAGE_RESET:			printf("bulk mass storage RESET!\n");			usbMassStorageReset();			return 1;		case GET_MAX_LUN:			printf("Get Max Lun!\n");				usbGetMaxLun();			return 1;		default:			return 0;		}}int usbClearFeature(usbEnuFsm * usbEnuStatus){	if((usbEnuStatus->rxBuf[4] +usbEnuStatus->rxBuf[5]*64) == 0){		/*Clear Endpoint Feature */		printf("Clear Endpoint Feature\n");		// UNSTALL ENDPOINT		usb_1362_epx_unstall(EP1);		usb_1362_epx_unstall(EP2);			usb_1362_epx_transmit(0,0,0);	}	else		printf("Clear Device Feature\n");		usb_1362_epx_transmit(0,0,0);}int usbGetDescriptor(usbEnuFsm * usbEnuStatus){	static char configurationDes[9+9+7*2];	char index;	index = 0x0ff & (char)((usbEnuStatus->rxBuf)[3]);	switch(index){		case 0x01:			printf("get device descriptor\n");			usb_1362_epx_transmit(0, (char *)&DeviceDescr,sizeof(USB_DEVICE_DESCRIPTOR));			break;		case 0x02:			printf("Get configration descriptor\n");			memcpy(configurationDes,&configureDescriptor,9);			memcpy(configurationDes + 9,&interfaceDescriptor,9);			memcpy(configurationDes + 9 + 9,&endpoint_1_in_descriptor,7);			memcpy(configurationDes + 9 + 9 + 7,&endpoint_2_out_descriptor,7);#if USB_ENU_DEBUG			printf("config descriptor length:%d\n",sizeof(configurationDes));#endif						if((short)*((usbEnuStatus->rxBuf)+6) < sizeof(configurationDes))				usb_1362_epx_transmit(0, (char *)&configurationDes,(short)*((usbEnuStatus->rxBuf)+6));			else				usb_1362_epx_transmit(0, (char *)&configurationDes,sizeof(configurationDes));		default:			break;		}}int usbGetStatus(usbEnuFsm * usbEnuStatus){	char buf[2];	char data;	data = 0x0ff & usbEnuStatus->rxBuf[0];	printf("-----------GetStatus:buf[0] 0x%x\n",data);	if (data & 0x00){		buf[0] = 2;		buf[1] = 0;		}	else if(data & 0x1){		buf[0] = 0;		buf[1] = 0;		}	else if(data & 0x2){		buf[0] = 0;		buf[1] = 0;		}			usb_1362_epx_transmit(0, (char *)buf,2);}int usbSetAddress(usbEnuFsm * usbEnuStatus){	short address;	usbDeviceRequest * request;	request = (usbDeviceRequest *)(usbEnuStatus->rxBuf);	address = request->wValue;	printf("USB Address:%x\n",address);	usb_1362_set_address(address|0x80);	usb_1362_epx_transmit(0, &address,0);		return 1;}int usbSetConfiguration(usbEnuFsm * usbEnuStatus){	short config;	/*usb device configuration*/	usb_1362_device_init();	usleep(100);	usb_1362_epx_transmit(0,&config,0);		return 1;}