#include <bits/wordsize.h>
#include "usb-driver.h"
#include "config.h"
+#include "xpcu.h"
static int (*ioctl_func) (int, int, void *) = NULL;
static int windrvrfd = -1;
static unsigned long ppbase = 0;
static unsigned long ecpbase = 0;
static struct parport_config *pport = NULL;
+static struct xpcu_s *xpcu = NULL;
static FILE *modulesfp = NULL;
static FILE *baseaddrfp = NULL;
static int baseaddrnum = 0;
static int modules_read = 0;
-static struct usb_bus *busses = NULL;
-static struct usb_device *usbdevice;
-static usb_dev_handle *usb_devhandle = NULL;
-static int usbinterface = -1;
-static int usbalternate = -1;
static unsigned long card_type;
static int ints_enabled = 0;
static pthread_mutex_t int_wait = PTHREAD_MUTEX_INITIALIZER;
fprintf(stderr,"\n");
}
-static int usb_deviceinfo(unsigned char *buf) {
- int i,j,k,l;
- int len = 0;
- WDU_CONFIGURATION **pConfigs, **pActiveConfig;
- WDU_INTERFACE **pActiveInterface;
-
- if (buf) {
- struct usb_device_info *udi = (struct usb_device_info*)(buf+len);
-
- udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
- udi->Descriptor.bDescriptorType = usbdevice->descriptor.bDescriptorType;
- udi->Descriptor.bcdUSB = usbdevice->descriptor.bcdUSB;
- udi->Descriptor.bDeviceClass = usbdevice->descriptor.bDeviceClass;
- udi->Descriptor.bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass;
- udi->Descriptor.bDeviceProtocol = usbdevice->descriptor.bDeviceProtocol;
- udi->Descriptor.bMaxPacketSize0 = usbdevice->descriptor.bMaxPacketSize0;
- udi->Descriptor.idVendor = usbdevice->descriptor.idVendor;
- udi->Descriptor.idProduct = usbdevice->descriptor.idProduct;
- udi->Descriptor.bcdDevice = usbdevice->descriptor.bcdDevice;
- udi->Descriptor.iManufacturer = usbdevice->descriptor.iManufacturer;
- udi->Descriptor.iProduct = usbdevice->descriptor.iProduct;
- udi->Descriptor.iSerialNumber = usbdevice->descriptor.iSerialNumber;
- udi->Descriptor.bNumConfigurations = usbdevice->descriptor.bNumConfigurations;
-
- /* TODO: Fix Pipe0! */
- udi->Pipe0.dwNumber = 0x00;
- udi->Pipe0.dwMaximumPacketSize = usbdevice->descriptor.bMaxPacketSize0;
- udi->Pipe0.type = 0;
- udi->Pipe0.direction = WDU_DIR_IN_OUT;
- udi->Pipe0.dwInterval = 0;
-
- pConfigs = &(udi->pConfigs);
- pActiveConfig = &(udi->pActiveConfig);
- pActiveInterface = &(udi->pActiveInterface[0]);
- }
-
- len = sizeof(struct usb_device_info);
-
- for (i=0; i<usbdevice->descriptor.bNumConfigurations; i++)
- {
- struct usb_config_descriptor *conf_desc = &usbdevice->config[i];
- WDU_INTERFACE **pInterfaces;
- WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces];
- WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces];
-
- if (buf) {
- WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len);
-
- *pConfigs = cfg;
- *pActiveConfig = cfg;
-
- cfg->Descriptor.bLength = conf_desc->bLength;
- cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType;
- cfg->Descriptor.wTotalLength = conf_desc->wTotalLength;
- cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces;
- cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue;
- cfg->Descriptor.iConfiguration = conf_desc->iConfiguration;
- cfg->Descriptor.bmAttributes = conf_desc->bmAttributes;
- cfg->Descriptor.MaxPower = conf_desc->MaxPower;
-
- cfg->dwNumInterfaces = conf_desc->bNumInterfaces;
-
- pInterfaces = &(cfg->pInterfaces);
- }
- len += sizeof(WDU_CONFIGURATION);
-
- if (buf) {
- *pInterfaces = (WDU_INTERFACE*)(buf+len);
- for (j=0; j<conf_desc->bNumInterfaces; j++) {
- WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len);
-
- pActiveInterface[j] = iface;
-
- pAlternateSettings[j] = &(iface->pAlternateSettings);
- iface->dwNumAltSettings = usbdevice->config[i].interface[j].num_altsetting;
- pActiveAltSetting[j] = &(iface->pActiveAltSetting);
-
- len += sizeof(WDU_INTERFACE);
- }
- } else {
- len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces;
- }
-
- for (j=0; j<conf_desc->bNumInterfaces; j++)
- {
- struct usb_interface *interface = &usbdevice->config[i].interface[j];
-
- if (buf) {
- *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
- /* FIXME: */
- *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
- }
-
- for(k=0; k<interface->num_altsetting; k++)
- {
- unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints;
- WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors;
- WDU_PIPE_INFO **pPipes;
-
- if (buf) {
- WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len);
-
- altset->Descriptor.bLength = interface->altsetting[k].bLength;
- altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType;
- altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber;
- altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting;
- altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints;
- altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass;
- altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass;
- altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol;
- altset->Descriptor.iInterface = interface->altsetting[k].iInterface;
- pEndpointDescriptors = &(altset->pEndpointDescriptors);
- pPipes = &(altset->pPipes);
-
- }
- len +=sizeof(WDU_ALTERNATE_SETTING);
-
- if (buf) {
- *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
- for (l = 0; l < bNumEndpoints; l++) {
- WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
-
- ed->bLength = interface->altsetting[k].endpoint[l].bLength;
- ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType;
- ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress;
- ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes;
- ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize;
- ed->bInterval = interface->altsetting[k].endpoint[l].bInterval;
-
- len += sizeof(WDU_ENDPOINT_DESCRIPTOR);
- }
-
- *pPipes = (WDU_PIPE_INFO*)(buf+len);
- for (l = 0; l < bNumEndpoints; l++) {
- WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len);
-
- pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress;
- pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize);
- pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK;
- if (pi->type == PIPE_TYPE_CONTROL)
- pi->direction = WDU_DIR_IN_OUT;
- else
- {
- pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT;
- }
-
- pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval;
-
- len += sizeof(WDU_PIPE_INFO);
- }
- } else {
- len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints;
- }
- }
- }
- }
-
- return len;
-}
-
-static int usb_claim(int claim) {
- int ret = 0;
- static int claimed = 0;
-
- if (usbinterface < 0)
- return -1;
-
- if (claim) {
- if (claimed)
- return 0;
-
- ret = usb_claim_interface(usb_devhandle, usbinterface);
- if (!ret) {
- claimed = 1;
- ret = usb_set_altinterface(usb_devhandle, usbalternate);
- if (ret)
- fprintf(stderr, "usb_set_altinterface: %d\n", ret);
- } else {
- fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
- usbinterface, ret, usb_strerror());
- }
- } else {
- if (!claimed)
- return 0;
-
- ret = usb_release_interface(usb_devhandle, usbinterface);
- if (!ret)
- claimed = 0;
- }
-
- return ret;
-}
static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) {
struct header_struct* wdheader = (struct header_struct*)wdioctl;
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- usb_claim(1);
+ xpcu_claim(xpcu, XPCU_CLAIM);
/* http://www.jungo.com/support/documentation/windriver/802/wdusb_man_mhtml/node55.html#SECTION001213000000000000000 */
if (ut->dwPipeNum == 0) { /* control pipe */
int requesttype, request, value, index, size;
index = ut->SetupPacket[4] | (ut->SetupPacket[5] << 8);
size = ut->SetupPacket[6] | (ut->SetupPacket[7] << 8);
DPRINTF("requesttype: %x, request: %x, value: %u, index: %u, size: %u\n", requesttype, request, value, index, size);
- ret = usb_control_msg(usb_devhandle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
+ ret = usb_control_msg(xpcu->handle, requesttype, request, value, index, ut->pBuffer, size, ut->dwTimeout);
} else {
if (ut->fRead) {
- ret = usb_bulk_read(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
+ ret = usb_bulk_read(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
} else {
- ret = usb_bulk_write(usb_devhandle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
+ ret = usb_bulk_write(xpcu->handle, ut->dwPipeNum, ut->pBuffer, ut->dwBufferSize, ut->dwTimeout);
}
- usb_claim(0);
+ xpcu_claim(xpcu, XPCU_RELEASE);
}
if (ret < 0) {
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- if (usbdevice) {
- if (!usb_devhandle) {
- usb_devhandle = usb_open(usbdevice);
+ if (xpcu->dev) {
+ if (!xpcu->handle) {
+ xpcu->handle = usb_open(xpcu->dev);
#ifndef NO_USB_RESET
- if (usb_devhandle) {
- usb_reset(usb_devhandle);
- usb_devhandle = usb_open(usbdevice);
+ if (xpcu->handle) {
+ usb_reset(xpcu->handle);
+ xpcu->handle = usb_open(xpcu->dev);
}
#endif
}
- usbinterface = usbdevice->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
- usbalternate = usi->dwAlternateSetting;
+ xpcu->interface = xpcu->dev->config[0].interface[usi->dwInterfaceNum].altsetting[usi->dwAlternateSetting].bInterfaceNumber;
+ xpcu->alternate = usi->dwAlternateSetting;
}
#endif
DPRINTF("unique: %lu, interfacenum: %lu, alternatesetting: %lu, options: %lx\n",
pSize = ugdd->dwBytes;
if (!ugdd->dwBytes) {
- if (usbdevice) {
- ugdd->dwBytes = usb_deviceinfo(NULL);
+ if (xpcu->dev) {
+ ugdd->dwBytes = xpcu_deviceinfo(xpcu, NULL);
}
} else {
- usb_deviceinfo((unsigned char*)ugdd->pBuf);
+ xpcu_deviceinfo(xpcu, (unsigned char*)ugdd->pBuf);
}
}
break;
e->matchTables[i].bInterfaceSubClass,
e->matchTables[i].bInterfaceProtocol);
- for (bus = busses; bus; bus = bus->next) {
+ for (bus = xpcu->busses; bus; bus = bus->next) {
struct usb_device *dev;
if ((devnum != -1) && (strtol(bus->dirname, NULL, 10) != busnum))
(interface->altsetting[ai].bInterfaceProtocol == e->matchTables[i].bInterfaceProtocol)){
/* TODO: check interfaceClass! */
DPRINTF("found device with libusb\n");
- usbdevice = dev;
+ xpcu->dev = dev;
card_type = e->dwCardType;
}
}
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- if (usbdevice) {
+ if (xpcu->dev) {
if (it->dwCounter == 0) {
it->dwCounter = 1;
} else {
#ifndef NO_WINDRVR
ret = (*ioctl_func) (fd, request, wdioctl);
#else
- if (usbdevice) {
- struct usb_interface *interface = usbdevice->config->interface;
+ if (xpcu->dev) {
+ struct usb_interface *interface = xpcu->dev->config->interface;
e->dwCardType = card_type;
e->dwAction = 1;
e->dwEventId = 109;
e->u.Usb.dwUniqueID = 110;
- e->matchTables[0].VendorId = usbdevice->descriptor.idVendor;
- e->matchTables[0].ProductId = usbdevice->descriptor.idProduct;
- e->matchTables[0].bDeviceClass = usbdevice->descriptor.bDeviceClass;
- e->matchTables[0].bDeviceSubClass = usbdevice->descriptor.bDeviceSubClass;
+ e->matchTables[0].VendorId = xpcu->dev->descriptor.idVendor;
+ e->matchTables[0].ProductId = xpcu->dev->descriptor.idProduct;
+ e->matchTables[0].bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
+ e->matchTables[0].bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
e->matchTables[0].bInterfaceClass = interface->altsetting[0].bInterfaceClass;
e->matchTables[0].bInterfaceSubClass = interface->altsetting[0].bInterfaceSubClass;
e->matchTables[0].bInterfaceProtocol = interface->altsetting[0].bInterfaceProtocol;
#else
windrvrfd = fd = (*func) (pathname, flags, mode);
#endif
- if (!busses) {
- usb_init();
- usb_find_busses();
- usb_find_devices();
-
- busses = usb_get_busses();
- }
+ if (!xpcu)
+ xpcu = xpcu_open();
return fd;
}
if (fd == windrvrfd && windrvrfd >= 0) {
DPRINTF("close windrvrfd\n");
- if (usb_devhandle) {
- usb_claim(0);
- usb_close(usb_devhandle);
+ if (xpcu->handle) {
+ xpcu_claim(xpcu, XPCU_RELEASE);
+ usb_close(xpcu->handle);
}
- usb_devhandle = NULL;
- usbinterface = -1;
+ xpcu->handle = NULL;
+ xpcu->interface = -1;
+ xpcu = NULL;
windrvrfd = -1;
}
--- /dev/null
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <strings.h>
+#include <usb.h>
+#include "xpcu.h"
+#include "usb-driver.h"
+
+int xpcu_deviceinfo(struct xpcu_s *xpcu, unsigned char *buf) {
+ int i,j,k,l;
+ int len = 0;
+ WDU_CONFIGURATION **pConfigs, **pActiveConfig;
+ WDU_INTERFACE **pActiveInterface;
+
+ if (buf) {
+ struct usb_device_info *udi = (struct usb_device_info*)(buf+len);
+
+ udi->Descriptor.bLength = sizeof(WDU_DEVICE_DESCRIPTOR);
+ udi->Descriptor.bDescriptorType = xpcu->dev->descriptor.bDescriptorType;
+ udi->Descriptor.bcdUSB = xpcu->dev->descriptor.bcdUSB;
+ udi->Descriptor.bDeviceClass = xpcu->dev->descriptor.bDeviceClass;
+ udi->Descriptor.bDeviceSubClass = xpcu->dev->descriptor.bDeviceSubClass;
+ udi->Descriptor.bDeviceProtocol = xpcu->dev->descriptor.bDeviceProtocol;
+ udi->Descriptor.bMaxPacketSize0 = xpcu->dev->descriptor.bMaxPacketSize0;
+ udi->Descriptor.idVendor = xpcu->dev->descriptor.idVendor;
+ udi->Descriptor.idProduct = xpcu->dev->descriptor.idProduct;
+ udi->Descriptor.bcdDevice = xpcu->dev->descriptor.bcdDevice;
+ udi->Descriptor.iManufacturer = xpcu->dev->descriptor.iManufacturer;
+ udi->Descriptor.iProduct = xpcu->dev->descriptor.iProduct;
+ udi->Descriptor.iSerialNumber = xpcu->dev->descriptor.iSerialNumber;
+ udi->Descriptor.bNumConfigurations = xpcu->dev->descriptor.bNumConfigurations;
+
+ /* TODO: Fix Pipe0! */
+ udi->Pipe0.dwNumber = 0x00;
+ udi->Pipe0.dwMaximumPacketSize = xpcu->dev->descriptor.bMaxPacketSize0;
+ udi->Pipe0.type = 0;
+ udi->Pipe0.direction = WDU_DIR_IN_OUT;
+ udi->Pipe0.dwInterval = 0;
+
+ pConfigs = &(udi->pConfigs);
+ pActiveConfig = &(udi->pActiveConfig);
+ pActiveInterface = &(udi->pActiveInterface[0]);
+ }
+
+ len = sizeof(struct usb_device_info);
+
+ for (i=0; i<xpcu->dev->descriptor.bNumConfigurations; i++)
+ {
+ struct usb_config_descriptor *conf_desc = &xpcu->dev->config[i];
+ WDU_INTERFACE **pInterfaces;
+ WDU_ALTERNATE_SETTING **pAlternateSettings[conf_desc->bNumInterfaces];
+ WDU_ALTERNATE_SETTING **pActiveAltSetting[conf_desc->bNumInterfaces];
+
+ if (buf) {
+ WDU_CONFIGURATION *cfg = (WDU_CONFIGURATION*)(buf+len);
+
+ *pConfigs = cfg;
+ *pActiveConfig = cfg;
+
+ cfg->Descriptor.bLength = conf_desc->bLength;
+ cfg->Descriptor.bDescriptorType = conf_desc->bDescriptorType;
+ cfg->Descriptor.wTotalLength = conf_desc->wTotalLength;
+ cfg->Descriptor.bNumInterfaces = conf_desc->bNumInterfaces;
+ cfg->Descriptor.bConfigurationValue = conf_desc->bConfigurationValue;
+ cfg->Descriptor.iConfiguration = conf_desc->iConfiguration;
+ cfg->Descriptor.bmAttributes = conf_desc->bmAttributes;
+ cfg->Descriptor.MaxPower = conf_desc->MaxPower;
+
+ cfg->dwNumInterfaces = conf_desc->bNumInterfaces;
+
+ pInterfaces = &(cfg->pInterfaces);
+ }
+ len += sizeof(WDU_CONFIGURATION);
+
+ if (buf) {
+ *pInterfaces = (WDU_INTERFACE*)(buf+len);
+ for (j=0; j<conf_desc->bNumInterfaces; j++) {
+ WDU_INTERFACE *iface = (WDU_INTERFACE*)(buf+len);
+
+ pActiveInterface[j] = iface;
+
+ pAlternateSettings[j] = &(iface->pAlternateSettings);
+ iface->dwNumAltSettings = xpcu->dev->config[i].interface[j].num_altsetting;
+ pActiveAltSetting[j] = &(iface->pActiveAltSetting);
+
+ len += sizeof(WDU_INTERFACE);
+ }
+ } else {
+ len += sizeof(WDU_INTERFACE) * conf_desc->bNumInterfaces;
+ }
+
+ for (j=0; j<conf_desc->bNumInterfaces; j++)
+ {
+ struct usb_interface *interface = &xpcu->dev->config[i].interface[j];
+
+ if (buf) {
+ *pAlternateSettings[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
+ /* FIXME: */
+ *pActiveAltSetting[j] = (WDU_ALTERNATE_SETTING*)(buf+len);
+ }
+
+ for(k=0; k<interface->num_altsetting; k++)
+ {
+ unsigned char bNumEndpoints = interface->altsetting[k].bNumEndpoints;
+ WDU_ENDPOINT_DESCRIPTOR **pEndpointDescriptors;
+ WDU_PIPE_INFO **pPipes;
+
+ if (buf) {
+ WDU_ALTERNATE_SETTING *altset = (WDU_ALTERNATE_SETTING*)(buf+len);
+
+ altset->Descriptor.bLength = interface->altsetting[k].bLength;
+ altset->Descriptor.bDescriptorType = interface->altsetting[k].bDescriptorType;
+ altset->Descriptor.bInterfaceNumber = interface->altsetting[k].bInterfaceNumber;
+ altset->Descriptor.bAlternateSetting = interface->altsetting[k].bAlternateSetting;
+ altset->Descriptor.bNumEndpoints = interface->altsetting[k].bNumEndpoints;
+ altset->Descriptor.bInterfaceClass = interface->altsetting[k].bInterfaceClass;
+ altset->Descriptor.bInterfaceSubClass = interface->altsetting[k].bInterfaceSubClass;
+ altset->Descriptor.bInterfaceProtocol = interface->altsetting[k].bInterfaceProtocol;
+ altset->Descriptor.iInterface = interface->altsetting[k].iInterface;
+ pEndpointDescriptors = &(altset->pEndpointDescriptors);
+ pPipes = &(altset->pPipes);
+
+ }
+ len +=sizeof(WDU_ALTERNATE_SETTING);
+
+ if (buf) {
+ *pEndpointDescriptors = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
+ for (l = 0; l < bNumEndpoints; l++) {
+ WDU_ENDPOINT_DESCRIPTOR *ed = (WDU_ENDPOINT_DESCRIPTOR*)(buf+len);
+
+ ed->bLength = interface->altsetting[k].endpoint[l].bLength;
+ ed->bDescriptorType = interface->altsetting[k].endpoint[l].bDescriptorType;
+ ed->bEndpointAddress = interface->altsetting[k].endpoint[l].bEndpointAddress;
+ ed->bmAttributes = interface->altsetting[k].endpoint[l].bmAttributes;
+ ed->wMaxPacketSize = interface->altsetting[k].endpoint[l].wMaxPacketSize;
+ ed->bInterval = interface->altsetting[k].endpoint[l].bInterval;
+
+ len += sizeof(WDU_ENDPOINT_DESCRIPTOR);
+ }
+
+ *pPipes = (WDU_PIPE_INFO*)(buf+len);
+ for (l = 0; l < bNumEndpoints; l++) {
+ WDU_PIPE_INFO *pi = (WDU_PIPE_INFO*)(buf+len);
+
+ pi->dwNumber = interface->altsetting[k].endpoint[l].bEndpointAddress;
+ pi->dwMaximumPacketSize = WDU_GET_MAX_PACKET_SIZE(interface->altsetting[k].endpoint[l].wMaxPacketSize);
+ pi->type = interface->altsetting[k].endpoint[l].bmAttributes & USB_ENDPOINT_TYPE_MASK;
+ if (pi->type == PIPE_TYPE_CONTROL)
+ pi->direction = WDU_DIR_IN_OUT;
+ else
+ {
+ pi->direction = interface->altsetting[k].endpoint[l].bEndpointAddress & USB_ENDPOINT_DIR_MASK ? WDU_DIR_IN : WDU_DIR_OUT;
+ }
+
+ pi->dwInterval = interface->altsetting[k].endpoint[l].bInterval;
+
+ len += sizeof(WDU_PIPE_INFO);
+ }
+ } else {
+ len +=(sizeof(WDU_ENDPOINT_DESCRIPTOR)+sizeof(WDU_PIPE_INFO))*bNumEndpoints;
+ }
+ }
+ }
+ }
+
+ return len;
+}
+
+int xpcu_claim(struct xpcu_s *xpcu, int claim) {
+ int ret = 0;
+ static int claimed = 0;
+
+ if (xpcu->interface < 0)
+ return -1;
+
+ if (claim == XPCU_CLAIM) {
+ if (claimed)
+ return 0;
+
+ ret = usb_claim_interface(xpcu->handle, xpcu->interface);
+ if (!ret) {
+ claimed = 1;
+ ret = usb_set_altinterface(xpcu->handle, xpcu->alternate);
+ if (ret)
+ fprintf(stderr, "usb_set_altinterface: %d\n", ret);
+ } else {
+ fprintf(stderr, "usb_claim_interface: %d -> %d (%s)\n",
+ xpcu->interface, ret, usb_strerror());
+ }
+ } else {
+ if (!claimed)
+ return 0;
+
+ ret = usb_release_interface(xpcu->handle, xpcu->interface);
+ if (!ret)
+ claimed = 0;
+ }
+
+ return ret;
+}
+
+struct xpcu_s *xpcu_open(void) {
+ static struct xpcu_s xpcu;
+
+ bzero(&xpcu, sizeof(xpcu));
+ xpcu.interface = -1;
+ xpcu.alternate = -1;
+
+ usb_init();
+ usb_find_busses();
+ usb_find_devices();
+
+ xpcu.busses = usb_get_busses();
+
+ return &xpcu;
+}