From cbfa0ac6c885015f3ed37ec3931fba812194b0c0 Mon Sep 17 00:00:00 2001 From: Michael Gernoth Date: Fri, 11 Apr 2008 15:08:19 +0200 Subject: [PATCH 1/1] begin separating XPCU functions into own file --- Makefile | 4 +- usb-driver.c | 269 +++++++-------------------------------------------- xpcu.c | 216 +++++++++++++++++++++++++++++++++++++++++ xpcu.h | 14 +++ 4 files changed, 267 insertions(+), 236 deletions(-) create mode 100644 xpcu.c create mode 100644 xpcu.h diff --git a/Makefile b/Makefile index de3216d..baff08d 100644 --- a/Makefile +++ b/Makefile @@ -6,8 +6,8 @@ CFLAGS=-Wall -fPIC -DUSB_DRIVER_VERSION="\"$(shell stat -c '%y' usb-driver.c |cu LIBS=-ldl -lusb -lpthread -SRC=usb-driver.c parport.c config.c jtagmon.c -HEADER=usb-driver.h parport.h jtagkey.h config.h jtagmon.h +SRC=usb-driver.c xpcu.c parport.c config.c jtagmon.c +HEADER=usb-driver.h xpcu.h parport.h jtagkey.h config.h jtagmon.h ifeq ($(LIBVER),32) CFLAGS += -m32 diff --git a/usb-driver.c b/usb-driver.c index 1162d51..647a5bc 100644 --- a/usb-driver.c +++ b/usb-driver.c @@ -43,21 +43,18 @@ #include #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; @@ -75,198 +72,6 @@ void hexdump(unsigned char *buf, int len) { 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; idescriptor.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; jbNumInterfaces; 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; jbNumInterfaces; 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; knum_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; @@ -355,7 +160,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *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; @@ -365,14 +170,14 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { 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) { @@ -449,19 +254,19 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #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", @@ -483,11 +288,11 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { 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; @@ -553,7 +358,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { 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)) @@ -583,7 +388,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { (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; } } @@ -670,7 +475,7 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #ifndef NO_WINDRVR ret = (*ioctl_func) (fd, request, wdioctl); #else - if (usbdevice) { + if (xpcu->dev) { if (it->dwCounter == 0) { it->dwCounter = 1; } else { @@ -742,17 +547,17 @@ static int do_wdioctl(int fd, unsigned int request, unsigned char *wdioctl) { #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; @@ -835,13 +640,8 @@ int open (const char *pathname, int flags, ...) { #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; } @@ -858,13 +658,14 @@ int close(int 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; } diff --git a/xpcu.c b/xpcu.c new file mode 100644 index 0000000..a37826b --- /dev/null +++ b/xpcu.c @@ -0,0 +1,216 @@ +#include +#include +#include +#include +#include +#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; idev->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; jbNumInterfaces; 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; jbNumInterfaces; 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; knum_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; +} diff --git a/xpcu.h b/xpcu.h new file mode 100644 index 0000000..611496c --- /dev/null +++ b/xpcu.h @@ -0,0 +1,14 @@ +#define XPCU_CLAIM 1 +#define XPCU_RELEASE 0 + +struct xpcu_s { + struct usb_device *dev; + usb_dev_handle *handle; + struct usb_bus *busses; + int interface; + int alternate; +}; + +int __attribute__ ((visibility ("hidden"))) xpcu_deviceinfo(struct xpcu_s *xpcu, unsigned char *buf); +int __attribute__ ((visibility ("hidden"))) xpcu_claim(struct xpcu_s *xpcu, int claim); +struct xpcu_s __attribute__ ((visibility ("hidden"))) *xpcu_open(void); -- 2.39.5