FAR void *composite_initialize(void)
{
FAR struct composite_alloc_s *alloc;
FAR struct composite_dev_s *priv;
FAR struct composite_driver_s *drvr;
int ret;
/* Allocate the structures needed */
alloc = (FAR struct composite_alloc_s *)kmm_malloc(sizeof(struct composite_alloc_s));
if (!alloc)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_ALLOCDEVSTRUCT), 0);
return NULL;
}
/* Convenience pointers into the allocated blob */
priv = &alloc->dev;
drvr = &alloc->drvr;
/* Initialize the USB composite driver structure */
memset(priv, 0, sizeof(struct composite_dev_s));
/* Get the constitueat class driver objects */
ret = DEV1_CLASSOBJECT(&priv->dev1);
if (ret < 0)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_CLASSOBJECT), (uint16_t)-ret);
goto errout_with_alloc;
}
ret = DEV2_CLASSOBJECT(&priv->dev2);
if (ret < 0)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_CLASSOBJECT), (uint16_t)-ret);
goto errout_with_alloc;
}
/* Initialize the USB class driver structure */
#ifdef CONFIG_USBDEV_DUALSPEED
drvr->drvr.speed = USB_SPEED_HIGH;
#else
drvr->drvr.speed = USB_SPEED_FULL;
#endif
drvr->drvr.ops = &g_driverops;
drvr->dev = priv;
/* Register the USB composite class driver */
ret = usbdev_register(&drvr->drvr);
if (ret)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_DEVREGISTER), (uint16_t)-ret);
goto errout_with_alloc;
}
return (FAR void *)alloc;
errout_with_alloc:
kmm_free(alloc);
return NULL;
}
int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable)
{
usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
return OK;
}
static int composite_bind(FAR struct usbdevclass_driver_s *driver,
FAR struct usbdev_s *dev)
{
FAR struct composite_dev_s *priv = ((FAR struct composite_driver_s *)driver)->dev;
int ret;
usbtrace(TRACE_CLASSBIND, 0);
/* Bind the structures */
priv->usbdev = dev;
/* Save the reference to our private data structure in EP0 so that it
* can be recovered in ep0 completion events.
*/
dev->ep0->priv = priv;
/* Preallocate one control request */
priv->ctrlreq = composite_allocreq(dev->ep0, COMPOSITE_CFGDESCSIZE);
if (priv->ctrlreq == NULL)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_ALLOCCTRLREQ), 0);
ret = -ENOMEM;
goto errout;
}
/* Initialize the pre-allocated control request */
priv->ctrlreq->callback = composite_ep0incomplete;
/* Then bind each of the constituent class drivers */
ret = CLASS_BIND(priv->dev1, dev);
if (ret < 0)
{
goto errout;
}
ret = CLASS_BIND(priv->dev2, dev);
if (ret < 0)
{
goto errout;
}
/* Report if we are selfpowered */
#ifdef CONFIG_USBDEV_SELFPOWERED
DEV_SETSELFPOWERED(dev);
#endif
/* And pull-up the data line for the soft connect function */
DEV_CONNECT(dev);
return OK;
errout:
composite_unbind(driver, dev);
return ret;
}
static int composite_setup(FAR struct usbdevclass_driver_s *driver,
FAR struct usbdev_s *dev,
FAR const struct usb_ctrlreq_s *ctrl,
FAR uint8_t *dataout, size_t outlen)
{
FAR struct composite_dev_s *priv;
FAR struct usbdev_req_s *ctrlreq;
uint16_t value;
uint16_t index;
uint16_t len;
bool dispatched = false;
int ret = -EOPNOTSUPP;
#ifdef CONFIG_DEBUG
if (!driver || !dev || !dev->ep0 || !ctrl)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_SETUPINVALIDARGS), 0);
return -EIO;
}
#endif
/* Extract a reference to private data */
usbtrace(TRACE_CLASSSETUP, ctrl->req);
priv = ((FAR struct composite_driver_s *)driver)->dev;
#ifdef CONFIG_DEBUG
if (!priv)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_EP0NOTBOUND2), 0);
return -ENODEV;
}
#endif
ctrlreq = priv->ctrlreq;
/* Extract the little-endian 16-bit values to host order */
value = GETUINT16(ctrl->value);
index = GETUINT16(ctrl->index);
len = GETUINT16(ctrl->len);
uvdbg("type=%02x req=%02x value=%04x index=%04x len=%04x\n",
ctrl->type, ctrl->req, value, index, len);
UNUSED(index);
if ((ctrl->type & USB_REQ_TYPE_MASK) == USB_REQ_TYPE_STANDARD)
{
/**********************************************************************
* Standard Requests
**********************************************************************/
switch (ctrl->req)
{
case USB_REQ_GETDESCRIPTOR:
{
/* The value field specifies the descriptor type in the MS byte and the
* descriptor index in the LS byte (order is little endian)
*/
switch (ctrl->value[1])
{
case USB_DESC_TYPE_DEVICE:
{
ret = USB_SIZEOF_DEVDESC;
memcpy(ctrlreq->buf, composite_getdevdesc(), ret);
}
break;
#ifdef CONFIG_USBDEV_DUALSPEED
case USB_DESC_TYPE_DEVICEQUALIFIER:
{
ret = USB_SIZEOF_QUALDESC;
memcpy(ctrlreq->buf, composite_getqualdesc(), ret);
}
break;
case USB_DESC_TYPE_OTHERSPEEDCONFIG:
#endif
case USB_DESC_TYPE_CONFIG:
{
#ifdef CONFIG_USBDEV_DUALSPEED
ret = composite_mkcfgdesc(ctrlreq->buf, dev->speed,
ctrl->value[1]);
#else
ret = composite_mkcfgdesc(ctrlreq->buf);
#endif
}
break;
case USB_DESC_TYPE_STRING:
{
/* value == string index. Zero is the language ID. */
uint8_t strid = ctrl->value[0];
FAR struct usb_strdesc_s *buf = (FAR struct usb_strdesc_s *)ctrlreq->buf;
if (strid <= COMPOSITE_NSTRIDS)
{
ret = composite_mkstrdesc(strid, buf);
}
#if DEV1_NSTRIDS > 0
else if (strid <= DEV1_STRIDBASE + DEV1_NSTRIDS)
{
ret = DEV1_MKSTRDESC(strid, buf);
}
#endif
#if DEV2_NSTRIDS > 0
else if (strid <= DEV2_STRIDBASE + DEV2_NSTRIDS)
{
ret = DEV2_MKSTRDESC(strid, buf);
}
#endif
}
break;
default:
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_GETUNKNOWNDESC), value);
}
break;
}
}
break;
case USB_REQ_SETCONFIGURATION:
{
if (ctrl->type == 0)
{
/* Save the configuration and inform the constituent classes */
ret = CLASS_SETUP(priv->dev1, dev, ctrl, dataout, outlen);
dispatched = true;
if (ret >= 0)
{
ret = CLASS_SETUP(priv->dev2, dev, ctrl, dataout, outlen);
if (ret >= 0)
{
priv->config = value;
}
}
}
}
break;
case USB_REQ_GETCONFIGURATION:
{
if (ctrl->type == USB_DIR_IN)
{
ctrlreq->buf[0] = priv->config;
ret = 1;
}
}
break;
case USB_REQ_SETINTERFACE:
{
if (ctrl->type == USB_REQ_RECIPIENT_INTERFACE &&
priv->config == COMPOSITE_CONFIGID)
{
ret = composite_classsetup(priv, dev, ctrl, dataout, outlen);
dispatched = true;
}
}
break;
case USB_REQ_GETINTERFACE:
{
if (ctrl->type == (USB_DIR_IN | USB_REQ_RECIPIENT_INTERFACE) &&
priv->config == COMPOSITE_CONFIGIDNONE)
{
ret = composite_classsetup(priv, dev, ctrl, dataout, outlen);
dispatched = true;
}
}
break;
default:
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_UNSUPPORTEDSTDREQ), ctrl->req);
break;
}
}
else
{
uint8_t recipient;
/**********************************************************************
* Non-Standard Class Requests
**********************************************************************/
/* Class implementations should handle there own interface and endpoint
* requests.
*/
recipient = ctrl->type & USB_REQ_RECIPIENT_MASK;
if (recipient == USB_REQ_RECIPIENT_INTERFACE || recipient == USB_REQ_RECIPIENT_ENDPOINT)
{
ret = composite_classsetup(priv, dev, ctrl, dataout, outlen);
dispatched = true;
}
}
/* Respond to the setup command if (1) data was returned, and (2) the request was
* NOT successfully dispatched to the component class driver. On an error return
* value (ret < 0), the USB driver will stall EP0.
*/
if (ret >= 0 && !dispatched)
{
/* Setup the request */
ctrlreq->len = MIN(len, ret);
ctrlreq->flags = USBDEV_REQFLAGS_NULLPKT;
/* And submit the request to the USB controller driver */
ret = EP_SUBMIT(dev->ep0, ctrlreq);
if (ret < 0)
{
usbtrace(TRACE_CLSERROR(USBCOMPOSITE_TRACEERR_EPRESPQ), (uint16_t)-ret);
ctrlreq->result = OK;
composite_ep0incomplete(dev->ep0, ctrlreq);
}
}
return ret;
}
int kinetis_usbpullup(FAR struct usbdev_s *dev, bool enable)
{
usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
# warning "Missing logic"
return OK;
}
static int usbclass_bind(struct usbdevclass_driver_s *driver,
struct usbdev_s *dev)
{
struct apbridge_dev_s *priv = ((struct apbridge_driver_s *)driver)->dev;
struct apbridge_req_s *reqcontainer;
int ret;
usbtrace(TRACE_CLASSBIND, 0);
/* Bind the structures */
priv->usbdev = dev;
/* Save the reference to our private data structure in EP0 so that it
* can be recovered in ep0 completion events (Unless we are part of
* a composite device and, in that case, the composite device owns
* EP0).
*/
dev->ep0->priv = priv;
/* Preallocate control request */
priv->ctrlreq = usbclass_allocreq(dev->ep0, APBRIDGE_MXDESCLEN);
if (priv->ctrlreq == NULL) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_ALLOCCTRLREQ), 0);
ret = -ENOMEM;
goto errout;
}
priv->ctrlreq->callback = usbclass_ep0incomplete;
/* Pre-allocate all endpoints... the endpoints will not be functional
* until the SET CONFIGURATION request is processed in usbclass_setconfig.
* This is done here because there may be calls to kmm_malloc and the SET
* CONFIGURATION processing probably occurrs within interrupt handling
* logic where kmm_malloc calls will fail.
*/
/* Pre-allocate the IN interrupt endpoint */
priv->epintin =
DEV_ALLOCEP(dev, APBRIDGE_EPINTIN_ADDR, true, USB_EP_ATTR_XFER_INT);
if (!priv->epintin) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPINTINALLOCFAIL), 0);
ret = -ENODEV;
goto errout;
}
priv->epintin->priv = priv;
/* Pre-allocate the IN bulk endpoint */
priv->epbulkin =
DEV_ALLOCEP(dev, APBRIDGE_EPINBULK_ADDR, true, USB_EP_ATTR_XFER_BULK);
if (!priv->epbulkin) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPBULKINALLOCFAIL), 0);
ret = -ENODEV;
goto errout;
}
priv->epbulkin->priv = priv;
/* Pre-allocate the OUT bulk endpoint */
priv->epbulkout =
DEV_ALLOCEP(dev, APBRIDGE_EPOUTBULK_ADDR, false,
USB_EP_ATTR_XFER_BULK);
if (!priv->epbulkout) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPBULKOUTALLOCFAIL), 0);
ret = -ENODEV;
goto errout;
}
priv->epbulkout->priv = priv;
reqcontainer = &priv->intreq;
reqcontainer->req =
usbclass_allocreq(priv->epintin, APBRIDGE_EPINTIN_MXPACKET);
reqcontainer->req->priv = reqcontainer;
reqcontainer->req->callback = usbclass_intcomplete;
reqcontainer = &priv->rdreq;
reqcontainer->req =
usbclass_allocreq(priv->epbulkout, APBRIDGE_BULK_MXPACKET);
reqcontainer->req->priv = reqcontainer;
reqcontainer->req->callback = usbclass_rdcomplete;
reqcontainer = &priv->wrreq;
reqcontainer->req =
usbclass_allocreq(priv->epbulkin, APBRIDGE_BULK_MXPACKET);
reqcontainer->req->priv = reqcontainer;
reqcontainer->req->callback = usbclass_wrcomplete;
/* Report if we are selfpowered */
#ifdef CONFIG_USBDEV_SELFPOWERED
DEV_SETSELFPOWERED(dev);
#endif
/* And pull-up the data line for the soft connect function */
DEV_CONNECT(dev);
return OK;
errout:
/*
* One endpoint allocation fail.
* Release the endpoints which were allocated.
*/
usbclass_unbind(driver, dev);
return ret;
}
static int usbclass_setconfig(struct apbridge_dev_s *priv, uint8_t config)
{
struct usbdev_req_s *req;
struct usb_epdesc_s epdesc;
uint16_t mxpacket;
// int i;
int ret = 0;
#if CONFIG_DEBUG
if (priv == NULL) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_INVALIDARG), 0);
return -EIO;
}
#endif
if (config == priv->config) {
/* Already configured -- Do nothing */
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_ALREADYCONFIGURED), 0);
return 0;
}
/* Discard the previous configuration data */
usbclass_resetconfig(priv);
/* Was this a request to simply discard the current configuration? */
if (config == APBRIDGE_CONFIGIDNONE) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_CONFIGNONE), 0);
return 0;
}
/* We only accept one configuration */
if (config != APBRIDGE_CONFIGID) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_CONFIGIDBAD), 0);
return -EINVAL;
}
/* Configure the IN interrupt endpoint */
if (priv->usbdev->speed == USB_SPEED_HIGH) {
mxpacket = APBRIDGE_EPINTIN_MXPACKET;
} else {
mxpacket = 64;
}
usbclass_mkepdesc(&g_epintindesc, mxpacket, &epdesc);
ret = EP_CONFIGURE(priv->epintin, &epdesc, false);
if (ret < 0) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPINTINCONFIGFAIL), 0);
goto errout;
}
priv->epintin->priv = priv;
/* Configure the IN bulk endpoint */
if (priv->usbdev->speed == USB_SPEED_HIGH) {
mxpacket = APBRIDGE_BULK_MXPACKET;
} else {
mxpacket = 64;
}
usbclass_mkepdesc(&g_epbulkindesc, mxpacket, &epdesc);
ret = EP_CONFIGURE(priv->epbulkin, &epdesc, false);
if (ret < 0) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPBULKINCONFIGFAIL), 0);
goto errout;
}
priv->epbulkin->priv = priv;
/* Configure the OUT bulk endpoint */
usbclass_mkepdesc(&g_epbulkoutdesc, mxpacket, &epdesc);
ret = EP_CONFIGURE(priv->epbulkout, &epdesc, true);
if (ret < 0) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPBULKOUTCONFIGFAIL), 0);
goto errout;
}
priv->epbulkout->priv = priv;
/* Queue read requests in the bulk OUT endpoint */
req = priv->rdreq.req;
req->callback = usbclass_rdcomplete;
ret = EP_SUBMIT(priv->epbulkout, priv->rdreq.req);
if (ret != OK) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_RDSUBMIT), (uint16_t) - ret);
goto errout;
}
/* We are successfully configured */
priv->config = config;
return OK;
errout:
usbclass_resetconfig(priv);
return ret;
}
static int usbclass_setup(struct usbdevclass_driver_s *driver,
struct usbdev_s *dev,
const struct usb_ctrlreq_s *ctrl,
uint8_t * dataout, size_t outlen)
{
struct apbridge_dev_s *priv;
struct usbdev_req_s *ctrlreq;
uint16_t value;
uint16_t index;
uint16_t len;
int ret = -EOPNOTSUPP;
#ifdef CONFIG_DEBUG
if (!driver || !dev || !dev->ep0 || !ctrl) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_INVALIDARG), 0);
return -EIO;
}
#endif
/* Extract reference to private data */
usbtrace(TRACE_CLASSSETUP, ctrl->req);
priv = ((struct apbridge_driver_s *)driver)->dev;
#ifdef CONFIG_DEBUG
if (!priv || !priv->ctrlreq) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EP0NOTBOUND), 0);
return -ENODEV;
}
#endif
ctrlreq = priv->ctrlreq;
ctrlreq->priv = (void *)USB_REQ;
/* Extract the little-endian 16-bit values to host order */
value = GETUINT16(ctrl->value);
index = GETUINT16(ctrl->index);
len = GETUINT16(ctrl->len);
uvdbg("type=%02x req=%02x value=%04x index=%04x len=%04x\n",
ctrl->type, ctrl->req, value, index, len);
switch (ctrl->type & USB_REQ_TYPE_MASK) {
/***********************************************************************
* Standard Requests
***********************************************************************/
case USB_REQ_TYPE_STANDARD:
{
switch (ctrl->req) {
case USB_REQ_GETDESCRIPTOR:
{
/* The value field specifies the descriptor type in the MS byte and the
* descriptor index in the LS byte (order is little endian)
*/
switch (ctrl->value[1]) {
case USB_DESC_TYPE_DEVICE:
{
ret = USB_SIZEOF_DEVDESC;
memcpy(ctrlreq->buf, &g_devdesc, ret);
}
break;
case USB_DESC_TYPE_DEVICEQUALIFIER:
{
ret = USB_SIZEOF_QUALDESC;
memcpy(ctrlreq->buf, &g_qualdesc, ret);
}
break;
case USB_DESC_TYPE_OTHERSPEEDCONFIG:
case USB_DESC_TYPE_CONFIG:
{
ret =
usbclass_mkcfgdesc(ctrlreq->buf, dev->speed,
ctrl->req);
}
break;
case USB_DESC_TYPE_STRING:
{
/* index == language code. */
ret =
usbclass_mkstrdesc(ctrl->value[0],
(struct usb_strdesc_s *)
ctrlreq->buf);
}
break;
default:
{
usbtrace(TRACE_CLSERROR
(USBSER_TRACEERR_GETUNKNOWNDESC), value);
}
break;
}
}
break;
case USB_REQ_SETCONFIGURATION:
{
if (ctrl->type == 0) {
ret = usbclass_setconfig(priv, value);
}
}
break;
case USB_REQ_GETCONFIGURATION:
{
if (ctrl->type == USB_DIR_IN) {
*(uint8_t *) ctrlreq->buf = priv->config;
ret = 1;
}
}
break;
case USB_REQ_SETINTERFACE:
{
if (ctrl->type == USB_REQ_RECIPIENT_INTERFACE) {
if (priv->config == APBRIDGE_CONFIGID &&
index == APBRIDGE_INTERFACEID &&
value == APBRIDGE_ALTINTERFACEID) {
usbclass_resetconfig(priv);
usbclass_setconfig(priv, priv->config);
ret = 0;
}
}
}
break;
case USB_REQ_GETINTERFACE:
{
if (ctrl->type ==
(USB_DIR_IN | USB_REQ_RECIPIENT_INTERFACE)
&& priv->config == APBRIDGE_CONFIGIDNONE) {
if (index != APBRIDGE_INTERFACEID) {
ret = -EDOM;
} else {
*(uint8_t *) ctrlreq->buf =
APBRIDGE_ALTINTERFACEID;
ret = 1;
}
}
}
break;
default:
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_UNSUPPORTEDSTDREQ),
ctrl->req);
break;
}
}
break;
/* Put here vendor request */
case USB_REQ_TYPE_VENDOR:
{
if ((ctrl->type & USB_REQ_RECIPIENT_MASK) ==
USB_REQ_RECIPIENT_INTERFACE) {
if (ctrl->req == APBRIDGE_RWREQUEST_SVC) {
if ((ctrl->type & USB_DIR_IN) != 0) {
*(uint32_t *) ctrlreq->buf = 0xdeadbeef;
ret = 4;
} else {
ctrlreq->priv = (void *)GREYBUS_SVC_REQ;
ret = len;
}
} else if (ctrl->req == APBRIDGE_RWREQUEST_LOG) {
if ((ctrl->type & USB_DIR_IN) == 0) {
} else {
#if defined(CONFIG_APB_USB_LOG)
ctrlreq->priv = (void *)GREYBUS_LOG;
ret = usb_get_log(ctrlreq->buf, len);
#else
ret = 0;
#endif
}
} else {
usbtrace(TRACE_CLSERROR
(USBSER_TRACEERR_UNSUPPORTEDCLASSREQ),
ctrl->type);
}
}
}
break;
default:
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_UNSUPPORTEDTYPE), ctrl->type);
break;
}
/* Respond to the setup command if data was returned. On an error return
* value (ret < 0), the USB driver will stall.
*/
if (ret >= 0) {
ctrlreq->len = min(len, ret);
ctrlreq->flags = USBDEV_REQFLAGS_NULLPKT;
ret = EP_SUBMIT(dev->ep0, ctrlreq);
if (ret < 0) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EPRESPQ),
(uint16_t) - ret);
ctrlreq->result = OK;
usbclass_ep0incomplete(dev->ep0, ctrlreq);
}
}
return ret;
}
static void usbclass_unbind(struct usbdevclass_driver_s *driver,
struct usbdev_s *dev)
{
struct apbridge_dev_s *priv;
usbtrace(TRACE_CLASSUNBIND, 0);
#ifdef CONFIG_DEBUG
if (!driver || !dev || !dev->ep0) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_INVALIDARG), 0);
return;
}
#endif
/* Extract reference to private data */
priv = ((struct apbridge_driver_s *)driver)->dev;
#ifdef CONFIG_DEBUG
if (!priv) {
usbtrace(TRACE_CLSERROR(USBSER_TRACEERR_EP0NOTBOUND), 0);
return;
}
#endif
/* Make sure that we are not already unbound */
if (priv != NULL) {
/* Make sure that the endpoints have been unconfigured. If
* we were terminated gracefully, then the configuration should
* already have been reset. If not, then calling usbclass_resetconfig
* should cause the endpoints to immediately terminate all
* transfers and return the requests to us (with result == -ESHUTDOWN)
*/
usbclass_resetconfig(priv);
up_mdelay(50);
/* Free the interrupt IN endpoint */
if (priv->epintin) {
DEV_FREEEP(dev, priv->epintin);
priv->epintin = NULL;
}
/* Free the bulk IN endpoint */
if (priv->epbulkin) {
DEV_FREEEP(dev, priv->epbulkin);
priv->epbulkin = NULL;
}
/* Free the pre-allocated control request */
if (priv->ctrlreq != NULL) {
usbclass_freereq(dev->ep0, priv->ctrlreq);
priv->ctrlreq = NULL;
}
/* Free the bulk OUT endpoint */
if (priv->epbulkout) {
DEV_FREEEP(dev, priv->epbulkout);
priv->epbulkout = NULL;
}
}
}