TEST( LipschitzConstant, Assignment )
{
auto L = Spacy::LipschitzConstant{5.};
EXPECT_EQ( L, 5. );
L.setMinFactor( 1e-3 );
L = -1e-3;
EXPECT_EQ( L, 5e-3 );
L.setMaxFactor( 1e6 );
L = 1e4;
EXPECT_EQ( L, 5e3 );
auto eps = 1e-15;
L.set_eps( eps );
L = 0.5 * eps;
EXPECT_EQ( L, eps );
}
/* After driver is bound, send a fake get configuration command to
* gadget driver to get the configuration information */
static int gadget_get_config_desc(struct pxa3xx_comp *dev,
struct usb_gadget *gadget,
struct usb_gadget_driver *driver)
{
struct usb_ctrlrequest req;
struct usb_config_descriptor *config_desc;
struct usb_interface_descriptor *interface_desc;
struct usb_endpoint_descriptor *ep_desc;
unsigned config;
int i;
struct usb_config_descriptor *p_config_desc;
int config_desc_length, ret;
#ifdef CONFIG_USB_COMPOSITE
__u8 num_itfs;
__u8 cur_intf = 0, last_intf = 0;
#endif
DMSG("----------%s------------\n", __FUNCTION__);
req.bRequestType = USB_RECIP_DEVICE | USB_DIR_IN;
req.bRequest = USB_REQ_GET_DESCRIPTOR;
req.wValue = (USB_DT_CONFIG<<8);
req.wIndex = 0;
req.wLength = MAX_CONFIG_LENGTH;
gadget->speed = USB_SPEED_FULL;
dev->ep0state = EP0_IN_FAKE;
i = driver->setup(gadget, &req);
#ifdef CONFIG_USB_PXA3XX_U2D
gadget->speed = USB_SPEED_UNKNOWN;
#endif
#ifndef CONFIG_USB_COMPOSITE
config_desc = (struct usb_config_descriptor *)dev->configs;
#else
config_desc = (struct usb_config_descriptor *)
dev->active_gadget->config_desc;
#endif
p_config_desc = config_desc;
config_desc_length = config_desc->wTotalLength;
if (config_desc->bDescriptorType == USB_DT_CONFIG) {
config = config_desc->bConfigurationValue;
} else {
DMSG("wrong configuration\n");
return -EFAULT;
}
#ifndef CONFIG_USB_COMPOSITE
while (config_desc_length >= 0) {
ret = get_extra_descriptor((char *)p_config_desc,
config_desc_length,
USB_DT_INTERFACE,
(void **) &interface_desc);
if (ret >= 0) {
/* search eps and fill the pxa27x_ep_config struct */
if (interface_desc->bNumEndpoints) {
set_eps(interface_desc->bNumEndpoints,
(struct usb_endpoint_descriptor *)
interface_desc,
config_desc_length, config,
interface_desc->bInterfaceNumber,
interface_desc->bAlternateSetting);
DMSG("config=%d, intf assigned=%d,"
" alt=%d\n", config,
interface_desc->bInterfaceNumber,
interface_desc->bAlternateSetting);
}
} else {
DMSG("interface config not find\n");
return -EFAULT;
}
p_config_desc = (struct usb_config_descriptor *)
((struct usb_interface_descriptor *)
interface_desc + 1);
config_desc_length -= interface_desc->bLength; /* yfw */
}
#else
num_itfs = config_desc->bNumInterfaces;
DMSG("parse the config desc, assigned_intf_start=%d, num of intfs=%d\n",
dev->interface_count, num_itfs);
dev->active_gadget->assigned_intf_start = dev->interface_count;
dev->active_gadget->config = config;
dev->active_gadget->num_intfs = num_itfs;
/* get every interface desc, fill the gadget_driver_info structure */
for (i = 0; i < num_itfs; i++) {
DMSG("\nparse interface %d, p_config_desc=%p,"
" config_desc_length=%d\n", i, p_config_desc,
config_desc_length);
while (config_desc_length >= 0) {
ret = get_extra_descriptor((char *)p_config_desc,
config_desc_length,
USB_DT_INTERFACE,
(void **)&interface_desc);
if (ret >= 0) {
cur_intf = interface_desc->bInterfaceNumber;
config_desc_length -= (u32)interface_desc -
(u32)p_config_desc;
if (cur_intf != last_intf) {
p_config_desc =
(struct usb_config_descriptor *)
interface_desc;
goto next_intf;
}
/* set interface number to assigned one */
interface_desc->bInterfaceNumber = i +
dev->active_gadget->assigned_intf_start;
interface_desc->iInterface = 0;
/* search eps and fill the pxa27x_ep_config*/
ep_desc = (struct usb_endpoint_descriptor *)
interface_desc;
if (interface_desc->bNumEndpoints) {
set_eps(interface_desc->bNumEndpoints,
ep_desc, config_desc_length,
config, cur_intf,
interface_desc->bAlternateSetting);
}
DMSG("config=%d, intf=%d(assigned=%d),"
" alt=%d\n", config, cur_intf,
interface_desc->bInterfaceNumber,
interface_desc->bAlternateSetting);
} else {
DMSG("no more alt interfaces,"
" config_desc_length=%d, goto next_intf\n",
config_desc_length);
goto next_intf;
} /* if */
p_config_desc = (struct usb_config_descriptor *)
((struct usb_interface_descriptor *)
interface_desc + 1);
config_desc_length -= interface_desc->bLength;/* yfw */
DMSG(" p_config_desc=%p, interface_desc=%p, "
"config_desc_length=%d\n",
p_config_desc, interface_desc, config_desc_length);
} /* while */
next_intf:
last_intf = cur_intf;
dev->interface_count++;
DMSG("parse interface %d finished, dev->interface_count=%d\n",
i, dev->interface_count);
} /* for */
/* set CDC union descriptors */
set_cdc_desc(dev);
#endif
return 0;
}
