static struct usb_config_descriptor *
get_device_config(struct usb_pipe *pipe)
{
struct usb_config_descriptor cfg;
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
req.bRequest = USB_REQ_GET_DESCRIPTOR;
req.wValue = USB_DT_CONFIG<<8;
req.wIndex = 0;
req.wLength = sizeof(cfg);
int ret = usb_send_default_control(pipe, &req, &cfg);
if (ret)
return NULL;
void *config = malloc_tmphigh(cfg.wTotalLength);
if (!config)
return NULL;
req.wLength = cfg.wTotalLength;
ret = usb_send_default_control(pipe, &req, config);
if (ret) {
free(config);
return NULL;
}
//hexdump(config, cfg.wTotalLength);
return config;
}
static int
set_configuration(struct usb_pipe *pipe, u16 val)
{
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
req.bRequest = USB_REQ_SET_CONFIGURATION;
req.wValue = val;
req.wIndex = 0;
req.wLength = 0;
return usb_send_default_control(pipe, &req, NULL);
}
// Get the first 8 bytes of the device descriptor.
static int
get_device_info8(struct usb_pipe *pipe, struct usb_device_descriptor *dinfo)
{
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_IN | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
req.bRequest = USB_REQ_GET_DESCRIPTOR;
req.wValue = USB_DT_DEVICE<<8;
req.wIndex = 0;
req.wLength = 8;
return usb_send_default_control(pipe, &req, dinfo);
}
// Send USB HID SetIdle request.
static int
set_idle(struct usb_pipe *pipe, int ms)
{
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
req.bRequest = HID_REQ_SET_IDLE;
req.wValue = (ms/4)<<8;
req.wIndex = 0;
req.wLength = 0;
return usb_send_default_control(pipe, &req, NULL);
}
// Send USB HID protocol message.
static int
set_protocol(struct usb_pipe *pipe, u16 val)
{
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
req.bRequest = HID_REQ_SET_PROTOCOL;
req.wValue = val;
req.wIndex = 0;
req.wLength = 0;
return usb_send_default_control(pipe, &req, NULL);
}
static int
usb_msc_maxlun(struct usb_pipe *pipe)
{
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE;
req.bRequest = 0xfe;
req.wValue = 0;
req.wIndex = 0;
req.wLength = 1;
unsigned char maxlun;
int ret = usb_send_default_control(pipe, &req, &maxlun);
if (ret)
return 0;
return maxlun;
}
// Assign an address to a device in the default state on the given
// controller.
static int
usb_set_address(struct usbdevice_s *usbdev)
{
ASSERT32FLAT();
struct usb_s *cntl = usbdev->hub->cntl;
dprintf(3, "set_address %p\n", cntl);
if (cntl->maxaddr >= USB_MAXADDR)
return -1;
msleep(USB_TIME_RSTRCY);
// Create a pipe for the default address.
struct usb_endpoint_descriptor epdesc = {
.wMaxPacketSize = speed_to_ctlsize[usbdev->speed],
.bmAttributes = USB_ENDPOINT_XFER_CONTROL,
};
usbdev->defpipe = usb_alloc_pipe(usbdev, &epdesc);
if (!usbdev->defpipe)
return -1;
// Send set_address command.
struct usb_ctrlrequest req;
req.bRequestType = USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE;
req.bRequest = USB_REQ_SET_ADDRESS;
req.wValue = cntl->maxaddr + 1;
req.wIndex = 0;
req.wLength = 0;
int ret = usb_send_default_control(usbdev->defpipe, &req, NULL);
if (ret) {
usb_free_pipe(usbdev, usbdev->defpipe);
return -1;
}
msleep(USB_TIME_SETADDR_RECOVERY);
cntl->maxaddr++;
usbdev->devaddr = cntl->maxaddr;
usbdev->defpipe = usb_realloc_pipe(usbdev, usbdev->defpipe, &epdesc);
if (!usbdev->defpipe)
return -1;
return 0;
}
