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usb: Fix various descriptor transfers in order to not rely on quirks

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CTCaer 2020-11-15 14:38:18 +02:00
parent d3c318d0c9
commit 6dddb968fa
1 changed files with 10 additions and 5 deletions
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13
bdk/usb/usbd.c
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@ -911,6 +911,7 @@ static void _usbd_handle_get_class_request(bool *transmit_data, u8 *descriptor,
break; // DELAYED_STATUS;
case USB_REQUEST_BULK_GET_MAX_LUN:
*transmit_data = true;
*size = 1;
descriptor[0] = usbd_otg->max_lun; // Set 0 LUN for 1 drive supported.
usbd_otg->max_lun_set = true;
break;
@ -1148,6 +1149,7 @@ static int _usbd_handle_ep0_control_transfer()
break;
case (USB_SETUP_HOST_TO_DEVICE | USB_SETUP_TYPE_CLASS | USB_SETUP_RECIPIENT_INTERFACE):
memset(descriptor, 0, _wLength);
_usbd_handle_get_class_request(&transmit_data, descriptor, &size, &ep_stall);
break;
@ -1177,23 +1179,26 @@ static int _usbd_handle_ep0_control_transfer()
case (USB_SETUP_DEVICE_TO_HOST | USB_SETUP_TYPE_STANDARD | USB_SETUP_RECIPIENT_INTERFACE):
if (_bRequest == USB_REQUEST_GET_INTERFACE)
{
descriptor = (void *)&usbd_otg->interface_num;
memset(descriptor, 0, _wLength);
descriptor[0] = usbd_otg->interface_num;
size = _wLength;
}
else if (_bRequest == USB_REQUEST_GET_STATUS)
{
memset(descriptor, 0, _wLength);
size = _wLength;
}
else if (_bRequest == USB_REQUEST_GET_DESCRIPTOR && (_wValue >> 8) == USB_DESCRIPTOR_HID_REPORT && usbd_otg->gadget > USB_GADGET_UMS)
{
if (usbd_otg->gadget == USB_GADGET_HID_GAMEPAD)
{
descriptor = (u8 *)&hid_report_descriptor_jc;
_wLength = hid_report_descriptor_jc_size;
size = hid_report_descriptor_jc_size;
}
else // USB_GADGET_HID_TOUCHPAD
{
descriptor = (u8 *)&hid_report_descriptor_touch;
_wLength = hid_report_descriptor_touch_size;
size = hid_report_descriptor_touch_size;
}
usbd_otg->hid_report_sent = true;
@ -1204,6 +1209,7 @@ static int _usbd_handle_ep0_control_transfer()
break;
}
if (_wLength < size)
size = _wLength;
transmit_data = true;
break;
@ -1248,7 +1254,6 @@ static int _usbd_handle_ep0_control_transfer()
case (USB_SETUP_DEVICE_TO_HOST | USB_SETUP_TYPE_CLASS | USB_SETUP_RECIPIENT_INTERFACE):
memset(descriptor, 0, _wLength);
_usbd_handle_get_class_request(&transmit_data, descriptor, &size, &ep_stall);
size = _wLength;
break;
case (USB_SETUP_DEVICE_TO_HOST | USB_SETUP_TYPE_VENDOR | USB_SETUP_RECIPIENT_INTERFACE):