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Merge pull request #345 from hathach/add-alt-itf

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Implement setInterface(alt) for usb net driver
This commit is contained in:
Ha Thach
2020-04-16 21:33:03 +07:00
committed by GitHub
parent 33888519dd 2eed58d096
commit bfec3b4479
4 changed files with 179 additions and 133 deletions
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40
src/device/usbd.c
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@@ -571,39 +571,17 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
uint8_t const drvid = _usbd_dev.itf2drv[itf];
TU_VERIFY(drvid < USBD_CLASS_DRIVER_COUNT);
if (p_request->bmRequestType_bit.type == TUSB_REQ_TYPE_STANDARD)
// all requests to Interface (STD or Class) is forwarded to class driver.
// notable requests are: GET HID REPORT DESCRIPTOR, SET_INTERFACE, GET_INTERFACE
if ( !invoke_class_control(rhport, drvid, p_request) )
{
switch ( p_request->bRequest )
{
case TUSB_REQ_GET_INTERFACE:
{
// TODO not support alternate interface yet
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
}
break;
// For GET_INTERFACE, it is mandatory to respond even if the class
// driver doesn't use alternate settings.
TU_VERIFY( TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type &&
TUSB_REQ_GET_INTERFACE == p_request->bRequest);
case TUSB_REQ_SET_INTERFACE:
{
uint8_t const alternate = (uint8_t) p_request->wValue;
(void) alternate;
// TODO not support alternate interface yet
// TU_ASSERT(alternate == 0);
tud_control_status(rhport, p_request);
}
break;
default:
// forward to class driver: "STD request to Interface"
// GET HID REPORT DESCRIPTOR falls into this case
TU_VERIFY(invoke_class_control(rhport, drvid, p_request));
break;
}
}else
{
// forward to class driver: "non-STD request to Interface"
TU_VERIFY(invoke_class_control(rhport, drvid, p_request));
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
}
}
break;