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Merge pull request #711 from hathach/usbd-handle-set-interface

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Usbd handle set interface
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Ha Thach 2021-03-10 12:10:52 +07:00 committed by GitHub
commit f9817da397
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2 changed files with 58 additions and 43 deletions
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81
examples/device/webusb_serial/src/main.c
View File

@ -169,52 +169,59 @@ void tud_resume_cb(void)
bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request)
{
// nothing to with DATA & ACK stage
if (stage != CONTROL_STAGE_SETUP ) return true;
if (stage != CONTROL_STAGE_SETUP) return true;
if (request->bmRequestType_bit.type == TUSB_REQ_TYPE_VENDOR) {
switch (request->bRequest)
{
case VENDOR_REQUEST_WEBUSB:
// match vendor request in BOS descriptor
// Get landing page url
return tud_control_xfer(rhport, request, (void*) &desc_url, desc_url.bLength);
switch (request->bmRequestType_bit.type)
{
case TUSB_REQ_TYPE_VENDOR:
switch (request->bRequest)
{
case VENDOR_REQUEST_WEBUSB:
// match vendor request in BOS descriptor
// Get landing page url
return tud_control_xfer(rhport, request, (void*) &desc_url, desc_url.bLength);
case VENDOR_REQUEST_MICROSOFT:
if ( request->wIndex == 7 )
case VENDOR_REQUEST_MICROSOFT:
if ( request->wIndex == 7 )
{
// Get Microsoft OS 2.0 compatible descriptor
uint16_t total_len;
memcpy(&total_len, desc_ms_os_20+8, 2);
return tud_control_xfer(rhport, request, (void*) desc_ms_os_20, total_len);
}else
{
return false;
}
default: break;
}
break;
case TUSB_REQ_TYPE_CLASS:
if (request->bRequest == 0x22)
{
// Webserial simulate the CDC_REQUEST_SET_CONTROL_LINE_STATE (0x22) to connect and disconnect.
web_serial_connected = (request->wValue != 0);
// Always lit LED if connected
if ( web_serial_connected )
{
// Get Microsoft OS 2.0 compatible descriptor
uint16_t total_len;
memcpy(&total_len, desc_ms_os_20+8, 2);
board_led_write(true);
blink_interval_ms = BLINK_ALWAYS_ON;
return tud_control_xfer(rhport, request, (void*) desc_ms_os_20, total_len);
tud_vendor_write_str("\r\nTinyUSB WebUSB device example\r\n");
}else
{
return false;
blink_interval_ms = BLINK_MOUNTED;
}
default:
return false;
}
} else if (
request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS &&
request->bRequest == 0x22) {
// Webserial simulate the CDC_REQUEST_SET_CONTROL_LINE_STATE (0x22) to
// connect and disconnect.
web_serial_connected = (request->wValue != 0);
// response with status OK
return tud_control_status(rhport, request);
}
break;
// Always lit LED if connected
if ( web_serial_connected ) {
board_led_write(true);
blink_interval_ms = BLINK_ALWAYS_ON;
tud_vendor_write_str("\r\nTinyUSB WebUSB device example\r\n");
}else
{
blink_interval_ms = BLINK_MOUNTED;
}
// response with status OK
return tud_control_status(rhport, request);
default: break;
}
// stall unknown request

20
src/device/usbd.c
View File

@ -699,13 +699,21 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
// notable requests are: GET HID REPORT DESCRIPTOR, SET_INTERFACE, GET_INTERFACE
if ( !invoke_class_control(rhport, driver, p_request) )
{
// 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);
// For GET_INTERFACE and SET_INTERFACE, it is mandatory to respond even if the class
// driver doesn't use alternate settings or implement this
TU_VERIFY(TUSB_REQ_TYPE_STANDARD == p_request->bmRequestType_bit.type);
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
if (TUSB_REQ_GET_INTERFACE == p_request->bRequest)
{
uint8_t alternate = 0;
tud_control_xfer(rhport, p_request, &alternate, 1);
}else if (TUSB_REQ_SET_INTERFACE == p_request->bRequest)
{
tud_control_status(rhport, p_request);
} else
{
return false;
}
}
}
break;