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add other speed descriptor callback tud_descriptor_other_speed_configuration_cb()

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example implement tud_descriptor_device_qualifier_cb() and
tud_descriptor_other_speed_configuration_cb() on high speed device to
fully compliant to usbcv
This commit is contained in:
hathach
2021-09-09 14:34:03 +07:00
parent d66d817c38
commit f81368174b
8 changed files with 315 additions and 54 deletions
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40
src/device/usbd.c
View File

@@ -1002,10 +1002,22 @@ static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const
break;
case TUSB_DESC_CONFIGURATION:
case TUSB_DESC_OTHER_SPEED_CONFIG:
{
TU_LOG2(" Configuration[%u]\r\n", desc_index);
tusb_desc_configuration_t const* desc_config;
if ( desc_type == TUSB_DESC_CONFIGURATION )
{
TU_LOG2(" Configuration[%u]\r\n", desc_index);
desc_config = (tusb_desc_configuration_t const*) tud_descriptor_configuration_cb(desc_index);
}else
{
// Host only request this after getting Device Qualifier descriptor
TU_LOG2(" Other Speed Configuration\r\n");
TU_VERIFY( tud_descriptor_other_speed_configuration_cb );
desc_config = (tusb_desc_configuration_t const*) tud_descriptor_other_speed_configuration_cb(desc_index);
}
tusb_desc_configuration_t const* desc_config = (tusb_desc_configuration_t const*) tud_descriptor_configuration_cb(desc_index);
TU_ASSERT(desc_config);
// Use offsetof to avoid pointer to the odd/misaligned address
@@ -1031,27 +1043,13 @@ static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const
case TUSB_DESC_DEVICE_QUALIFIER:
TU_LOG2(" Device Qualifier\r\n");
// Host sends this request to ask why our device with USB BCD from 2.0
// but is running at Full/Low Speed. If not highspeed capable stall this request,
// otherwise return the descriptor that could work in highspeed mode
if ( tud_descriptor_device_qualifier_cb )
{
uint8_t const* desc_qualifier = tud_descriptor_device_qualifier_cb();
TU_ASSERT(desc_qualifier);
TU_VERIFY( tud_descriptor_device_qualifier_cb );
// first byte of descriptor is its size
return tud_control_xfer(rhport, p_request, (void*) desc_qualifier, desc_qualifier[0]);
}else
{
return false;
}
break;
uint8_t const* desc_qualifier = tud_descriptor_device_qualifier_cb();
TU_VERIFY(desc_qualifier);
case TUSB_DESC_OTHER_SPEED_CONFIG:
TU_LOG2(" Other Speed Configuration\r\n");
// After Device Qualifier descriptor is received host will ask for this descriptor
return false; // not supported
// first byte of descriptor is its size
return tud_control_xfer(rhport, p_request, (void*) desc_qualifier, desc_qualifier[0]);
break;
default: return false;

9
src/device/usbd.h
View File

@@ -113,9 +113,16 @@ uint16_t const* tud_descriptor_string_cb(uint8_t index, uint16_t langid);
TU_ATTR_WEAK uint8_t const * tud_descriptor_bos_cb(void);
// Invoked when received GET DEVICE QUALIFIER DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete.
// device_qualifier descriptor describes information about a high-speed capable device that would
// change if the device were operating at the other speed. If not highspeed capable stall this request.
TU_ATTR_WEAK uint8_t const* tud_descriptor_device_qualifier_cb(void);
// Invoked when received GET OTHER SEED CONFIGURATION DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
// Configuration descriptor in the other speed e.g if high speed then this is for full speed and vice versa
TU_ATTR_WEAK uint8_t const* tud_descriptor_other_speed_configuration_cb(uint8_t index);
// Invoked when device is mounted (configured)
TU_ATTR_WEAK void tud_mount_cb(void);