diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/tusb_types.h | 5 | ||||
| -rw-r--r-- | src/device/usbd.c | 40 | ||||
| -rw-r--r-- | src/device/usbd.h | 9 |
3 files changed, 31 insertions, 23 deletions
diff --git a/src/common/tusb_types.h b/src/common/tusb_types.h index d23c6b2dd..f26983a74 100644 --- a/src/common/tusb_types.h +++ b/src/common/tusb_types.h @@ -372,7 +372,7 @@ typedef struct TU_ATTR_PACKED uint8_t bNumInterfaces ; ///< Number of interfaces supported by this speed configuration uint8_t bConfigurationValue ; ///< Value to use to select configuration - uint8_t IConfiguration ; ///< Index of string descriptor + uint8_t iConfiguration ; ///< Index of string descriptor uint8_t bmAttributes ; ///< Same as Configuration descriptor uint8_t bMaxPower ; ///< Same as Configuration descriptor } tusb_desc_other_speed_t; @@ -387,11 +387,14 @@ typedef struct TU_ATTR_PACKED uint8_t bDeviceClass ; ///< Class Code uint8_t bDeviceSubClass ; ///< SubClass Code uint8_t bDeviceProtocol ; ///< Protocol Code + uint8_t bMaxPacketSize0 ; ///< Maximum packet size for other speed uint8_t bNumConfigurations ; ///< Number of Other-speed Configurations uint8_t bReserved ; ///< Reserved for future use, must be zero } tusb_desc_device_qualifier_t; +TU_VERIFY_STATIC( sizeof(tusb_desc_device_qualifier_t) == 10, "size is not correct"); + /// USB Interface Association Descriptor (IAD ECN) typedef struct TU_ATTR_PACKED { diff --git a/src/device/usbd.c b/src/device/usbd.c index a52ea9afe..58b3a5701 100644 --- a/src/device/usbd.c +++ b/src/device/usbd.c @@ -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; diff --git a/src/device/usbd.h b/src/device/usbd.h index 9becf2d0d..638d93094 100644 --- a/src/device/usbd.h +++ b/src/device/usbd.h @@ -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); |