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espressif_tinyusb
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added tud_descriptor_bos_cb(), add support for BOS get descriptor

This commit is contained in:
hathach 2019-07-12 00:12:14 +07:00
parent 92134b5ef2
commit e74aa41552
3 changed files with 29 additions and 1 deletions
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8
src/common/tusb_types.h
View File

@ -253,6 +253,14 @@ typedef struct TU_ATTR_PACKED
uint8_t bNumConfigurations ; ///< Number of possible configurations.
} tusb_desc_device_t;
typedef struct TU_ATTR_PACKED
{
uint8_t bLength ; ///< Size of this descriptor in bytes
uint8_t bDescriptorType ; ///< CONFIGURATION Descriptor Type
uint16_t wTotalLength ; ///< Total length of data returned for this descriptor
uint8_t bNumDeviceCaps ; ///< Number of device capability descriptors in the BOS
} tusb_desc_bos_t;
/// USB Standard Configuration Descriptor (section 9.6.1 table 9-10) */
typedef struct TU_ATTR_PACKED
{

18
src/device/usbd.c
View File

@ -566,10 +566,26 @@ static bool process_get_descriptor(uint8_t rhport, tusb_control_request_t const
return usbd_control_xfer(rhport, p_request, (void*) tud_descriptor_device_cb(), sizeof(tusb_desc_device_t));
break;
case TUSB_DESC_BOS:
{
// requested by host if USB > 2.0 ( i.e 2.1 or 3.x )
if (!tud_descriptor_bos_cb) return false;
tusb_desc_bos_t const* desc_bos = (tusb_desc_bos_t const*) tud_descriptor_bos_cb();
uint16_t total_len;
memcpy(&total_len, &desc_bos->wTotalLength, 2); // possibly mis-aligned memory
return usbd_control_xfer(rhport, p_request, (void*) desc_bos, total_len);
}
break;
case TUSB_DESC_CONFIGURATION:
{
tusb_desc_configuration_t const* desc_config = (tusb_desc_configuration_t const*) tud_descriptor_configuration_cb(desc_index);
return usbd_control_xfer(rhport, p_request, (void*) desc_config, desc_config->wTotalLength);
uint16_t total_len;
memcpy(&total_len, &desc_config->wTotalLength, 2); // possibly mis-aligned memory
return usbd_control_xfer(rhport, p_request, (void*) desc_config, total_len);
}
break;

4
src/device/usbd.h
View File

@ -67,6 +67,10 @@ bool tud_remote_wakeup(void);
// Application return pointer to descriptor
uint8_t const * tud_descriptor_device_cb(void);
// Invoked when received GET BOS DESCRIPTOR request
// Application return pointer to descriptor
TU_ATTR_WEAK uint8_t const * tud_descriptor_bos_cb(void);
// Invoked when received GET CONFIGURATION DESCRIPTOR request
// Application return pointer to descriptor, whose contents must exist long enough for transfer to complete
uint8_t const * tud_descriptor_configuration_cb(uint8_t index);