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add descriptor string count for tud_desc_set_t

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This commit is contained in:
hathach 2018-07-23 16:12:14 +07:00
parent 2bff2a7d97
commit 262be103e0
3 changed files with 19 additions and 11 deletions
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4
examples/device/nrf52840/src/tusb_descriptors.c
View File

@ -85,7 +85,9 @@ tud_desc_set_t tud_desc_set =
{
.device = NULL,
.config = NULL,
.string_arr = (uint8_t const **) string_desc_arr,
.string_arr = (uint8_t const **) string_desc_arr,
.string_count = sizeof(string_desc_arr)/sizeof(string_desc_arr[0]),
.hid_report =
{

18
src/device/usbd.c
View File

@ -315,7 +315,7 @@ static void usbd_reset(uint8_t rhport)
extern tusb_desc_device_t const _desc_auto_device;
extern uint8_t const * const _desc_auto_config;
tud_desc_set.device = &_desc_auto_device;
tud_desc_set.device = (uint8_t const*) &_desc_auto_device;
tud_desc_set.config = _desc_auto_config;
#if CFG_TUD_HID_BOOT_PROTOCOL
@ -509,13 +509,17 @@ static uint16_t get_descriptor(uint8_t rhport, tusb_control_request_t const * co
break;
case TUSB_DESC_STRING:
// windows sometimes ask for string at index 238 !!!
if ( !(desc_index < 100) ) return 0;
if ( desc_index < tud_desc_set.string_count )
{
desc_data = tud_desc_set.string_arr[desc_index];
VERIFY( desc_data != NULL, 0 );
desc_data = tud_desc_set.string_arr[desc_index];
VERIFY( desc_data != NULL, 0 );
len = desc_data[0]; // first byte of descriptor is its size
len = desc_data[0]; // first byte of descriptor is its size
}else
{
// out of range
return 0;
}
break;
case TUSB_DESC_DEVICE_QUALIFIER:

8
src/device/usbd.h
View File

@ -59,9 +59,11 @@
/// \brief Descriptor pointer collector to all the needed.
typedef struct {
void const * device; ///< pointer to device descriptor \ref tusb_desc_device_t
uint8_t const * config; ///< pointer to the whole configuration descriptor, starting by \ref tusb_desc_configuration_t
uint8_t const** string_arr; ///< a array of pointers to string descriptors
uint8_t const * device; ///< pointer to device descriptor \ref tusb_desc_device_t
uint8_t const * config; ///< pointer to the whole configuration descriptor, starting by \ref tusb_desc_configuration_t
uint8_t const** string_arr; ///< a array of pointers to string descriptors
uint16_t string_count;
struct {
uint8_t const* composite;