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Add CDC interface string index and unify user-visible names to advertised name

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This commit is contained in:
PhosphorosVR
2025-09-15 13:42:26 +02:00
parent 31c294d9dd
commit e6305536e6
1 changed files with 9 additions and 3 deletions
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12
components/usb_device_uvc/tusb/usb_descriptors.c
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@@ -70,6 +70,8 @@ uint8_t const *tud_descriptor_device_cb(void)
#define STRID_PRODUCT 2
#define STRID_SERIAL 3
#define STRID_UVC_CAM1 4
// CDC interface string index used by TUD_CDC_DESCRIPTOR below
#define STRID_CDC 6
// Endpoint numbers for CDC
#define EPNUM_CDC_NOTIF 0x81
@@ -200,12 +202,15 @@ uint8_t const *tud_descriptor_configuration_cb(uint8_t index)
//--------------------------------------------------------------------+
// Array of pointers to string literals. Indices must match STRID_* above.
// NOTE: Indices must be contiguous up to the highest used index (STRID_CDC = 6)
char const *string_desc_arr[] = {
(const char[]){0x09, 0x04}, // 0: Supported language: English (0x0409)
CONFIG_TUSB_MANUFACTURER, // 1: Manufacturer
CONFIG_TUSB_PRODUCT, // 2: Product
CONFIG_TUSB_PRODUCT, // 2: Product (overridden by advertised name)
CONFIG_TUSB_SERIAL_NUM, // 3: Serial (overridden by get_serial_number())
"UVC CAM1", // 4: UVC Interface name for Cam1 (overridden by get_uvc_device_name())
"UVC CAM1", // 4: UVC Interface name for Cam1 (overridden by get_uvc_device_name())
"CDC", // 5: placeholder (unused)
"CDC Interface", // 6: CDC Interface name (overridden to advertised name)
};
static uint16_t _desc_str[32];
@@ -249,7 +254,8 @@ uint16_t const *tud_descriptor_string_cb(uint8_t index, uint16_t langid)
// Allow dynamic overrides for specific indices
if (index == STRID_SERIAL)
str = get_serial_number();
if (index == STRID_UVC_CAM1)
// Unify all user-visible names (Product, UVC interface, CDC interface) to advertised name
if (index == STRID_UVC_CAM1 || index == STRID_PRODUCT || index == STRID_CDC)
str = get_uvc_device_name();
if (str == NULL)
str = string_desc_arr[index];