diff options
Diffstat (limited to 'examples/device/dfu/src/usb_descriptors.c')
| -rw-r--r-- | examples/device/dfu/src/usb_descriptors.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/examples/device/dfu/src/usb_descriptors.c b/examples/device/dfu/src/usb_descriptors.c index 870c18a04..78e94194e 100644 --- a/examples/device/dfu/src/usb_descriptors.c +++ b/examples/device/dfu/src/usb_descriptors.c @@ -81,13 +81,16 @@ uint8_t const * tud_descriptor_device_cb(void) // Configuration Descriptor //--------------------------------------------------------------------+ +// Number of Alternate Interface (each for 1 flash partition) +#define ALT_COUNT 2 + enum { ITF_NUM_DFU_MODE, ITF_NUM_TOTAL }; -#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_DFU_MODE_DESC_LEN) +#define CONFIG_TOTAL_LEN (TUD_CONFIG_DESC_LEN + TUD_DFU_DESC_LEN(ALT_COUNT)) #define FUNC_ATTRS (DFU_FUNC_ATTR_CAN_UPLOAD_BITMASK | DFU_FUNC_ATTR_CAN_DOWNLOAD_BITMASK) @@ -96,8 +99,8 @@ uint8_t const desc_configuration[] = // Config number, interface count, string index, total length, attribute, power in mA TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, TUSB_DESC_CONFIG_ATT_REMOTE_WAKEUP, 100), - // Interface number, attributes, detach timeout, transfer size, string index 0, [string index 1 ... string index n] - TUD_DFU_DESCRIPTOR(ITF_NUM_DFU_MODE, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE, 4, 5), + // Interface number, Alternate count, starting string index, attributes, detach timeout, transfer size + TUD_DFU_DESCRIPTOR(ITF_NUM_DFU_MODE, ALT_COUNT, 4, FUNC_ATTRS, 1000, CFG_TUD_DFU_TRANSFER_BUFFER_SIZE), }; // Invoked when received GET CONFIGURATION DESCRIPTOR |