add usbd_configure_done_callback for templates

10 files changed, 93 insertions, 336 deletions

diff --git a/demo/audio_v1_mic_multichan_template.c b/demo/audio_v1_mic_multichan_template.c
index 18797f9e..24f9fe05 100644
--- a/demo/audio_v1_mic_multichan_template.c
+++ b/demo/audio_v1_mic_multichan_template.c
@@ -143,6 +143,11 @@ const uint8_t audio_descriptor[] = {
     0x00
 };
 
+void usbd_configure_done_callback(void)
+{
+    /* no out ep, do nothing */
+}
+
 volatile bool tx_flag = 0;
 
 void usbd_audio_open(uint8_t intf)
@@ -160,7 +165,7 @@ static usbd_class_t audio_class;
 static usbd_interface_t audio_control_intf;
 static usbd_interface_t audio_stream_intf;
 
-void usbd_audio_iso_callback(uint8_t ep)
+void usbd_audio_iso_callback(uint8_t ep, uint32_t nbytes)
 {
 }
 
@@ -182,7 +187,6 @@ void audio_init()
 
 void audio_test()
 {
-
     while (1) {
         if (tx_flag) {
         }
diff --git a/demo/audio_v1_mic_speaker_multichan_template.c b/demo/audio_v1_mic_speaker_multichan_template.c
index 1f1fadd1..0a34c038 100644
--- a/demo/audio_v1_mic_speaker_multichan_template.c
+++ b/demo/audio_v1_mic_speaker_multichan_template.c
@@ -36,7 +36,7 @@
                                                   AUDIO_AS_DESCRIPTOR_INIT_LEN(1) +         \
                                                   AUDIO_AS_DESCRIPTOR_INIT_LEN(1))
 
-#define AUDIO_AC_SIZ (AUDIO_SIZEOF_AC_HEADER_DESC(2) +         \
+#define AUDIO_AC_SIZ (AUDIO_SIZEOF_AC_HEADER_DESC(2) +          \
                       AUDIO_SIZEOF_AC_INPUT_TERMINAL_DESC +     \
                       AUDIO_SIZEOF_AC_FEATURE_UNIT_DESC(2, 1) + \
                       AUDIO_SIZEOF_AC_OUTPUT_TERMINAL_DESC +    \
@@ -166,18 +166,19 @@ static usbd_interface_t audio_stream_intf2;
 #endif
 
 USB_MEM_ALIGNX uint8_t out_buffer[AUDIO_OUT_EP_MPS];
-uint32_t actual_read_length = 0;
 
-void usbd_audio_out_callback(uint8_t ep)
+void usbd_configure_done_callback(void)
 {
-    if (usbd_ep_read(ep, out_buffer, AUDIO_OUT_EP_MPS, &actual_read_length) < 0) {
-        USB_LOG_RAW("Read DATA Packet failed\r\n");
-        usbd_ep_set_stall(ep);
-        return;
-    }
+    /* setup first out ep read transfer */
+    usbd_ep_start_read(AUDIO_OUT_EP, out_buffer, AUDIO_OUT_EP_MPS);
+}
+
+void usbd_audio_out_callback(uint8_t ep, uint32_t bytes)
+{
+
 }
 
-void usbd_audio_in_callback(uint8_t ep)
+void usbd_audio_in_callback(uint8_t ep, uint32_t bytes)
 {
 }
 
diff --git a/demo/audio_v2_mic_multichan_template.c b/demo/audio_v2_mic_multichan_template.c
index fc09d8e2..04890d69 100644
--- a/demo/audio_v2_mic_multichan_template.c
+++ b/demo/audio_v2_mic_multichan_template.c
@@ -14,7 +14,7 @@
 
 #define AUDIO_IN_EP 0x01
 
-#define AUDIO_FREQ 48000
+#define AUDIO_FREQ      48000
 #define HALF_WORD_BYTES 2  //2 half word (one channel)
 #define SAMPLE_BITS     16 //16 bit per channel
 
@@ -146,6 +146,7 @@ const uint8_t audio_descriptor[] = {
 #endif
     0x00
 };
+
 volatile bool tx_flag = 0;
 
 void usbd_audio_open(uint8_t intf)
@@ -163,12 +164,17 @@ static usbd_class_t audio_class;
 static usbd_interface_t audio_control_intf;
 static usbd_interface_t audio_stream_intf;
 
-void usbd_audio_iso_callback(uint8_t ep)
+void usbd_configure_done_callback(void)
+{
+    /* no out ep, do nothing */
+}
+
+void usbd_audio_iso_in_callback(uint8_t ep, uint32_t nbytes)
 {
 }
 
 static usbd_endpoint_t audio_in_ep = {
-    .ep_cb = usbd_audio_iso_callback,
+    .ep_cb = usbd_audio_iso_in_callback,
     .ep_addr = AUDIO_IN_EP
 };
 
diff --git a/demo/audio_v2_mic_speaker_multichan_template.c b/demo/audio_v2_mic_speaker_multichan_template.c
index 2d55a4cd..4b2909e0 100644
--- a/demo/audio_v2_mic_speaker_multichan_template.c
+++ b/demo/audio_v2_mic_speaker_multichan_template.c
@@ -13,9 +13,9 @@
 #endif
 
 #define AUDIO_OUT_EP 0x02
-#define AUDIO_IN_EP 0x81
+#define AUDIO_IN_EP  0x81
 
-#define AUDIO_FREQ 48000
+#define AUDIO_FREQ      48000
 #define HALF_WORD_BYTES 2  //2 half word (one channel)
 #define SAMPLE_BITS     16 //16 bit per channel
 
@@ -233,13 +233,37 @@ void usbd_audio_set_sampling_freq(uint8_t entity_id, uint8_t ep_ch, uint32_t sam
 static usbd_class_t audio_class;
 static usbd_interface_t audio_control_intf;
 static usbd_interface_t audio_stream_intf;
+static usbd_interface_t audio_stream_intf2;
 
-void usbd_audio_iso_callback(uint8_t ep)
+#ifdef CONFIG_USB_HS
+#define AUDIO_OUT_EP_MPS 512
+#else
+#define AUDIO_OUT_EP_MPS 64
+#endif
+
+USB_MEM_ALIGNX uint8_t out_buffer[AUDIO_OUT_EP_MPS];
+
+void usbd_configure_done_callback(void)
+{
+    /* setup first out ep read transfer */
+    usbd_ep_start_read(AUDIO_OUT_EP, out_buffer, AUDIO_OUT_EP_MPS);
+}
+
+void usbd_audio_iso_out_callback(uint8_t ep, uint32_t nbytes)
+{
+}
+
+void usbd_audio_iso_in_callback(uint8_t ep, uint32_t nbytes)
 {
 }
 
+static usbd_endpoint_t audio_out_ep = {
+    .ep_cb = usbd_audio_iso_out_callback,
+    .ep_addr = AUDIO_OUT_EP
+};
+
 static usbd_endpoint_t audio_in_ep = {
-    .ep_cb = usbd_audio_iso_callback,
+    .ep_cb = usbd_audio_iso_in_callback,
     .ep_addr = AUDIO_IN_EP
 };
 
@@ -256,7 +280,6 @@ void audio_init()
     usbd_audio_add_entity(0x05, AUDIO_CONTROL_CLOCK_SOURCE);
     usbd_audio_add_entity(0x07, AUDIO_CONTROL_FEATURE_UNIT);
 
-
     usbd_initialize();
 }
 
diff --git a/demo/audio_v2_speaker_multichan_template.c b/demo/audio_v2_speaker_multichan_template.c
index bd5cfc44..c1c5fe41 100644
--- a/demo/audio_v2_speaker_multichan_template.c
+++ b/demo/audio_v2_speaker_multichan_template.c
@@ -163,12 +163,26 @@ static usbd_class_t audio_class;
 static usbd_interface_t audio_control_intf;
 static usbd_interface_t audio_stream_intf;
 
-void usbd_audio_iso_callback(uint8_t ep)
+#ifdef CONFIG_USB_HS
+#define AUDIO_OUT_EP_MPS 512
+#else
+#define AUDIO_OUT_EP_MPS 64
+#endif
+
+USB_MEM_ALIGNX uint8_t out_buffer[AUDIO_OUT_EP_MPS];
+
+void usbd_configure_done_callback(void)
+{
+    /* setup first out ep read transfer */
+    usbd_ep_start_read(AUDIO_OUT_EP, out_buffer, AUDIO_OUT_EP_MPS);
+}
+
+void usbd_audio_iso_out_callback(uint8_t ep, uint32_t nbytes)
 {
 }
 
-static usbd_endpoint_t audio_in_ep = {
-    .ep_cb = usbd_audio_iso_callback,
+static usbd_endpoint_t audio_out_ep = {
+    .ep_cb = usbd_audio_iso_out_callback,
     .ep_addr = AUDIO_OUT_EP
 };
 
@@ -177,7 +191,7 @@ void audio_init()
     usbd_desc_register(audio_descriptor);
     usbd_audio_add_interface(&audio_class, &audio_control_intf);
     usbd_audio_add_interface(&audio_class, &audio_stream_intf);
-    usbd_interface_add_endpoint(&audio_stream_intf, &audio_in_ep);
+    usbd_interface_add_endpoint(&audio_stream_intf, &audio_out_ep);
     usbd_audio_add_entity(0x01, AUDIO_CONTROL_CLOCK_SOURCE);
     usbd_audio_add_entity(0x03, AUDIO_CONTROL_FEATURE_UNIT);
 
diff --git a/demo/hid_keyboard_template.c b/demo/hid_keyboard_template.c
index 6f892fb7..b477c781 100644
--- a/demo/hid_keyboard_template.c
+++ b/demo/hid_keyboard_template.c
@@ -172,6 +172,11 @@ static const uint8_t hid_keyboard_report_desc[HID_KEYBOARD_REPORT_DESC_SIZE] = {
     0xc0        // END_COLLECTION
 };
 
+void usbd_configure_done_callback(void)
+{
+    /* no out ep, do nothing */
+}
+
 static usbd_class_t hid_class;
 static usbd_interface_t hid_intf;
 
@@ -179,7 +184,7 @@ static usbd_interface_t hid_intf;
 #define HID_STATE_BUSY 1
 
 /*!< hid state ! Data can be sent only when state is idle  */
-uint8_t hid_state = HID_STATE_IDLE;
+static uint8_t hid_state = HID_STATE_IDLE;
 
 void usbd_hid_int_callback(uint8_t ep, uint32_t nbytes)
 {
diff --git a/demo/hid_mouse_template.c b/demo/hid_mouse_template.c
index c05bb41e..9e443712 100644
--- a/demo/hid_mouse_template.c
+++ b/demo/hid_mouse_template.c
@@ -200,6 +200,11 @@ static struct hid_mouse mouse_cfg;
 /*!< hid state ! Data can be sent only when state is idle  */
 static uint8_t hid_state = HID_STATE_IDLE;
 
+void usbd_configure_done_callback(void)
+{
+    /* no out ep, do nothing */
+}
+
 /* function ------------------------------------------------------------------*/
 static void usbd_hid_int_callback(uint8_t ep, uint32_t nbytes)
 {
diff --git a/demo/hid_msc_template.c b/demo/hid_msc_template.c
deleted file mode 100644
index de783205..00000000
--- a/demo/hid_msc_template.c
+++ /dev/null
@@ -1,312 +0,0 @@
-#include "usbd_core.h"
-#include "usbd_msc.h"
-#include "usbd_hid.h"
-
-#define MSC_IN_EP  0x81
-#define MSC_OUT_EP 0x02
-
-/*!< endpoint address */
-#define HID_INT_EP          0x83
-#define HID_INT_EP_SIZE     8
-#define HID_INT_EP_INTERVAL 10
-
-#define USBD_VID           0xFFFF
-#define USBD_PID           0xFFFF
-#define USBD_MAX_POWER     100
-#define USBD_LANGID_STRING 1033
-
-/*!< report descriptor size */
-#define HID_MOUSE_REPORT_DESC_SIZE 74
-
-#define USB_CONFIG_SIZE (9 + MSC_DESCRIPTOR_LEN + 25)
-
-const uint8_t hid_msc_descriptor[] = {
-    USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
-    USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
-    MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, 0x02),
-    /************** Descriptor of Joystick Mouse interface ****************/
-    /* 09 */
-    0x09,                          /* bLength: Interface Descriptor size */
-    USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */
-    0x01,                          /* bInterfaceNumber: Number of Interface */
-    0x00,                          /* bAlternateSetting: Alternate setting */
-    0x01,                          /* bNumEndpoints */
-    0x03,                          /* bInterfaceClass: HID */
-    0x01,                          /* bInterfaceSubClass : 1=BOOT, 0=no boot */
-    0x02,                          /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */
-    0,                             /* iInterface: Index of string descriptor */
-    /******************** Descriptor of Joystick Mouse HID ********************/
-    /* 18 */
-    0x09,                    /* bLength: HID Descriptor size */
-    HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */
-    0x11,                    /* bcdHID: HID Class Spec release number */
-    0x01,
-    0x00,                       /* bCountryCode: Hardware target country */
-    0x01,                       /* bNumDescriptors: Number of HID class descriptors to follow */
-    0x22,                       /* bDescriptorType */
-    HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */
-    0x00,
-    /******************** Descriptor of Mouse endpoint ********************/
-    /* 27 */
-    0x07,                         /* bLength: Endpoint Descriptor size */
-    USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */
-    HID_INT_EP,                   /* bEndpointAddress: Endpoint Address (IN) */
-    0x03,                         /* bmAttributes: Interrupt endpoint */
-    HID_INT_EP_SIZE,              /* wMaxPacketSize: 4 Byte max */
-    0x00,
-    HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */
-    ///////////////////////////////////////
-    /// string0 descriptor
-    ///////////////////////////////////////
-    USB_LANGID_INIT(USBD_LANGID_STRING),
-    ///////////////////////////////////////
-    /// string1 descriptor
-    ///////////////////////////////////////
-    0x14,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    'C', 0x00,                  /* wcChar0 */
-    'h', 0x00,                  /* wcChar1 */
-    'e', 0x00,                  /* wcChar2 */
-    'r', 0x00,                  /* wcChar3 */
-    'r', 0x00,                  /* wcChar4 */
-    'y', 0x00,                  /* wcChar5 */
-    'U', 0x00,                  /* wcChar6 */
-    'S', 0x00,                  /* wcChar7 */
-    'B', 0x00,                  /* wcChar8 */
-    ///////////////////////////////////////
-    /// string2 descriptor
-    ///////////////////////////////////////
-    0x26,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    'C', 0x00,                  /* wcChar0 */
-    'h', 0x00,                  /* wcChar1 */
-    'e', 0x00,                  /* wcChar2 */
-    'r', 0x00,                  /* wcChar3 */
-    'r', 0x00,                  /* wcChar4 */
-    'y', 0x00,                  /* wcChar5 */
-    'U', 0x00,                  /* wcChar6 */
-    'S', 0x00,                  /* wcChar7 */
-    'B', 0x00,                  /* wcChar8 */
-    ' ', 0x00,                  /* wcChar9 */
-    'H', 0x00,                  /* wcChar10 */
-    '-', 0x00,                  /* wcChar11 */
-    'M', 0x00,                  /* wcChar12 */
-    ' ', 0x00,                  /* wcChar13 */
-    'D', 0x00,                  /* wcChar14 */
-    'E', 0x00,                  /* wcChar15 */
-    'M', 0x00,                  /* wcChar16 */
-    'O', 0x00,                  /* wcChar17 */
-    ///////////////////////////////////////
-    /// string3 descriptor
-    ///////////////////////////////////////
-    0x16,                       /* bLength */
-    USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
-    '2', 0x00,                  /* wcChar0 */
-    '0', 0x00,                  /* wcChar1 */
-    '2', 0x00,                  /* wcChar2 */
-    '2', 0x00,                  /* wcChar3 */
-    '1', 0x00,                  /* wcChar4 */
-    '2', 0x00,                  /* wcChar5 */
-    '3', 0x00,                  /* wcChar6 */
-    '4', 0x00,                  /* wcChar7 */
-    '5', 0x00,                  /* wcChar8 */
-    '6', 0x00,                  /* wcChar9 */
-#ifdef CONFIG_USB_HS
-    ///////////////////////////////////////
-    /// device qualifier descriptor
-    ///////////////////////////////////////
-    0x0a,
-    USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
-    0x00,
-    0x02,
-    0x00,
-    0x00,
-    0x00,
-    0x40,
-    0x01,
-    0x00,
-#endif
-    0x00
-};
-
-#define BLOCK_SIZE  512
-#define BLOCK_COUNT 10
-
-typedef struct
-{
-    uint8_t BlockSpace[BLOCK_SIZE];
-} BLOCK_TYPE;
-
-BLOCK_TYPE mass_block[BLOCK_COUNT];
-
-void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
-{
-    *block_num = 1000; //Pretend having so many buffer,not has actually.
-    *block_size = BLOCK_SIZE;
-}
-int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
-{
-    if (sector < 10)
-        memcpy(buffer, mass_block[sector].BlockSpace, length);
-    return 0;
-}
-
-int usbd_msc_sector_write(uint32_t sector, uint8_t *buffer, uint32_t length)
-{
-    if (sector < 10)
-        memcpy(mass_block[sector].BlockSpace, buffer, length);
-    return 0;
-}
-
-/*!< hid mouse report descriptor */
-static const uint8_t hid_mouse_report_desc[HID_MOUSE_REPORT_DESC_SIZE] = {
-    0x05, 0x01, // USAGE_PAGE (Generic Desktop)
-    0x09, 0x02, // USAGE (Mouse)
-    0xA1, 0x01, // COLLECTION (Application)
-    0x09, 0x01, //   USAGE (Pointer)
-
-    0xA1, 0x00, //   COLLECTION (Physical)
-    0x05, 0x09, //     USAGE_PAGE (Button)
-    0x19, 0x01, //     USAGE_MINIMUM (Button 1)
-    0x29, 0x03, //     USAGE_MAXIMUM (Button 3)
-
-    0x15, 0x00, //     LOGICAL_MINIMUM (0)
-    0x25, 0x01, //     LOGICAL_MAXIMUM (1)
-    0x95, 0x03, //     REPORT_COUNT (3)
-    0x75, 0x01, //     REPORT_SIZE (1)
-
-    0x81, 0x02, //     INPUT (Data,Var,Abs)
-    0x95, 0x01, //     REPORT_COUNT (1)
-    0x75, 0x05, //     REPORT_SIZE (5)
-    0x81, 0x01, //     INPUT (Cnst,Var,Abs)
-
-    0x05, 0x01, //     USAGE_PAGE (Generic Desktop)
-    0x09, 0x30, //     USAGE (X)
-    0x09, 0x31, //     USAGE (Y)
-    0x09, 0x38,
-
-    0x15, 0x81, //     LOGICAL_MINIMUM (-127)
-    0x25, 0x7F, //     LOGICAL_MAXIMUM (127)
-    0x75, 0x08, //     REPORT_SIZE (8)
-    0x95, 0x03, //     REPORT_COUNT (2)
-
-    0x81, 0x06, //     INPUT (Data,Var,Rel)
-    0xC0, 0x09,
-    0x3c, 0x05,
-    0xff, 0x09,
-
-    0x01, 0x15,
-    0x00, 0x25,
-    0x01, 0x75,
-    0x01, 0x95,
-
-    0x02, 0xb1,
-    0x22, 0x75,
-    0x06, 0x95,
-    0x01, 0xb1,
-
-    0x01, 0xc0 //   END_COLLECTION
-};
-
-/*!< mouse report struct */
-struct hid_mouse {
-    uint8_t buttons;
-    int8_t x;
-    int8_t y;
-    int8_t wheel;
-};
-
-/*!< class */
-static usbd_class_t hid_class;
-
-/*!< interface */
-static usbd_interface_t hid_intf;
-
-/*!< mouse report */
-static struct hid_mouse mouse_cfg;
-
-#define HID_STATE_IDLE 0
-#define HID_STATE_BUSY 1
-
-/*!< hid state ! Data can be sent only when state is idle  */
-uint8_t hid_state = HID_STATE_IDLE;
-
-/* function ------------------------------------------------------------------*/
-static void usbd_hid_int_callback(uint8_t ep)
-{
-    /*!< endpoint call back */
-    /*!< transfer successfully */
-    if (hid_state == HID_STATE_BUSY) {
-        /*!< update the state  */
-        hid_state = HID_STATE_IDLE;
-    }
-}
-
-/*!< endpoint call back */
-static usbd_endpoint_t hid_in_ep = {
-    .ep_cb = usbd_hid_int_callback,
-    .ep_addr = HID_INT_EP
-};
-
-/* function ------------------------------------------------------------------*/
-/**
-  * @brief            msc ram init
-  * @pre              none
-  * @param[in]        none
-  * @retval           none
-  */
-void hid_msc_descriptor_init(void)
-{
-    usbd_desc_register(hid_msc_descriptor);
-    usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
-    /*!< add interface */
-    usbd_hid_add_interface(&hid_class, &hid_intf);
-    /*!< interface add endpoint */
-    usbd_interface_add_endpoint(&hid_intf, &hid_in_ep);
-    /*!< register report descriptor */
-    usbd_hid_report_descriptor_register(1, hid_mouse_report_desc, HID_MOUSE_REPORT_DESC_SIZE);
-
-    /*!< init mouse report data */
-    mouse_cfg.buttons = 0;
-    mouse_cfg.wheel = 0;
-    mouse_cfg.x = 0;
-    mouse_cfg.y = 0;
-
-    usbd_initialize();
-}
-
-/**
-  * @brief            device send report to host
-  * @pre              none
-  * @param[in]        ep endpoint address
-  * @param[in]        data Points to the data buffer waiting to be sent
-  * @param[in]        len Length of data to be sent
-  * @retval           none
-  */
-void hid_mouse_send_report(uint8_t ep, uint8_t *data, uint8_t len)
-{
-    if (usb_device_is_configured()) {
-        if (hid_state == HID_STATE_IDLE) {
-            /*!< updata the state */
-            hid_state = HID_STATE_BUSY;
-            /*!< write buffer */
-            usbd_ep_write(ep, data, len, NULL);
-        }
-    }
-}
-
-/**
-  * @brief            hid mouse test
-  * @pre              none
-  * @param[in]        none
-  * @retval           none
-  */
-void hid_mouse_send_report_test(void)
-{
-    /*!< remove mouse pointer */
-    mouse_cfg.x += 10;
-    mouse_cfg.y = 0;
-    /*!< send repotr to host */
-    hid_mouse_send_report(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
-    /*!< delay 1000ms */
-}
diff --git a/demo/msc_ram_template.c b/demo/msc_ram_template.c
index 1240c15e..e6698158 100644
--- a/demo/msc_ram_template.c
+++ b/demo/msc_ram_template.c
@@ -89,6 +89,11 @@ const uint8_t msc_ram_descriptor[] = {
     0x00
 };
 
+void usbd_configure_done_callback(void)
+{
+    /* do nothing */
+}
+
 #define BLOCK_SIZE  512
 #define BLOCK_COUNT 10
 
diff --git a/demo/winusb1.0_template.c b/demo/winusb1.0_template.c
index 704f61de..b211e237 100644
--- a/demo/winusb1.0_template.c
+++ b/demo/winusb1.0_template.c
@@ -192,6 +192,12 @@ const uint8_t winusb_descriptor[] = {
 
 uint8_t read_buffer[2048];
 
+void usbd_configure_done_callback(void)
+{
+    /* setup first out ep read transfer */
+    usbd_ep_start_read(WINUSB_OUT_EP, read_buffer, 2048);
+}
+
 void usbd_winusb_out(uint8_t ep, uint32_t nbytes)
 {
 }