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components/libraries/usbd/class/msc/app_usbd_msc_desc.h

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+/**
+ * Copyright (c) 2016 - 2020, Nordic Semiconductor ASA
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form, except as embedded into a Nordic
+ *    Semiconductor ASA integrated circuit in a product or a software update for
+ *    such product, must reproduce the above copyright notice, this list of
+ *    conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * 3. Neither the name of Nordic Semiconductor ASA nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * 4. This software, with or without modification, must only be used with a
+ *    Nordic Semiconductor ASA integrated circuit.
+ *
+ * 5. Any software provided in binary form under this license must not be reverse
+ *    engineered, decompiled, modified and/or disassembled.
+ *
+ * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+#ifndef APP_USBD_MSC_DESC_H__
+#define APP_USBD_MSC_DESC_H__
+
+#include "app_usbd_descriptor.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup app_usbd_msc_desc USB MSC descriptors
+ * @ingroup app_usbd_msc
+ *
+ * @brief @tagAPI52840 Descriptors for the USB MSC class.
+ * @{
+ */
+
+/**
+ * @brief Initializer of interface descriptor for MSC class.
+ *
+ * @param interface_number Interface number.
+ * @param subclass         Subclass, @ref app_usbd_msc_subclass_t
+ * @param protocol         Protocol, @ref app_usbd_msc_protocol_t
+ * */
+#define APP_USBD_MSC_INTERFACE_DSC(interface_number, subclass, protocol)                \
+    /*.bLength =            */ sizeof(app_usbd_descriptor_iface_t),                     \
+    /*.bDescriptorType =    */ APP_USBD_DESCRIPTOR_INTERFACE,                           \
+    /*.bInterfaceNumber =   */ interface_number,                                        \
+    /*.bAlternateSetting =  */ 0x00,                                                    \
+    /*.bNumEndpoints =      */ 2,                                                       \
+    /*.bInterfaceClass =    */ APP_USBD_MSC_CLASS,                                      \
+    /*.bInterfaceSubClass = */ subclass,                                                \
+    /*.bInterfaceProtocol = */ protocol,                                                \
+    /*.iInterface = 0,      */ 0x00,                                                    \
+
+
+/**
+ * @brief Initializer of endpoint descriptors for MSC class.
+ *
+ * @param endpoint_in   IN endpoint.
+ * @param endpoint_out  OUT endpoint.
+ * @param ep_size       Endpoint size.
+ * */
+#define APP_USBD_MSC_EP_DSC(endpoint_in, endpoint_out, ep_size)               \
+    /*.bLength =          */ sizeof(app_usbd_descriptor_ep_t),                \
+    /*.bDescriptorType =  */ APP_USBD_DESCRIPTOR_ENDPOINT,                    \
+    /*.bEndpointAddress = */ endpoint_in,                                     \
+    /*.bmAttributes =     */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK,           \
+    /*.wMaxPacketSize =   */ APP_USBD_U16_TO_RAW_DSC(ep_size),                \
+    /*.bInterval =        */ 0,                                               \
+    /*.bLength =          */ sizeof(app_usbd_descriptor_ep_t),                \
+    /*.bDescriptorType =  */ APP_USBD_DESCRIPTOR_ENDPOINT,                    \
+    /*.bEndpointAddress = */ endpoint_out,                                    \
+    /*.bmAttributes =     */ APP_USBD_DESCRIPTOR_EP_ATTR_TYPE_BULK,           \
+    /*.wMaxPacketSize =   */ APP_USBD_U16_TO_RAW_DSC(ep_size),                \
+    /*.bInterval =        */ 0,                                               \
+
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* APP_USBD_MSC_DESC_H__ */