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https://github.com/espressif/esp-idf.git
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645592e157
* USB tests migrated to pytest * Error messages improved * Configurable for different mock devices
197 lines
7.0 KiB
C
197 lines
7.0 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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This header contains bare-bone mock implementations of some device classes in order to test various layers of the USB
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Host stack.
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*/
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#pragma once
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#include <stdint.h>
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#include <stdbool.h>
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#include "esp_assert.h"
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#include "usb/usb_types_ch9.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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// ---------------------------------------------------- MSC SCSI -------------------------------------------------------
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extern const char *MSC_CLIENT_TAG;
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/*
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Note: The mock MSC SCSI tests requires that USB flash drive be connected. The flash drive should...
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- Be implement the Mass Storage class supporting BULK only transfers using SCSI commands
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- It's configuration 1 should have the following endpoints
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------------------ Configuration Descriptor -------------------
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bLength : 0x09 (9 bytes)
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bDescriptorType : 0x02 (Configuration Descriptor)
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wTotalLength : 0x0020 (32 bytes)
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bNumInterfaces : 0x01 (1 Interface)
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bConfigurationValue : 0x01 (Configuration 1)
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iConfiguration : 0x00 (No String Descriptor)
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bmAttributes : 0x80
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D7: Reserved, set 1 : 0x01
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D6: Self Powered : 0x00 (no)
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D5: Remote Wakeup : 0x00 (no)
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D4..0: Reserved, set 0 : 0x00
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MaxPower : 0x70 (224 mA)
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Data (HexDump) : 09 02 20 00 01 01 00 80 70 09 04 00 00 02 08 06
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50 00 07 05 81 02 00 02 00 07 05 02 02 00 02 00
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---------------- Interface Descriptor -----------------
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bLength : 0x09 (9 bytes)
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bDescriptorType : 0x04 (Interface Descriptor)
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bInterfaceNumber : 0x00
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bAlternateSetting : 0x00
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bNumEndpoints : 0x02 (2 Endpoints)
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bInterfaceClass : 0x08 (Mass Storage)
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bInterfaceSubClass : 0x06 (SCSI transparent command set)
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bInterfaceProtocol : 0x50 (Bulk-Only Transport)
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iInterface : 0x00 (No String Descriptor)
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Data (HexDump) : 09 04 00 00 02 08 06 50 00
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----------------- Endpoint Descriptor -----------------
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bLength : 0x07 (7 bytes)
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bDescriptorType : 0x05 (Endpoint Descriptor)
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bEndpointAddress : 0x81 (Direction=IN EndpointID=1)
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bmAttributes : 0x02 (TransferType=Bulk)
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wMaxPacketSize : 0x0040 (max 64 bytes)
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bInterval : 0x00 (never NAKs)
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Data (HexDump) : 07 05 81 02 40 00 00
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----------------- Endpoint Descriptor -----------------
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bLength : 0x07 (7 bytes)
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bDescriptorType : 0x05 (Endpoint Descriptor)
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bEndpointAddress : 0x02 (Direction=OUT EndpointID=2)
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bmAttributes : 0x02 (TransferType=Bulk)
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wMaxPacketSize : 0x0040 (max 64 bytes)
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bInterval : 0x00 (never NAKs)
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Data (HexDump) : 07 05 02 02 40 00 00
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If you're using a flash driver with different endpoints, modify the endpoint descriptors below.
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*/
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//Constant descriptors
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extern const usb_device_desc_t mock_msc_scsi_dev_desc;
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extern uint8_t mock_msc_scsi_config_desc[255];
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extern uint16_t mock_msc_scsi_str_desc_manu[128];
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extern uint16_t mock_msc_scsi_str_desc_prod[128];
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extern uint16_t mock_msc_scsi_str_desc_ser_num[128];
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extern const usb_ep_desc_t mock_msc_scsi_bulk_out_ep_desc;
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extern const usb_ep_desc_t mock_msc_scsi_bulk_in_ep_desc;
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#define MOCK_MSC_SCSI_DEV_ID_VENDOR 0x0781 // Western Digital, Sandisk
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#define MOCK_MSC_SCSI_DEV_ID_PRODUCT 0x5595
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#define MOCK_MSC_SCSI_DEV_VERSION 0x0100 //1.00
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#define MOCK_MSC_SCSI_USB_VERSION 0x0210 //2.10
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#define MOCK_MSC_SCSI_DEV_DFLT_EP_MPS 64
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#define MOCK_MSC_SCSI_SECTOR_SIZE 512
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#define MOCK_MSC_SCSI_LUN 0
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#define MOCK_MSC_SCSI_INTF_NUMBER 0
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#define MOCK_MSC_SCSI_INTF_ALT_SETTING 0
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#define MOCK_MSC_SCSI_BULK_OUT_EP_ADDR 0x02
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#define MOCK_MSC_SCSI_BULK_IN_EP_ADDR 0x81
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#define MOCK_MSC_SCSI_BULK_EP_MPS 64
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#define MOCK_MSC_SCSI_STRING_1 (" USB")
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#define MOCK_MSC_SCSI_STRING_2 (" SanDisk 3.2Gen1")
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#define MOCK_MSC_SCSI_STRING_3 ("0101cdd1e856b427bbb796f870561a4b2b817af9da9872c8d75217cccdd5d5eccb3a0000000000000000000096abe1a3ff83610095558107aea948b4") // This string is NOT checked by the enum test
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#define MOCK_MSC_SCSI_REQ_INIT_RESET(setup_pkt_ptr, intf_num) ({ \
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(setup_pkt_ptr)->bmRequestType = USB_BM_REQUEST_TYPE_DIR_OUT | USB_BM_REQUEST_TYPE_TYPE_CLASS | USB_BM_REQUEST_TYPE_RECIP_INTERFACE; \
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(setup_pkt_ptr)->bRequest = 0xFF; \
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(setup_pkt_ptr)->wValue = 0; \
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(setup_pkt_ptr)->wIndex = (intf_num); \
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(setup_pkt_ptr)->wLength = 0; \
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})
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typedef struct __attribute__((packed)) {
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uint8_t opcode; //0x28 = read(10), 0x2A=write(10)
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uint8_t flags;
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uint8_t lba_3;
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uint8_t lba_2;
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uint8_t lba_1;
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uint8_t lba_0;
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uint8_t group;
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uint8_t len_1;
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uint8_t len_0;
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uint8_t control;
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} mock_scsi_cmd10_t;
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typedef struct __attribute__((packed)) {
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uint32_t dCBWSignature;
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uint32_t dCBWTag;
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uint32_t dCBWDataTransferLength;
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uint8_t bmCBWFlags;
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uint8_t bCBWLUN;
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uint8_t bCBWCBLength;
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mock_scsi_cmd10_t CBWCB;
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uint8_t padding[6];
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} mock_msc_bulk_cbw_t;
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// USB Bulk Transfer Command Status Wrapper data
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typedef struct __attribute__((packed)) {
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uint32_t dCSWSignature;
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uint32_t dCSWTag;
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uint32_t dCSWDataResidue;
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uint8_t bCSWStatus;
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} mock_msc_bulk_csw_t;
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/**
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* @brief Initialize a MSC Command Block Wrapper (CBW) as an SCSI command
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*
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* @param cbw CBW structure
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* @param is_read Is a read command
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* @param offset Block offset
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* @param num_sectors Number of sectors to read
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* @param tag Tag (this is simply echoed back
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*/
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void mock_msc_scsi_init_cbw(mock_msc_bulk_cbw_t *cbw, bool is_read, int offset, int num_sectors, uint32_t tag);
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/**
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* @brief Check that returned Command Status Wrapper (CSW) is valid
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*
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* @param csw CSW structure
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* @param tag_expect Expected tag
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* @return true CSW is valid
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* @return false CSW is not valid
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*/
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bool mock_msc_scsi_check_csw(mock_msc_bulk_csw_t *csw, uint32_t tag_expect);
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/**
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* @brief Construct configuration and string descriptors
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*/
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void mock_msc_scsi_init_reference_descriptors(void);
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// ---------------------------------------------------- Mock ISOC ------------------------------------------------------
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/*
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Note: ISOC test rely on communicating with a non existent endpoint using ISOC OUT transfers. Since no ACK is given for
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ISOC, transferring to a non-existent endpoint should work. The non-existent endpoint descriptor is described below:
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*/
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#define MOCK_ISOC_EP_NUM 2
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#define MOCK_ISOC_EP_MPS 512
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static const usb_ep_desc_t mock_isoc_out_ep_desc = {
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.bLength = sizeof(usb_ep_desc_t),
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.bDescriptorType = USB_B_DESCRIPTOR_TYPE_ENDPOINT,
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.bEndpointAddress = MOCK_ISOC_EP_NUM,
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.bmAttributes = USB_BM_ATTRIBUTES_XFER_ISOC,
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.wMaxPacketSize = MOCK_ISOC_EP_MPS, //MPS of 512 bytes
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.bInterval = 1, //Isoc interval is (2 ^ (bInterval - 1)) which means an interval of 1ms
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};
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#ifdef __cplusplus
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}
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#endif
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