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