kopia lustrzana https://github.com/espressif/esp-idf
65 wiersze
2.3 KiB
C
65 wiersze
2.3 KiB
C
/*
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* SPDX-FileCopyrightText: 2015-2024 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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#include <inttypes.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <string.h>
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#include "usb/usb_types_ch9.h"
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#include "mock_msc.h"
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// ---------------------------------------------------- MSC SCSI -------------------------------------------------------
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const char *MSC_CLIENT_TAG = "MSC Client";
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void mock_msc_scsi_init_cbw(mock_msc_bulk_cbw_t *cbw,
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bool is_read,
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unsigned int offset,
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unsigned int num_sectors,
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unsigned int sector_size,
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uint32_t tag)
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{
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cbw->dCBWSignature = 0x43425355; // Fixed value
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cbw->dCBWTag = tag; // Random value that is echoed back
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cbw->dCBWDataTransferLength = num_sectors * sector_size;
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cbw->bmCBWFlags = (is_read) ? (1 << 7) : 0; // If this is a read, set the direction flag
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cbw->bCBWLUN = 0;
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cbw->bCBWCBLength = 10; // The length of the SCSI command
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// Initialize SCSI CMD as READ10 or WRITE 10
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cbw->CBWCB.opcode = (is_read) ? 0x28 : 0x2A; // SCSI CMD READ10 or WRITE10
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cbw->CBWCB.flags = 0;
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cbw->CBWCB.lba_3 = (offset >> 24);
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cbw->CBWCB.lba_2 = (offset >> 16);
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cbw->CBWCB.lba_1 = (offset >> 8);
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cbw->CBWCB.lba_0 = (offset >> 0);
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cbw->CBWCB.group = 0;
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cbw->CBWCB.len_1 = (num_sectors >> 8);
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cbw->CBWCB.len_0 = (num_sectors >> 0);
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cbw->CBWCB.control = 0;
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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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bool no_issues = true;
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if (csw->dCSWSignature != 0x53425355) {
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no_issues = false;
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printf("Warning: csw signature corrupt (0x%"PRIX32")\n", csw->dCSWSignature);
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}
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if (csw->dCSWTag != tag_expect) {
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no_issues = false;
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printf("Warning: csw tag unexpected! Expected %"PRIu32" got %"PRIu32"\n", tag_expect, csw->dCSWTag);
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}
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if (csw->dCSWDataResidue) {
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no_issues = false;
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printf("Warning: csw indicates data residue of %"PRIu32" bytes!\n", csw->dCSWDataResidue);
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}
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if (csw->bCSWStatus) {
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no_issues = false;
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printf("Warning: csw indicates non-good status %d!\n", csw->bCSWStatus);
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}
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return no_issues;
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}
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