168 lines
5.1 KiB
C
168 lines
5.1 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*-*
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* @file usb_msc.h
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* @brief USB Mass Storage Class header.
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*
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* @addtogroup USB_MSC
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* @{
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*/
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#ifndef _USB_MSC_H_
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#define _USB_MSC_H_
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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#define MSC_CBW_SIGNATURE 0x43425355
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#define MSC_CSW_SIGNATURE 0x53425355
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#define MSC_GET_MAX_LUN_COMMAND 0xFE
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#define MSC_MASS_STORAGE_RESET_COMMAND 0xFF
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#define MSC_CSW_STATUS_PASSED 0
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#define MSC_CSW_STATUS_FAILED 1
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#define MSC_CSW_STATUS_PHASE_ERROR 2
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#define SCSI_FORMAT_UNIT 0x04
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#define SCSI_INQUIRY 0x12
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#define SCSI_MODE_SELECT6 0x15
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#define SCSI_MODE_SELECT10 0x55
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#define SCSI_MODE_SENSE6 0x1A
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#define SCSI_MODE_SENSE10 0x5A
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#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1E
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#define SCSI_READ6 0x08
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#define SCSI_READ10 0x28
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#define SCSI_READ12 0xA8
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#define SCSI_READ16 0x88
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#define SCSI_READ_CAPACITY10 0x25
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#define SCSI_READ_CAPACITY16 0x9E
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#define SCSI_REQUEST_SENSE 0x03
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#define SCSI_START_STOP_UNIT 0x1B
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#define SCSI_TEST_UNIT_READY 0x00
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#define SCSI_WRITE6 0x0A
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#define SCSI_WRITE10 0x2A
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#define SCSI_WRITE12 0xAA
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#define SCSI_WRITE16 0x8A
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#define SCSI_VERIFY10 0x2F
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#define SCSI_VERIFY12 0xAF
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#define SCSI_VERIFY16 0x8F
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#define SCSI_SEND_DIAGNOSTIC 0x1D
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#define SCSI_READ_FORMAT_CAPACITIES 0x23
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/*===========================================================================*/
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/* Driver pre-compile time settings. */
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/*===========================================================================*/
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/**
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* @brief Endpoint number for bulk IN.
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*/
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#if !defined(MSC_DATA_IN_EP) || defined(__DOXYGEN__)
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#define MSC_DATA_IN_EP 1
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#endif
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/**
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* @brief Endpoint number for bulk OUT.
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*/
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#if !defined(MSC_DATA_OUT_EP) || defined(__DOXYGEN__)
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#define MSC_DATA_OUT_EP 2
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#endif
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/*===========================================================================*/
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/* Derived constants and error checks. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver data structures and types. */
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/*===========================================================================*/
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/**
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* @brief Type of the MSC possible states.
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*/
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typedef enum {
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MSC_IDLE = 0,
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MSC_DATA_OUT,
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MSC_DATA_IN,
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MSC_SENDING_CSW,
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MSC_ERROR
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} mscstate_t;
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/**
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* @brief CBW structure.
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*/
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struct CBW {
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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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uint8_t CBWCB[16];
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};
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/**
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* @brief CSW structure.
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*/
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struct CSW {
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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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};
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/**
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* @brief Type of a CBW structure.
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*/
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typedef struct CBW msccbw_t;
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/**
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* @brief Type of a CSW structure.
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*/
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typedef struct CSW msccsw_t;
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/*===========================================================================*/
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/* Driver macros. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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bool_t mscRequestsHook(USBDriver *usbp);
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void mscDataTransmitted(USBDriver *usbp, usbep_t ep);
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void mscDataReceived(USBDriver *usbp, usbep_t ep);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _USB_MSC_H_ */
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/** @} */
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