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/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*-*
* @file usb_msc.h
* @brief USB Mass Storage Class header.
*
* @addtogroup USB_MSC
* @{
*/
#ifndef _USB_MSC_H_
#define _USB_MSC_H_
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
#define MSC_CBW_SIGNATURE 0x43425355
#define MSC_CSW_SIGNATURE 0x53425355
#define MSC_GET_MAX_LUN_COMMAND 0xFE
#define MSC_MASS_STORAGE_RESET_COMMAND 0xFF
#define MSC_CSW_STATUS_PASSED 0
#define MSC_CSW_STATUS_FAILED 1
#define MSC_CSW_STATUS_PHASE_ERROR 2
#define SCSI_FORMAT_UNIT 0x04
#define SCSI_INQUIRY 0x12
#define SCSI_MODE_SELECT6 0x15
#define SCSI_MODE_SELECT10 0x55
#define SCSI_MODE_SENSE6 0x1A
#define SCSI_MODE_SENSE10 0x5A
#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1E
#define SCSI_READ6 0x08
#define SCSI_READ10 0x28
#define SCSI_READ12 0xA8
#define SCSI_READ16 0x88
#define SCSI_READ_CAPACITY10 0x25
#define SCSI_READ_CAPACITY16 0x9E
#define SCSI_REQUEST_SENSE 0x03
#define SCSI_START_STOP_UNIT 0x1B
#define SCSI_TEST_UNIT_READY 0x00
#define SCSI_WRITE6 0x0A
#define SCSI_WRITE10 0x2A
#define SCSI_WRITE12 0xAA
#define SCSI_WRITE16 0x8A
#define SCSI_VERIFY10 0x2F
#define SCSI_VERIFY12 0xAF
#define SCSI_VERIFY16 0x8F
#define SCSI_SEND_DIAGNOSTIC 0x1D
#define SCSI_READ_FORMAT_CAPACITIES 0x23
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @brief Endpoint number for bulk IN.
*/
#if !defined(MSC_DATA_IN_EP) || defined(__DOXYGEN__)
#define MSC_DATA_IN_EP 1
#endif
/**
* @brief Endpoint number for bulk OUT.
*/
#if !defined(MSC_DATA_OUT_EP) || defined(__DOXYGEN__)
#define MSC_DATA_OUT_EP 2
#endif
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Type of the MSC possible states.
*/
typedef enum {
MSC_IDLE = 0,
MSC_DATA_OUT,
MSC_DATA_IN,
MSC_SENDING_CSW,
MSC_ERROR
} mscstate_t;
/**
* @brief CBW structure.
*/
struct CBW {
uint32_t dCBWSignature;
uint32_t dCBWTag;
uint32_t dCBWDataTransferLength;
uint8_t bmCBWFlags;
uint8_t bCBWLUN;
uint8_t bCBWCBLength;
uint8_t CBWCB[16];
};
/**
* @brief CSW structure.
*/
struct CSW {
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint8_t bCSWStatus;
};
/**
* @brief Type of a CBW structure.
*/
typedef struct CBW msccbw_t;
/**
* @brief Type of a CSW structure.
*/
typedef struct CSW msccsw_t;
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
bool_t mscRequestsHook(USBDriver *usbp);
void mscDataTransmitted(USBDriver *usbp, usbep_t ep);
void mscDataReceived(USBDriver *usbp, usbep_t ep);
#ifdef __cplusplus
}
#endif
#endif /* _USB_MSC_H_ */
/** @} */
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