disk.h
/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef __USB_DISK_H__
#define __USB_DISK_H__ 1
#include "usb_device_config.h"
#include "usb.h"
#include "usb_device.h"
#include "usb_device_class.h"
#include "usb_device_msc.h"
#include "usb_device_ch9.h"
#include "usb_descriptor.h"
#include "flash/fsl_flash.h"
#include "executable_image.h"
/*******************************************************************************
* Definitions
******************************************************************************/
#if defined(USB_DEVICE_CONFIG_EHCI) && (USB_DEVICE_CONFIG_EHCI > 0)
#define CONTROLLER_ID kUSB_ControllerEhci0
#endif
#if defined(USB_DEVICE_CONFIG_KHCI) && (USB_DEVICE_CONFIG_KHCI > 0)
#define CONTROLLER_ID kUSB_ControllerKhci0
#endif
#define USB_DEVICE_INTERRUPT_PRIORITY (4)
/* Length of Each Logical Address Block */
#define LENGTH_OF_EACH_LBA (512)
/* total number of logical blocks present */
#define TOTAL_LOGICAL_ADDRESS_BLOCKS_NORMAL (48)
/* Net Disk Size , default disk is 48*512, that is 24kByte, however , the disk reconnised by that PC only has 4k Byte,
* This is caused by that the file system also need memory*/
#define DISK_SIZE_NORMAL (TOTAL_LOGICAL_ADDRESS_BLOCKS_NORMAL * LENGTH_OF_EACH_LBA)
#define LOGICAL_UNIT_SUPPORTED (1U)
#define USB_DEVICE_MSC_WRITE_BUFF_NUM 2
#define USB_DEVICE_MSC_WRITE_BUFF_SIZE 512
#define USB_DEVICE_MSC_READ_BUFF_SIZE 512
#define MSD_FLASH_BASE IMAGE_START_ADDRESS
// Program Flash block information
#define P_FLASH_BASE 0x00000000
#define P_FLASH_SIZE (FSL_FEATURE_FLASH_PFLASH_BLOCK_SIZE * FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT)
#define P_BLOCK_NUM FSL_FEATURE_FLASH_PFLASH_BLOCK_COUNT
#define P_SECTOR_SIZE FSL_FEATURE_FLASH_PFLASH_BLOCK_SECTOR_SIZE
typedef struct _usb_msc_struct
{
usb_device_handle deviceHandle;
class_handle_t mscHandle;
uint8_t storageDisk[DISK_SIZE_NORMAL];
uint8_t diskLock;
uint8_t read_write_error;
uint8_t currentConfiguration;
uint8_t currentInterfaceAlternateSetting[USB_MSC_INTERFACE_COUNT];
uint8_t speed;
uint8_t attach;
} usb_msc_struct_t;
extern flash_config_t s_flashInstance;
/*******************************************************************************
* API
******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif /* __cplusplus */
void disk_init(void);
#if defined(__cplusplus)
}
#endif /* __cplusplus */
#endif
usb_msc_struct_t
Definition: msc_disk.h:185
flash_config_t
Flash driver state information.
Definition: src/drivers/flash/fsl_flash.h:443