136 lines
4.1 KiB
C
136 lines
4.1 KiB
C
|
/* This file has been prepared for Doxygen automatic documentation generation.*/
|
||
|
|
/*! \file avr_flash.h *********************************************************
|
||
|
|
*
|
||
|
|
* \brief
|
||
|
|
* This file writes/reads to/from flash memory internal to the AVR.
|
||
|
|
*
|
||
|
|
* \addtogroup usbstick
|
||
|
|
*
|
||
|
|
* \author
|
||
|
|
* Colin O'Flynn <coflynn@newae.com>
|
||
|
|
******************************************************************************/
|
||
|
|
/*
|
||
|
|
Copyright (c) 2008 Colin O'Flynn
|
||
|
|
All rights reserved.
|
||
|
|
|
||
|
|
Redistribution and use in source and binary forms, with or without
|
||
|
|
modification, are permitted provided that the following conditions are met:
|
||
|
|
|
||
|
|
* Redistributions of source code must retain the above copyright
|
||
|
|
notice, this list of conditions and the following disclaimer.
|
||
|
|
* 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.
|
||
|
|
* Neither the name of the copyright holders nor the names of
|
||
|
|
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 OWNER 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.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
\addtogroup usbstorage
|
||
|
|
@{
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _DFMEM_H_
|
||
|
|
#define _DFMEM_H_
|
||
|
|
|
||
|
|
#include "conf_access.h"
|
||
|
|
#include "ctrl_status.h"
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//_____ D E F I N I T I O N S ______________________________________________
|
||
|
|
|
||
|
|
//! FAT specification
|
||
|
|
#define ENTRY_SIZE 32 // size of entrie in byte
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// First sector of the disk virtual (this disk isn't partitioned, only one partion)
|
||
|
|
#define PBR_SECTOR (0)
|
||
|
|
#define FAT_SECTOR (PBR_SECTOR + VMEM_RESERVED_SIZE)
|
||
|
|
#define ROOT_SECTOR (FAT_SECTOR + (VMEM_SIZE_FAT*VMEM_NB_FATS))
|
||
|
|
#define FILE_SECTOR (ROOT_SECTOR + ((ENTRY_SIZE*VMEM_NB_ROOT_ENTRY) / VMEM_SECTOR_SIZE)) // 1(sector) = size root dir
|
||
|
|
|
||
|
|
|
||
|
|
/* FAT Format Structure */
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
Uint16 nb_cylinder;
|
||
|
|
Byte nb_head;
|
||
|
|
Byte nb_sector;
|
||
|
|
Byte nb_hidden_sector;
|
||
|
|
Byte nb_sector_per_cluster;
|
||
|
|
} s_format;
|
||
|
|
|
||
|
|
#define MEM_BSY 0
|
||
|
|
#define MEM_OK 1
|
||
|
|
#define MEM_KO 2
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//---- CONTROL FONCTIONS ----
|
||
|
|
|
||
|
|
// those fonctions are declared in df_mem.h
|
||
|
|
void avrf_mem_init(void);
|
||
|
|
Ctrl_status avrf_test_unit_ready(void);
|
||
|
|
Ctrl_status avrf_read_capacity( U32 _MEM_TYPE_SLOW_ *u32_nb_sector );
|
||
|
|
Bool avrf_wr_protect(void);
|
||
|
|
Bool avrf_removal(void);
|
||
|
|
|
||
|
|
//---- AVR FLASH LOW-LEVEL----
|
||
|
|
|
||
|
|
|
||
|
|
bit avrf_init (void);
|
||
|
|
bit avrf_mem_check(void);
|
||
|
|
bit avrf_read_open (Uint32);
|
||
|
|
void avrf_read_close (void);
|
||
|
|
bit avrf_write_open (Uint32);
|
||
|
|
void avrf_write_close (void);
|
||
|
|
|
||
|
|
//! Funtions to link USB DEVICE flow with data flash
|
||
|
|
bit avrf_write_sector (Uint16);
|
||
|
|
bit avrf_read_sector (Uint16);
|
||
|
|
|
||
|
|
|
||
|
|
s_format * avrf_format (void);
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//---- ACCESS DATA FONCTIONS ----
|
||
|
|
|
||
|
|
// Standard functions for open in read/write mode the device
|
||
|
|
Ctrl_status avrf_read_10( U32 addr , U16 nb_sector );
|
||
|
|
Ctrl_status avrf_write_10( U32 addr , U16 nb_sector );
|
||
|
|
|
||
|
|
|
||
|
|
//** If your device transfer have a specific transfer for USB (Particularity of Chejudo product, or bootloader)
|
||
|
|
#ifdef DF_VALIDATION
|
||
|
|
#include "virtual_usb.h"
|
||
|
|
#else
|
||
|
|
#include "usb_drv.h" // In this case the driver must be known for the USB access
|
||
|
|
#endif
|
||
|
|
Ctrl_status avr_usb_read( void );
|
||
|
|
Ctrl_status avr_usb_write( void );
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _DFMEM_H_
|
||
|
|
|
||
|
|
/** @} */
|