4314be9aeb
- replace CFG_TUD_MSC_BLOCK_NUM & CFG_TUD_MSC_BLOCK_SZ by tud_msc_capacity_cb() (mandatory callback)
117 lines
4.0 KiB
C
117 lines
4.0 KiB
C
/**************************************************************************/
|
|
/*!
|
|
@file msc_app.c
|
|
@author hathach (tinyusb.org)
|
|
|
|
@section LICENSE
|
|
|
|
Software License Agreement (BSD License)
|
|
|
|
Copyright (c) 2013, hathach (tinyusb.org)
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are met:
|
|
1. Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
2. 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.
|
|
3. Neither the name of the copyright holders 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 ''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 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.
|
|
|
|
This file is part of the tinyusb stack.
|
|
*/
|
|
/**************************************************************************/
|
|
|
|
#include "bsp/board.h"
|
|
#include "tusb.h"
|
|
|
|
#if CFG_TUD_MSC
|
|
|
|
//--------------------------------------------------------------------+
|
|
// MACRO CONSTANT TYPEDEF
|
|
//--------------------------------------------------------------------+
|
|
|
|
//--------------------------------------------------------------------+
|
|
// tinyusb callbacks
|
|
//--------------------------------------------------------------------+
|
|
|
|
// Callback invoked when received an SCSI command not in built-in list below
|
|
// - READ_CAPACITY10, READ_FORMAT_CAPACITY, INQUIRY, MODE_SENSE6, REQUEST_SENSE
|
|
// - READ10 and WRITE10 has their own callbacks
|
|
int32_t tud_msc_scsi_cb (uint8_t lun, uint8_t const scsi_cmd[16], void* buffer, uint16_t bufsize)
|
|
{
|
|
// read10 & write10 has their own callback and MUST not be handled here
|
|
|
|
void const* response = NULL;
|
|
uint16_t resplen = 0;
|
|
|
|
// most scsi handled is input
|
|
bool in_xfer = true;
|
|
|
|
switch (scsi_cmd[0])
|
|
{
|
|
case SCSI_CMD_TEST_UNIT_READY:
|
|
// Command that host uses to check our readiness before sending other commands
|
|
resplen = 0;
|
|
break;
|
|
|
|
case SCSI_CMD_PREVENT_ALLOW_MEDIUM_REMOVAL:
|
|
// Host is about to read/write etc ... better not to disconnect disk
|
|
resplen = 0;
|
|
break;
|
|
|
|
case SCSI_CMD_START_STOP_UNIT:
|
|
// Host try to eject/safe remove/poweroff us. We could safely disconnect with disk storage, or go into lower power
|
|
/* scsi_start_stop_unit_t const * start_stop = (scsi_start_stop_unit_t const *) scsi_cmd;
|
|
// Start bit = 0 : low power mode, if load_eject = 1 : unmount disk storage as well
|
|
// Start bit = 1 : Ready mode, if load_eject = 1 : mount disk storage
|
|
start_stop->start;
|
|
start_stop->load_eject;
|
|
*/
|
|
resplen = 0;
|
|
break;
|
|
|
|
|
|
default:
|
|
// Set Sense = Invalid Command Operation
|
|
tud_msc_set_sense(lun, SCSI_SENSE_ILLEGAL_REQUEST, 0x20, 0x00);
|
|
|
|
// negative means error -> tinyusb could stall and/or response with failed status
|
|
resplen = -1;
|
|
break;
|
|
}
|
|
|
|
// return resplen must not larger than bufsize
|
|
if ( resplen > bufsize ) resplen = bufsize;
|
|
|
|
if ( response && (resplen > 0) )
|
|
{
|
|
if(in_xfer)
|
|
{
|
|
memcpy(buffer, response, resplen);
|
|
}else
|
|
{
|
|
// SCSI output
|
|
}
|
|
}
|
|
|
|
return resplen;
|
|
}
|
|
|
|
|
|
#endif
|