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middlewares/usbd_class/msc/msc_bot_scsi.c Normal file
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/**
**************************************************************************
* @file msc_bot_scsi.c
* @version v2.0.0
* @date 2021-11-26
* @brief usb mass storage bulk-only transport and scsi command
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "msc_bot_scsi.h"
#include "msc_diskio.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @defgroup USB_msc_bot_scsi
* @brief usb device class mass storage demo
* @{
*/
/** @defgroup USB_msc_bot_functions
* @{
*/
msc_type msc_struct;
cbw_type cbw_struct;
csw_type csw_struct =
{
CSW_DCSWSIGNATURE,
0x00,
0x00,
CSW_BCSWSTATUS_PASS,
};
uint8_t page00_inquiry_data[] = {
0x00,
0x00,
0x00,
0x00,
0x00,
};
sense_type sense_data =
{
0x70,
0x00,
SENSE_KEY_ILLEGAL_REQUEST,
0x00000000,
0x0A,
0x00000000,
0x20,
0x00,
0x00000000
};
uint8_t mode_sense6_data[8] =
{
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
uint8_t mode_sense10_data[8] =
{
0x00,
0x06,
0x00,
0x00,
0x00,
0x00,
0x00,
0x00
};
/**
* @brief initialize bulk-only transport and scsi
* @param udev: to the structure of usbd_core_type
* @retval none
*/
void bot_scsi_init(void *udev)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_struct.msc_state = MSC_STATE_MACHINE_IDLE;
msc_struct.bot_status = MSC_BOT_STATE_IDLE;
msc_struct.max_lun = MSC_SUPPORT_MAX_LUN - 1;
usb_flush_tx_fifo(pudev->usb_reg, USBD_MSC_BULK_IN_EPT&0x7F);
/* set out endpoint to receive status */
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT, (uint8_t *)&cbw_struct, CBW_CMD_LENGTH);
}
/**
* @brief reset bulk-only transport and scsi
* @param udev: to the structure of usbd_core_type
* @retval none
*/
void bot_scsi_reset(void *udev)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
msc_struct.msc_state = MSC_STATE_MACHINE_IDLE;
msc_struct.bot_status = MSC_BOT_STATE_RECOVERY;
msc_struct.max_lun = MSC_SUPPORT_MAX_LUN - 1;
usb_flush_tx_fifo(pudev->usb_reg, USBD_MSC_BULK_IN_EPT&0x7F);
/* set out endpoint to receive status */
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT, (uint8_t *)&cbw_struct, CBW_CMD_LENGTH);
}
/**
* @brief bulk-only transport data in handler
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval none
*/
void bot_scsi_datain_handler(void *udev, uint8_t ept_num)
{
switch(msc_struct.msc_state)
{
case MSC_STATE_MACHINE_DATA_IN:
if(bot_scsi_cmd_process(udev) != USB_OK)
{
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_FAILED);
}
break;
case MSC_STATE_MACHINE_LAST_DATA:
case MSC_STATE_MACHINE_SEND_DATA:
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_PASS);
break;
default:
break;
}
}
/**
* @brief bulk-only transport data out handler
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval none
*/
void bot_scsi_dataout_handler(void *udev, uint8_t ept_num)
{
switch(msc_struct.msc_state)
{
case MSC_STATE_MACHINE_IDLE:
bot_cbw_decode(udev);
break;
case MSC_STATE_MACHINE_DATA_OUT:
if(bot_scsi_cmd_process(udev) != USB_OK)
{
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_FAILED);
}
break;
}
}
/**
* @brief bulk-only cbw decode
* @param udev: to the structure of usbd_core_type
* @retval none
*/
void bot_cbw_decode(void *udev)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
csw_struct.dCSWTag = cbw_struct.dCBWTage;
csw_struct.dCSWDataResidue = cbw_struct.dCBWDataTransferLength;
/* check param */
if((cbw_struct.dCBWSignature != CBW_DCBWSIGNATURE) ||
(usbd_get_recv_len(pudev, USBD_MSC_BULK_OUT_EPT) != CBW_CMD_LENGTH)
|| (cbw_struct.bCBWLUN > MSC_SUPPORT_MAX_LUN) ||
(cbw_struct.bCBWCBLength < 1) || (cbw_struct.bCBWCBLength > 16))
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
msc_struct.bot_status = MSC_BOT_STATE_ERROR;
bot_scsi_stall(udev);
}
else
{
if(bot_scsi_cmd_process(udev) != USB_OK)
{
bot_scsi_stall(udev);
}
else if((msc_struct.msc_state != MSC_STATE_MACHINE_DATA_IN) &&
(msc_struct.msc_state != MSC_STATE_MACHINE_DATA_OUT) &&
(msc_struct.msc_state != MSC_STATE_MACHINE_LAST_DATA))
{
if(msc_struct.data_len == 0)
{
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_PASS);
}
else if(msc_struct.data_len > 0)
{
bot_scsi_send_data(udev, msc_struct.data, msc_struct.data_len);
}
}
}
}
/**
* @brief send bot data
* @param udev: to the structure of usbd_core_type
* @param buffer: data buffer
* @param len: data len
* @retval none
*/
void bot_scsi_send_data(void *udev, uint8_t *buffer, uint32_t len)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t data_len = MIN(len, cbw_struct.dCBWDataTransferLength);
csw_struct.dCSWDataResidue -= data_len;
csw_struct.bCSWStatus = CSW_BCSWSTATUS_PASS;
msc_struct.msc_state = MSC_STATE_MACHINE_SEND_DATA;
usbd_ept_send(pudev, USBD_MSC_BULK_IN_EPT,
buffer, data_len);
}
/**
* @brief send command status
* @param udev: to the structure of usbd_core_type
* @param status: csw status
* @retval none
*/
void bot_scsi_send_csw(void *udev, uint8_t status)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
csw_struct.bCSWStatus = status;
csw_struct.dCSWSignature = CSW_DCSWSIGNATURE;
msc_struct.msc_state = MSC_STATE_MACHINE_IDLE;
usbd_ept_send(pudev, USBD_MSC_BULK_IN_EPT,
(uint8_t *)&csw_struct, CSW_CMD_LENGTH);
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT,
(uint8_t *)&cbw_struct, CBW_CMD_LENGTH);
}
/**
* @brief send scsi sense code
* @param udev: to the structure of usbd_core_type
* @param sense_key: sense key
* @param asc: asc
* @retval none
*/
void bot_scsi_sense_code(void *udev, uint8_t sense_key, uint8_t asc)
{
sense_data.sense_key = sense_key;
sense_data.asc = asc;
}
/**
* @brief check address
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @param blk_offset: blk offset address
* @param blk_count: blk number
* @retval usb_sts_type
*/
usb_sts_type bot_scsi_check_address(void *udev, uint8_t lun, uint32_t blk_offset, uint32_t blk_count)
{
if((blk_offset + blk_count) > msc_struct.blk_nbr[lun])
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, ADDRESS_OUT_OF_RANGE);
return USB_FAIL;
}
return USB_OK;
}
/**
* @brief bot endpoint stall
* @param udev: to the structure of usbd_core_type
* @retval none
*/
void bot_scsi_stall(void *udev)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
if((cbw_struct.dCBWDataTransferLength != 0) &&
(cbw_struct.bmCBWFlags == 0) &&
msc_struct.bot_status == MSC_BOT_STATE_IDLE)
{
usbd_set_stall(pudev, USBD_MSC_BULK_OUT_EPT);
}
usbd_set_stall(pudev, USBD_MSC_BULK_IN_EPT);
if(msc_struct.bot_status == MSC_BOT_STATE_ERROR)
{
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT,
(uint8_t *)&cbw_struct, CBW_CMD_LENGTH);
}
}
/**
* @brief bulk-only transport scsi command test unit
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_test_unit(void *udev, uint8_t lun)
{
usb_sts_type status = USB_OK;
if(cbw_struct.dCBWDataTransferLength != 0)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
return USB_FAIL;
}
msc_struct.data_len = 0;
return status;
}
/**
* @brief bulk-only transport scsi command inquiry
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_inquiry(void *udev, uint8_t lun)
{
uint8_t *pdata;
uint32_t trans_len = 0;
usb_sts_type status = USB_OK;
if(cbw_struct.CBWCB[1] & 0x01)
{
pdata = page00_inquiry_data;
trans_len = 5;
}
else
{
pdata = get_inquiry(lun);
if(cbw_struct.dCBWDataTransferLength < SCSI_INQUIRY_DATA_LENGTH)
{
trans_len = cbw_struct.dCBWDataTransferLength;
}
else
{
trans_len = SCSI_INQUIRY_DATA_LENGTH;
}
}
msc_struct.data_len = trans_len;
while(trans_len)
{
trans_len --;
msc_struct.data[trans_len] = pdata[trans_len];
}
return status;
}
/**
* @brief bulk-only transport scsi command start stop
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_start_stop(void *udev, uint8_t lun)
{
msc_struct.data_len = 0;
return USB_OK;
}
/**
* @brief bulk-only transport scsi command meidum removal
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_allow_medium_removal(void *udev, uint8_t lun)
{
msc_struct.data_len = 0;
return USB_OK;
}
/**
* @brief bulk-only transport scsi command mode sense6
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_mode_sense6(void *udev, uint8_t lun)
{
uint8_t data_len = 8;
msc_struct.data_len = 8;
while(data_len)
{
data_len --;
msc_struct.data[data_len] = mode_sense6_data[data_len];
};
return USB_OK;
}
/**
* @brief bulk-only transport scsi command mode sense10
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_mode_sense10(void *udev, uint8_t lun)
{
uint8_t data_len = 8;
msc_struct.data_len = 8;
while(data_len)
{
data_len --;
msc_struct.data[data_len] = mode_sense10_data[data_len];
};
return USB_OK;
}
/**
* @brief bulk-only transport scsi command capacity
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_capacity(void *udev, uint8_t lun)
{
uint8_t *pdata = msc_struct.data;
msc_disk_capacity(lun, &msc_struct.blk_nbr[lun], &msc_struct.blk_size[lun]);
pdata[0] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 24);
pdata[1] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 16);
pdata[2] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 8);
pdata[3] = (uint8_t)((msc_struct.blk_nbr[lun] - 1));
pdata[4] = (uint8_t)((msc_struct.blk_size[lun]) >> 24);
pdata[5] = (uint8_t)((msc_struct.blk_size[lun]) >> 16);
pdata[6] = (uint8_t)((msc_struct.blk_size[lun]) >> 8);
pdata[7] = (uint8_t)((msc_struct.blk_size[lun]));
msc_struct.data_len = 8;
return USB_OK;
}
/**
* @brief bulk-only transport scsi command format capacity
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_format_capacity(void *udev, uint8_t lun)
{
uint8_t *pdata = msc_struct.data;
pdata[0] = 0;
pdata[1] = 0;
pdata[2] = 0;
pdata[3] = 0x08;
msc_disk_capacity(lun, &msc_struct.blk_nbr[lun], &msc_struct.blk_size[lun]);
pdata[4] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 24);
pdata[5] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 16);
pdata[6] = (uint8_t)((msc_struct.blk_nbr[lun] - 1) >> 8);
pdata[7] = (uint8_t)((msc_struct.blk_nbr[lun] - 1));
pdata[8] = 0x02;
pdata[9] = (uint8_t)((msc_struct.blk_size[lun]) >> 16);
pdata[10] = (uint8_t)((msc_struct.blk_size[lun]) >> 8);
pdata[11] = (uint8_t)((msc_struct.blk_size[lun]));
msc_struct.data_len = 12;
return USB_OK;
}
/**
* @brief bulk-only transport scsi command request sense
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_request_sense(void *udev, uint8_t lun)
{
uint32_t trans_len = 0x12;
uint8_t *pdata = msc_struct.data;
uint8_t *sdata = (uint8_t *)&sense_data;
while(trans_len)
{
trans_len --;
pdata[trans_len] = sdata[trans_len];
}
if(cbw_struct.dCBWDataTransferLength < REQ_SENSE_STANDARD_DATA_LEN)
{
msc_struct.data_len = cbw_struct.dCBWDataTransferLength;
}
else
{
msc_struct.data_len = REQ_SENSE_STANDARD_DATA_LEN;
}
return USB_OK;
}
/**
* @brief bulk-only transport scsi command verify
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_verify(void *udev, uint8_t lun)
{
uint8_t *cmd = cbw_struct.CBWCB;
if((cbw_struct.CBWCB[1] & 0x02) == 0x02)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_FIELED_IN_COMMAND);
return USB_FAIL;
}
msc_struct.blk_addr = cmd[2] << 24 | cmd[3] << 16 | cmd[4] << 8 | cmd[5];
msc_struct.blk_len = cmd[7] << 8 | cmd[8];
if(bot_scsi_check_address(udev, lun, msc_struct.blk_addr, msc_struct.blk_len) != USB_OK)
{
return USB_FAIL;
}
msc_struct.data_len = 0;
return USB_OK;
}
/**
* @brief bulk-only transport scsi command read10
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_read10(void *udev, uint8_t lun)
{
uint8_t *cmd = cbw_struct.CBWCB;
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t len;
if(msc_struct.msc_state == MSC_STATE_MACHINE_IDLE)
{
if((cbw_struct.bmCBWFlags & 0x80) != 0x80)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
return USB_FAIL;
}
msc_struct.blk_addr = cmd[2] << 24 | cmd[3] << 16 | cmd[4] << 8 | cmd[5];
msc_struct.blk_len = cmd[7] << 8 | cmd[8];
if(bot_scsi_check_address(udev, lun, msc_struct.blk_addr, msc_struct.blk_len) != USB_OK)
{
return USB_FAIL;
}
msc_struct.blk_addr *= msc_struct.blk_size[lun];
msc_struct.blk_len *= msc_struct.blk_size[lun];
if(cbw_struct.dCBWDataTransferLength != msc_struct.blk_len)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
return USB_FAIL;
}
msc_struct.msc_state = MSC_STATE_MACHINE_DATA_IN;
}
msc_struct.data_len = MSC_MAX_DATA_BUF_LEN;
len = MIN(msc_struct.blk_len, MSC_MAX_DATA_BUF_LEN);
if( msc_disk_read(lun, msc_struct.blk_addr, msc_struct.data, len) != USB_OK)
{
bot_scsi_sense_code(udev, SENSE_KEY_HARDWARE_ERROR, MEDIUM_NOT_PRESENT);
return USB_FAIL;
}
usbd_ept_send(pudev, USBD_MSC_BULK_IN_EPT, msc_struct.data, len);
msc_struct.blk_addr += len;
msc_struct.blk_len -= len;
csw_struct.dCSWDataResidue -= len;
if(msc_struct.blk_len == 0)
{
msc_struct.msc_state = MSC_STATE_MACHINE_LAST_DATA;
}
return USB_OK;
}
/**
* @brief bulk-only transport scsi command write10
* @param udev: to the structure of usbd_core_type
* @param lun: logical units number
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_write10(void *udev, uint8_t lun)
{
uint8_t *cmd = cbw_struct.CBWCB;
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t len;
if(msc_struct.msc_state == MSC_STATE_MACHINE_IDLE)
{
if((cbw_struct.bmCBWFlags & 0x80) == 0x80)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
return USB_FAIL;
}
msc_struct.blk_addr = cmd[2] << 24 | cmd[3] << 16 | cmd[4] << 8 | cmd[5];
msc_struct.blk_len = cmd[7] << 8 | cmd[8];
if(bot_scsi_check_address(udev, lun, msc_struct.blk_addr, msc_struct.blk_len) != USB_OK)
{
return USB_FAIL;
}
msc_struct.blk_addr *= msc_struct.blk_size[lun];
msc_struct.blk_len *= msc_struct.blk_size[lun];
if(cbw_struct.dCBWDataTransferLength != msc_struct.blk_len)
{
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
return USB_FAIL;
}
msc_struct.msc_state = MSC_STATE_MACHINE_DATA_OUT;
len = MIN(msc_struct.blk_len, MSC_MAX_DATA_BUF_LEN);
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT, (uint8_t *)msc_struct.data, len);
}
else
{
len = MIN(msc_struct.blk_len, MSC_MAX_DATA_BUF_LEN);
if(msc_disk_write(lun, msc_struct.blk_addr, msc_struct.data, len) != USB_OK)
{
bot_scsi_sense_code(udev, SENSE_KEY_HARDWARE_ERROR, MEDIUM_NOT_PRESENT);
return USB_FAIL;
}
msc_struct.blk_addr += len;
msc_struct.blk_len -= len;
csw_struct.dCSWDataResidue -= len;
if(msc_struct.blk_len == 0)
{
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_PASS);
}
else
{
len = MIN(msc_struct.blk_len, MSC_MAX_DATA_BUF_LEN);
usbd_ept_recv(pudev, USBD_MSC_BULK_OUT_EPT, (uint8_t *)msc_struct.data, len);
}
}
return USB_OK;
}
/**
* @brief clear feature
* @param udev: to the structure of usbd_core_type
* @param etp_num: endpoint number
* @retval status of usb_sts_type
*/
void bot_scsi_clear_feature(void *udev, uint8_t ept_num)
{
usbd_core_type *pudev = (usbd_core_type *)udev;
if(msc_struct.bot_status == MSC_BOT_STATE_ERROR)
{
usbd_set_stall(pudev, USBD_MSC_BULK_IN_EPT);
msc_struct.bot_status = MSC_BOT_STATE_IDLE;
}
else if(((ept_num & 0x80) == 0x80) && (msc_struct.bot_status != MSC_BOT_STATE_RECOVERY))
{
bot_scsi_send_csw(udev, CSW_BCSWSTATUS_FAILED);
}
}
/**
* @brief bulk-only transport scsi command process
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type bot_scsi_cmd_process(void *udev)
{
usb_sts_type status = USB_FAIL;
switch(cbw_struct.CBWCB[0])
{
case MSC_CMD_INQUIRY:
status = bot_scsi_inquiry(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_START_STOP:
status = bot_scsi_start_stop(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_MODE_SENSE6:
status = bot_scsi_mode_sense6(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_MODE_SENSE10:
status = bot_scsi_mode_sense10(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_ALLOW_MEDIUM_REMOVAL:
status = bot_scsi_allow_medium_removal(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_READ_10:
status = bot_scsi_read10(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_READ_CAPACITY:
status = bot_scsi_capacity(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_REQUEST_SENSE:
status = bot_scsi_request_sense(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_TEST_UNIT:
status = bot_scsi_test_unit(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_VERIFY:
status = bot_scsi_verify(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_WRITE_10:
status = bot_scsi_write10(udev, cbw_struct.bCBWLUN);
break;
case MSC_CMD_READ_FORMAT_CAPACITY:
status = bot_scsi_format_capacity(udev, cbw_struct.bCBWLUN);
break;
default:
bot_scsi_sense_code(udev, SENSE_KEY_ILLEGAL_REQUEST, INVALID_COMMAND);
status = USB_FAIL;
break;
}
return status;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/

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/**
**************************************************************************
* @file msc_bot_scsi.h
* @version v2.0.0
* @date 2021-11-26
* @brief usb mass storage bulk-only transport and scsi command header file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __MSC_BOT_SCSI_H
#define __MSC_BOT_SCSI_H
#ifdef __cplusplus
extern "C" {
#endif
#include "msc_class.h"
#include "usbd_core.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_msc_bot_scsi
* @{
*/
/** @defgroup USB_msc_bot_scsi_definition
* @{
*/
#define MSC_SUPPORT_MAX_LUN 1
#define MSC_MAX_DATA_BUF_LEN 4096
#define MSC_CMD_FORMAT_UNIT 0x04
#define MSC_CMD_INQUIRY 0x12
#define MSC_CMD_START_STOP 0x1B
#define MSC_CMD_MODE_SENSE6 0x1A
#define MSC_CMD_MODE_SENSE10 0x5A
#define MSC_CMD_ALLOW_MEDIUM_REMOVAL 0x1E
#define MSC_CMD_READ_10 0x28
#define MSC_CMD_READ_12 0xA8
#define MSC_CMD_READ_CAPACITY 0x25
#define MSC_CMD_READ_FORMAT_CAPACITY 0x23
#define MSC_CMD_REQUEST_SENSE 0x03
#define MSC_CMD_TEST_UNIT 0x00
#define MSC_CMD_VERIFY 0x2F
#define MSC_CMD_WRITE_10 0x2A
#define MSC_CMD_WRITE_12 0xAA
#define MSC_CMD_WRITE_VERIFY 0x2E
#define MSC_REQ_GET_MAX_LUN 0xFE /*!< get max lun */
#define MSC_REQ_BO_RESET 0xFF /*!< bulk only mass storage reset */
#define SET_LINE_CODING 0x20
#define GET_LINE_CODING 0x21
#define CBW_CMD_LENGTH 31
#define CBW_DCBWSIGNATURE 0x43425355
#define CBW_BMCBWFLAGS_DIR_OUT 0x00
#define CBW_BMCBWFLAGS_DIR_IN 0x80
#define CSW_CMD_LENGTH 13
#define CSW_DCSWSIGNATURE 0x53425355
#define CSW_BCSWSTATUS_PASS 0x00
#define CSW_BCSWSTATUS_FAILED 0x01
#define CSW_BCSWSTATUS_PHASE_ERR 0x02
#define MSC_STATE_MACHINE_CMD 0x00
#define MSC_STATE_MACHINE_DATA_IN 0x01
#define MSC_STATE_MACHINE_DATA_OUT 0x02
#define MSC_STATE_MACHINE_SEND_DATA 0x03
#define MSC_STATE_MACHINE_LAST_DATA 0x04
#define MSC_STATE_MACHINE_STATUS 0x05
#define MSC_STATE_MACHINE_FAILED 0x06
#define MSC_STATE_MACHINE_IDLE 0x07
#define MSC_BOT_STATE_IDLE 0x00
#define MSC_BOT_STATE_RECOVERY 0x01
#define MSC_BOT_STATE_ERROR 0x02
#define REQ_SENSE_STANDARD_DATA_LEN 0x12
#define SENSE_KEY_NO_SENSE 0x00
#define SENSE_KEY_RECOVERED_ERROR 0x01
#define SENSE_KEY_NOT_READY 0x02
#define SENSE_KEY_MEDIUM_ERROR 0x03
#define SENSE_KEY_HARDWARE_ERROR 0x04
#define SENSE_KEY_ILLEGAL_REQUEST 0x05
#define SENSE_KEY_UNIT_ATTENTION 0x06
#define SENSE_KEY_DATA_PROTECT 0x07
#define SENSE_KEY_BLANK_CHECK 0x08
#define SENSE_KEY_VENDERO_SPECIFIC 0x09
#define SENSE_KEY_ABORTED_COMMAND 0x0B
#define SENSE_KEY_VOLUME_OVERFLOW 0x0D
#define SENSE_KEY_MISCOMPARE 0x0E
#define INVALID_COMMAND 0x20
#define INVALID_FIELED_IN_COMMAND 0x24
#define PARAMETER_LIST_LENGTH_ERROR 0x1A
#define INVALID_FIELD_IN_PARAMETER_LIST 0x26
#define ADDRESS_OUT_OF_RANGE 0x21
#define MEDIUM_NOT_PRESENT 0x3A
#define MEDIUM_HAVE_CHANGED 0x28
#define SCSI_INQUIRY_DATA_LENGTH 36
/**
* @brief typical command block description
*/
typedef struct
{
uint8_t opcode;
uint8_t lun;
uint32_t address;
uint8_t reserved1;
uint32_t alloc_length;
uint16_t reserved2;
}cbd_typical_type;
/**
* @brief extended command block description
*/
typedef struct
{
uint8_t opcode;
uint8_t lun;
uint32_t address;
uint8_t reserved1;
uint32_t alloc_length;
uint16_t reserved2;
}cbd_extended_type;
/**
* @brief command block wrapper
*/
typedef struct
{
uint32_t dCBWSignature;
uint32_t dCBWTage;
uint32_t dCBWDataTransferLength;
uint8_t bmCBWFlags;
uint8_t bCBWLUN;
uint8_t bCBWCBLength;
uint8_t CBWCB[16];
}cbw_type;
/**
* @brief command block wrapper
*/
typedef struct
{
uint32_t dCSWSignature;
uint32_t dCSWTag;
uint32_t dCSWDataResidue;
uint32_t bCSWStatus;
}csw_type;
/**
* @brief request sense standard data
*/
typedef struct
{
uint8_t err_code;
uint8_t reserved1;
uint8_t sense_key;
uint32_t information;
uint8_t as_length;
uint32_t reserved2;
uint8_t asc;
uint8_t ascq;
uint32_t reserved3;
}sense_type;
typedef struct
{
uint8_t msc_state;
uint8_t bot_status;
uint8_t max_lun;
uint32_t blk_nbr[MSC_SUPPORT_MAX_LUN];
uint32_t blk_size[MSC_SUPPORT_MAX_LUN];
uint32_t blk_addr;
uint32_t blk_len;
uint32_t data_len;
uint8_t data[MSC_MAX_DATA_BUF_LEN];
}msc_type;
void bot_scsi_init(void *udev);
void bot_scsi_reset(void *udev);
void bot_scsi_datain_handler(void *pudev, uint8_t ept_num);
void bot_scsi_dataout_handler(void *pudev, uint8_t ept_num);
void bot_cbw_decode(void *udev);
void bot_scsi_send_data(void *udev, uint8_t *buffer, uint32_t len);
void bot_scsi_send_csw(void *udev, uint8_t status);
void bot_scsi_sense_code(void *udev, uint8_t sense_key, uint8_t asc);
usb_sts_type bot_scsi_check_address(void *udev, uint8_t lun, uint32_t blk_offset, uint32_t blk_count);
void bot_scsi_stall(void *udev);
usb_sts_type bot_scsi_cmd_process(void *udev);
usb_sts_type bot_scsi_test_unit(void *udev, uint8_t lun);
usb_sts_type bot_scsi_inquiry(void *udev, uint8_t lun);
usb_sts_type bot_scsi_start_stop(void *udev, uint8_t lun);
usb_sts_type bot_scsi_allow_medium_removal(void *udev, uint8_t lun);
usb_sts_type bot_scsi_mode_sense6(void *udev, uint8_t lun);
usb_sts_type bot_scsi_mode_sense10(void *udev, uint8_t lun);
usb_sts_type bot_scsi_read10(void *udev, uint8_t lun);
usb_sts_type bot_scsi_capacity(void *udev, uint8_t lun);
usb_sts_type bot_scsi_format_capacity(void *udev, uint8_t lun);
usb_sts_type bot_scsi_request_sense(void *udev, uint8_t lun);
usb_sts_type bot_scsi_verify(void *udev, uint8_t lun);
usb_sts_type bot_scsi_write10(void *udev, uint8_t lun);
void bot_scsi_clear_feature(void *udev, uint8_t ept_num);
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

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/**
**************************************************************************
* @file msc_class.c
* @version v2.0.0
* @date 2021-11-26
* @brief usb msc class type
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "usbd_core.h"
#include "msc_class.h"
#include "msc_desc.h"
#include "msc_bot_scsi.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @defgroup USB_msc_class
* @brief usb device class msc demo
* @{
*/
/** @defgroup USB_msc_class_private_functions
* @{
*/
usb_sts_type class_init_handler(void *udev);
usb_sts_type class_clear_handler(void *udev);
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup);
usb_sts_type class_ept0_tx_handler(void *udev);
usb_sts_type class_ept0_rx_handler(void *udev);
usb_sts_type class_in_handler(void *udev, uint8_t ept_num);
usb_sts_type class_out_handler(void *udev, uint8_t ept_num);
usb_sts_type class_sof_handler(void *udev);
usb_sts_type class_event_handler(void *udev, usbd_event_type event);
/* usb rx and tx buffer */
static uint32_t alt_setting = 0;
extern msc_type msc_struct;
extern cbw_type cbw_struct;
extern csw_type csw_struct;
/* usb device class handler */
usbd_class_handler msc_class_handler =
{
class_init_handler,
class_clear_handler,
class_setup_handler,
class_ept0_tx_handler,
class_ept0_rx_handler,
class_in_handler,
class_out_handler,
class_sof_handler,
class_event_handler,
};
/**
* @brief initialize usb endpoint
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_init_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
/* open in endpoint */
usbd_ept_open(pudev, USBD_MSC_BULK_IN_EPT, EPT_BULK_TYPE, USBD_OUT_MAXPACKET_SIZE);
/* open out endpoint */
usbd_ept_open(pudev, USBD_MSC_BULK_OUT_EPT, EPT_BULK_TYPE, USBD_OUT_MAXPACKET_SIZE);
bot_scsi_init(udev);
return status;
}
/**
* @brief clear endpoint or other state
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_clear_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
/* close in endpoint */
usbd_ept_close(pudev, USBD_MSC_BULK_IN_EPT);
/* close out endpoint */
usbd_ept_close(pudev, USBD_MSC_BULK_OUT_EPT);
return status;
}
/**
* @brief usb device class setup request handler
* @param udev: to the structure of usbd_core_type
* @param setup: setup packet
* @retval status of usb_sts_type
*/
usb_sts_type class_setup_handler(void *udev, usb_setup_type *setup)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
switch(setup->bmRequestType & USB_REQ_TYPE_RESERVED)
{
/* class request */
case USB_REQ_TYPE_CLASS:
switch(setup->bRequest)
{
case MSC_REQ_GET_MAX_LUN:
usbd_ctrl_send(pudev, &msc_struct.max_lun, 1);
break;
case MSC_REQ_BO_RESET:
bot_scsi_reset(udev);
usbd_ctrl_send_status(pudev);
break;
default:
usbd_ctrl_unsupport(pudev);
break;
}
break;
/* standard request */
case USB_REQ_TYPE_STANDARD:
switch(setup->bRequest)
{
case USB_STD_REQ_GET_DESCRIPTOR:
usbd_ctrl_unsupport(pudev);
break;
case USB_STD_REQ_GET_INTERFACE:
usbd_ctrl_send(pudev, (uint8_t *)&alt_setting, 1);
break;
case USB_STD_REQ_SET_INTERFACE:
alt_setting = setup->wValue;
break;
case USB_STD_REQ_CLEAR_FEATURE:
usbd_ept_close(pudev, (uint8_t)setup->wIndex);
if((setup->wIndex & 0x80) == 0x80)
{
usb_flush_tx_fifo(pudev->usb_reg, setup->wIndex & 0x7F);
usbd_ept_open(pudev, (uint8_t)setup->wIndex, EPT_BULK_TYPE, USBD_IN_MAXPACKET_SIZE);
}
else
{
usbd_ept_open(pudev, (uint8_t)setup->wIndex, EPT_BULK_TYPE, USBD_OUT_MAXPACKET_SIZE);
}
bot_scsi_clear_feature(udev, setup->wIndex);
break;
default:
break;
}
break;
default:
usbd_ctrl_unsupport(pudev);
break;
}
return status;
}
/**
* @brief usb device endpoint 0 in status stage complete
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_ept0_tx_handler(void *udev)
{
usb_sts_type status = USB_OK;
/* ...user code... */
return status;
}
/**
* @brief usb device endpoint 0 out status stage complete
* @param udev: usb device core handler type
* @retval status of usb_sts_type
*/
usb_sts_type class_ept0_rx_handler(void *udev)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
uint32_t recv_len = usbd_get_recv_len(pudev, 0);
/* ...user code... */
return status;
}
/**
* @brief usb device transmision complete handler
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval status of usb_sts_type
*/
usb_sts_type class_in_handler(void *udev, uint8_t ept_num)
{
usb_sts_type status = USB_OK;
usbd_core_type *pudev = (usbd_core_type *)udev;
usb_flush_tx_fifo(pudev->usb_reg, ept_num&0x7F);
// if(msc_struct.msc_state != MSC_STATE_MACHINE_IDLE)
// {
// bot_scsi_datain_handler(udev, ept_num);
// }
bot_scsi_datain_handler(udev, ept_num);
return status;
}
/**
* @brief usb device endpoint receive data
* @param udev: to the structure of usbd_core_type
* @param ept_num: endpoint number
* @retval status of usb_sts_type
*/
usb_sts_type class_out_handler(void *udev, uint8_t ept_num)
{
usb_sts_type status = USB_OK;
// if(msc_struct.msc_state == MSC_STATE_MACHINE_IDLE)
// msc_struct.msc_state = MSC_STATE_MACHINE_CMD;
bot_scsi_dataout_handler(udev, ept_num);
return status;
}
/**
* @brief usb device sof handler
* @param udev: to the structure of usbd_core_type
* @retval status of usb_sts_type
*/
usb_sts_type class_sof_handler(void *udev)
{
usb_sts_type status = USB_OK;
/* ...user code... */
return status;
}
/**
* @brief usb device event handler
* @param udev: to the structure of usbd_core_type
* @param event: usb device event
* @retval status of usb_sts_type
*/
usb_sts_type class_event_handler(void *udev, usbd_event_type event)
{
usb_sts_type status = USB_OK;
switch(event)
{
case USBD_RESET_EVENT:
/* ...user code... */
break;
case USBD_SUSPEND_EVENT:
/* ...user code... */
break;
case USBD_WAKEUP_EVENT:
/* ...user code... */
break;
default:
break;
}
return status;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/

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/**
**************************************************************************
* @file msc_class.h
* @version v2.0.0
* @date 2021-11-26
* @brief usb msc class file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __MSC_CLASS_H
#define __MSC_CLASS_H
#ifdef __cplusplus
extern "C" {
#endif
#include "usb_std.h"
#include "usbd_core.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_msc_class
* @{
*/
/** @defgroup USB_msc_class_definition
* @{
*/
#define USBD_MSC_BULK_IN_EPT 0x81
#define USBD_MSC_BULK_OUT_EPT 0x01
#define USBD_IN_MAXPACKET_SIZE 0x40
#define USBD_OUT_MAXPACKET_SIZE 0x40
extern usbd_class_handler msc_class_handler;
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif

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/**
**************************************************************************
* @file msc_desc.c
* @version v2.0.0
* @date 2021-11-26
* @brief usb msc device descriptor
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
#include "stdio.h"
#include "usb_std.h"
#include "usbd_sdr.h"
#include "usbd_core.h"
#include "msc_desc.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @defgroup USB_msc_desc
* @brief usb device msc descriptor
* @{
*/
/** @defgroup USB_msc_desc_private_functions
* @{
*/
usbd_desc_t *get_device_descriptor(void);
usbd_desc_t *get_device_qualifier(void);
usbd_desc_t *get_device_configuration(void);
usbd_desc_t *get_device_other_speed(void);
usbd_desc_t *get_device_lang_id(void);
usbd_desc_t *get_device_manufacturer_string(void);
usbd_desc_t *get_device_product_string(void);
usbd_desc_t *get_device_serial_string(void);
usbd_desc_t *get_device_interface_string(void);
usbd_desc_t *get_device_config_string(void);
uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf);
static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len);
static void get_serial_num(void);
static uint8_t g_usbd_desc_buffer[256];
/**
* @brief device descriptor handler structure
*/
usbd_desc_handler msc_desc_handler =
{
get_device_descriptor,
get_device_qualifier,
get_device_configuration,
get_device_other_speed,
get_device_lang_id,
get_device_manufacturer_string,
get_device_product_string,
get_device_serial_string,
get_device_interface_string,
get_device_config_string,
};
/**
* @brief usb device standard descriptor
*/
uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN] =
{
USB_DEVICE_DESC_LEN, /* bLength */
USB_DESCIPTOR_TYPE_DEVICE, /* bDescriptorType */
0x00, /* bcdUSB */
0x02,
0x00, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceProtocol */
USB_MAX_EP0_SIZE, /* bMaxPacketSize */
LBYTE(USBD_VENDOR_ID), /* idVendor */
HBYTE(USBD_VENDOR_ID), /* idVendor */
LBYTE(USBD_PRODUCT_ID), /* idProduct */
HBYTE(USBD_PRODUCT_ID), /* idProduct */
0x00, /* bcdDevice rel. 2.00 */
0x02,
USB_MFC_STRING, /* Index of manufacturer string */
USB_PRODUCT_STRING, /* Index of product string */
USB_SERIAL_STRING, /* Index of serial number string */
1 /* bNumConfigurations */
};
/**
* @brief usb configuration standard descriptor
*/
uint8_t g_usbd_configuration[USBD_CONFIG_DESC_SIZE] =
{
USB_DEVICE_CFG_DESC_LEN, /* bLength: configuration descriptor size */
USB_DESCIPTOR_TYPE_CONFIGURATION, /* bDescriptorType: configuration */
LBYTE(USBD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
HBYTE(USBD_CONFIG_DESC_SIZE), /* wTotalLength: bytes returned */
0x01, /* bNumInterfaces: 2 interface */
0x01, /* bConfigurationValue: configuration value */
0x04, /* iConfiguration: index of string descriptor describing
the configuration */
0xC0, /* bmAttributes: self powered */
0x32, /* MaxPower 100 mA: this current is used for detecting vbus */
USB_DEVICE_IF_DESC_LEN, /* bLength: interface descriptor size */
USB_DESCIPTOR_TYPE_INTERFACE, /* bDescriptorType: interface descriptor type */
0x00, /* bInterfaceNumber: number of interface */
0x00, /* bAlternateSetting: alternate set */
0x02, /* bNumEndpoints: number of endpoints */
USB_CLASS_CODE_MSC, /* bInterfaceClass: msc class code */
0x06, /* bInterfaceSubClass: subclass code scsi */
0x50, /* bInterfaceProtocol: protocol code BBB */
0x05, /* iInterface: index of string descriptor */
USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
USBD_MSC_BULK_IN_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
LBYTE(USBD_IN_MAXPACKET_SIZE),
HBYTE(USBD_IN_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
0x00, /* bInterval: interval for polling endpoint for data transfers */
USB_DEVICE_EPT_LEN, /* bLength: size of endpoint descriptor in bytes */
USB_DESCIPTOR_TYPE_ENDPOINT, /* bDescriptorType: endpoint descriptor type */
USBD_MSC_BULK_OUT_EPT, /* bEndpointAddress: the address of endpoint on usb device described by this descriptor */
USB_EPT_DESC_BULK, /* bmAttributes: endpoint attributes */
LBYTE(USBD_OUT_MAXPACKET_SIZE),
HBYTE(USBD_OUT_MAXPACKET_SIZE), /* wMaxPacketSize: maximum packe size this endpoint */
0x00, /* bInterval: interval for polling endpoint for data transfers */
};
/**
* @brief usb string lang id
*/
uint8_t g_string_lang_id[USBD_SIZ_STRING_LANGID] =
{
USBD_SIZ_STRING_LANGID,
USB_DESCIPTOR_TYPE_STRING,
0x09,
0x04,
};
/**
* @brief usb string serial
*/
uint8_t g_string_serial[USBD_SIZ_STRING_SERIAL] =
{
USBD_SIZ_STRING_SERIAL,
USB_DESCIPTOR_TYPE_STRING,
};
/* device descriptor */
usbd_desc_t device_descriptor =
{
USB_DEVICE_DESC_LEN,
g_usbd_descriptor
};
/* config descriptor */
usbd_desc_t config_descriptor =
{
USBD_CONFIG_DESC_SIZE,
g_usbd_configuration
};
/* langid descriptor */
usbd_desc_t langid_descriptor =
{
USBD_SIZ_STRING_LANGID,
g_string_lang_id
};
/* serial descriptor */
usbd_desc_t serial_descriptor =
{
USBD_SIZ_STRING_SERIAL,
g_string_serial
};
usbd_desc_t vp_desc;
/**
* @brief standard usb unicode convert
* @param string: source string
* @param unicode_buf: unicode buffer
* @retval length
*/
uint16_t usbd_unicode_convert(uint8_t *string, uint8_t *unicode_buf)
{
uint16_t str_len = 0, id_pos = 2;
uint8_t *tmp_str = string;
while(*tmp_str != '\0')
{
str_len ++;
unicode_buf[id_pos ++] = *tmp_str ++;
unicode_buf[id_pos ++] = 0x00;
}
str_len = str_len * 2 + 2;
unicode_buf[0] = (uint8_t)str_len;
unicode_buf[1] = USB_DESCIPTOR_TYPE_STRING;
return str_len;
}
/**
* @brief usb int convert to unicode
* @param value: int value
* @param pbus: unicode buffer
* @param len: length
* @retval none
*/
static void usbd_int_to_unicode (uint32_t value , uint8_t *pbuf , uint8_t len)
{
uint8_t idx = 0;
for( idx = 0 ; idx < len ; idx ++)
{
if( ((value >> 28)) < 0xA )
{
pbuf[ 2 * idx] = (value >> 28) + '0';
}
else
{
pbuf[2 * idx] = (value >> 28) + 'A' - 10;
}
value = value << 4;
pbuf[2 * idx + 1] = 0;
}
}
/**
* @brief usb get serial number
* @param none
* @retval none
*/
static void get_serial_num(void)
{
uint32_t serial0, serial1, serial2;
serial0 = *(uint32_t*)MCU_ID1;
serial1 = *(uint32_t*)MCU_ID2;
serial2 = *(uint32_t*)MCU_ID3;
serial0 += serial2;
if (serial0 != 0)
{
usbd_int_to_unicode (serial0, &g_string_serial[2] ,8);
usbd_int_to_unicode (serial1, &g_string_serial[18] ,4);
}
}
/**
* @brief get device descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_descriptor(void)
{
return &device_descriptor;
}
/**
* @brief get device qualifier
* @param none
* @retval usbd_desc
*/
usbd_desc_t * get_device_qualifier(void)
{
return NULL;
}
/**
* @brief get config descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_configuration(void)
{
return &config_descriptor;
}
/**
* @brief get other speed descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_other_speed(void)
{
return NULL;
}
/**
* @brief get lang id descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_lang_id(void)
{
return &langid_descriptor;
}
/**
* @brief get manufacturer descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_manufacturer_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_MANUFACTURER_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get product descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_product_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_PRODUCT_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get serial descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_serial_string(void)
{
get_serial_num();
return &serial_descriptor;
}
/**
* @brief get interface descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_interface_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_INTERFACE_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @brief get device config descriptor
* @param none
* @retval usbd_desc
*/
usbd_desc_t *get_device_config_string(void)
{
vp_desc.length = usbd_unicode_convert((uint8_t *)USBD_DESC_CONFIGURATION_STRING, g_usbd_desc_buffer);
vp_desc.descriptor = g_usbd_desc_buffer;
return &vp_desc;
}
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/

98
middlewares/usbd_class/msc/msc_desc.h Normal file
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@@ -0,0 +1,98 @@
/**
**************************************************************************
* @file msc_desc.h
* @version v2.0.0
* @date 2021-11-26
* @brief usb msc descriptor header file
**************************************************************************
* Copyright notice & Disclaimer
*
* The software Board Support Package (BSP) that is made available to
* download from Artery official website is the copyrighted work of Artery.
* Artery authorizes customers to use, copy, and distribute the BSP
* software and its related documentation for the purpose of design and
* development in conjunction with Artery microcontrollers. Use of the
* software is governed by this copyright notice and the following disclaimer.
*
* THIS SOFTWARE IS PROVIDED ON "AS IS" BASIS WITHOUT WARRANTIES,
* GUARANTEES OR REPRESENTATIONS OF ANY KIND. ARTERY EXPRESSLY DISCLAIMS,
* TO THE FULLEST EXTENT PERMITTED BY LAW, ALL EXPRESS, IMPLIED OR
* STATUTORY OR OTHER WARRANTIES, GUARANTEES OR REPRESENTATIONS,
* INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
*
**************************************************************************
*/
/* define to prevent recursive inclusion -------------------------------------*/
#ifndef __MSC_DESC_H
#define __MSC_DESC_H
#ifdef __cplusplus
extern "C" {
#endif
#include "msc_class.h"
#include "usbd_core.h"
/** @addtogroup AT32F415_middlewares_usbd_class
* @{
*/
/** @addtogroup USB_msc_desc
* @{
*/
/** @defgroup USB_msc_desc_definition
* @{
*/
#define BCD_NUM 0x0110
#define USBD_VENDOR_ID 0x2E3C
#define USBD_PRODUCT_ID 0x5720
#define USBD_CONFIG_DESC_SIZE 32
#define USBD_SIZ_STRING_LANGID 4
#define USBD_SIZ_STRING_SERIAL 0x1A
#define USBD_DESC_MANUFACTURER_STRING "Artery"
#define USBD_DESC_PRODUCT_STRING "AT32 Mass Storage"
#define USBD_DESC_CONFIGURATION_STRING "Mass Storage Config"
#define USBD_DESC_INTERFACE_STRING "Mass Storage Interface"
#define HID_BINTERVAL_TIME 0xFF
#define USBD_CDC_CS_INTERFACE 0x24
#define USBD_CDC_CS_ENDPOINT 0x25
#define USBD_CDC_SUBTYPE_HEADER 0x00
#define USBD_CDC_SUBTYPE_CMF 0x01
#define USBD_CDC_SUBTYPE_ACM 0x02
#define USBD_CDC_SUBTYPE_UFD 0x06
#define MCU_ID1 (0x1FFFF7E8)
#define MCU_ID2 (0x1FFFF7EC)
#define MCU_ID3 (0x1FFFF7F0)
extern uint8_t g_usbd_descriptor[USB_DEVICE_DESC_LEN];
extern uint8_t g_usbd_configuration[USBD_CONFIG_DESC_SIZE];
extern usbd_desc_handler msc_desc_handler;
/**
* @}
*/
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif