Fix for DUE - no host support on native USB if SD card not enabled (#10148)

This commit is contained in:
Eduardo José Tagle 2018-03-18 21:49:51 -03:00 committed by Scott Lahteine
parent 772810fb24
commit bbfbf90797
7 changed files with 1197 additions and 758 deletions

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@ -54,11 +54,7 @@
*/
//! @{
#ifdef SDSUPPORT
#define LUN_0 ENABLE //!< SD/MMC Card over MCI Slot 0.
#else
#define LUN_0 DISABLE
#endif
#define LUN_1 DISABLE
#define LUN_2 DISABLE
#define LUN_3 DISABLE

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@ -114,6 +114,7 @@
#define USB_DEVICE_SPECIFIC_REQUEST() usb_task_other_requests()
//@}
#if ENABLED(SDSUPPORT)
/**
* USB Device low level configuration
* When only one interface is used, these configurations are defined by the class module.
@ -156,6 +157,8 @@
# define UDD_BULK_NB_BANK(ep) ((ep == 4 || ep== 5) ? 1 : 2)
# endif
#endif
#endif
//@}
//@}
@ -195,6 +198,7 @@
//! Enable id string of interface to add an extra USB string
#define UDI_CDC_IAD_STRING_ID 4
#if ENABLED(SDSUPPORT)
/**
* USB CDC low level configuration
* In standalone these configurations are defined by the CDC module.
@ -215,6 +219,7 @@
//! Interface numbers
#define UDI_CDC_COMM_IFACE_NUMBER_0 0
#define UDI_CDC_DATA_IFACE_NUMBER_0 1
//@}
//@}
@ -286,7 +291,6 @@
&udi_api_msc
//@}
/**
* USB Device Driver Configuration
* @{
@ -296,6 +300,10 @@
//! The includes of classes and other headers must be done at the end of this file to avoid compile error
#include "udi_cdc.h"
#include "udi_msc.h"
#else
#include "udi_cdc_conf.h"
#endif
#include "usb_task.h"
#endif // _CONF_USB_H_

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@ -0,0 +1,156 @@
/**
* \file
*
* \brief Default CDC configuration for a USB Device with a single interface
*
* Copyright (c) 2009-2015 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* 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. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifndef _UDI_CDC_CONF_H_
#define _UDI_CDC_CONF_H_
#include "usb_protocol_cdc.h"
#include "conf_usb.h"
#ifndef UDI_CDC_PORT_NB
# define UDI_CDC_PORT_NB 1
#endif
#ifdef __cplusplus
extern "C" {
#endif
/**
* \addtogroup udi_cdc_group_single_desc
* @{
*/
//! Control endpoint size (Endpoint 0)
#define USB_DEVICE_EP_CTRL_SIZE 64
#if XMEGA
/**
* \name Endpoint configuration on XMEGA
* The XMEGA supports a IN and OUT endpoint with the same number endpoint,
* thus XMEGA can support up to 7 CDC interfaces.
*/
//@{
#define UDI_CDC_DATA_EP_IN_0 ( 1 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_0 ( 2 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_0 ( 2 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_1 ( 3 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_1 ( 4 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_1 ( 4 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_2 ( 5 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_2 ( 6 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_2 ( 6 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_3 ( 7 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_3 ( 8 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_3 ( 8 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_4 ( 9 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_4 (10 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_4 (10 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_5 (11 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_5 (12 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_5 (12 | USB_EP_DIR_IN) // Notify endpoint
#define UDI_CDC_DATA_EP_IN_6 (13 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_6 (14 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_6 (14 | USB_EP_DIR_IN) // Notify endpoint
//! 2 endpoints numbers used per CDC interface
#define USB_DEVICE_MAX_EP (2*UDI_CDC_PORT_NB)
//@}
#else
/**
* \name Default endpoint configuration
* The USBB, UDP, UDPHS and UOTGHS interfaces can support up to 2 CDC interfaces.
*/
//@{
# if UDI_CDC_PORT_NB > 2
# error USBB, UDP, UDPHS and UOTGHS interfaces have not enought endpoints.
# endif
#define UDI_CDC_DATA_EP_IN_0 (1 | USB_EP_DIR_IN) // TX
#define UDI_CDC_DATA_EP_OUT_0 (2 | USB_EP_DIR_OUT) // RX
#define UDI_CDC_COMM_EP_0 (3 | USB_EP_DIR_IN) // Notify endpoint
# if SAM3U
/* For 3U max endpoint size of 4 is 64, use 5 and 6 as bulk tx and rx */
# define UDI_CDC_DATA_EP_IN_1 (6 | USB_EP_DIR_IN) // TX
# define UDI_CDC_DATA_EP_OUT_1 (5 | USB_EP_DIR_OUT) // RX
# define UDI_CDC_COMM_EP_1 (4 | USB_EP_DIR_IN) // Notify
# else
# define UDI_CDC_DATA_EP_IN_1 (4 | USB_EP_DIR_IN) // TX
# define UDI_CDC_DATA_EP_OUT_1 (5 | USB_EP_DIR_OUT) // RX
# define UDI_CDC_COMM_EP_1 (6 | USB_EP_DIR_IN) // Notify
# endif
//! 3 endpoints used per CDC interface
#undef USB_DEVICE_MAX_EP // undefine this definition in header file
#define USB_DEVICE_MAX_EP (3*UDI_CDC_PORT_NB)
//@}
#endif
/**
* \name Default Interface numbers
*/
//@{
#define UDI_CDC_COMM_IFACE_NUMBER_0 0
#define UDI_CDC_DATA_IFACE_NUMBER_0 1
#define UDI_CDC_COMM_IFACE_NUMBER_1 2
#define UDI_CDC_DATA_IFACE_NUMBER_1 3
#define UDI_CDC_COMM_IFACE_NUMBER_2 4
#define UDI_CDC_DATA_IFACE_NUMBER_2 5
#define UDI_CDC_COMM_IFACE_NUMBER_3 6
#define UDI_CDC_DATA_IFACE_NUMBER_3 7
#define UDI_CDC_COMM_IFACE_NUMBER_4 8
#define UDI_CDC_DATA_IFACE_NUMBER_4 9
#define UDI_CDC_COMM_IFACE_NUMBER_5 10
#define UDI_CDC_DATA_IFACE_NUMBER_5 11
#define UDI_CDC_COMM_IFACE_NUMBER_6 12
#define UDI_CDC_DATA_IFACE_NUMBER_6 13
//@}
//@}
#ifdef __cplusplus
}
#endif
#endif // _UDI_CDC_CONF_H_

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@ -0,0 +1,259 @@
/**
* \file
*
* \brief Default descriptors for a USB Device with a single interface CDC
*
* Copyright (c) 2009-2016 Atmel Corporation. All rights reserved.
*
* \asf_license_start
*
* \page License
*
* 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. The name of Atmel may not be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* 4. This software may only be redistributed and used in connection with an
* Atmel microcontroller product.
*
* THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
* EXPRESSLY AND SPECIFICALLY DISCLAIMED. IN NO EVENT SHALL ATMEL 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.
*
* \asf_license_stop
*
*/
/*
* Support and FAQ: visit <a href="http://www.atmel.com/design-support/">Atmel Support</a>
*/
#ifdef ARDUINO_ARCH_SAM
#include "conf_usb.h"
#include "udd.h"
#include "udc_desc.h"
#include "udi_cdc.h"
#if DISABLED(SDSUPPORT)
/**
* \defgroup udi_cdc_group_single_desc USB device descriptors for a single interface
*
* The following structures provide the USB device descriptors required for
* USB Device with a single interface CDC.
*
* It is ready to use and do not require more definition.
*
* @{
*/
//! Two interfaces for a CDC device
#define USB_DEVICE_NB_INTERFACE (2*UDI_CDC_PORT_NB)
#ifdef USB_DEVICE_LPM_SUPPORT
# define USB_VERSION USB_V2_1
#else
# define USB_VERSION USB_V2_0
#endif
//! USB Device Descriptor
COMPILER_WORD_ALIGNED
UDC_DESC_STORAGE usb_dev_desc_t udc_device_desc = {
.bLength = sizeof(usb_dev_desc_t),
.bDescriptorType = USB_DT_DEVICE,
.bcdUSB = LE16(USB_VERSION),
#if UDI_CDC_PORT_NB > 1
.bDeviceClass = 0,
#else
.bDeviceClass = CDC_CLASS_DEVICE,
#endif
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.bMaxPacketSize0 = USB_DEVICE_EP_CTRL_SIZE,
.idVendor = LE16(USB_DEVICE_VENDOR_ID),
.idProduct = LE16(USB_DEVICE_PRODUCT_ID),
.bcdDevice = LE16((USB_DEVICE_MAJOR_VERSION << 8)
| USB_DEVICE_MINOR_VERSION),
#ifdef USB_DEVICE_MANUFACTURE_NAME
.iManufacturer = 1,
#else
.iManufacturer = 0, // No manufacture string
#endif
#ifdef USB_DEVICE_PRODUCT_NAME
.iProduct = 2,
#else
.iProduct = 0, // No product string
#endif
#if (defined USB_DEVICE_SERIAL_NAME || defined USB_DEVICE_GET_SERIAL_NAME_POINTER)
.iSerialNumber = 3,
#else
.iSerialNumber = 0, // No serial string
#endif
.bNumConfigurations = 1
};
#ifdef USB_DEVICE_HS_SUPPORT
//! USB Device Qualifier Descriptor for HS
COMPILER_WORD_ALIGNED
UDC_DESC_STORAGE usb_dev_qual_desc_t udc_device_qual = {
.bLength = sizeof(usb_dev_qual_desc_t),
.bDescriptorType = USB_DT_DEVICE_QUALIFIER,
.bcdUSB = LE16(USB_VERSION),
#if UDI_CDC_PORT_NB > 1
.bDeviceClass = 0,
#else
.bDeviceClass = CDC_CLASS_DEVICE,
#endif
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.bMaxPacketSize0 = USB_DEVICE_EP_CTRL_SIZE,
.bNumConfigurations = 1
};
#endif
#ifdef USB_DEVICE_LPM_SUPPORT
//! USB Device Qualifier Descriptor
COMPILER_WORD_ALIGNED
UDC_DESC_STORAGE usb_dev_lpm_desc_t udc_device_lpm = {
.bos.bLength = sizeof(usb_dev_bos_desc_t),
.bos.bDescriptorType = USB_DT_BOS,
.bos.wTotalLength = LE16(sizeof(usb_dev_bos_desc_t) + sizeof(usb_dev_capa_ext_desc_t)),
.bos.bNumDeviceCaps = 1,
.capa_ext.bLength = sizeof(usb_dev_capa_ext_desc_t),
.capa_ext.bDescriptorType = USB_DT_DEVICE_CAPABILITY,
.capa_ext.bDevCapabilityType = USB_DC_USB20_EXTENSION,
.capa_ext.bmAttributes = USB_DC_EXT_LPM,
};
#endif
//! Structure for USB Device Configuration Descriptor
COMPILER_PACK_SET(1)
typedef struct {
usb_conf_desc_t conf;
#if UDI_CDC_PORT_NB == 1
udi_cdc_comm_desc_t udi_cdc_comm_0;
udi_cdc_data_desc_t udi_cdc_data_0;
#else
# define UDI_CDC_DESC_STRUCTURE(index, unused) \
usb_iad_desc_t udi_cdc_iad_##index; \
udi_cdc_comm_desc_t udi_cdc_comm_##index; \
udi_cdc_data_desc_t udi_cdc_data_##index;
MREPEAT(UDI_CDC_PORT_NB, UDI_CDC_DESC_STRUCTURE, ~)
# undef UDI_CDC_DESC_STRUCTURE
#endif
} udc_desc_t;
COMPILER_PACK_RESET()
//! USB Device Configuration Descriptor filled for full and high speed
COMPILER_WORD_ALIGNED
UDC_DESC_STORAGE udc_desc_t udc_desc_fs = {
.conf.bLength = sizeof(usb_conf_desc_t),
.conf.bDescriptorType = USB_DT_CONFIGURATION,
.conf.wTotalLength = LE16(sizeof(udc_desc_t)),
.conf.bNumInterfaces = USB_DEVICE_NB_INTERFACE,
.conf.bConfigurationValue = 1,
.conf.iConfiguration = 0,
.conf.bmAttributes = USB_CONFIG_ATTR_MUST_SET | USB_DEVICE_ATTR,
.conf.bMaxPower = USB_CONFIG_MAX_POWER(USB_DEVICE_POWER),
#if UDI_CDC_PORT_NB == 1
.udi_cdc_comm_0 = UDI_CDC_COMM_DESC_0,
.udi_cdc_data_0 = UDI_CDC_DATA_DESC_0_FS,
#else
# define UDI_CDC_DESC_FS(index, unused) \
.udi_cdc_iad_##index = UDI_CDC_IAD_DESC_##index,\
.udi_cdc_comm_##index = UDI_CDC_COMM_DESC_##index,\
.udi_cdc_data_##index = UDI_CDC_DATA_DESC_##index##_FS,
MREPEAT(UDI_CDC_PORT_NB, UDI_CDC_DESC_FS, ~)
# undef UDI_CDC_DESC_FS
#endif
};
#ifdef USB_DEVICE_HS_SUPPORT
COMPILER_WORD_ALIGNED
UDC_DESC_STORAGE udc_desc_t udc_desc_hs = {
.conf.bLength = sizeof(usb_conf_desc_t),
.conf.bDescriptorType = USB_DT_CONFIGURATION,
.conf.wTotalLength = LE16(sizeof(udc_desc_t)),
.conf.bNumInterfaces = USB_DEVICE_NB_INTERFACE,
.conf.bConfigurationValue = 1,
.conf.iConfiguration = 0,
.conf.bmAttributes = USB_CONFIG_ATTR_MUST_SET | USB_DEVICE_ATTR,
.conf.bMaxPower = USB_CONFIG_MAX_POWER(USB_DEVICE_POWER),
#if UDI_CDC_PORT_NB == 1
.udi_cdc_comm_0 = UDI_CDC_COMM_DESC_0,
.udi_cdc_data_0 = UDI_CDC_DATA_DESC_0_HS,
#else
# define UDI_CDC_DESC_HS(index, unused) \
.udi_cdc_iad_##index = UDI_CDC_IAD_DESC_##index, \
.udi_cdc_comm_##index = UDI_CDC_COMM_DESC_##index, \
.udi_cdc_data_##index = UDI_CDC_DATA_DESC_##index##_HS,
MREPEAT(UDI_CDC_PORT_NB, UDI_CDC_DESC_HS, ~)
# undef UDI_CDC_DESC_HS
#endif
};
#endif
/**
* \name UDC structures which content all USB Device definitions
*/
//@{
//! Associate an UDI for each USB interface
UDC_DESC_STORAGE udi_api_t *udi_apis[USB_DEVICE_NB_INTERFACE] = {
# define UDI_CDC_API(index, unused) \
&udi_api_cdc_comm, \
&udi_api_cdc_data,
MREPEAT(UDI_CDC_PORT_NB, UDI_CDC_API, ~)
# undef UDI_CDC_API
};
//! Add UDI with USB Descriptors FS & HS
UDC_DESC_STORAGE udc_config_speed_t udc_config_fs[1] = { {
.desc = (usb_conf_desc_t UDC_DESC_STORAGE*)&udc_desc_fs,
.udi_apis = udi_apis,
}};
#ifdef USB_DEVICE_HS_SUPPORT
UDC_DESC_STORAGE udc_config_speed_t udc_config_hs[1] = { {
.desc = (usb_conf_desc_t UDC_DESC_STORAGE*)&udc_desc_hs,
.udi_apis = udi_apis,
}};
#endif
//! Add all information about USB Device in global structure for UDC
UDC_DESC_STORAGE udc_config_t udc_config = {
.confdev_lsfs = &udc_device_desc,
.conf_lsfs = udc_config_fs,
#ifdef USB_DEVICE_HS_SUPPORT
.confdev_hs = &udc_device_desc,
.qualifier = &udc_device_qual,
.conf_hs = udc_config_hs,
#endif
#ifdef USB_DEVICE_LPM_SUPPORT
.conf_bos = &udc_device_lpm.bos,
#else
.conf_bos = NULL,
#endif
};
//@}
//@}
#endif
#endif

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@ -50,6 +50,8 @@
#include "udd.h"
#include "udc_desc.h"
#if ENABLED(SDSUPPORT)
/**
* \defgroup udi_group_desc Descriptors for a USB Device
* composite
@ -186,3 +188,4 @@ UDC_DESC_STORAGE udc_config_t udc_config = {
//@}
#endif
#endif

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@ -57,6 +57,8 @@
#include "ctrl_access.h"
#include <string.h>
#if ENABLED(SDSUPPORT)
#ifndef UDI_MSC_NOTIFY_TRANS_EXT
# define UDI_MSC_NOTIFY_TRANS_EXT()
#endif
@ -1126,3 +1128,4 @@ bool udi_msc_trans_block(bool b_read, uint8_t * block, iram_size_t block_size,
//@}
#endif
#endif

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@ -50,11 +50,14 @@
#include <Arduino.h>
#include <Reset.h>
#if ENABLED(SDSUPPORT)
static volatile bool main_b_msc_enable = false;
#endif
static volatile bool main_b_cdc_enable = false;
static volatile bool main_b_dtr_active = false;
void HAL_idletask(void) {
#if ENABLED(SDSUPPORT)
// Attend SD card access from the USB MSD -- Prioritize access to improve speed
int delay = 2;
while (main_b_msc_enable && --delay > 0) {
@ -63,11 +66,14 @@ void HAL_idletask(void) {
// Reset the watchdog, just to be sure
REG_WDT_CR = WDT_CR_WDRSTT | WDT_CR_KEY(0xA5);
}
#endif
}
#if ENABLED(SDSUPPORT)
bool usb_task_msc_enable(void) { return ((main_b_msc_enable = true)); }
void usb_task_msc_disable(void) { main_b_msc_enable = false; }
bool usb_task_msc_isenabled(void) { return main_b_msc_enable; }
#endif
bool usb_task_cdc_enable(const uint8_t port) { return ((main_b_cdc_enable = true)); }
void usb_task_cdc_disable(const uint8_t port) { main_b_cdc_enable = false; main_b_dtr_active = false; }
@ -192,11 +198,17 @@ static USB_MicrosoftExtendedPropertiesDescriptor microsoft_extended_properties_d
bool usb_task_extra_string(void) {
static uint8_t udi_msft_magic[] = "MSFT100\xEE";
static uint8_t udi_cdc_name[] = "CDC interface";
#if ENABLED(SDSUPPORT)
static uint8_t udi_msc_name[] = "MSC interface";
#endif
struct extra_strings_desc_t {
usb_str_desc_t header;
#if ENABLED(SDSUPPORT)
le16_t string[Max(Max(sizeof(udi_cdc_name) - 1, sizeof(udi_msc_name) - 1), sizeof(udi_msft_magic) - 1)];
#else
le16_t string[Max(sizeof(udi_cdc_name) - 1, sizeof(udi_msft_magic) - 1)];
#endif
};
static UDC_DESC_STORAGE struct extra_strings_desc_t extra_strings_desc = {
.header.bDescriptorType = USB_DT_STRING
@ -211,10 +223,12 @@ bool usb_task_extra_string(void) {
str_lgt = sizeof(udi_cdc_name) - 1;
str = udi_cdc_name;
break;
#if ENABLED(SDSUPPORT)
case UDI_MSC_STRING_ID:
str_lgt = sizeof(udi_msc_name) - 1;
str = udi_msc_name;
break;
#endif
case 0xEE:
str_lgt = sizeof(udi_msft_magic) - 1;
str = udi_msft_magic;