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authorDamien George <damien.p.george@gmail.com>2014-03-22 12:32:54 +0000
committerDamien George <damien.p.george@gmail.com>2014-03-22 12:32:54 +0000
commitfb25c2d95f2c2e9e5fdf372caa16398eafe3910d (patch)
tree62f5ad5d68ad63f2b189ba91c424ae3a49ece08f
parentb32db4e1ad381edaaf91320cb2830e4a1b151863 (diff)
downloadmicropython-fb25c2d95f2c2e9e5fdf372caa16398eafe3910d.tar.gz
micropython-fb25c2d95f2c2e9e5fdf372caa16398eafe3910d.zip
stmhal: USB CDC and MSC device work together.
Diffstat
-rw-r--r--stmhal/Makefile16
-rw-r--r--stmhal/main.c1
-rw-r--r--stmhal/usb.c19
-rw-r--r--stmhal/usbd_conf.c8
-rw-r--r--stmhal/usbd_desc_cdc_msc.c228
-rw-r--r--stmhal/usbd_msc_storage.c2
-rw-r--r--stmhal/usbdev/class/cdc_msc/inc/usbd_cdc_msc.h134
-rw-r--r--stmhal/usbdev/class/cdc_msc/inc/usbd_msc_bot.h151
-rw-r--r--stmhal/usbdev/class/cdc_msc/inc/usbd_msc_data.h104
-rw-r--r--stmhal/usbdev/class/cdc_msc/inc/usbd_msc_scsi.h193
-rw-r--r--stmhal/usbdev/class/cdc_msc/src/usbd_cdc_msc.c583
-rw-r--r--stmhal/usbdev/class/cdc_msc/src/usbd_msc.c609
-rw-r--r--stmhal/usbdev/class/cdc_msc/src/usbd_msc_bot.c407
-rw-r--r--stmhal/usbdev/class/cdc_msc/src/usbd_msc_data.c134
-rw-r--r--stmhal/usbdev/class/cdc_msc/src/usbd_msc_scsi.c770
15 files changed, 3344 insertions, 15 deletions
diff --git a/stmhal/Makefile b/stmhal/Makefile
index 86791607a9..6bb60ec89c 100644
--- a/stmhal/Makefile
+++ b/stmhal/Makefile
@@ -21,7 +21,7 @@ INC += -I$(PY_SRC)
INC += -I$(CMSIS_DIR)/inc
INC += -I$(CMSIS_DIR)/devinc
INC += -I$(HAL_DIR)/inc
-INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/cdc/inc -I$(USBDEV_DIR)/class/msc/inc
+INC += -I$(USBDEV_DIR)/core/inc -I$(USBDEV_DIR)/class/cdc_msc/inc
#INC += -I$(USBHOST_DIR)
INC += -I$(FATFS_DIR)/src
#INC += -I$(CC3K_DIR)
@@ -56,9 +56,8 @@ SRC_C = \
stm32f4xx_it.c \
stm32f4xx_hal_msp.c \
usbd_conf.c \
- usbd_desc_vcp.c \
+ usbd_desc_cdc_msc.c \
usbd_cdc_interface.c \
- usbd_desc_msc.c \
usbd_msc_storage.c \
pendsv.c \
systick.c \
@@ -124,13 +123,14 @@ SRC_USBDEV = $(addprefix $(USBDEV_DIR)/,\
core/src/usbd_core.c \
core/src/usbd_ctlreq.c \
core/src/usbd_ioreq.c \
- class/cdc/src/usbd_cdc.c \
- class/msc/src/usbd_msc.c \
- class/msc/src/usbd_msc_bot.c \
- class/msc/src/usbd_msc_scsi.c \
- class/msc/src/usbd_msc_data.c \
+ class/cdc_msc/src/usbd_cdc_msc.c \
+ class/cdc_msc/src/usbd_msc_bot.c \
+ class/cdc_msc/src/usbd_msc_scsi.c \
+ class/cdc_msc/src/usbd_msc_data.c \
)
+# class/cdc/src/usbd_cdc.c \
+ class/msc/src/usbd_msc.c \
# usbd_core.c \
usbd_ioreq.c \
usbd_req.c \
diff --git a/stmhal/main.c b/stmhal/main.c
index d92ccdd5b1..f07a5eef12 100644
--- a/stmhal/main.c
+++ b/stmhal/main.c
@@ -336,7 +336,6 @@ soft_reset:
fno.lfname = NULL;
fno.lfsize = 0;
#endif
- led_debug(0, 500);
FRESULT res = f_stat("0:/boot.py", &fno);
if (res == FR_OK) {
if (fno.fattrib & AM_DIR) {
diff --git a/stmhal/usb.c b/stmhal/usb.c
index c14a5ad688..43fc6d7a82 100644
--- a/stmhal/usb.c
+++ b/stmhal/usb.c
@@ -2,9 +2,8 @@
#include "usbd_core.h"
#include "usbd_desc.h"
-#include "usbd_cdc.h"
+#include "usbd_cdc_msc.h"
#include "usbd_cdc_interface.h"
-#include "usbd_msc.h"
#include "usbd_msc_storage.h"
#include "misc.h"
@@ -26,6 +25,7 @@ void pyb_usb_dev_init(usbd_device_kind_t device_kind, usbd_storage_medium_kind_t
if (!dev_is_enabled) {
// only init USB once in the device's power-lifetime
switch (device_kind) {
+ #if 0
case USBD_DEVICE_CDC:
// XXX USBD_CDC_Init (called by one of these functions below) uses malloc,
// so the memory is invalid after a soft reset (which resets the GC).
@@ -48,6 +48,21 @@ void pyb_usb_dev_init(usbd_device_kind_t device_kind, usbd_storage_medium_kind_t
}
USBD_Start(&hUSBDDevice);
break;
+ #endif
+
+ case USBD_DEVICE_CDC:
+ case USBD_DEVICE_MSC:
+ USBD_Init(&hUSBDDevice, &VCP_Desc, 0);
+ USBD_RegisterClass(&hUSBDDevice, &USBD_CDC_MSC);
+ USBD_CDC_RegisterInterface(&hUSBDDevice, (USBD_CDC_ItfTypeDef*)&USBD_CDC_fops);
+ if (medium_kind == USBD_STORAGE_MEDIUM_FLASH) {
+ USBD_MSC_RegisterStorage(&hUSBDDevice, (USBD_StorageTypeDef*)&USBD_FLASH_STORAGE_fops);
+ } else {
+ USBD_MSC_RegisterStorage(&hUSBDDevice, (USBD_StorageTypeDef*)&USBD_SDCARD_STORAGE_fops);
+ }
+ USBD_Start(&hUSBDDevice);
+ break;
+
case USBD_DEVICE_HID:
//USBD_Init(&USB_OTG_Core, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_PYB_HID_cb, &USR_cb);
diff --git a/stmhal/usbd_conf.c b/stmhal/usbd_conf.c
index 4a4414afe2..9df3b673c3 100644
--- a/stmhal/usbd_conf.c
+++ b/stmhal/usbd_conf.c
@@ -342,10 +342,12 @@ USBD_StatusTypeDef USBD_LL_Init (USBD_HandleTypeDef *pdev)
pdev->pData = &hpcd;
/*Initialize LL Driver */
HAL_PCD_Init(&hpcd);
-
+
HAL_PCD_SetRxFiFo(&hpcd, 0x80);
- HAL_PCD_SetTxFiFo(&hpcd, 0, 0x40);
- HAL_PCD_SetTxFiFo(&hpcd, 1, 0x80);
+ HAL_PCD_SetTxFiFo(&hpcd, 0, 0x20);
+ HAL_PCD_SetTxFiFo(&hpcd, 1, 0x40);
+ HAL_PCD_SetTxFiFo(&hpcd, 2, 0x20);
+ HAL_PCD_SetTxFiFo(&hpcd, 3, 0x40);
#endif
diff --git a/stmhal/usbd_desc_cdc_msc.c b/stmhal/usbd_desc_cdc_msc.c
new file mode 100644
index 0000000000..edcb4b3431
--- /dev/null
+++ b/stmhal/usbd_desc_cdc_msc.c
@@ -0,0 +1,228 @@
+/**
+ ******************************************************************************
+ * @file USB_Device/CDC_Standalone/Src/usbd_desc.c
+ * @author MCD Application Team
+ * @version V1.0.1
+ * @date 26-February-2014
+ * @brief This file provides the USBD descriptors and string formating method.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_core.h"
+#include "usbd_desc.h"
+#include "usbd_conf.h"
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define USBD_VID 0x0483
+#define USBD_PID 0x5740
+#define USBD_LANGID_STRING 0x409
+#define USBD_MANUFACTURER_STRING "STMicroelectronics"
+#define USBD_PRODUCT_HS_STRING "STM32 Virtual ComPort in HS Mode"
+#define USBD_SERIALNUMBER_HS_STRING "00000000001A"
+#define USBD_PRODUCT_FS_STRING "STM32 Virtual ComPort in FS Mode"
+#define USBD_SERIALNUMBER_FS_STRING "00000000001B"
+#define USBD_CONFIGURATION_HS_STRING "VCP Config"
+#define USBD_INTERFACE_HS_STRING "VCP Interface"
+#define USBD_CONFIGURATION_FS_STRING "VCP Config"
+#define USBD_INTERFACE_FS_STRING "VCP Interface"
+
+/* Private macro -------------------------------------------------------------*/
+/* Private function prototypes -----------------------------------------------*/
+uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length);
+#ifdef USB_SUPPORT_USER_STRING_DESC
+uint8_t *USBD_VCP_USRStringDesc (USBD_SpeedTypeDef speed, uint8_t idx, uint16_t *length);
+#endif /* USB_SUPPORT_USER_STRING_DESC */
+
+/* Private variables ---------------------------------------------------------*/
+USBD_DescriptorsTypeDef VCP_Desc = {
+ USBD_VCP_DeviceDescriptor,
+ USBD_VCP_LangIDStrDescriptor,
+ USBD_VCP_ManufacturerStrDescriptor,
+ USBD_VCP_ProductStrDescriptor,
+ USBD_VCP_SerialStrDescriptor,
+ USBD_VCP_ConfigStrDescriptor,
+ USBD_VCP_InterfaceStrDescriptor,
+};
+
+/* USB Standard Device Descriptor */
+#if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+#endif
+__ALIGN_BEGIN static uint8_t hUSBDDeviceDesc[USB_LEN_DEV_DESC] __ALIGN_END = {
+ 0x12, /* bLength */
+ USB_DESC_TYPE_DEVICE, /* bDescriptorType */
+ 0x00, /* bcdUSB */
+ 0x02,
+ 0x00, /* bDeviceClass */
+ 0x00, /* bDeviceSubClass */
+ 0x00, /* bDeviceProtocol */
+ USB_MAX_EP0_SIZE, /* bMaxPacketSize */
+ LOBYTE(USBD_VID), /* idVendor */
+ HIBYTE(USBD_VID), /* idVendor */
+ LOBYTE(USBD_PID), /* idVendor */
+ HIBYTE(USBD_PID), /* idVendor */
+ 0x00, /* bcdDevice rel. 2.00 */
+ 0x02,
+ USBD_IDX_MFC_STR, /* Index of manufacturer string */
+ USBD_IDX_PRODUCT_STR, /* Index of product string */
+ USBD_IDX_SERIAL_STR, /* Index of serial number string */
+ USBD_MAX_NUM_CONFIGURATION /* bNumConfigurations */
+}; /* USB_DeviceDescriptor */
+
+/* USB Standard Device Descriptor */
+#if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+#endif
+__ALIGN_BEGIN static uint8_t USBD_LangIDDesc[USB_LEN_LANGID_STR_DESC] __ALIGN_END = {
+ USB_LEN_LANGID_STR_DESC,
+ USB_DESC_TYPE_STRING,
+ LOBYTE(USBD_LANGID_STRING),
+ HIBYTE(USBD_LANGID_STRING),
+};
+
+#if defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+#endif
+__ALIGN_BEGIN static uint8_t USBD_StrDesc[USBD_MAX_STR_DESC_SIZ] __ALIGN_END;
+
+/* Private functions ---------------------------------------------------------*/
+
+/**
+ * @brief Returns the device descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_DeviceDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ *length = sizeof(hUSBDDeviceDesc);
+ return hUSBDDeviceDesc;
+}
+
+/**
+ * @brief Returns the LangID string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_LangIDStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ *length = sizeof(USBD_LangIDDesc);
+ return USBD_LangIDDesc;
+}
+
+/**
+ * @brief Returns the product string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_ProductStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ if(speed == 0)
+ {
+ USBD_GetString((uint8_t *)USBD_PRODUCT_HS_STRING, USBD_StrDesc, length);
+ }
+ else
+ {
+ USBD_GetString((uint8_t *)USBD_PRODUCT_FS_STRING, USBD_StrDesc, length);
+ }
+ return USBD_StrDesc;
+}
+
+/**
+ * @brief Returns the manufacturer string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_ManufacturerStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ USBD_GetString((uint8_t *)USBD_MANUFACTURER_STRING, USBD_StrDesc, length);
+ return USBD_StrDesc;
+}
+
+/**
+ * @brief Returns the serial number string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_SerialStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ if(speed == USBD_SPEED_HIGH)
+ {
+ USBD_GetString((uint8_t *)USBD_SERIALNUMBER_HS_STRING, USBD_StrDesc, length);
+ }
+ else
+ {
+ USBD_GetString((uint8_t *)USBD_SERIALNUMBER_FS_STRING, USBD_StrDesc, length);
+ }
+ return USBD_StrDesc;
+}
+
+/**
+ * @brief Returns the configuration string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_ConfigStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ if(speed == USBD_SPEED_HIGH)
+ {
+ USBD_GetString((uint8_t *)USBD_CONFIGURATION_HS_STRING, USBD_StrDesc, length);
+ }
+ else
+ {
+ USBD_GetString((uint8_t *)USBD_CONFIGURATION_FS_STRING, USBD_StrDesc, length);
+ }
+ return USBD_StrDesc;
+}
+
+/**
+ * @brief Returns the interface string descriptor.
+ * @param speed: Current device speed
+ * @param length: Pointer to data length variable
+ * @retval Pointer to descriptor buffer
+ */
+uint8_t *USBD_VCP_InterfaceStrDescriptor(USBD_SpeedTypeDef speed, uint16_t *length)
+{
+ if(speed == 0)
+ {
+ USBD_GetString((uint8_t *)USBD_INTERFACE_HS_STRING, USBD_StrDesc, length);
+ }
+ else
+ {
+ USBD_GetString((uint8_t *)USBD_INTERFACE_FS_STRING, USBD_StrDesc, length);
+ }
+ return USBD_StrDesc;
+}
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/stmhal/usbd_msc_storage.c b/stmhal/usbd_msc_storage.c
index e5c75e27c7..ce6d3a5608 100644
--- a/stmhal/usbd_msc_storage.c
+++ b/stmhal/usbd_msc_storage.c
@@ -27,7 +27,7 @@
******************************************************************************
*/
-#include "usbd_msc.h"
+#include "usbd_cdc_msc.h"
#include "usbd_msc_storage.h"
#include "misc.h"
diff --git a/stmhal/usbdev/class/cdc_msc/inc/usbd_cdc_msc.h b/stmhal/usbdev/class/cdc_msc/inc/usbd_cdc_msc.h
new file mode 100644
index 0000000000..6b738adde4
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/inc/usbd_cdc_msc.h
@@ -0,0 +1,134 @@
+#ifndef _USB_CDC_MSC_CORE_H_
+#define _USB_CDC_MSC_CORE_H_
+
+#include "usbd_msc_bot.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_ioreq.h"
+
+// CDC endpoint parameters
+#define CDC_DATA_FS_MAX_PACKET_SIZE 64 // Endpoint IN & OUT Packet size
+#define CDC_CMD_PACKET_SIZE 8 // Control Endpoint Packet size
+#define CDC_DATA_FS_IN_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE
+#define CDC_DATA_FS_OUT_PACKET_SIZE CDC_DATA_FS_MAX_PACKET_SIZE
+
+#if 0
+// CDC
+#define USB_CDC_MSC_CONFIG_DESC_SIZ (75)
+#define NUM_INTERFACES (2)
+#define USE_CDC (1)
+#define USE_MSC (0)
+#define CDC_IN_EP 0x81 /* EP1 for data IN */
+#define CDC_OUT_EP 0x01 /* EP1 for data OUT */
+#define CDC_CMD_EP 0x82 /* EP2 for CDC commands */
+#define MSC_IN_EP (0x83)
+#define MSC_OUT_EP (0x03)
+#elif 0
+// MSC
+#define USB_CDC_MSC_CONFIG_DESC_SIZ (32)
+#define NUM_INTERFACES (1)
+#define USE_CDC (0)
+#define USE_MSC (1)
+#define CDC_IN_EP 0x81 /* EP1 for data IN */
+#define CDC_OUT_EP 0x01 /* EP1 for data OUT */
+#define CDC_CMD_EP 0x82 /* EP2 for CDC commands */
+#define MSC_IFACE_NUM (0)
+#define MSC_IN_EP (0x81)
+#define MSC_OUT_EP (0x01)
+#elif 0
+// CDC + MSC
+#define USB_CDC_MSC_CONFIG_DESC_SIZ (98)
+#define NUM_INTERFACES (3)
+#define USE_CDC (1)
+#define USE_MSC (1)
+#define CDC_IFACE_NUM (0)
+#define CDC_IN_EP 0x81 /* EP1 for data IN */
+#define CDC_OUT_EP 0x01 /* EP1 for data OUT */
+#define CDC_CMD_EP 0x82 /* EP2 for CDC commands */
+#define MSC_IFACE_NUM (2)
+#define MSC_IN_EP (0x83)
+#define MSC_OUT_EP (0x03)
+#else
+// MSC + CDC
+#define USB_CDC_MSC_CONFIG_DESC_SIZ (98)
+#define NUM_INTERFACES (3)
+#define USE_CDC (1)
+#define USE_MSC (1)
+#define CDC_IFACE_NUM (1)
+#define CDC_IN_EP 0x83 /* EP1 for data IN */
+#define CDC_OUT_EP 0x03 /* EP1 for data OUT */
+#define CDC_CMD_EP 0x82 /* EP2 for CDC commands */
+#define MSC_IFACE_NUM (0)
+#define MSC_IN_EP (0x81)
+#define MSC_OUT_EP (0x01)
+#endif
+
+typedef struct {
+ uint32_t bitrate;
+ uint8_t format;
+ uint8_t paritytype;
+ uint8_t datatype;
+} USBD_CDC_LineCodingTypeDef;
+
+typedef struct _USBD_CDC_Itf {
+ int8_t (* Init) (void);
+ int8_t (* DeInit) (void);
+ int8_t (* Control) (uint8_t, uint8_t * , uint16_t);
+ int8_t (* Receive) (uint8_t *, uint32_t *);
+} USBD_CDC_ItfTypeDef;
+
+typedef struct {
+ uint32_t data[CDC_DATA_FS_MAX_PACKET_SIZE/4]; /* Force 32bits alignment */
+ uint8_t CmdOpCode;
+ uint8_t CmdLength;
+ uint8_t *RxBuffer;
+ uint8_t *TxBuffer;
+ uint32_t RxLength;
+ uint32_t TxLength;
+
+ __IO uint32_t TxState;
+ __IO uint32_t RxState;
+} USBD_CDC_HandleTypeDef;
+
+typedef struct _USBD_STORAGE {
+ int8_t (* Init) (uint8_t lun);
+ int8_t (* GetCapacity) (uint8_t lun, uint32_t *block_num, uint16_t *block_size);
+ int8_t (* IsReady) (uint8_t lun);
+ int8_t (* IsWriteProtected) (uint8_t lun);
+ int8_t (* Read) (uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+ int8_t (* Write)(uint8_t lun, uint8_t *buf, uint32_t blk_addr, uint16_t blk_len);
+ int8_t (* GetMaxLun)(void);
+ int8_t *pInquiry;
+} USBD_StorageTypeDef;
+
+typedef struct {
+ uint32_t max_lun;
+ uint32_t interface;
+ uint8_t bot_state;
+ uint8_t bot_status;
+ uint16_t bot_data_length;
+ uint8_t bot_data[MSC_MEDIA_PACKET];
+ USBD_MSC_BOT_CBWTypeDef cbw;
+ USBD_MSC_BOT_CSWTypeDef csw;
+
+ USBD_SCSI_SenseTypeDef scsi_sense [SENSE_LIST_DEEPTH];
+ uint8_t scsi_sense_head;
+ uint8_t scsi_sense_tail;
+
+ uint16_t scsi_blk_size;
+ uint32_t scsi_blk_nbr;
+
+ uint32_t scsi_blk_addr;
+ uint32_t scsi_blk_len;
+} USBD_MSC_BOT_HandleTypeDef;
+
+extern USBD_ClassTypeDef USBD_CDC_MSC;
+
+uint8_t USBD_CDC_RegisterInterface (USBD_HandleTypeDef *pdev, USBD_CDC_ItfTypeDef *fops);
+uint8_t USBD_CDC_SetTxBuffer (USBD_HandleTypeDef *pdev, uint8_t *pbuff, uint16_t length);
+uint8_t USBD_CDC_SetRxBuffer (USBD_HandleTypeDef *pdev, uint8_t *pbuff);
+uint8_t USBD_CDC_ReceivePacket (USBD_HandleTypeDef *pdev);
+uint8_t USBD_CDC_TransmitPacket (USBD_HandleTypeDef *pdev);
+
+uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops);
+
+#endif // _USB_CDC_MSC_CORE_H_
diff --git a/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_bot.h b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_bot.h
new file mode 100644
index 0000000000..41f8ab5a53
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_bot.h
@@ -0,0 +1,151 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_bot.h
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief header for the usbd_msc_bot.c file
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+
+#include "usbd_core.h"
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_BOT_H
+#define __USBD_MSC_BOT_H
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup MSC_BOT
+ * @brief This file is the Header file for usbd_bot.c
+ * @{
+ */
+
+
+/** @defgroup USBD_CORE_Exported_Defines
+ * @{
+ */
+#define USBD_BOT_IDLE 0 /* Idle state */
+#define USBD_BOT_DATA_OUT 1 /* Data Out state */
+#define USBD_BOT_DATA_IN 2 /* Data In state */
+#define USBD_BOT_LAST_DATA_IN 3 /* Last Data In Last */
+#define USBD_BOT_SEND_DATA 4 /* Send Immediate data */
+#define USBD_BOT_NO_DATA 5 /* No data Stage */
+
+#define USBD_BOT_CBW_SIGNATURE 0x43425355
+#define USBD_BOT_CSW_SIGNATURE 0x53425355
+#define USBD_BOT_CBW_LENGTH 31
+#define USBD_BOT_CSW_LENGTH 13
+#define USBD_BOT_MAX_DATA 256
+
+/* CSW Status Definitions */
+#define USBD_CSW_CMD_PASSED 0x00
+#define USBD_CSW_CMD_FAILED 0x01
+#define USBD_CSW_PHASE_ERROR 0x02
+
+/* BOT Status */
+#define USBD_BOT_STATUS_NORMAL 0
+#define USBD_BOT_STATUS_RECOVERY 1
+#define USBD_BOT_STATUS_ERROR 2
+
+
+#define USBD_DIR_IN 0
+#define USBD_DIR_OUT 1
+#define USBD_BOTH_DIR 2
+
+/**
+ * @}
+ */
+
+/** @defgroup MSC_CORE_Private_TypesDefinitions
+ * @{
+ */
+
+typedef struct
+{
+ uint32_t dSignature;
+ uint32_t dTag;
+ uint32_t dDataLength;
+ uint8_t bmFlags;
+ uint8_t bLUN;
+ uint8_t bCBLength;
+ uint8_t CB[16];
+ uint8_t ReservedForAlign;
+}
+USBD_MSC_BOT_CBWTypeDef;
+
+
+typedef struct
+{
+ uint32_t dSignature;
+ uint32_t dTag;
+ uint32_t dDataResidue;
+ uint8_t bStatus;
+ uint8_t ReservedForAlign[3];
+}
+USBD_MSC_BOT_CSWTypeDef;
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_CORE_Exported_Types
+ * @{
+ */
+
+/**
+ * @}
+ */
+/** @defgroup USBD_CORE_Exported_FunctionsPrototypes
+ * @{
+ */
+void MSC_BOT_Init (USBD_HandleTypeDef *pdev);
+void MSC_BOT_Reset (USBD_HandleTypeDef *pdev);
+void MSC_BOT_DeInit (USBD_HandleTypeDef *pdev);
+void MSC_BOT_DataIn (USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+void MSC_BOT_DataOut (USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+void MSC_BOT_SendCSW (USBD_HandleTypeDef *pdev,
+ uint8_t CSW_Status);
+
+void MSC_BOT_CplClrFeature (USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+/**
+ * @}
+ */
+
+#endif /* __USBD_MSC_BOT_H */
+/**
+ * @}
+ */
+
+/**
+* @}
+*/
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_data.h b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_data.h
new file mode 100644
index 0000000000..f468267f43
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_data.h
@@ -0,0 +1,104 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_data.h
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief header for the usbd_msc_data.c file
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+
+#ifndef _USBD_MSC_DATA_H_
+#define _USBD_MSC_DATA_H_
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_conf.h"
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USB_INFO
+ * @brief general defines for the usb device library file
+ * @{
+ */
+
+/** @defgroup USB_INFO_Exported_Defines
+ * @{
+ */
+#define MODE_SENSE6_LEN 8
+#define MODE_SENSE10_LEN 8
+#define LENGTH_INQUIRY_PAGE00 7
+#define LENGTH_FORMAT_CAPACITIES 20
+
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_INFO_Exported_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+
+/** @defgroup USBD_INFO_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_INFO_Exported_Variables
+ * @{
+ */
+extern const uint8_t MSC_Page00_Inquiry_Data[];
+extern const uint8_t MSC_Mode_Sense6_data[];
+extern const uint8_t MSC_Mode_Sense10_data[] ;
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_INFO_Exported_FunctionsPrototype
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+#endif /* _USBD_MSC_DATA_H_ */
+
+/**
+ * @}
+ */
+
+/**
+* @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_scsi.h b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_scsi.h
new file mode 100644
index 0000000000..dea247bca8
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/inc/usbd_msc_scsi.h
@@ -0,0 +1,193 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_scsi.h
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief header for the usbd_msc_scsi.c file
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Define to prevent recursive inclusion -------------------------------------*/
+#ifndef __USBD_MSC_SCSI_H
+#define __USBD_MSC_SCSI_H
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_def.h"
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+/** @defgroup USBD_SCSI
+ * @brief header file for the storage disk file
+ * @{
+ */
+
+/** @defgroup USBD_SCSI_Exported_Defines
+ * @{
+ */
+
+#define SENSE_LIST_DEEPTH 4
+
+/* SCSI Commands */
+#define SCSI_FORMAT_UNIT 0x04
+#define SCSI_INQUIRY 0x12
+#define SCSI_MODE_SELECT6 0x15
+#define SCSI_MODE_SELECT10 0x55
+#define SCSI_MODE_SENSE6 0x1A
+#define SCSI_MODE_SENSE10 0x5A
+#define SCSI_ALLOW_MEDIUM_REMOVAL 0x1E
+#define SCSI_READ6 0x08
+#define SCSI_READ10 0x28
+#define SCSI_READ12 0xA8
+#define SCSI_READ16 0x88
+
+#define SCSI_READ_CAPACITY10 0x25
+#define SCSI_READ_CAPACITY16 0x9E
+
+#define SCSI_REQUEST_SENSE 0x03
+#define SCSI_START_STOP_UNIT 0x1B
+#define SCSI_TEST_UNIT_READY 0x00
+#define SCSI_WRITE6 0x0A
+#define SCSI_WRITE10 0x2A
+#define SCSI_WRITE12 0xAA
+#define SCSI_WRITE16 0x8A
+
+#define SCSI_VERIFY10 0x2F
+#define SCSI_VERIFY12 0xAF
+#define SCSI_VERIFY16 0x8F
+
+#define SCSI_SEND_DIAGNOSTIC 0x1D
+#define SCSI_READ_FORMAT_CAPACITIES 0x23
+
+#define NO_SENSE 0
+#define RECOVERED_ERROR 1
+#define NOT_READY 2
+#define MEDIUM_ERROR 3
+#define HARDWARE_ERROR 4
+#define ILLEGAL_REQUEST 5
+#define UNIT_ATTENTION 6
+#define DATA_PROTECT 7
+#define BLANK_CHECK 8
+#define VENDOR_SPECIFIC 9
+#define COPY_ABORTED 10
+#define ABORTED_COMMAND 11
+#define VOLUME_OVERFLOW 13
+#define MISCOMPARE 14
+
+
+#define INVALID_CDB 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 WRITE_PROTECTED 0x27
+#define UNRECOVERED_READ_ERROR 0x11
+#define WRITE_FAULT 0x03
+
+#define READ_FORMAT_CAPACITY_DATA_LEN 0x0C
+#define READ_CAPACITY10_DATA_LEN 0x08
+#define MODE_SENSE10_DATA_LEN 0x08
+#define MODE_SENSE6_DATA_LEN 0x04
+#define REQUEST_SENSE_DATA_LEN 0x12
+#define STANDARD_INQUIRY_DATA_LEN 0x24
+#define BLKVFY 0x04
+
+extern uint8_t Page00_Inquiry_Data[];
+extern uint8_t Standard_Inquiry_Data[];
+extern uint8_t Standard_Inquiry_Data2[];
+extern uint8_t Mode_Sense6_data[];
+extern uint8_t Mode_Sense10_data[];
+extern uint8_t Scsi_Sense_Data[];
+extern uint8_t ReadCapacity10_Data[];
+extern uint8_t ReadFormatCapacity_Data [];
+/**
+ * @}
+ */
+
+
+/** @defgroup USBD_SCSI_Exported_TypesDefinitions
+ * @{
+ */
+
+typedef struct _SENSE_ITEM {
+ char Skey;
+ union {
+ struct _ASCs {
+ char ASC;
+ char ASCQ;
+ }b;
+ unsigned int ASC;
+ char *pData;
+ } w;
+} USBD_SCSI_SenseTypeDef;
+/**
+ * @}
+ */
+
+/** @defgroup USBD_SCSI_Exported_Macros
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+/** @defgroup USBD_SCSI_Exported_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+/** @defgroup USBD_SCSI_Exported_FunctionsPrototype
+ * @{
+ */
+int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev,
+ uint8_t lun,
+ uint8_t *cmd);
+
+void SCSI_SenseCode(USBD_HandleTypeDef *pdev,
+ uint8_t lun,
+ uint8_t sKey,
+ uint8_t ASC);
+
+/**
+ * @}
+ */
+
+#endif /* __USBD_MSC_SCSI_H */
+/**
+ * @}
+ */
+
+/**
+ * @}
+ */
+
+/**
+* @}
+*/
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
+
diff --git a/stmhal/usbdev/class/cdc_msc/src/usbd_cdc_msc.c b/stmhal/usbdev/class/cdc_msc/src/usbd_cdc_msc.c
new file mode 100644
index 0000000000..8ebf33a109
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/src/usbd_cdc_msc.c
@@ -0,0 +1,583 @@
+#include "usbd_ioreq.h"
+#include "usbd_cdc_msc.h"
+
+#define USB_DESC_TYPE_ASSOCIATION (0x0b)
+
+/* currently unused
+#define CDC_SEND_ENCAPSULATED_COMMAND 0x00
+#define CDC_GET_ENCAPSULATED_RESPONSE 0x01
+#define CDC_SET_COMM_FEATURE 0x02
+#define CDC_GET_COMM_FEATURE 0x03
+#define CDC_CLEAR_COMM_FEATURE 0x04
+#define CDC_SET_LINE_CODING 0x20
+#define CDC_GET_LINE_CODING 0x21
+#define CDC_SET_CONTROL_LINE_STATE 0x22
+#define CDC_SEND_BREAK 0x23
+*/
+
+#define BOT_GET_MAX_LUN 0xFE
+#define BOT_RESET 0xFF
+#define USB_MSC_CONFIG_DESC_SIZ 32
+
+#define MSC_MAX_FS_PACKET 0x40
+
+static USBD_CDC_ItfTypeDef *CDC_fops;
+static USBD_StorageTypeDef *MSC_fops;
+
+static USBD_CDC_HandleTypeDef CDC_ClassData;
+static USBD_MSC_BOT_HandleTypeDef MSC_BOT_ClassData;
+
+// I don't think we can make these descriptors constant because they are
+// modified (perhaps unnecessarily) by the USB driver.
+
+// USB Standard Device Descriptor
+__ALIGN_BEGIN static uint8_t USBD_CDC_MSC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END = {
+ USB_LEN_DEV_QUALIFIER_DESC,
+ USB_DESC_TYPE_DEVICE_QUALIFIER,
+ 0x00,
+ 0x02,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x40, // same for CDC and MSC (latter being MSC_MAX_FS_PACKET)
+ 0x01,
+ 0x00,
+};
+
+// USB CDC MSC device Configuration Descriptor
+__ALIGN_BEGIN static uint8_t USBD_CDC_MSC_CfgFSDesc[USB_CDC_MSC_CONFIG_DESC_SIZ] __ALIGN_END = {
+ //--------------------------------------------------------------------------
+ // Configuration Descriptor
+ 0x09, // bLength: Configuration Descriptor size
+ USB_DESC_TYPE_CONFIGURATION, // bDescriptorType: Configuration
+ LOBYTE(USB_CDC_MSC_CONFIG_DESC_SIZ), // wTotalLength: no of returned bytes
+ HIBYTE(USB_CDC_MSC_CONFIG_DESC_SIZ),
+ NUM_INTERFACES, // bNumInterfaces: 3 interfaces
+ 0x01, // bConfigurationValue: Configuration value
+ 0x00, // iConfiguration: Index of string descriptor describing the configuration
+ 0x80, // bmAttributes: bus powered; 0xc0 for self powered
+ 0xfa, // bMaxPower: in units of 2mA
+
+#if USE_CDC
+ //==========================================================================
+ // Interface Association for CDC VCP
+ 0x08, // bLength: 8 bytes
+ USB_DESC_TYPE_ASSOCIATION, // bDescriptorType: IAD
+ CDC_IFACE_NUM, // bFirstInterface: first interface for this association
+ 0x02, // bInterfaceCount: nummber of interfaces for this association
+ 0x00, // bFunctionClass: ?
+ 0x00, // bFunctionSubClass: ?
+ 0x00, // bFunctionProtocol: ?
+ 0x00, // iFunction: index of string for this function
+
+ //--------------------------------------------------------------------------
+ // Interface Descriptor
+ 0x09, // bLength: Interface Descriptor size
+ USB_DESC_TYPE_INTERFACE, // bDescriptorType: Interface
+ CDC_IFACE_NUM, // bInterfaceNumber: Number of Interface
+ 0x00, // bAlternateSetting: Alternate setting
+ 0x01, // bNumEndpoints: One endpoints used
+ 0x02, // bInterfaceClass: Communication Interface Class
+ 0x02, // bInterfaceSubClass: Abstract Control Model
+ 0x01, // bInterfaceProtocol: Common AT commands
+ 0x00, // iInterface:
+
+ // Header Functional Descriptor
+ 0x05, // bLength: Endpoint Descriptor size
+ 0x24, // bDescriptorType: CS_INTERFACE
+ 0x00, // bDescriptorSubtype: Header Func Desc
+ 0x10, // bcdCDC: spec release number
+ 0x01, // ?
+
+ // Call Management Functional Descriptor
+ 0x05, // bFunctionLength
+ 0x24, // bDescriptorType: CS_INTERFACE
+ 0x01, // bDescriptorSubtype: Call Management Func Desc
+ 0x00, // bmCapabilities: D0+D1
+ CDC_IFACE_NUM + 1, // bDataInterface: 1
+
+ // ACM Functional Descriptor
+ 0x04, // bFunctionLength
+ 0x24, // bDescriptorType: CS_INTERFACE
+ 0x02, // bDescriptorSubtype: Abstract Control Management desc
+ 0x02, // bmCapabilities
+
+ // Union Functional Descriptor
+ 0x05, // bFunctionLength
+ 0x24, // bDescriptorType: CS_INTERFACE
+ 0x06, // bDescriptorSubtype: Union func desc
+ CDC_IFACE_NUM + 0, // bMasterInterface: Communication class interface
+ CDC_IFACE_NUM + 1, // bSlaveInterface0: Data Class Interface
+
+ // Endpoint 2 Descriptor
+ 0x07, // bLength: Endpoint Descriptor size
+ USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
+ CDC_CMD_EP, // bEndpointAddress
+ 0x03, // bmAttributes: Interrupt
+ LOBYTE(CDC_CMD_PACKET_SIZE), // wMaxPacketSize:
+ HIBYTE(CDC_CMD_PACKET_SIZE),
+ 0x20, // bInterval: polling interval in frames of 1ms
+
+ //--------------------------------------------------------------------------
+ // Data class interface descriptor
+ 0x09, // bLength: Endpoint Descriptor size
+ USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface
+ CDC_IFACE_NUM + 1, // bInterfaceNumber: Number of Interface
+ 0x00, // bAlternateSetting: Alternate setting
+ 0x02, // bNumEndpoints: Two endpoints used
+ 0x0A, // bInterfaceClass: CDC
+ 0x00, // bInterfaceSubClass: ?
+ 0x00, // bInterfaceProtocol: ?
+ 0x00, // iInterface:
+
+ // Endpoint OUT Descriptor
+ 0x07, // bLength: Endpoint Descriptor size
+ USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
+ CDC_OUT_EP, // bEndpointAddress
+ 0x02, // bmAttributes: Bulk
+ LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
+ HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
+ 0x00, // bInterval: ignore for Bulk transfer
+
+ // Endpoint IN Descriptor
+ 0x07, // bLength: Endpoint Descriptor size
+ USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint
+ CDC_IN_EP, // bEndpointAddress
+ 0x02, // bmAttributes: Bulk
+ LOBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),// wMaxPacketSize:
+ HIBYTE(CDC_DATA_FS_MAX_PACKET_SIZE),
+ 0x00, // bInterval: ignore for Bulk transfer
+#endif
+
+#if USE_MSC
+ //==========================================================================
+ // MSC only has 1 interface so doesn't need an IAD
+
+ //--------------------------------------------------------------------------
+ // Interface Descriptor
+ 0x09, // bLength: Interface Descriptor size
+ USB_DESC_TYPE_INTERFACE, // bDescriptorType: interface descriptor
+ MSC_IFACE_NUM, // bInterfaceNumber: Number of Interface
+ 0x00, // bAlternateSetting: Alternate setting
+ 0x02, // bNumEndpoints
+ 0x08, // bInterfaceClass: MSC Class
+ 0x06, // bInterfaceSubClass : SCSI transparent
+ 0x50, // nInterfaceProtocol
+ 0x00, // iInterface:
+
+ // Endpoint IN descriptor
+ 0x07, // bLength: Endpoint descriptor length
+ USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
+ MSC_IN_EP, // bEndpointAddress: IN, address 3
+ 0x02, // bmAttributes: Bulk endpoint type
+ LOBYTE(MSC_MAX_FS_PACKET), // wMaxPacketSize
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00, // bInterval: ignore for Bulk transfer
+
+ // Endpoint OUT descriptor
+ 0x07, // bLength: Endpoint descriptor length
+ USB_DESC_TYPE_ENDPOINT, // bDescriptorType: Endpoint descriptor type
+ MSC_OUT_EP, // bEndpointAddress: OUT, address 3
+ 0x02, // bmAttributes: Bulk endpoint type
+ LOBYTE(MSC_MAX_FS_PACKET), // wMaxPacketSize
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00, // bInterval: ignore for Bulk transfer
+#endif
+};
+
+static uint8_t USBD_CDC_MSC_Init(USBD_HandleTypeDef *pdev, uint8_t cfgidx) {
+ if (pdev->dev_speed == USBD_SPEED_HIGH) {
+ // can't handle high speed
+ return 1;
+ }
+
+#if USE_CDC
+ //----------------------------------
+ // CDC VCP component
+
+ // Open EP IN
+ USBD_LL_OpenEP(pdev,
+ CDC_IN_EP,
+ USBD_EP_TYPE_BULK,
+ CDC_DATA_FS_IN_PACKET_SIZE);
+
+ // Open EP OUT
+ USBD_LL_OpenEP(pdev,
+ CDC_OUT_EP,
+ USBD_EP_TYPE_BULK,
+ CDC_DATA_FS_OUT_PACKET_SIZE);
+
+ // Open Command IN EP
+ USBD_LL_OpenEP(pdev,
+ CDC_CMD_EP,
+ USBD_EP_TYPE_INTR,
+ CDC_CMD_PACKET_SIZE);
+
+ // Init physical Interface components
+ CDC_fops->Init();
+
+ // Init Xfer states
+ CDC_ClassData.TxState =0;
+ CDC_ClassData.RxState =0;
+
+ // Prepare Out endpoint to receive next packet
+ USBD_LL_PrepareReceive(pdev, CDC_OUT_EP, CDC_ClassData.RxBuffer, CDC_DATA_FS_OUT_PACKET_SIZE);
+#endif
+
+#if USE_MSC
+ //----------------------------------
+ // MSC component
+
+ // Open EP OUT
+ USBD_LL_OpenEP(pdev,
+ MSC_OUT_EP,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+
+ // Open EP IN
+ USBD_LL_OpenEP(pdev,
+ MSC_IN_EP,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+
+ // MSC uses the pClassData pointer because SCSI and BOT reference it
+ pdev->pClassData = &MSC_BOT_ClassData;
+
+ // Init the BOT layer
+ MSC_BOT_Init(pdev);
+#endif
+
+ return 0;
+}
+
+static uint8_t USBD_CDC_MSC_DeInit(USBD_HandleTypeDef *pdev, uint8_t cfgidx) {
+#if USD_CDC
+ //----------------------------------
+ // CDC VCP component
+
+ // close endpoints
+ USBD_LL_CloseEP(pdev, CDC_IN_EP);
+ USBD_LL_CloseEP(pdev, CDC_OUT_EP);
+ USBD_LL_CloseEP(pdev, CDC_CMD_EP);
+
+ // DeInit physical Interface components
+ CDC_fops->DeInit();
+#endif
+
+#if USE_MSC
+ //----------------------------------
+ // MSC component
+
+ // close endpoints
+ USBD_LL_CloseEP(pdev, MSC_OUT_EP);
+ USBD_LL_CloseEP(pdev, MSC_IN_EP);
+
+ // DeInit the BOT layer
+ MSC_BOT_DeInit(pdev);
+
+ // clear the pointer
+ pdev->pClassData = NULL;
+#endif
+
+ return 0;
+}
+
+static uint8_t USBD_CDC_MSC_Setup(USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req) {
+
+ /*
+ printf("SU: %x %x %x %x\n", req->bmRequest, req->bRequest, req->wValue, req->wIndex);
+ This is what we get when MSC is IFACE=0 and CDC is IFACE=1,2:
+ SU: 21 22 0 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_CONTROL_LINE_STATE
+ SU: 21 20 0 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_LINE_CODING
+ SU: a1 fe 0 0 -- 0x80 | USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; BOT_GET_MAX_LUN; 0; 0
+ SU: 21 22 3 1 -- USB_REQ_TYPE_CLASS | USB_REQ_RECIPIENT_INTERFACE; CDC_SET_CONTROL_LINE_STATE
+ */
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK) {
+
+ /* Class request */
+ case USB_REQ_TYPE_CLASS :
+ // req->wIndex is the recipient interface number
+ if (0) {
+#if USE_CDC
+ } else if (req->wIndex == CDC_IFACE_NUM) {
+ // CDC component
+ if (req->wLength) {
+ if (req->bmRequest & 0x80)
+ {
+ CDC_fops->Control(req->bRequest, (uint8_t *)CDC_ClassData.data, req->wLength);
+ USBD_CtlSendData (pdev, (uint8_t *)CDC_ClassData.data, req->wLength);
+ }
+ else
+ {
+ CDC_ClassData.CmdOpCode = req->bRequest;
+ CDC_ClassData.CmdLength = req->wLength;
+ USBD_CtlPrepareRx (pdev, (uint8_t *)CDC_ClassData.data, req->wLength);
+ }
+ break;
+ }
+#endif
+#if USE_MSC
+ } else if (req->wIndex == MSC_IFACE_NUM) {
+ // MSC component
+ switch (req->bRequest) {
+ case BOT_GET_MAX_LUN :
+
+ if((req->wValue == 0) &&
+ (req->wLength == 1) &&
+ ((req->bmRequest & 0x80) == 0x80))
+ {
+ MSC_BOT_ClassData.max_lun = MSC_fops->GetMaxLun();
+ USBD_CtlSendData (pdev, (uint8_t *)&MSC_BOT_ClassData.max_lun, 1);
+ }
+ else
+ {
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+
+ case BOT_RESET :
+ if((req->wValue == 0) &&
+ (req->wLength == 0) &&
+ ((req->bmRequest & 0x80) != 0x80))
+ {
+ MSC_BOT_Reset(pdev);
+ }
+ else
+ {
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+ }
+#endif
+ break;
+
+ /* Interface & Endpoint request */
+ case USB_REQ_TYPE_STANDARD:
+#if USE_MSC
+ // MSC only
+ switch (req->bRequest) {
+ case USB_REQ_GET_INTERFACE :
+ USBD_CtlSendData(pdev, (uint8_t *)&MSC_BOT_ClassData.interface, 1);
+ break;
+
+ case USB_REQ_SET_INTERFACE :
+ MSC_BOT_ClassData.interface = (uint8_t)(req->wValue);
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+ /* Flush the FIFO and Clear the stall status */
+ USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
+
+ /* Re-activate the EP */
+ USBD_LL_CloseEP (pdev , (uint8_t)req->wIndex);
+ if((((uint8_t)req->wIndex) & 0x80) == 0x80) {
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev, MSC_IN_EP, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET);
+ } else {
+ /* Open EP OUT */
+ USBD_LL_OpenEP(pdev, MSC_OUT_EP, USBD_EP_TYPE_BULK, MSC_MAX_FS_PACKET);
+ }
+ /* Handle BOT error */
+ MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
+ break;
+ }
+#endif
+ break;
+ }
+ return USBD_OK;
+}
+
+static uint8_t USBD_CDC_MSC_EP0_RxReady(USBD_HandleTypeDef *pdev) {
+ if((CDC_fops != NULL) && (CDC_ClassData.CmdOpCode != 0xFF)) {
+ CDC_fops->Control(CDC_ClassData.CmdOpCode,
+ (uint8_t *)CDC_ClassData.data,
+ CDC_ClassData.CmdLength);
+ CDC_ClassData.CmdOpCode = 0xFF;
+
+ }
+ return USBD_OK;
+}
+
+static uint8_t USBD_CDC_MSC_DataIn(USBD_HandleTypeDef *pdev, uint8_t epnum) {
+ switch (epnum) {
+#if USE_CDC
+ case (CDC_IN_EP & 0x7f):
+ case (CDC_CMD_EP & 0x7f):
+ CDC_ClassData.TxState = 0;
+ return USBD_OK;
+#endif
+
+ case (MSC_IN_EP & 0x7f):
+ MSC_BOT_DataIn(pdev, epnum);
+ return USBD_OK;
+ }
+
+ return USBD_OK;
+}
+
+static uint8_t USBD_CDC_MSC_DataOut(USBD_HandleTypeDef *pdev, uint8_t epnum) {
+ switch (epnum) {
+#if USE_CDC
+ case (CDC_OUT_EP & 0x7f):
+ /* Get the received data length */
+ CDC_ClassData.RxLength = USBD_LL_GetRxDataSize (pdev, epnum);
+
+ /* USB data will be immediately processed, this allow next USB traffic being
+ NAKed till the end of the application Xfer */
+ CDC_fops->Receive(CDC_ClassData.RxBuffer, &CDC_ClassData.RxLength);
+
+ return USBD_OK;
+#endif
+
+ case (MSC_OUT_EP & 0x7f):
+ MSC_BOT_DataOut(pdev, epnum);
+ return USBD_OK;
+ }
+
+ return USBD_OK;
+}
+
+static uint8_t *USBD_CDC_MSC_GetFSCfgDesc(uint16_t *length) {
+ *length = sizeof(USBD_CDC_MSC_CfgFSDesc);
+ return USBD_CDC_MSC_CfgFSDesc;
+}
+
+static uint8_t *USBD_CDC_MSC_GetHSCfgDesc(uint16_t *length) {
+ *length = 0;
+ return USBD_CDC_MSC_CfgFSDesc; // need to return something because the USB driver writes bytes to the result
+}
+
+static uint8_t *USBD_CDC_MSC_GetOtherSpeedCfgDesc (uint16_t *length) {
+ *length = 0;
+ return USBD_CDC_MSC_CfgFSDesc; // need to return something because the USB driver writes bytes to the result
+}
+
+uint8_t *USBD_CDC_MSC_GetDeviceQualifierDescriptor (uint16_t *length) {
+ *length = sizeof(USBD_CDC_MSC_DeviceQualifierDesc);
+ return USBD_CDC_MSC_DeviceQualifierDesc;
+}
+
+uint8_t USBD_CDC_RegisterInterface(USBD_HandleTypeDef *pdev, USBD_CDC_ItfTypeDef *fops) {
+ if (fops == NULL) {
+ return USBD_FAIL;
+ } else {
+ CDC_fops = fops;
+ return USBD_OK;
+ }
+}
+
+/**
+ * @brief USBD_CDC_SetTxBuffer
+ * @param pdev: device instance
+ * @param pbuff: Tx Buffer
+ * @retval status
+ */
+uint8_t USBD_CDC_SetTxBuffer (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuff,
+ uint16_t length)
+{
+ CDC_ClassData.TxBuffer = pbuff;
+ CDC_ClassData.TxLength = length;
+
+ return USBD_OK;
+}
+
+
+/**
+ * @brief USBD_CDC_SetRxBuffer
+ * @param pdev: device instance
+ * @param pbuff: Rx Buffer
+ * @retval status
+ */
+uint8_t USBD_CDC_SetRxBuffer (USBD_HandleTypeDef *pdev,
+ uint8_t *pbuff)
+{
+ CDC_ClassData.RxBuffer = pbuff;
+
+ return USBD_OK;
+}
+
+/**
+ * @brief USBD_CDC_DataOut
+ * Data received on non-control Out endpoint
+ * @param pdev: device instance
+ * @param epnum: endpoint number
+ * @retval status
+ */
+uint8_t USBD_CDC_TransmitPacket(USBD_HandleTypeDef *pdev) {
+ if(CDC_ClassData.TxState == 0) {
+
+ /* Transmit next packet */
+ USBD_LL_Transmit(pdev,
+ CDC_IN_EP,
+ CDC_ClassData.TxBuffer,
+ CDC_ClassData.TxLength);
+
+ /* Tx Transfer in progress */
+ CDC_ClassData.TxState = 1;
+ return USBD_OK;
+ }
+ else
+ {
+ return USBD_BUSY;
+ }
+}
+
+
+/**
+ * @brief USBD_CDC_ReceivePacket
+ * prepare OUT Endpoint for reception
+ * @param pdev: device instance
+ * @retval status
+ */
+uint8_t USBD_CDC_ReceivePacket(USBD_HandleTypeDef *pdev) {
+ // Suspend or Resume USB Out process
+ if (pdev->dev_speed == USBD_SPEED_HIGH) {
+ return USBD_FAIL;
+ }
+
+ // Prepare Out endpoint to receive next packet */
+ USBD_LL_PrepareReceive(pdev,
+ CDC_OUT_EP,
+ CDC_ClassData.RxBuffer,
+ CDC_DATA_FS_OUT_PACKET_SIZE);
+
+ return USBD_OK;
+}
+
+uint8_t USBD_MSC_RegisterStorage(USBD_HandleTypeDef *pdev, USBD_StorageTypeDef *fops) {
+ if (fops == NULL) {
+ return USBD_FAIL;
+ } else {
+ MSC_fops = fops;
+ pdev->pUserData = fops; // MSC uses pUserData because SCSI and BOT reference it
+ return USBD_OK;
+ }
+}
+
+// CDC + MSC interface class callbacks structure
+USBD_ClassTypeDef USBD_CDC_MSC = {
+ USBD_CDC_MSC_Init,
+ USBD_CDC_MSC_DeInit,
+ USBD_CDC_MSC_Setup,
+ NULL, // EP0_TxSent
+ USBD_CDC_MSC_EP0_RxReady,
+ USBD_CDC_MSC_DataIn,
+ USBD_CDC_MSC_DataOut,
+ NULL, // SOF
+ NULL,
+ NULL,
+ USBD_CDC_MSC_GetHSCfgDesc,
+ USBD_CDC_MSC_GetFSCfgDesc,
+ USBD_CDC_MSC_GetOtherSpeedCfgDesc,
+ USBD_CDC_MSC_GetDeviceQualifierDescriptor,
+};
diff --git a/stmhal/usbdev/class/cdc_msc/src/usbd_msc.c b/stmhal/usbdev/class/cdc_msc/src/usbd_msc.c
new file mode 100644
index 0000000000..7817c98b1c
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/src/usbd_msc.c
@@ -0,0 +1,609 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_core.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides all the MSC core functions.
+ *
+ * @verbatim
+ *
+ * ===================================================================
+ * MSC Class Description
+ * ===================================================================
+ * This module manages the MSC class V1.0 following the "Universal
+ * Serial Bus Mass Storage Class (MSC) Bulk-Only Transport (BOT) Version 1.0
+ * Sep. 31, 1999".
+ * This driver implements the following aspects of the specification:
+ * - Bulk-Only Transport protocol
+ * - Subclass : SCSI transparent command set (ref. SCSI Primary Commands - 3 (SPC-3))
+ *
+ * @endverbatim
+ *
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc.h"
+
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_CORE
+ * @brief Mass storage core module
+ * @{
+ */
+
+/** @defgroup MSC_CORE_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_FunctionPrototypes
+ * @{
+ */
+uint8_t USBD_MSC_Init (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx);
+
+uint8_t USBD_MSC_DeInit (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx);
+
+uint8_t USBD_MSC_Setup (USBD_HandleTypeDef *pdev,
+ USBD_SetupReqTypedef *req);
+
+uint8_t USBD_MSC_DataIn (USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+
+uint8_t USBD_MSC_DataOut (USBD_HandleTypeDef *pdev,
+ uint8_t epnum);
+
+uint8_t *USBD_MSC_GetHSCfgDesc (uint16_t *length);
+
+uint8_t *USBD_MSC_GetFSCfgDesc (uint16_t *length);
+
+uint8_t *USBD_MSC_GetOtherSpeedCfgDesc (uint16_t *length);
+
+uint8_t *USBD_MSC_GetDeviceQualifierDescriptor (uint16_t *length);
+
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Variables
+ * @{
+ */
+
+
+USBD_ClassTypeDef USBD_MSC =
+{
+ USBD_MSC_Init,
+ USBD_MSC_DeInit,
+ USBD_MSC_Setup,
+ NULL, /*EP0_TxSent*/
+ NULL, /*EP0_RxReady*/
+ USBD_MSC_DataIn,
+ USBD_MSC_DataOut,
+ NULL, /*SOF */
+ NULL,
+ NULL,
+ USBD_MSC_GetHSCfgDesc,
+ USBD_MSC_GetFSCfgDesc,
+ USBD_MSC_GetOtherSpeedCfgDesc,
+ USBD_MSC_GetDeviceQualifierDescriptor,
+};
+
+/* USB Mass storage device Configuration Descriptor */
+/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
+__ALIGN_BEGIN uint8_t USBD_MSC_CfgHSDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
+ USB_MSC_CONFIG_DESC_SIZ,
+
+ 0x00,
+ 0x01, /* bNumInterfaces: 1 interface */
+ 0x01, /* bConfigurationValue: */
+ 0x04, /* iConfiguration: */
+ 0xC0, /* bmAttributes: */
+ 0x32, /* MaxPower 100 mA */
+
+ /******************** Mass Storage interface ********************/
+ 0x09, /* bLength: Interface Descriptor size */
+ 0x04, /* bDescriptorType: */
+ 0x00, /* bInterfaceNumber: Number of Interface */
+ 0x00, /* bAlternateSetting: Alternate setting */
+ 0x02, /* bNumEndpoints*/
+ 0x08, /* bInterfaceClass: MSC Class */
+ 0x06, /* bInterfaceSubClass : SCSI transparent*/
+ 0x50, /* nInterfaceProtocol */
+ 0x05, /* iInterface: */
+ /******************** Mass Storage Endpoints ********************/
+ 0x07, /*Endpoint descriptor length = 7*/
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPIN_ADDR, /*Endpoint address (IN, address 1) */
+ 0x02, /*Bulk endpoint type */
+ LOBYTE(MSC_MAX_HS_PACKET),
+ HIBYTE(MSC_MAX_HS_PACKET),
+ 0x00, /*Polling interval in milliseconds */
+
+ 0x07, /*Endpoint descriptor length = 7 */
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPOUT_ADDR, /*Endpoint address (OUT, address 1) */
+ 0x02, /*Bulk endpoint type */
+ LOBYTE(MSC_MAX_HS_PACKET),
+ HIBYTE(MSC_MAX_HS_PACKET),
+ 0x00 /*Polling interval in milliseconds*/
+};
+
+/* USB Mass storage device Configuration Descriptor */
+/* All Descriptors (Configuration, Interface, Endpoint, Class, Vendor */
+uint8_t USBD_MSC_CfgFSDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_DESC_TYPE_CONFIGURATION, /* bDescriptorType: Configuration */
+ USB_MSC_CONFIG_DESC_SIZ,
+
+ 0x00,
+ 0x01, /* bNumInterfaces: 1 interface */
+ 0x01, /* bConfigurationValue: */
+ 0x04, /* iConfiguration: */
+ 0xC0, /* bmAttributes: */
+ 0x32, /* MaxPower 100 mA */
+
+ /******************** Mass Storage interface ********************/
+ 0x09, /* bLength: Interface Descriptor size */
+ 0x04, /* bDescriptorType: */
+ 0x00, /* bInterfaceNumber: Number of Interface */
+ 0x00, /* bAlternateSetting: Alternate setting */
+ 0x02, /* bNumEndpoints*/
+ 0x08, /* bInterfaceClass: MSC Class */
+ 0x06, /* bInterfaceSubClass : SCSI transparent*/
+ 0x50, /* nInterfaceProtocol */
+ 0x05, /* iInterface: */
+ /******************** Mass Storage Endpoints ********************/
+ 0x07, /*Endpoint descriptor length = 7*/
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPIN_ADDR, /*Endpoint address (IN, address 1) */
+ 0x02, /*Bulk endpoint type */
+ LOBYTE(MSC_MAX_FS_PACKET),
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00, /*Polling interval in milliseconds */
+
+ 0x07, /*Endpoint descriptor length = 7 */
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPOUT_ADDR, /*Endpoint address (OUT, address 1) */
+ 0x02, /*Bulk endpoint type */
+ LOBYTE(MSC_MAX_FS_PACKET),
+ HIBYTE(MSC_MAX_FS_PACKET),
+ 0x00 /*Polling interval in milliseconds*/
+};
+
+__ALIGN_BEGIN uint8_t USBD_MSC_OtherSpeedCfgDesc[USB_MSC_CONFIG_DESC_SIZ] __ALIGN_END =
+{
+
+ 0x09, /* bLength: Configuation Descriptor size */
+ USB_DESC_TYPE_OTHER_SPEED_CONFIGURATION,
+ USB_MSC_CONFIG_DESC_SIZ,
+
+ 0x00,
+ 0x01, /* bNumInterfaces: 1 interface */
+ 0x01, /* bConfigurationValue: */
+ 0x04, /* iConfiguration: */
+ 0xC0, /* bmAttributes: */
+ 0x32, /* MaxPower 100 mA */
+
+ /******************** Mass Storage interface ********************/
+ 0x09, /* bLength: Interface Descriptor size */
+ 0x04, /* bDescriptorType: */
+ 0x00, /* bInterfaceNumber: Number of Interface */
+ 0x00, /* bAlternateSetting: Alternate setting */
+ 0x02, /* bNumEndpoints*/
+ 0x08, /* bInterfaceClass: MSC Class */
+ 0x06, /* bInterfaceSubClass : SCSI transparent command set*/
+ 0x50, /* nInterfaceProtocol */
+ 0x05, /* iInterface: */
+ /******************** Mass Storage Endpoints ********************/
+ 0x07, /*Endpoint descriptor length = 7*/
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPIN_ADDR, /*Endpoint address (IN, address 1) */
+ 0x02, /*Bulk endpoint type */
+ 0x40,
+ 0x00,
+ 0x00, /*Polling interval in milliseconds */
+
+ 0x07, /*Endpoint descriptor length = 7 */
+ 0x05, /*Endpoint descriptor type */
+ MSC_EPOUT_ADDR, /*Endpoint address (OUT, address 1) */
+ 0x02, /*Bulk endpoint type */
+ 0x40,
+ 0x00,
+ 0x00 /*Polling interval in milliseconds*/
+};
+
+/* USB Standard Device Descriptor */
+__ALIGN_BEGIN uint8_t USBD_MSC_DeviceQualifierDesc[USB_LEN_DEV_QUALIFIER_DESC] __ALIGN_END =
+{
+ USB_LEN_DEV_QUALIFIER_DESC,
+ USB_DESC_TYPE_DEVICE_QUALIFIER,
+ 0x00,
+ 0x02,
+ 0x00,
+ 0x00,
+ 0x00,
+ MSC_MAX_FS_PACKET,
+ 0x01,
+ 0x00,
+};
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_CORE_Private_Functions
+ * @{
+ */
+
+/**
+ * @brief USBD_MSC_Init
+ * Initialize the mass storage configuration
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+uint8_t USBD_MSC_Init (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx)
+{
+ int16_t ret = 0;
+
+ if(pdev->dev_speed == USBD_SPEED_HIGH )
+ {
+ /* Open EP OUT */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPOUT_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_HS_PACKET);
+
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPIN_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_HS_PACKET);
+ }
+ else
+ {
+ /* Open EP OUT */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPOUT_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPIN_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+ }
+ pdev->pClassData = USBD_malloc(sizeof (USBD_MSC_BOT_HandleTypeDef));
+
+ if(pdev->pClassData == NULL)
+ {
+ ret = 1;
+ }
+ else
+ {
+ /* Init the BOT layer */
+ MSC_BOT_Init(pdev);
+ ret = 0;
+ }
+
+ return ret;
+}
+
+/**
+ * @brief USBD_MSC_DeInit
+ * DeInitilaize the mass storage configuration
+ * @param pdev: device instance
+ * @param cfgidx: configuration index
+ * @retval status
+ */
+uint8_t USBD_MSC_DeInit (USBD_HandleTypeDef *pdev,
+ uint8_t cfgidx)
+{
+ /* Close MSC EPs */
+ USBD_LL_CloseEP(pdev,
+ MSC_EPOUT_ADDR);
+
+ /* Open EP IN */
+ USBD_LL_CloseEP(pdev,
+ MSC_EPIN_ADDR);
+
+
+ /* D-Init the BOT layer */
+ MSC_BOT_DeInit(pdev);
+
+ /* Free MSC Class Resources */
+ if(pdev->pClassData != NULL)
+ {
+ USBD_free(pdev->pClassData);
+ pdev->pClassData = NULL;
+ }
+ return 0;
+}
+/**
+* @brief USBD_MSC_Setup
+* Handle the MSC specific requests
+* @param pdev: device instance
+* @param req: USB request
+* @retval status
+*/
+uint8_t USBD_MSC_Setup (USBD_HandleTypeDef *pdev, USBD_SetupReqTypedef *req)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ switch (req->bmRequest & USB_REQ_TYPE_MASK)
+ {
+
+ /* Class request */
+ case USB_REQ_TYPE_CLASS :
+ switch (req->bRequest)
+ {
+ case BOT_GET_MAX_LUN :
+
+ if((req->wValue == 0) &&
+ (req->wLength == 1) &&
+ ((req->bmRequest & 0x80) == 0x80))
+ {
+ hmsc->max_lun = ((USBD_StorageTypeDef *)pdev->pUserData)->GetMaxLun();
+ USBD_CtlSendData (pdev,
+ (uint8_t *)&hmsc->max_lun,
+ 1);
+ }
+ else
+ {
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+
+ case BOT_RESET :
+ if((req->wValue == 0) &&
+ (req->wLength == 0) &&
+ ((req->bmRequest & 0x80) != 0x80))
+ {
+ MSC_BOT_Reset(pdev);
+ }
+ else
+ {
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+
+ default:
+ USBD_CtlError(pdev , req);
+ return USBD_FAIL;
+ }
+ break;
+ /* Interface & Endpoint request */
+ case USB_REQ_TYPE_STANDARD:
+ switch (req->bRequest)
+ {
+ case USB_REQ_GET_INTERFACE :
+ USBD_CtlSendData (pdev,
+ (uint8_t *)&hmsc->interface,
+ 1);
+ break;
+
+ case USB_REQ_SET_INTERFACE :
+ hmsc->interface = (uint8_t)(req->wValue);
+ break;
+
+ case USB_REQ_CLEAR_FEATURE:
+
+ /* Flush the FIFO and Clear the stall status */
+ USBD_LL_FlushEP(pdev, (uint8_t)req->wIndex);
+
+ /* Re-activate the EP */
+ USBD_LL_CloseEP (pdev , (uint8_t)req->wIndex);
+ if((((uint8_t)req->wIndex) & 0x80) == 0x80)
+ {
+ if(pdev->dev_speed == USBD_SPEED_HIGH )
+ {
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPIN_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_HS_PACKET);
+ }
+ else
+ {
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPIN_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+ }
+ }
+ else
+ {
+ if(pdev->dev_speed == USBD_SPEED_HIGH )
+ {
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPOUT_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_HS_PACKET);
+ }
+ else
+ {
+ /* Open EP IN */
+ USBD_LL_OpenEP(pdev,
+ MSC_EPOUT_ADDR,
+ USBD_EP_TYPE_BULK,
+ MSC_MAX_FS_PACKET);
+ }
+ }
+
+ /* Handle BOT error */
+ MSC_BOT_CplClrFeature(pdev, (uint8_t)req->wIndex);
+ break;
+
+ }
+ break;
+
+ default:
+ break;
+ }
+ return 0;
+}
+
+/**
+* @brief USBD_MSC_DataIn
+* handle data IN Stage
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval status
+*/
+uint8_t USBD_MSC_DataIn (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ MSC_BOT_DataIn(pdev , epnum);
+ return 0;
+}
+
+/**
+* @brief USBD_MSC_DataOut
+* handle data OUT Stage
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval status
+*/
+uint8_t USBD_MSC_DataOut (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ MSC_BOT_DataOut(pdev , epnum);
+ return 0;
+}
+
+/**
+* @brief USBD_MSC_GetHSCfgDesc
+* return configuration descriptor
+* @param length : pointer data length
+* @retval pointer to descriptor buffer
+*/
+uint8_t *USBD_MSC_GetHSCfgDesc (uint16_t *length)
+{
+ *length = sizeof (USBD_MSC_CfgHSDesc);
+ return USBD_MSC_CfgHSDesc;
+}
+
+/**
+* @brief USBD_MSC_GetFSCfgDesc
+* return configuration descriptor
+* @param length : pointer data length
+* @retval pointer to descriptor buffer
+*/
+uint8_t *USBD_MSC_GetFSCfgDesc (uint16_t *length)
+{
+ *length = sizeof (USBD_MSC_CfgFSDesc);
+ return USBD_MSC_CfgFSDesc;
+}
+
+/**
+* @brief USBD_MSC_GetOtherSpeedCfgDesc
+* return other speed configuration descriptor
+* @param length : pointer data length
+* @retval pointer to descriptor buffer
+*/
+uint8_t *USBD_MSC_GetOtherSpeedCfgDesc (uint16_t *length)
+{
+ *length = sizeof (USBD_MSC_OtherSpeedCfgDesc);
+ return USBD_MSC_OtherSpeedCfgDesc;
+}
+/**
+* @brief DeviceQualifierDescriptor
+* return Device Qualifier descriptor
+* @param length : pointer data length
+* @retval pointer to descriptor buffer
+*/
+uint8_t *USBD_MSC_GetDeviceQualifierDescriptor (uint16_t *length)
+{
+ *length = sizeof (USBD_MSC_DeviceQualifierDesc);
+ return USBD_MSC_DeviceQualifierDesc;
+}
+
+/**
+* @brief USBD_MSC_RegisterStorage
+* @param fops: storage callback
+* @retval status
+*/
+uint8_t USBD_MSC_RegisterStorage (USBD_HandleTypeDef *pdev,
+ USBD_StorageTypeDef *fops)
+{
+ if(fops != NULL)
+ {
+ pdev->pUserData= fops;
+ }
+ return 0;
+}
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/stmhal/usbdev/class/cdc_msc/src/usbd_msc_bot.c b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_bot.c
new file mode 100644
index 0000000000..69c34a5838
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_bot.c
@@ -0,0 +1,407 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_bot.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides all the BOT protocol core functions.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_cdc_msc.h"
+#include "usbd_ioreq.h"
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_BOT
+ * @brief BOT protocol module
+ * @{
+ */
+
+/** @defgroup MSC_BOT_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_FunctionPrototypes
+ * @{
+ */
+static void MSC_BOT_CBW_Decode (USBD_HandleTypeDef *pdev);
+
+static void MSC_BOT_SendData (USBD_HandleTypeDef *pdev,
+ uint8_t* pbuf,
+ uint16_t len);
+
+static void MSC_BOT_Abort(USBD_HandleTypeDef *pdev);
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_BOT_Private_Functions
+ * @{
+ */
+
+
+
+/**
+* @brief MSC_BOT_Init
+* Initialize the BOT Process
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_Init (USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
+
+ hmsc->scsi_sense_tail = 0;
+ hmsc->scsi_sense_head = 0;
+
+ ((USBD_StorageTypeDef *)pdev->pUserData)->Init(0);
+
+ USBD_LL_FlushEP(pdev, MSC_OUT_EP);
+ USBD_LL_FlushEP(pdev, MSC_IN_EP);
+
+ /* Prapare EP to Receive First BOT Cmd */
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+* @brief MSC_BOT_Reset
+* Reset the BOT Machine
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_Reset (USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->bot_state = USBD_BOT_IDLE;
+ hmsc->bot_status = USBD_BOT_STATUS_RECOVERY;
+
+ /* Prapare EP to Receive First BOT Cmd */
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+}
+
+/**
+* @brief MSC_BOT_DeInit
+* Uninitialize the BOT Machine
+* @param pdev: device instance
+* @retval None
+*/
+void MSC_BOT_DeInit (USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+ hmsc->bot_state = USBD_BOT_IDLE;
+}
+
+/**
+* @brief MSC_BOT_DataIn
+* Handle BOT IN data stage
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+void MSC_BOT_DataIn (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_DATA_IN:
+ if(SCSI_ProcessCmd(pdev,
+ hmsc->cbw.bLUN,
+ &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW (pdev, USBD_CSW_CMD_FAILED);
+ }
+ break;
+
+ case USBD_BOT_SEND_DATA:
+ case USBD_BOT_LAST_DATA_IN:
+ MSC_BOT_SendCSW (pdev, USBD_CSW_CMD_PASSED);
+
+ break;
+
+ default:
+ break;
+ }
+}
+/**
+* @brief MSC_BOT_DataOut
+* Proccess MSC OUT data
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+void MSC_BOT_DataOut (USBD_HandleTypeDef *pdev,
+ uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ switch (hmsc->bot_state)
+ {
+ case USBD_BOT_IDLE:
+ MSC_BOT_CBW_Decode(pdev);
+ break;
+
+ case USBD_BOT_DATA_OUT:
+
+ if(SCSI_ProcessCmd(pdev,
+ hmsc->cbw.bLUN,
+ &hmsc->cbw.CB[0]) < 0)
+ {
+ MSC_BOT_SendCSW (pdev, USBD_CSW_CMD_FAILED);
+ }
+
+ break;
+
+ default:
+ break;
+ }
+}
+
+/**
+* @brief MSC_BOT_CBW_Decode
+* Decode the CBW command and set the BOT state machine accordingtly
+* @param pdev: device instance
+* @retval None
+*/
+static void MSC_BOT_CBW_Decode (USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->csw.dTag = hmsc->cbw.dTag;
+ hmsc->csw.dDataResidue = hmsc->cbw.dDataLength;
+
+ if ((USBD_LL_GetRxDataSize (pdev ,MSC_OUT_EP) != USBD_BOT_CBW_LENGTH) ||
+ (hmsc->cbw.dSignature != USBD_BOT_CBW_SIGNATURE)||
+ (hmsc->cbw.bLUN > 1) ||
+ (hmsc->cbw.bCBLength < 1) ||
+ (hmsc->cbw.bCBLength > 16))
+ {
+
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+
+ hmsc->bot_status = USBD_BOT_STATUS_ERROR;
+ MSC_BOT_Abort(pdev);
+
+ }
+ else
+ {
+ if(SCSI_ProcessCmd(pdev,
+ hmsc->cbw.bLUN,
+ &hmsc->cbw.CB[0]) < 0)
+ {
+ if(hmsc->bot_state == USBD_BOT_NO_DATA)
+ {
+ MSC_BOT_SendCSW (pdev,
+ USBD_CSW_CMD_FAILED);
+ }
+ else
+ {
+ MSC_BOT_Abort(pdev);
+ }
+ }
+ /*Burst xfer handled internally*/
+ else if ((hmsc->bot_state != USBD_BOT_DATA_IN) &&
+ (hmsc->bot_state != USBD_BOT_DATA_OUT) &&
+ (hmsc->bot_state != USBD_BOT_LAST_DATA_IN))
+ {
+ if (hmsc->bot_data_length > 0)
+ {
+ MSC_BOT_SendData(pdev,
+ hmsc->bot_data,
+ hmsc->bot_data_length);
+ }
+ else if (hmsc->bot_data_length == 0)
+ {
+ MSC_BOT_SendCSW (pdev,
+ USBD_CSW_CMD_PASSED);
+ }
+ }
+ }
+}
+
+/**
+* @brief MSC_BOT_SendData
+* Send the requested data
+* @param pdev: device instance
+* @param buf: pointer to data buffer
+* @param len: Data Length
+* @retval None
+*/
+static void MSC_BOT_SendData(USBD_HandleTypeDef *pdev,
+ uint8_t* buf,
+ uint16_t len)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ len = MIN (hmsc->cbw.dDataLength, len);
+ hmsc->csw.dDataResidue -= len;
+ hmsc->csw.bStatus = USBD_CSW_CMD_PASSED;
+ hmsc->bot_state = USBD_BOT_SEND_DATA;
+
+ USBD_LL_Transmit (pdev, MSC_IN_EP, buf, len);
+}
+
+/**
+* @brief MSC_BOT_SendCSW
+* Send the Command Status Wrapper
+* @param pdev: device instance
+* @param status : CSW status
+* @retval None
+*/
+void MSC_BOT_SendCSW (USBD_HandleTypeDef *pdev,
+ uint8_t CSW_Status)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->csw.dSignature = USBD_BOT_CSW_SIGNATURE;
+ hmsc->csw.bStatus = CSW_Status;
+ hmsc->bot_state = USBD_BOT_IDLE;
+
+ USBD_LL_Transmit (pdev,
+ MSC_IN_EP,
+ (uint8_t *)&hmsc->csw,
+ USBD_BOT_CSW_LENGTH);
+
+ /* Prapare EP to Receive next Cmd */
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+
+}
+
+/**
+* @brief MSC_BOT_Abort
+* Abort the current transfer
+* @param pdev: device instance
+* @retval status
+*/
+
+static void MSC_BOT_Abort (USBD_HandleTypeDef *pdev)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if ((hmsc->cbw.bmFlags == 0) &&
+ (hmsc->cbw.dDataLength != 0) &&
+ (hmsc->bot_status == USBD_BOT_STATUS_NORMAL) )
+ {
+ USBD_LL_StallEP(pdev, MSC_OUT_EP );
+ }
+ USBD_LL_StallEP(pdev, MSC_IN_EP);
+
+ if(hmsc->bot_status == USBD_BOT_STATUS_ERROR)
+ {
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ (uint8_t *)&hmsc->cbw,
+ USBD_BOT_CBW_LENGTH);
+ }
+}
+
+/**
+* @brief MSC_BOT_CplClrFeature
+* Complete the clear feature request
+* @param pdev: device instance
+* @param epnum: endpoint index
+* @retval None
+*/
+
+void MSC_BOT_CplClrFeature (USBD_HandleTypeDef *pdev, uint8_t epnum)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if(hmsc->bot_status == USBD_BOT_STATUS_ERROR )/* Bad CBW Signature */
+ {
+ USBD_LL_StallEP(pdev, MSC_IN_EP);
+ hmsc->bot_status = USBD_BOT_STATUS_NORMAL;
+ }
+ else if(((epnum & 0x80) == 0x80) && ( hmsc->bot_status != USBD_BOT_STATUS_RECOVERY))
+ {
+ MSC_BOT_SendCSW (pdev, USBD_CSW_CMD_FAILED);
+ }
+
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/stmhal/usbdev/class/cdc_msc/src/usbd_msc_data.c b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_data.c
new file mode 100644
index 0000000000..4d72bd5fce
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_data.c
@@ -0,0 +1,134 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_data.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides all the vital inquiry pages and sense data.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_data.h"
+
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_DATA
+ * @brief Mass storage info/data module
+ * @{
+ */
+
+/** @defgroup MSC_DATA_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Defines
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Variables
+ * @{
+ */
+
+
+/* USB Mass storage Page 0 Inquiry Data */
+const uint8_t MSC_Page00_Inquiry_Data[] = {//7
+ 0x00,
+ 0x00,
+ 0x00,
+ (LENGTH_INQUIRY_PAGE00 - 4),
+ 0x00,
+ 0x80,
+ 0x83
+};
+/* USB Mass storage sense 6 Data */
+const uint8_t MSC_Mode_Sense6_data[] = {
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00
+};
+/* USB Mass storage sense 10 Data */
+const uint8_t MSC_Mode_Sense10_data[] = {
+ 0x00,
+ 0x06,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00,
+ 0x00
+};
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_FunctionPrototypes
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_DATA_Private_Functions
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
diff --git a/stmhal/usbdev/class/cdc_msc/src/usbd_msc_scsi.c b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_scsi.c
new file mode 100644
index 0000000000..dd3de90feb
--- /dev/null
+++ b/stmhal/usbdev/class/cdc_msc/src/usbd_msc_scsi.c
@@ -0,0 +1,770 @@
+/**
+ ******************************************************************************
+ * @file usbd_msc_scsi.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 18-February-2014
+ * @brief This file provides all the USBD SCSI layer functions.
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>&copy; COPYRIGHT 2014 STMicroelectronics</center></h2>
+ *
+ * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
+ * You may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.st.com/software_license_agreement_liberty_v2
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ******************************************************************************
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbd_msc_bot.h"
+#include "usbd_msc_scsi.h"
+#include "usbd_msc_data.h"
+#include "usbd_cdc_msc.h"
+
+
+
+/** @addtogroup STM32_USB_OTG_DEVICE_LIBRARY
+ * @{
+ */
+
+
+/** @defgroup MSC_SCSI
+ * @brief Mass storage SCSI layer module
+ * @{
+ */
+
+/** @defgroup MSC_SCSI_Private_TypesDefinitions
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Defines
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Macros
+ * @{
+ */
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Variables
+ * @{
+ */
+
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_FunctionPrototypes
+ * @{
+ */
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_RequestSense (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ModeSense6 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_ModeSense10 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_Write10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params);
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params);
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params);
+static int8_t SCSI_CheckAddressRange (USBD_HandleTypeDef *pdev,
+ uint8_t lun ,
+ uint32_t blk_offset ,
+ uint16_t blk_nbr);
+static int8_t SCSI_ProcessRead (USBD_HandleTypeDef *pdev,
+ uint8_t lun);
+
+static int8_t SCSI_ProcessWrite (USBD_HandleTypeDef *pdev,
+ uint8_t lun);
+/**
+ * @}
+ */
+
+
+/** @defgroup MSC_SCSI_Private_Functions
+ * @{
+ */
+
+
+/**
+* @brief SCSI_ProcessCmd
+* Process SCSI commands
+* @param pdev: device instance
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+int8_t SCSI_ProcessCmd(USBD_HandleTypeDef *pdev,
+ uint8_t lun,
+ uint8_t *params)
+{
+
+ switch (params[0])
+ {
+ case SCSI_TEST_UNIT_READY:
+ return SCSI_TestUnitReady(pdev, lun, params);
+
+ case SCSI_REQUEST_SENSE:
+ return SCSI_RequestSense (pdev, lun, params);
+ case SCSI_INQUIRY:
+ return SCSI_Inquiry(pdev, lun, params);
+
+ case SCSI_START_STOP_UNIT:
+ return SCSI_StartStopUnit(pdev, lun, params);
+
+ case SCSI_ALLOW_MEDIUM_REMOVAL:
+ return SCSI_StartStopUnit(pdev, lun, params);
+
+ case SCSI_MODE_SENSE6:
+ return SCSI_ModeSense6 (pdev, lun, params);
+
+ case SCSI_MODE_SENSE10:
+ return SCSI_ModeSense10 (pdev, lun, params);
+
+ case SCSI_READ_FORMAT_CAPACITIES:
+ return SCSI_ReadFormatCapacity(pdev, lun, params);
+
+ case SCSI_READ_CAPACITY10:
+ return SCSI_ReadCapacity10(pdev, lun, params);
+
+ case SCSI_READ10:
+ return SCSI_Read10(pdev, lun, params);
+
+ case SCSI_WRITE10:
+ return SCSI_Write10(pdev, lun, params);
+
+ case SCSI_VERIFY10:
+ return SCSI_Verify10(pdev, lun, params);
+
+ default:
+ SCSI_SenseCode(pdev,
+ lun,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+}
+
+
+/**
+* @brief SCSI_TestUnitReady
+* Process SCSI Test Unit Ready Command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_TestUnitReady(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ /* case 9 : Hi > D0 */
+ if (hmsc->cbw.dDataLength != 0)
+ {
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->IsReady(lun) !=0 )
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ MEDIUM_NOT_PRESENT);
+
+ hmsc->bot_state = USBD_BOT_NO_DATA;
+ return -1;
+ }
+ hmsc->bot_data_length = 0;
+ return 0;
+}
+
+/**
+* @brief SCSI_Inquiry
+* Process Inquiry command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_Inquiry(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ uint8_t* pPage;
+ uint16_t len;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if (params[1] & 0x01)/*Evpd is set*/
+ {
+ pPage = (uint8_t *)MSC_Page00_Inquiry_Data;
+ len = LENGTH_INQUIRY_PAGE00;
+ }
+ else
+ {
+
+ pPage = (uint8_t *)&((USBD_StorageTypeDef *)pdev->pUserData)->pInquiry[lun * STANDARD_INQUIRY_DATA_LEN];
+ len = pPage[4] + 5;
+
+ if (params[4] <= len)
+ {
+ len = params[4];
+ }
+ }
+ hmsc->bot_data_length = len;
+
+ while (len)
+ {
+ len--;
+ hmsc->bot_data[len] = pPage[len];
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_ReadCapacity10
+* Process Read Capacity 10 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_ReadCapacity10(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->GetCapacity(lun, &hmsc->scsi_blk_nbr, &hmsc->scsi_blk_size) != 0)
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+ else
+ {
+
+ hmsc->bot_data[0] = (uint8_t)((hmsc->scsi_blk_nbr - 1) >> 24);
+ hmsc->bot_data[1] = (uint8_t)((hmsc->scsi_blk_nbr - 1) >> 16);
+ hmsc->bot_data[2] = (uint8_t)((hmsc->scsi_blk_nbr - 1) >> 8);
+ hmsc->bot_data[3] = (uint8_t)(hmsc->scsi_blk_nbr - 1);
+
+ hmsc->bot_data[4] = (uint8_t)(hmsc->scsi_blk_size >> 24);
+ hmsc->bot_data[5] = (uint8_t)(hmsc->scsi_blk_size >> 16);
+ hmsc->bot_data[6] = (uint8_t)(hmsc->scsi_blk_size >> 8);
+ hmsc->bot_data[7] = (uint8_t)(hmsc->scsi_blk_size);
+
+ hmsc->bot_data_length = 8;
+ return 0;
+ }
+}
+/**
+* @brief SCSI_ReadFormatCapacity
+* Process Read Format Capacity command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_ReadFormatCapacity(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ uint16_t blk_size;
+ uint32_t blk_nbr;
+ uint16_t i;
+
+ for(i=0 ; i < 12 ; i++)
+ {
+ hmsc->bot_data[i] = 0;
+ }
+
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->GetCapacity(lun, &blk_nbr, &blk_size) != 0)
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+ else
+ {
+ hmsc->bot_data[3] = 0x08;
+ hmsc->bot_data[4] = (uint8_t)((blk_nbr - 1) >> 24);
+ hmsc->bot_data[5] = (uint8_t)((blk_nbr - 1) >> 16);
+ hmsc->bot_data[6] = (uint8_t)((blk_nbr - 1) >> 8);
+ hmsc->bot_data[7] = (uint8_t)(blk_nbr - 1);
+
+ hmsc->bot_data[8] = 0x02;
+ hmsc->bot_data[9] = (uint8_t)(blk_size >> 16);
+ hmsc->bot_data[10] = (uint8_t)(blk_size >> 8);
+ hmsc->bot_data[11] = (uint8_t)(blk_size);
+
+ hmsc->bot_data_length = 12;
+ return 0;
+ }
+}
+/**
+* @brief SCSI_ModeSense6
+* Process Mode Sense6 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_ModeSense6 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+ uint16_t len = 8 ;
+ hmsc->bot_data_length = len;
+
+ while (len)
+ {
+ len--;
+ hmsc->bot_data[len] = MSC_Mode_Sense6_data[len];
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_ModeSense10
+* Process Mode Sense10 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_ModeSense10 (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ uint16_t len = 8;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->bot_data_length = len;
+
+ while (len)
+ {
+ len--;
+ hmsc->bot_data[len] = MSC_Mode_Sense10_data[len];
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_RequestSense
+* Process Request Sense command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+
+static int8_t SCSI_RequestSense (USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ uint8_t i;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ for(i=0 ; i < REQUEST_SENSE_DATA_LEN ; i++)
+ {
+ hmsc->bot_data[i] = 0;
+ }
+
+ hmsc->bot_data[0] = 0x70;
+ hmsc->bot_data[7] = REQUEST_SENSE_DATA_LEN - 6;
+
+ if((hmsc->scsi_sense_head != hmsc->scsi_sense_tail)) {
+
+ hmsc->bot_data[2] = hmsc->scsi_sense[hmsc->scsi_sense_head].Skey;
+ hmsc->bot_data[12] = hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASCQ;
+ hmsc->bot_data[13] = hmsc->scsi_sense[hmsc->scsi_sense_head].w.b.ASC;
+ hmsc->scsi_sense_head++;
+
+ if (hmsc->scsi_sense_head == SENSE_LIST_DEEPTH)
+ {
+ hmsc->scsi_sense_head = 0;
+ }
+ }
+ hmsc->bot_data_length = REQUEST_SENSE_DATA_LEN;
+
+ if (params[4] <= REQUEST_SENSE_DATA_LEN)
+ {
+ hmsc->bot_data_length = params[4];
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_SenseCode
+* Load the last error code in the error list
+* @param lun: Logical unit number
+* @param sKey: Sense Key
+* @param ASC: Additional Sense Key
+* @retval none
+
+*/
+void SCSI_SenseCode(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t sKey, uint8_t ASC)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].Skey = sKey;
+ hmsc->scsi_sense[hmsc->scsi_sense_tail].w.ASC = ASC << 8;
+ hmsc->scsi_sense_tail++;
+ if (hmsc->scsi_sense_tail == SENSE_LIST_DEEPTH)
+ {
+ hmsc->scsi_sense_tail = 0;
+ }
+}
+/**
+* @brief SCSI_StartStopUnit
+* Process Start Stop Unit command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_StartStopUnit(USBD_HandleTypeDef *pdev, uint8_t lun, uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+ hmsc->bot_data_length = 0;
+ return 0;
+}
+
+/**
+* @brief SCSI_Read10
+* Process Read10 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+static int8_t SCSI_Read10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if(hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+
+ /* case 10 : Ho <> Di */
+
+ if ((hmsc->cbw.bmFlags & 0x80) != 0x80)
+ {
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->IsReady(lun) !=0 )
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ hmsc->scsi_blk_addr = (params[2] << 24) | \
+ (params[3] << 16) | \
+ (params[4] << 8) | \
+ params[5];
+
+ hmsc->scsi_blk_len = (params[7] << 8) | \
+ params[8];
+
+
+
+ if( SCSI_CheckAddressRange(pdev, lun, hmsc->scsi_blk_addr, hmsc->scsi_blk_len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ hmsc->bot_state = USBD_BOT_DATA_IN;
+ hmsc->scsi_blk_addr *= hmsc->scsi_blk_size;
+ hmsc->scsi_blk_len *= hmsc->scsi_blk_size;
+
+ /* cases 4,5 : Hi <> Dn */
+ if (hmsc->cbw.dDataLength != hmsc->scsi_blk_len)
+ {
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+ }
+ hmsc->bot_data_length = MSC_MEDIA_PACKET;
+
+ return SCSI_ProcessRead(pdev, lun);
+}
+
+/**
+* @brief SCSI_Write10
+* Process Write10 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+
+static int8_t SCSI_Write10 (USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if (hmsc->bot_state == USBD_BOT_IDLE) /* Idle */
+ {
+
+ /* case 8 : Hi <> Do */
+
+ if ((hmsc->cbw.bmFlags & 0x80) == 0x80)
+ {
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+
+ /* Check whether Media is ready */
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->IsReady(lun) !=0 )
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ MEDIUM_NOT_PRESENT);
+ return -1;
+ }
+
+ /* Check If media is write-protected */
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->IsWriteProtected(lun) !=0 )
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ NOT_READY,
+ WRITE_PROTECTED);
+ return -1;
+ }
+
+
+ hmsc->scsi_blk_addr = (params[2] << 24) | \
+ (params[3] << 16) | \
+ (params[4] << 8) | \
+ params[5];
+ hmsc->scsi_blk_len = (params[7] << 8) | \
+ params[8];
+
+ /* check if LBA address is in the right range */
+ if(SCSI_CheckAddressRange(pdev,
+ lun,
+ hmsc->scsi_blk_addr,
+ hmsc->scsi_blk_len) < 0)
+ {
+ return -1; /* error */
+ }
+
+ hmsc->scsi_blk_addr *= hmsc->scsi_blk_size;
+ hmsc->scsi_blk_len *= hmsc->scsi_blk_size;
+
+ /* cases 3,11,13 : Hn,Ho <> D0 */
+ if (hmsc->cbw.dDataLength != hmsc->scsi_blk_len)
+ {
+ SCSI_SenseCode(pdev,
+ hmsc->cbw.bLUN,
+ ILLEGAL_REQUEST,
+ INVALID_CDB);
+ return -1;
+ }
+
+ /* Prepare EP to receive first data packet */
+ hmsc->bot_state = USBD_BOT_DATA_OUT;
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ hmsc->bot_data,
+ MIN (hmsc->scsi_blk_len, MSC_MEDIA_PACKET));
+ }
+ else /* Write Process ongoing */
+ {
+ return SCSI_ProcessWrite(pdev, lun);
+ }
+ return 0;
+}
+
+
+/**
+* @brief SCSI_Verify10
+* Process Verify10 command
+* @param lun: Logical unit number
+* @param params: Command parameters
+* @retval status
+*/
+
+static int8_t SCSI_Verify10(USBD_HandleTypeDef *pdev, uint8_t lun , uint8_t *params)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if ((params[1]& 0x02) == 0x02)
+ {
+ SCSI_SenseCode (pdev,
+ lun,
+ ILLEGAL_REQUEST,
+ INVALID_FIELED_IN_COMMAND);
+ return -1; /* Error, Verify Mode Not supported*/
+ }
+
+ if(SCSI_CheckAddressRange(pdev,
+ lun,
+ hmsc->scsi_blk_addr,
+ hmsc->scsi_blk_len) < 0)
+ {
+ return -1; /* error */
+ }
+ hmsc->bot_data_length = 0;
+ return 0;
+}
+
+/**
+* @brief SCSI_CheckAddressRange
+* Check address range
+* @param lun: Logical unit number
+* @param blk_offset: first block address
+* @param blk_nbr: number of block to be processed
+* @retval status
+*/
+static int8_t SCSI_CheckAddressRange (USBD_HandleTypeDef *pdev, uint8_t lun , uint32_t blk_offset , uint16_t blk_nbr)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ if ((blk_offset + blk_nbr) > hmsc->scsi_blk_nbr )
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ ILLEGAL_REQUEST,
+ ADDRESS_OUT_OF_RANGE);
+ return -1;
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_ProcessRead
+* Handle Read Process
+* @param lun: Logical unit number
+* @retval status
+*/
+static int8_t SCSI_ProcessRead (USBD_HandleTypeDef *pdev, uint8_t lun)
+{
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+ uint32_t len;
+
+ len = MIN(hmsc->scsi_blk_len , MSC_MEDIA_PACKET);
+
+ if( ((USBD_StorageTypeDef *)pdev->pUserData)->Read(lun ,
+ hmsc->bot_data,
+ hmsc->scsi_blk_addr / hmsc->scsi_blk_size,
+ len / hmsc->scsi_blk_size) < 0)
+ {
+
+ SCSI_SenseCode(pdev,
+ lun,
+ HARDWARE_ERROR,
+ UNRECOVERED_READ_ERROR);
+ return -1;
+ }
+
+
+ USBD_LL_Transmit (pdev,
+ MSC_IN_EP,
+ hmsc->bot_data,
+ len);
+
+
+ hmsc->scsi_blk_addr += len;
+ hmsc->scsi_blk_len -= len;
+
+ /* case 6 : Hi = Di */
+ hmsc->csw.dDataResidue -= len;
+
+ if (hmsc->scsi_blk_len == 0)
+ {
+ hmsc->bot_state = USBD_BOT_LAST_DATA_IN;
+ }
+ return 0;
+}
+
+/**
+* @brief SCSI_ProcessWrite
+* Handle Write Process
+* @param lun: Logical unit number
+* @retval status
+*/
+
+static int8_t SCSI_ProcessWrite (USBD_HandleTypeDef *pdev, uint8_t lun)
+{
+ uint32_t len;
+ USBD_MSC_BOT_HandleTypeDef *hmsc = pdev->pClassData;
+
+ len = MIN(hmsc->scsi_blk_len , MSC_MEDIA_PACKET);
+
+ if(((USBD_StorageTypeDef *)pdev->pUserData)->Write(lun ,
+ hmsc->bot_data,
+ hmsc->scsi_blk_addr / hmsc->scsi_blk_size,
+ len / hmsc->scsi_blk_size) < 0)
+ {
+ SCSI_SenseCode(pdev,
+ lun,
+ HARDWARE_ERROR,
+ WRITE_FAULT);
+ return -1;
+ }
+
+
+ hmsc->scsi_blk_addr += len;
+ hmsc->scsi_blk_len -= len;
+
+ /* case 12 : Ho = Do */
+ hmsc->csw.dDataResidue -= len;
+
+ if (hmsc->scsi_blk_len == 0)
+ {
+ MSC_BOT_SendCSW (pdev, USBD_CSW_CMD_PASSED);
+ }
+ else
+ {
+ /* Prapare EP to Receive next packet */
+ USBD_LL_PrepareReceive (pdev,
+ MSC_OUT_EP,
+ hmsc->bot_data,
+ MIN (hmsc->scsi_blk_len, MSC_MEDIA_PACKET));
+ }
+
+ return 0;
+}
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+
+/**
+ * @}
+ */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
generated by cgit v1.2.3 (git 2.39.1) at 2025-05-04 11:39:09 +0000