diff options
| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-03-08 20:04:26 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2011-03-08 20:04:26 +0000 |
| commit | 6b1c74271cf04a5f3ce225321912cdf3f365f673 (patch) | |
| tree | 6e722e3b8e822ca671eb3af08870f3a6d9aaa013 /os/various | |
| parent | 18fb8f676f0f650d83f69bc29ab45b04b73e86c1 (diff) | |
| download | ChibiOS-6b1c74271cf04a5f3ce225321912cdf3f365f673.tar.gz ChibiOS-6b1c74271cf04a5f3ce225321912cdf3f365f673.tar.bz2 ChibiOS-6b1c74271cf04a5f3ce225321912cdf3f365f673.zip | |
Initial code for USB Mass Storage Class demo, still lot to do.
Moved usb_cdc.h and mii.h into ./os/various.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2809 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/various')
| -rw-r--r-- | os/various/mii.h | 189 | ||||
| -rw-r--r-- | os/various/usb_cdc.h | 73 | ||||
| -rw-r--r-- | os/various/usb_msc.c | 207 | ||||
| -rw-r--r-- | os/various/usb_msc.h | 131 |
4 files changed, 600 insertions, 0 deletions
diff --git a/os/various/mii.h b/os/various/mii.h new file mode 100644 index 000000000..a808b16f8 --- /dev/null +++ b/os/various/mii.h @@ -0,0 +1,189 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Parts of this file have been borrowed from the Linux include file
+ * linux/mii.h:
+ * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com)
+ */
+
+/**
+ * @file mii.h
+ * @brief MII Driver macros and structures.
+ *
+ * @addtogroup MII
+ * @{
+ */
+
+#ifndef _MII_H_
+#define _MII_H_
+
+/*
+ * Generic MII registers. Note, not all registers are present on all PHY
+ * devices and some extra registers may be present.
+ */
+#define MII_BMCR 0x00 /**< Basic mode control register. */
+#define MII_BMSR 0x01 /**< Basic mode status register. */
+#define MII_PHYSID1 0x02 /**< PHYS ID 1. */
+#define MII_PHYSID2 0x03 /**< PHYS ID 2. */
+#define MII_ADVERTISE 0x04 /**< Advertisement control reg. */
+#define MII_LPA 0x05 /**< Link partner ability reg. */
+#define MII_EXPANSION 0x06 /**< Expansion register. */
+#define MII_CTRL1000 0x09 /**< 1000BASE-T control. */
+#define MII_STAT1000 0x0a /**< 1000BASE-T status. */
+#define MII_ESTATUS 0x0f /**< Extended Status. */
+#define MII_DCOUNTER 0x12 /**< Disconnect counter. */
+#define MII_FCSCOUNTER 0x13 /**< False carrier counter. */
+#define MII_NWAYTEST 0x14 /**< N-way auto-neg test reg. */
+#define MII_RERRCOUNTER 0x15 /**< Receive error counter. */
+#define MII_SREVISION 0x16 /**< Silicon revision. */
+#define MII_RESV1 0x17 /**< Reserved. */
+#define MII_LBRERROR 0x18 /**< Lpback, rx, bypass error. */
+#define MII_PHYADDR 0x19 /**< PHY address. */
+#define MII_RESV2 0x1a /**< Reserved. */
+#define MII_TPISTATUS 0x1b /**< TPI status for 10mbps. */
+#define MII_NCONFIG 0x1c /**< Network interface config. */
+
+/*
+ * Basic mode control register.
+ */
+#define BMCR_RESV 0x003f /**< Unused. */
+#define BMCR_SPEED1000 0x0040 /**< MSB of Speed (1000). */
+#define BMCR_CTST 0x0080 /**< Collision test. */
+#define BMCR_FULLDPLX 0x0100 /**< Full duplex. */
+#define BMCR_ANRESTART 0x0200 /**< Auto negotiation restart. */
+#define BMCR_ISOLATE 0x0400 /**< Disconnect DP83840 from MII. */
+#define BMCR_PDOWN 0x0800 /**< Powerdown. */
+#define BMCR_ANENABLE 0x1000 /**< Enable auto negotiation. */
+#define BMCR_SPEED100 0x2000 /**< Select 100Mbps. */
+#define BMCR_LOOPBACK 0x4000 /**< TXD loopback bits. */
+#define BMCR_RESET 0x8000 /**< Reset. */
+
+/*
+ * Basic mode status register.
+ */
+#define BMSR_ERCAP 0x0001 /**< Ext-reg capability. */
+#define BMSR_JCD 0x0002 /**< Jabber detected. */
+#define BMSR_LSTATUS 0x0004 /**< Link status. */
+#define BMSR_ANEGCAPABLE 0x0008 /**< Able to do auto-negotiation. */
+#define BMSR_RFAULT 0x0010 /**< Remote fault detected. */
+#define BMSR_ANEGCOMPLETE 0x0020 /**< Auto-negotiation complete. */
+#define BMSR_RESV 0x00c0 /**< Unused. */
+#define BMSR_ESTATEN 0x0100 /**< Extended Status in R15. */
+#define BMSR_100HALF2 0x0200 /**< Can do 100BASE-T2 HDX. */
+#define BMSR_100FULL2 0x0400 /**< Can do 100BASE-T2 FDX. */
+#define BMSR_10HALF 0x0800 /**< Can do 10mbps, half-duplex. */
+#define BMSR_10FULL 0x1000 /**< Can do 10mbps, full-duplex. */
+#define BMSR_100HALF 0x2000 /**< Can do 100mbps, half-duplex. */
+#define BMSR_100FULL 0x4000 /**< Can do 100mbps, full-duplex. */
+#define BMSR_100BASE4 0x8000 /**< Can do 100mbps, 4k packets. */
+
+/*
+ * Advertisement control register.
+ */
+#define ADVERTISE_SLCT 0x001f /**< Selector bits. */
+#define ADVERTISE_CSMA 0x0001 /**< Only selector supported. */
+#define ADVERTISE_10HALF 0x0020 /**< Try for 10mbps half-duplex. */
+#define ADVERTISE_1000XFULL 0x0020 /**< Try for 1000BASE-X full-duplex.*/
+#define ADVERTISE_10FULL 0x0040 /**< Try for 10mbps full-duplex. */
+#define ADVERTISE_1000XHALF 0x0040 /**< Try for 1000BASE-X half-duplex.*/
+#define ADVERTISE_100HALF 0x0080 /**< Try for 100mbps half-duplex. */
+#define ADVERTISE_1000XPAUSE 0x0080 /**< Try for 1000BASE-X pause. */
+#define ADVERTISE_100FULL 0x0100 /**< Try for 100mbps full-duplex. */
+#define ADVERTISE_1000XPSE_ASYM 0x0100 /**< Try for 1000BASE-X asym pause. */
+#define ADVERTISE_100BASE4 0x0200 /**< Try for 100mbps 4k packets. */
+#define ADVERTISE_PAUSE_CAP 0x0400 /**< Try for pause. */
+#define ADVERTISE_PAUSE_ASYM 0x0800 /**< Try for asymetric pause. */
+#define ADVERTISE_RESV 0x1000 /**< Unused. */
+#define ADVERTISE_RFAULT 0x2000 /**< Say we can detect faults. */
+#define ADVERTISE_LPACK 0x4000 /**< Ack link partners response. */
+#define ADVERTISE_NPAGE 0x8000 /**< Next page bit. */
+
+#define ADVERTISE_FULL (ADVERTISE_100FULL | ADVERTISE_10FULL | \
+ ADVERTISE_CSMA)
+#define ADVERTISE_ALL (ADVERTISE_10HALF | ADVERTISE_10FULL | \
+ ADVERTISE_100HALF | ADVERTISE_100FULL)
+
+/*
+ * Link partner ability register.
+ */
+#define LPA_SLCT 0x001f /**< Same as advertise selector. */
+#define LPA_10HALF 0x0020 /**< Can do 10mbps half-duplex. */
+#define LPA_1000XFULL 0x0020 /**< Can do 1000BASE-X full-duplex. */
+#define LPA_10FULL 0x0040 /**< Can do 10mbps full-duplex. */
+#define LPA_1000XHALF 0x0040 /**< Can do 1000BASE-X half-duplex. */
+#define LPA_100HALF 0x0080 /**< Can do 100mbps half-duplex. */
+#define LPA_1000XPAUSE 0x0080 /**< Can do 1000BASE-X pause. */
+#define LPA_100FULL 0x0100 /**< Can do 100mbps full-duplex. */
+#define LPA_1000XPAUSE_ASYM 0x0100 /**< Can do 1000BASE-X pause asym. */
+#define LPA_100BASE4 0x0200 /**< Can do 100mbps 4k packets. */
+#define LPA_PAUSE_CAP 0x0400 /**< Can pause. */
+#define LPA_PAUSE_ASYM 0x0800 /**< Can pause asymetrically. */
+#define LPA_RESV 0x1000 /**< Unused. */
+#define LPA_RFAULT 0x2000 /**< Link partner faulted. */
+#define LPA_LPACK 0x4000 /**< Link partner acked us. */
+#define LPA_NPAGE 0x8000 /**< Next page bit. */
+
+#define LPA_DUPLEX (LPA_10FULL | LPA_100FULL)
+#define LPA_100 (LPA_100FULL | LPA_100HALF | LPA_100BASE4)
+
+/*
+ * Expansion register for auto-negotiation.
+ */
+#define EXPANSION_NWAY 0x0001 /**< Can do N-way auto-nego. */
+#define EXPANSION_LCWP 0x0002 /**< Got new RX page code word. */
+#define EXPANSION_ENABLENPAGE 0x0004 /**< This enables npage words. */
+#define EXPANSION_NPCAPABLE 0x0008 /**< Link partner supports npage. */
+#define EXPANSION_MFAULTS 0x0010 /**< Multiple faults detected. */
+#define EXPANSION_RESV 0xffe0 /**< Unused. */
+
+#define ESTATUS_1000_TFULL 0x2000 /**< Can do 1000BT Full. */
+#define ESTATUS_1000_THALF 0x1000 /**< Can do 1000BT Half. */
+
+/*
+ * N-way test register.
+ */
+#define NWAYTEST_RESV1 0x00ff /**< Unused. */
+#define NWAYTEST_LOOPBACK 0x0100 /**< Enable loopback for N-way. */
+#define NWAYTEST_RESV2 0xfe00 /**< Unused. */
+
+/*
+ * 1000BASE-T Control register.
+ */
+#define ADVERTISE_1000FULL 0x0200 /**< Advertise 1000BASE-T full duplex.*/
+#define ADVERTISE_1000HALF 0x0100 /**< Advertise 1000BASE-T half duplex.*/
+
+/*
+ * 1000BASE-T Status register.
+ */
+#define LPA_1000LOCALRXOK 0x2000 /**< Link partner local receiver status.*/
+#define LPA_1000REMRXOK 0x1000 /**< Link partner remote receiver status.*/
+#define LPA_1000FULL 0x0800 /**< Link partner 1000BASE-T full duplex.*/
+#define LPA_1000HALF 0x0400 /**< Link partner 1000BASE-T half duplex.*/
+
+/*
+ * PHY identifiers.
+ */
+#define MII_DM9161_ID 0x0181b8a0
+#define MII_AM79C875_ID 0x00225540
+#define MII_KS8721_ID 0x00221610
+
+#endif /* _MII_H_ */
+
+/** @} */
diff --git a/os/various/usb_cdc.h b/os/various/usb_cdc.h new file mode 100644 index 000000000..c1d3da3e7 --- /dev/null +++ b/os/various/usb_cdc.h @@ -0,0 +1,73 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file usb_cdc.h
+ * @brief USB Communication Device Class support header.
+ *
+ * @addtogroup USB_CDC
+ * @{
+ */
+
+#ifndef _USB_CDC_H_
+#define _USB_CDC_H_
+
+#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_AUX_LINE_STATE 0x10
+#define CDC_SET_HOOK_STATE 0x11
+#define CDC_PULSE_SETUP 0x12
+#define CDC_SEND_PULSE 0x13
+#define CDC_SET_PULSE_TIME 0x14
+#define CDC_RING_AUX_JACK 0x15
+#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 CDC_SET_RINGER_PARMS 0x30
+#define CDC_GET_RINGER_PARMS 0x31
+#define CDC_SET_OPERATION_PARMS 0x32
+#define CDC_GET_OPERATION_PARMS 0x33
+
+/**
+ * @brief Type of Line Coding structure.
+ */
+typedef struct {
+ uint8_t dwDTERate[4];
+ uint8_t bCharFormat;
+ uint8_t bParityType;
+ uint8_t bDataBits;
+} cdc_linecoding_t;
+
+#define LC_STOP_1 0
+#define LC_STOP_1P5 1
+#define LC_STOP_2 2
+
+#define LC_PARITY_NONE 0
+#define LC_PARITY_ODD 1
+#define LC_PARITY_EVEN 2
+#define LC_PARITY_MARK 3
+#define LC_PARITY_SPACE 4
+
+#endif /* _USB_CDC_H_ */
+
+/** @} */
diff --git a/os/various/usb_msc.c b/os/various/usb_msc.c new file mode 100644 index 000000000..fdabcd6ad --- /dev/null +++ b/os/various/usb_msc.c @@ -0,0 +1,207 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file usb_msc.c
+ * @brief USB Mass Storage Class code.
+ *
+ * @addtogroup USB_MSC
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#include "usb_msc.h"
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables. */
+/*===========================================================================*/
+
+/**
+ * @brief Zero-filled constant buffer.
+ */
+static const uint8_t zerobuf[4] = {0, 0, 0, 0};
+
+/**
+ * @brief MSC state machine current state.
+ */
+static mscstate_t msc_state;
+
+/**
+ * @brief Transfer lenght specified in the CBW.
+ */
+static uint32_t cbw_length;
+
+/**
+ * @brief Tag specified in the CBW.
+ */
+static uint32_t cbw_tag;
+
+/**
+ * @brief Transmitted lenght.
+ */
+static uint32_t csw_sent;
+
+/**
+ * @brief Status .
+ */
+static uint8_t csw_status;
+
+/**
+ * @brief Multi purpose I/O buffer.
+ */
+static union {
+ uint8_t buf[512];
+ msccbw_t CBW;
+ msccsw_t CSW;
+} u;
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/**
+ * @brief MSC state machine initialization.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ */
+static void msc_reset(USBDriver *usbp) {
+
+ msc_state = MSC_IDLE;
+ chSysLockFromIsr();
+ usbStartReceiveI(usbp, MSC_DATA_OUT_EP, u.buf, sizeof(u.buf));
+ chSysUnlockFromIsr();
+}
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Default requests hook.
+ * @details The application must use this function as callback for the
+ * messages hook.
+ * The following requests are emulated:
+ * - MSC_GET_MAX_LUN_COMMAND.
+ * - MSC_MASS_STORAGE_RESET_COMMAND.
+ * .
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @return The hook status.
+ * @retval TRUE Message handled internally.
+ * @retval FALSE Message not handled.
+ */
+bool_t mscRequestsHook(USBDriver *usbp) {
+
+ if ((usbp->setup[0] & (USB_RTYPE_TYPE_MASK | USB_RTYPE_RECIPIENT_MASK)) ==
+ (USB_RTYPE_TYPE_CLASS | USB_RTYPE_RECIPIENT_INTERFACE)) {
+ switch (usbp->setup[1]) {
+ case MSC_GET_MAX_LUN_COMMAND:
+ usbSetupTransfer(usbp, (uint8_t *)zerobuf, 1, NULL);
+ return TRUE;
+ case MSC_MASS_STORAGE_RESET_COMMAND:
+ msc_reset(usbp);
+ usbSetupTransfer(usbp, NULL, 0, NULL);
+ return TRUE;
+ default:
+ return FALSE;
+ }
+ }
+ return FALSE;
+}
+
+/**
+ * @brief Default data transmitted callback.
+ * @details The application must use this function as callback for the IN
+ * data endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ */
+void mscDataTransmitted(USBDriver *usbp, usbep_t ep) {
+
+ switch (msc_state) {
+ case MSC_DATA_IN:
+ u.CSW.dCSWSignature = MSC_CSW_SIGNATURE;
+ u.CSW.dCSWTag = cbw_tag;
+ u.CSW.dCSWDataResidue = cbw_length - csw_sent;
+ u.CSW.bCSWStatus = csw_status;
+ chSysLockFromIsr();
+ usbStartTransmitI(usbp, ep, (uint8_t *)&u.CSW, sizeof(u.CSW));
+ chSysUnlockFromIsr();
+ msc_state = MSC_SENDING_CSW;
+ break;
+ case MSC_SENDING_CSW:
+ chSysLockFromIsr();
+ usbStartReceiveI(usbp, MSC_DATA_OUT_EP, u.buf, sizeof(u.buf));
+ chSysUnlockFromIsr();
+ msc_state = MSC_IDLE;
+ break;
+ default:
+ ;
+ }
+}
+
+/**
+ * @brief Default data received callback.
+ * @details The application must use this function as callback for the OUT
+ * data endpoint.
+ *
+ * @param[in] usbp pointer to the @p USBDriver object
+ * @param[in] ep endpoint number
+ */
+void mscDataReceived(USBDriver *usbp, usbep_t ep) {
+ size_t n;
+
+ n = usbGetReceiveTransactionSizeI(usbp, ep);
+ switch (msc_state) {
+ case MSC_IDLE:
+ if ((n != sizeof(msccbw_t)) ||
+ (u.CBW.dCBWSignature != MSC_CBW_SIGNATURE))
+ goto stallout; /* 6.6.1 */
+
+ cbw_length = u.CBW.dCBWDataTransferLength;
+ cbw_tag = u.CBW.dCBWTag;
+ if (u.CBW.bmCBWFlags & 0x80) {
+ /* IN, Device to Host.*/
+/* if (scsi_decode_in(usbp))
+ goto stallout;*/
+ msc_state = MSC_DATA_IN;
+ }
+ else {
+ /* OUT, Host to Device.*/
+/* if (scsi_decode_out(usbp))
+ goto stallout;*/
+ msc_state = MSC_DATA_OUT;
+ }
+ break;
+ default:
+ ;
+ }
+ return;
+stallout:
+ msc_state = MSC_ERROR;
+ usbStallReceiveI(usbp, ep);
+ return;
+}
diff --git a/os/various/usb_msc.h b/os/various/usb_msc.h new file mode 100644 index 000000000..f7ab77c9c --- /dev/null +++ b/os/various/usb_msc.h @@ -0,0 +1,131 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 Giovanni Di Sirio.
+
+ This file is part of ChibiOS/RT.
+
+ ChibiOS/RT is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ ChibiOS/RT is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/**
+ * @file usb_msc.h
+ * @brief USB Mass Storage Class header.
+ *
+ * @addtogroup USB_MSC
+ * @{
+ */
+
+#ifndef _USB_MSC_H_
+#define _USB_MSC_H_
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+#define MSC_CBW_SIGNATURE 0x43425355
+#define MSC_CSW_SIGNATURE 0x53425355
+
+#define MSC_GET_MAX_LUN_COMMAND 0xFE
+#define MSC_MASS_STORAGE_RESET_COMMAND 0xFF
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @brief Endpoint number for bulk IN.
+ */
+#if !defined(MSC_DATA_IN_EP) || defined(__DOXYGEN__)
+#define MSC_DATA_IN_EP 1
+#endif
+
+/**
+ * @brief Endpoint number for bulk OUT.
+ */
+#if !defined(MSC_DATA_OUT_EP) || defined(__DOXYGEN__)
+#define MSC_DATA_OUT_EP 2
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief Type of the MSC possible states.
+ */
+typedef enum {
+ MSC_IDLE = 0,
+ MSC_DATA_OUT,
+ MSC_DATA_IN,
+ MSC_SENDING_CSW,
+ MSC_ERROR
+} mscstate_t;
+
+/**
+ * @brief CBW structure.
+ */
+struct CBW {
+ uint32_t dCBWSignature;
+ uint32_t dCBWTag;
+ uint32_t dCBWDataTransferLength;
+ uint8_t bmCBWFlags;
+ uint8_t bCBWLUN;
+ uint8_t bCBWCBLength;
+ uint8_t CBWCB[16];
+};
+
+/**
+ * @brief CSW structure.
+ */
+struct CSW {
+ uint32_t dCSWSignature;
+ uint32_t dCSWTag;
+ uint32_t dCSWDataResidue;
+ uint8_t bCSWStatus;
+};
+
+/**
+ * @brief Type of a CBW structure.
+ */
+typedef struct CBW msccbw_t;
+
+/**
+ * @brief Type of a CSW structure.
+ */
+typedef struct CSW msccsw_t;
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ bool_t mscRequestsHook(USBDriver *usbp);
+ void mscDataTransmitted(USBDriver *usbp, usbep_t ep);
+ void mscDataReceived(USBDriver *usbp, usbep_t ep);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _USB_MSC_H_ */
+
+/** @} */
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