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Diff: USBDevice/TARGET_Silicon_Labs/inc/em_usb.h
- Revision:
- 59:2af474687369
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBDevice/TARGET_Silicon_Labs/inc/em_usb.h Thu Aug 13 15:46:06 2015 +0100
@@ -0,0 +1,999 @@
+/***************************************************************************//**
+ * @file em_usb.h
+ * @brief USB protocol stack library API for EFM32.
+ * @version 3.20.14
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2014 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+#ifndef __EM_USB_H
+#define __EM_USB_H
+
+#include "em_device.h"
+#include "em_assert.h"
+#if defined( USB_PRESENT ) && ( USB_COUNT == 1 )
+#include "usbconfig.h"
+#if defined( USB_DEVICE ) || defined( USB_HOST )
+
+#include <string.h>
+#include <stddef.h>
+#include "em_common.h"
+#include "em_int.h"
+
+#if defined( USB_USE_PRINTF )
+#include <stdio.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __CC_ARM
+#pragma anon_unions
+#endif
+
+/***************************************************************************//**
+ * @addtogroup USB
+ * @brief USB HOST and DEVICE protocol stacks.
+ * @{
+ ******************************************************************************/
+
+/***************************************************************************//**
+ * @addtogroup USB_COMMON
+ * @brief Common parts for both HOST and DEVICE USB stacks, see @ref usb_device
+ * and @ref usb_host pages for device and host library documentation.
+ * @{
+ ******************************************************************************/
+
+#define SILABS_USB_VID 0x10C4 /**< Silicon Labs Vendor ID, supplied by USB-IF. */
+
+/* SETUP request, direction of data stage */
+#define USB_SETUP_DIR_OUT 0 /**< Setup request data stage OUT direction value. */
+#define USB_SETUP_DIR_IN 1 /**< Setup request data stage IN direction value. */
+#define USB_SETUP_DIR_MASK 0x80 /**< Setup request data stage direction mask. */
+#define USB_SETUP_DIR_D2H 0x80 /**< Setup request data stage IN direction mask. */
+#define USB_SETUP_DIR_H2D 0x00 /**< Setup request data stage OUT direction mask. */
+
+/* SETUP request type */
+#define USB_SETUP_TYPE_STANDARD 0 /**< Standard setup request value. */
+#define USB_SETUP_TYPE_CLASS 1 /**< Class setup request value. */
+#define USB_SETUP_TYPE_VENDOR 2 /**< Vendor setup request value. */
+#define USB_SETUP_TYPE_STANDARD_MASK 0x00 /**< Standard setup request mask. */
+#define USB_SETUP_TYPE_CLASS_MASK 0x20 /**< Class setup request mask. */
+#define USB_SETUP_TYPE_VENDOR_MASK 0x40 /**< Vendor setup request mask. */
+
+/* SETUP request recipient */
+#define USB_SETUP_RECIPIENT_DEVICE 0 /**< Setup request device recipient value. */
+#define USB_SETUP_RECIPIENT_INTERFACE 1 /**< Setup request interface recipient value. */
+#define USB_SETUP_RECIPIENT_ENDPOINT 2 /**< Setup request endpoint recipient value. */
+#define USB_SETUP_RECIPIENT_OTHER 3 /**< Setup request other recipient value. */
+
+/* SETUP standard request codes for Full Speed devices */
+#define GET_STATUS 0 /**< Standard setup request GET_STATUS. */
+#define CLEAR_FEATURE 1 /**< Standard setup request CLEAR_FEATURE. */
+#define SET_FEATURE 3 /**< Standard setup request SET_FEATURE. */
+#define SET_ADDRESS 5 /**< Standard setup request SET_ADDRESS. */
+#define GET_DESCRIPTOR 6 /**< Standard setup request GET_DESCRIPTOR. */
+#define SET_DESCRIPTOR 7 /**< Standard setup request SET_DESCRIPTOR. */
+#define GET_CONFIGURATION 8 /**< Standard setup request GET_CONFIGURATION. */
+#define SET_CONFIGURATION 9 /**< Standard setup request SET_CONFIGURATION. */
+#define GET_INTERFACE 10 /**< Standard setup request GET_INTERFACE. */
+#define SET_INTERFACE 11 /**< Standard setup request SET_INTERFACE. */
+#define SYNCH_FRAME 12 /**< Standard setup request SYNCH_FRAME. */
+
+/* SETUP class request codes */
+#define USB_HID_GET_REPORT 0x01 /**< HID class setup request GET_REPORT. */
+#define USB_HID_GET_IDLE 0x02 /**< HID class setup request GET_IDLE. */
+#define USB_HID_SET_REPORT 0x09 /**< HID class setup request SET_REPORT. */
+#define USB_HID_SET_IDLE 0x0A /**< HID class setup request SET_IDLE. */
+#define USB_HID_SET_PROTOCOL 0x0B /**< HID class setup request SET_PROTOCOL. */
+#define USB_CDC_SETLINECODING 0x20 /**< CDC class setup request SET_LINE_CODING. */
+#define USB_CDC_GETLINECODING 0x21 /**< CDC class setup request GET_LINE_CODING. */
+#define USB_CDC_SETCTRLLINESTATE 0x22 /**< CDC class setup request SET_CONTROL_LINE_STATE. */
+#define USB_MSD_BOTRESET 0xFF /**< MSD class setup request Bulk only transfer reset. */
+#define USB_MSD_GETMAXLUN 0xFE /**< MSD class setup request Get Max LUN. */
+#define USB_AUDIO_GET_CUR 0x81 /**< Audio class setup request GET_CUR. */
+#define USB_AUDIO_SET_CUR 0x01 /**< Audio class setup request SET_CUR. */
+#define USB_AUDIO_GET_CUR 0x81 /**< Audio class setup request GET_CUR. */
+#define USB_AUDIO_SET_MIN 0x02 /**< Audio class setup request SET_MIN. */
+#define USB_AUDIO_GET_MIN 0x82 /**< Audio class setup request GET_MIN. */
+#define USB_AUDIO_SET_MAX 0x03 /**< Audio class setup request SET_MAX. */
+#define USB_AUDIO_GET_MAX 0x83 /**< Audio class setup request GET_MAX. */
+#define USB_AUDIO_SET_RES 0x04 /**< Audio class setup request SET_RES. */
+#define USB_AUDIO_GET_RES 0x84 /**< Audio class setup request GET_RES. */
+#define USB_AUDIO_SET_MEM 0x05 /**< Audio class setup request SET_MEM. */
+#define USB_AUDIO_GET_MEM 0x85 /**< Audio class setup request GET_MEM. */
+#define USB_AUDIO_GET_STAT 0xFF /**< Audio class setup request GET_STAT. */
+
+/* SETUP command GET/SET_DESCRIPTOR decriptor types */
+#define USB_DEVICE_DESCRIPTOR 1 /**< DEVICE descriptor value. */
+#define USB_CONFIG_DESCRIPTOR 2 /**< CONFIGURATION descriptor value. */
+#define USB_STRING_DESCRIPTOR 3 /**< STRING descriptor value. */
+#define USB_MAX_STRING_DESCRIPTOR_CHARS 126 /**< Maximum STRING descriptor bString length. */
+#define USB_INTERFACE_DESCRIPTOR 4 /**< INTERFACE descriptor value. */
+#define USB_ENDPOINT_DESCRIPTOR 5 /**< ENDPOINT descriptor value. */
+#define USB_DEVICE_QUALIFIER_DESCRIPTOR 6 /**< DEVICE_QUALIFIER descriptor value. */
+#define USB_OTHER_SPEED_CONFIG_DESCRIPTOR 7 /**< OTHER_SPEED_CONFIGURATION descriptor value. */
+#define USB_INTERFACE_POWER_DESCRIPTOR 8 /**< INTERFACE_POWER descriptor value. */
+#define USB_INTERFACE_ASSOCIATION_DESCRIPTOR 11 /**< INTERFACE_ASSOCIATION descriptor value. */
+#define USB_HID_DESCRIPTOR 0x21 /**< HID descriptor value. */
+#define USB_SMARTCARD_DESCRIPTOR 0x21 /**< Smartcard usb-ccid-specific Descriptor Type. */
+#define USB_HID_REPORT_DESCRIPTOR 0x22 /**< HID REPORT descriptor value. */
+#define USB_CS_INTERFACE_DESCRIPTOR 0x24 /**< Audio Class-specific interface Descriptor Type. */
+#define USB_CS_ENDPOINT_DESCRIPTOR 0x25 /**< Audio Class-specific endpoint Descriptor Type. */
+#define USB_HUB_DESCRIPTOR 0x29 /**< HUB descriptor value. */
+#define USB_CA_HEADER_DESCRIPTOR 1 /**< Audio Class-Specific AC Interface Header descriptor.*/
+#define USB_CA_INPUT_TERMINAL_DESCRIPTOR 2 /**< Audio Class-Specific AC Interface Input Terminal desc. */
+#define USB_CA_OUTPUT_TERMINAL_DESCRIPTOR 3 /**< Audio Class-Specific AC Interface Output Terminal desc.*/
+#define USB_CA_MIXER_UNIT_DESCRIPTOR 4 /**< Audio Class-Specific AC Interface Mixer descriptor.*/
+#define USB_CA_SELECTOR_UNIT_DESCRIPTOR 5 /**< Audio Class-Specific AC Interface Selector desc. */
+#define USB_CA_FEATURE_UNIT_DESCRIPTOR 6 /**< Audio Class-Specific AC Interface Feature desc. */
+#define USB_CA_PROCESSING_UNIT_DESCRIPTOR 7 /**< Audio Class-Specific AC Interface Processing desc.*/
+#define USB_CA_EXTENSION_UNIT_DESCRIPTOR 8 /**< Audio Class-Specific AC Interface Extension desc. */
+#define USB_CA_EP_GENERAL_DESCRIPTOR 1 /**< Audio Class-Specific general descriptor subtype code.*/
+#define USB_CA_AS_GENERAL_DESCRIPTOR 1 /**< Audio Class-Specific AS Interface General descriptor.*/
+#define USB_CA_FORMAT_TYPE_DESCRIPTOR 2 /**< Audio Class-Specific AS Interface Format Type desc. */
+
+#define USB_DEVICE_DESCSIZE 18 /**< Device descriptor size. */
+#define USB_CONFIG_DESCSIZE 9 /**< Configuration descriptor size. */
+#define USB_INTERFACE_DESCSIZE 9 /**< Interface descriptor size. */
+#define USB_ENDPOINT_DESCSIZE 7 /**< Endpoint descriptor size. */
+#define USB_DEVICE_QUALIFIER_DESCSIZE 10 /**< Device qualifier descriptor size. */
+#define USB_OTHER_SPEED_CONFIG_DESCSIZE 9 /**< Device other speed configuration descriptor size. */
+#define USB_INTERFACE_ASSOCIATION_DESCSIZE 8 /**< INTERFACE_ASSOCIATION descriptor size. */
+#define USB_HID_DESCSIZE 9 /**< HID descriptor size. */
+#define USB_SMARTCARD_DESCSIZE 54 /**< CCID descriptor size. */
+#define USB_CDC_HEADER_FND_DESCSIZE 5 /**< CDC Header functional descriptor size. */
+#define USB_CDC_CALLMNG_FND_DESCSIZE 5 /**< CDC Call Management functional descriptor size. */
+#define USB_CDC_ACM_FND_DESCSIZE 4 /**< CDC Abstract Control Management functional descriptor size.*/
+#define USB_CA_INPUT_TERMINAL_DESCSIZE 12 /**< Audio Input Terminal descriptor size. */
+#define USB_CA_OUTPUT_TERMINAL_DESCSIZE 9 /**< Audio Output Terminal descriptor size. */
+#define USB_CA_EP_GENERAL_DESCSIZE 7 /**< Audio Class-Specific general descriptor subtype size.*/
+#define USB_CA_AS_GENERAL_DESCSIZE 7 /**< Audio Class-Specific AS Interface General desc size.*/
+#define USB_CA_STD_AS_ENDPOINT_DESCSZIE 9 /**< Audio-class standard audio stream descriptor size.*/
+
+/* Misc. USB definitions */
+#define USB_LS_CTRL_EP_MAXSIZE 8 /**< The max size of low speed control endpoints. */
+#define USB_LS_INTR_EP_MAXSIZE 8 /**< The max size of low speed interrupt endpoints. */
+#define USB_FS_CTRL_EP_MAXSIZE 64 /**< The max size of full speed control endpoints. */
+#define USB_FS_INTR_EP_MAXSIZE 64 /**< The max size of full speed interrupt endpoints. */
+#define USB_FS_BULK_EP_MAXSIZE 64 /**< The max size of full speed bulk endpoints. */
+#define USB_FS_ISOC_EP_MAXSIZE 1023 /**< The max size of full speed isochronous endpoints. */
+#define USB_EPTYPE_CTRL 0 /**< Endpoint type control. */
+#define USB_EPTYPE_ISOC 1 /**< Endpoint type isochron. */
+#define USB_EPTYPE_BULK 2 /**< Endpoint type bulk. */
+#define USB_EPTYPE_INTR 3 /**< Endpoint type interrupt. */
+#define USB_EPSYNC_NO (0 << 2) /**< Endpoint synchronization type, none. */
+#define USB_EPSYNC_ASYNC (1 << 2) /**< Endpoint synchronization type, asynchronous. */
+#define USB_EPSYNC_ADAPTIVE (2 << 2) /**< Endpoint synchronization type, adaptive. */
+#define USB_EPSYNC_SYNC (3 << 2) /**< Endpoint synchronization type, synchronous. */
+#define USB_EP_DIR_IN 0x80 /**< Endpoint direction mask. */
+#define USB_SETUP_PKT_SIZE 8 /**< Setup request packet size. */
+#define USB_EPNUM_MASK 0x0F /**< Endpoint number mask. */
+#define USB_LANGID_ENUS 0x0409 /**< English-United States language id. */
+#define USB_MAX_DEVICE_ADDRESS 127 /**< Maximum allowable device address. */
+
+#define CONFIG_DESC_BM_REMOTEWAKEUP 0x20 /**< Configuration descriptor attribute macro. */
+#define CONFIG_DESC_BM_SELFPOWERED 0x40 /**< Configuration descriptor attribute macro. */
+#define CONFIG_DESC_BM_RESERVED_D7 0x80 /**< Configuration descriptor attribute macro. */
+#define CONFIG_DESC_BM_TRANSFERTYPE 0x03 /**< Configuration descriptor transfer type bitmask. */
+#define CONFIG_DESC_MAXPOWER_mA(x) (((x)+1)/2) /**< Configuration descriptor power macro. */
+
+#define DEVICE_IS_SELFPOWERED 0x0001 /**< Standard request GET_STATUS bitmask. */
+#define REMOTE_WAKEUP_ENABLED 0x0002 /**< Standard request GET_STATUS bitmask. */
+#define USB_FEATURE_ENDPOINT_HALT 0 /**< Standard request CLEAR/SET_FEATURE bitmask. */
+#define USB_FEATURE_DEVICE_REMOTE_WAKEUP 1 /**< Standard request CLEAR/SET_FEATURE bitmask. */
+
+#define HUB_FEATURE_PORT_RESET 4 /**< HUB class request CLEAR/SET_PORT_FEATURE feature selector. */
+#define HUB_FEATURE_PORT_POWER 8 /**< HUB class request CLEAR/SET_PORT_FEATURE feature selector. */
+#define HUB_FEATURE_C_PORT_CONNECTION 16 /**< HUB class request CLEAR/SET_PORT_FEATURE feature selector. */
+#define HUB_FEATURE_C_PORT_RESET 20 /**< HUB class request CLEAR/SET_PORT_FEATURE feature selector. */
+#define HUB_FEATURE_PORT_INDICATOR 22 /**< HUB class request CLEAR/SET_PORT_FEATURE feature selector. */
+
+#define USB_CLASS_CDC 2 /**< CDC device/interface class code. */
+#define USB_CLASS_CDC_DATA 0x0A /**< CDC Data interface class code. */
+#define USB_CLASS_CDC_ACM 2 /**< CDC Abstract Control Model interface subclass code. */
+#define USB_CLASS_CDC_HFN 0 /**< CDC class Header Functional Descriptor subtype. */
+#define USB_CLASS_CDC_CMNGFN 1 /**< CDC class Call Management Functional Descriptor subtype.*/
+#define USB_CLASS_CDC_ACMFN 2 /**< CDC class Abstract Control Management Functional Descriptor subtype.*/
+#define USB_CLASS_CDC_UNIONFN 6 /**< CDC class Union Functional Descriptor subtype. */
+
+#define USB_CLASS_HID 3 /**< HID device/interface class code. */
+#define USB_CLASS_HID_KEYBOARD 1 /**< HID keyboard interface protocol code. */
+#define USB_CLASS_HID_MOUSE 2 /**< HID mouse interface protocol code. */
+
+#define USB_CLASS_HUB 9 /**< HUB device/interface class code. */
+
+#define USB_CLASS_MSD 8 /**< MSD device/interface class code. */
+#define USB_CLASS_MSD_BOT_TRANSPORT 0x50 /**< MSD Bulk Only Transport protocol. */
+#define USB_CLASS_MSD_SCSI_CMDSET 6 /**< MSD Subclass SCSI transparent command set. */
+#define USB_CLASS_MSD_CSW_CMDPASSED 0 /**< MSD BOT Command status wrapper command passed code. */
+#define USB_CLASS_MSD_CSW_CMDFAILED 1 /**< MSD BOT Command status wrapper command failed code. */
+#define USB_CLASS_MSD_CSW_PHASEERROR 2 /**< MSD BOT Command status wrapper cmd phase error code.*/
+
+#define USB_CLASS_AUDIO 1 /**< Audio interface class code. */
+#define USB_CLASS_AUDIO_CONTROL 1 /**< Audio subclass code for control interface. */
+#define USB_CLASS_AUDIO_STREAMING 2 /**< Audio subclass code for streaming interface. */
+#define USB_CLASS_AUDIO_MIDISTREAMING 3 /**< Audio subclass code for midi streaming interface. */
+
+/*** Triplet for the device descriptor of a composite device using IAD descriptors. ***/
+#define USB_CLASS_MISCELLANEOUS 0xEF /**< MISCELLANEOUS device class code. */
+#define USB_CLASS_MISC_COMMON_SUBCLASS 2 /**< MISCELLANEOUS Common sub class code. */
+#define USB_CLASS_MISC_IAD_PROTOCOL 1 /**< MISCELLANEOUS Interface Association Descriptor protocol code. */
+
+#define PORT_FULL_SPEED 1 /**< Full speed return value for USBH_GetPortSpeed(). */
+#define PORT_LOW_SPEED 2 /**< Low speed return value for USBH_GetPortSpeed(). */
+
+#if defined( __GNUC__ ) /* GCC compilers */
+#if defined( __CHAR16_TYPE__ )
+typedef __CHAR16_TYPE__ char16_t;
+#else
+typedef unsigned short char16_t;
+#endif
+
+#elif defined( __ICCARM__ ) /* IAR compiler */
+#include <uchar.h>
+
+#elif defined( __CC_ARM ) /* MDK-ARM compiler */
+typedef unsigned short char16_t;
+#endif
+
+/** Macro for creating USB compliant UTF-16LE UNICODE string descriptors.
+ * @n Example: STATIC_CONST_STRING_DESC( iManufacturer, 'E','n','e','r','g','y',' ','M','i','c','r','o',' ','A','S' );
+ * @note The size of the resulting struct will be two byte larger than a USB string
+ * descriptor. This is to accommodate a terminating null char for the string.
+ * The value assigned to the 'len' member does not take this into account
+ * and is therefore correct usb wise.
+ */
+#define STATIC_CONST_STRING_DESC( _name, ... ) \
+EFM32_PACK_START( 1 ) \
+typedef struct \
+{ \
+ uint8_t len; \
+ uint8_t type; \
+ char16_t name[ 1 + sizeof( (char16_t[]){__VA_ARGS__} ) / 2]; \
+} __attribute__ ((packed)) _##_name; \
+EFM32_PACK_END() \
+EFM32_ALIGN( 4 ) \
+EFM32_PACK_START( 1 ) \
+static const _##_name _name __attribute__ ((aligned(4)))= \
+{ \
+ .len = sizeof( _##_name ) - 2, \
+ .type = USB_STRING_DESCRIPTOR, \
+ .name = {__VA_ARGS__}, \
+ .name[ ( ( sizeof( _##_name ) - 2 ) / 2 ) - 1 ] = '\0' \
+} \
+EFM32_PACK_END()
+
+/** Macro for creating USB compliant language string descriptors.
+ * @n Example: STATIC_CONST_STRING_DESC_LANGID( langID, 0x04, 0x09 );
+ */
+#define STATIC_CONST_STRING_DESC_LANGID( _name, x, y ) \
+EFM32_PACK_START( 1 ) \
+typedef struct \
+{ \
+ uint8_t len; \
+ uint8_t type; \
+ uint8_t name[ 2 ]; \
+} __attribute__ ((packed)) _##_name; \
+EFM32_PACK_END() \
+EFM32_ALIGN( 4 ) \
+EFM32_PACK_START( 1 ) \
+static const _##_name _name __attribute__ ((aligned(4)))= \
+{ \
+ .len = 4, \
+ .type = USB_STRING_DESCRIPTOR, \
+ .name = { y, x } \
+} \
+EFM32_PACK_END()
+
+/** Macro for creating WORD (4 byte) aligned uint8_t array with size which
+ * is a multiple of WORD size.
+ * @n Example: @n UBUF( rxBuffer, 37 ); => uint8_t rxBuffer[ 40 ];
+ */
+#if !defined(__GNUC__)
+#define UBUF( x, y ) EFM32_ALIGN( 4 ) uint8_t x[((y)+3)&~3]
+#define STATIC_UBUF( x, y ) EFM32_ALIGN( 4 ) static uint8_t x[((y)+3)&~3]
+#else
+#define UBUF( x, y ) uint8_t x[((y)+3)&~3] __attribute__ ((aligned(4)))
+
+/** Macro for creating WORD (4 byte) aligned static uint8_t arrays with size which
+ * is a multiple of WORD size.
+ * @n Example: @n STATIC_UBUF( rxBuffer, 37 ); => static uint8_t rxBuffer[ 40 ];
+ */
+#define STATIC_UBUF( x, y ) static uint8_t x[((y)+3)&~3] __attribute__ ((aligned(4)))
+#endif
+
+
+/** @brief USB transfer status enumerator. */
+typedef enum
+{
+ /* NOTE: Please keep in sync with table errMsg[] in em_usbhal.c */
+ USB_STATUS_OK = 0, /**< No errors detected. */
+ USB_STATUS_REQ_ERR = -1, /**< Setup request error. */
+ USB_STATUS_EP_BUSY = -2, /**< Endpoint is busy. */
+ USB_STATUS_REQ_UNHANDLED = -3, /**< Setup request not handled. */
+ USB_STATUS_ILLEGAL = -4, /**< Illegal operation attempted. */
+ USB_STATUS_EP_STALLED = -5, /**< Endpoint is stalled. */
+ USB_STATUS_EP_ABORTED = -6, /**< Endpoint transfer was aborted. */
+ USB_STATUS_EP_ERROR = -7, /**< Endpoint transfer error. */
+ USB_STATUS_EP_NAK = -8, /**< Endpoint NAK'ed transfer request. */
+ USB_STATUS_DEVICE_UNCONFIGURED = -9, /**< Device is unconfigured. */
+ USB_STATUS_DEVICE_SUSPENDED = -10, /**< Device is suspended. */
+ USB_STATUS_DEVICE_RESET = -11, /**< Device is/was reset. */
+ USB_STATUS_TIMEOUT = -12, /**< Transfer timeout. */
+ USB_STATUS_DEVICE_REMOVED = -13, /**< Device was removed. */
+ USB_STATUS_HC_BUSY = -14, /**< Host channel is busy. */
+ USB_STATUS_DEVICE_MALFUNCTION = -15, /**< Malfunctioning device attached. */
+ USB_STATUS_PORT_OVERCURRENT = -16, /**< VBUS shortcircuit/overcurrent failure. */
+} USB_Status_TypeDef;
+/** @} (end addtogroup USB_COMMON) */
+
+
+#if defined( USB_DEVICE )
+/***************************************************************************//**
+ * @addtogroup USB_DEVICE
+ * @brief USB DEVICE protocol stack, see @ref usb_device page for detailed documentation.
+ * @{
+ ******************************************************************************/
+
+#define USB_PWRSAVE_MODE_OFF 0 /**< No energy saving mode selected. */
+#define USB_PWRSAVE_MODE_ONSUSPEND 1 /**< Enter USB power-save mode on suspend. */
+#define USB_PWRSAVE_MODE_ONVBUSOFF 2 /**< Enter USB power-save mode when not attached to host. */
+#define USB_PWRSAVE_MODE_ENTEREM2 4 /**< Enter EM2 while in power-save mode. */
+
+#define USB_USBC_32kHz_CLK_LFXO 0 /**< Use 32kHz LFXO clock while in powersave mode. */
+#define USB_USBC_32kHz_CLK_LFRCO 1 /**< Use 32kHz LFRCO clock while in powersave mode. */
+
+/** @brief USB device state enumerator. */
+typedef enum
+{
+ USBD_STATE_NONE = 0, /**< Device state is undefined/unknown. */
+ USBD_STATE_ATTACHED = 1, /**< Device state is ATTACHED. */
+ USBD_STATE_POWERED = 2, /**< Device state is POWERED. */
+ USBD_STATE_DEFAULT = 3, /**< Device state is DEFAULT. */
+ USBD_STATE_ADDRESSED = 4, /**< Device state is ADDRESSED. */
+ USBD_STATE_CONFIGURED = 5, /**< Device state is CONFIGURED. */
+ USBD_STATE_SUSPENDED = 6, /**< Device state is SUSPENDED. */
+ USBD_STATE_LASTMARKER = 7, /**< Device state enum end marker. */
+} USBD_State_TypeDef;
+/** @} (end addtogroup USB_DEVICE) */
+#endif /* defined( USB_DEVICE ) */
+
+/** @addtogroup USB_COMMON
+ * @{*/
+
+/** @brief USB Setup request package. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ union
+ {
+ struct
+ {
+ union
+ {
+ struct
+ {
+ uint8_t Recipient : 5; /**< Request recipient (device, interface, endpoint or other).*/
+ uint8_t Type : 2; /**< Request type (standard, class or vendor). */
+ uint8_t Direction : 1; /**< Transfer direction of SETUP data phase. */
+ };
+ uint8_t bmRequestType; /**< Request characteristics. */
+ };
+ uint8_t bRequest; /**< Request code. */
+ uint16_t wValue; /**< Varies according to request. */
+ uint16_t wIndex; /**< Index or offset, varies according to request. */
+ uint16_t wLength; /**< Number of bytes to transfer if there is a data stage.*/
+ };
+ uint32_t dw[2];
+ };
+} __attribute__ ((packed)) USB_Setup_TypeDef;
+EFM32_PACK_END()
+
+
+/** @brief USB Device Descriptor. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ uint8_t bLength; /**< Size of this descriptor in bytes */
+ uint8_t bDescriptorType; /**< Constant DEVICE Descriptor Type */
+ uint16_t bcdUSB; /**< USB Specification Release Number in Binary-Coded
+ Decimal */
+ uint8_t bDeviceClass; /**< Class code (assigned by the USB-IF) */
+ uint8_t bDeviceSubClass; /**< Subclass code (assigned by the USB-IF) */
+ uint8_t bDeviceProtocol; /**< Protocol code (assigned by the USB-IF) */
+ uint8_t bMaxPacketSize0; /**< Maximum packet size for endpoint zero */
+ uint16_t idVendor; /**< Vendor ID (assigned by the USB-IF) */
+ uint16_t idProduct; /**< Product ID (assigned by the manufacturer) */
+ uint16_t bcdDevice; /**< Device release number in binary-coded decimal */
+ uint8_t iManufacturer; /**< Index of string descriptor describing manufacturer*/
+ uint8_t iProduct; /**< Index of string descriptor describing product */
+ uint8_t iSerialNumber; /**< Index of string descriptor describing the device
+ serialnumber */
+ uint8_t bNumConfigurations; /**< Number of possible configurations */
+} __attribute__ ((packed)) USB_DeviceDescriptor_TypeDef;
+EFM32_PACK_END()
+
+
+/** @brief USB Configuration Descriptor. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ uint8_t bLength; /**< Size of this descriptor in bytes */
+ uint8_t bDescriptorType; /**< Constant CONFIGURATION Descriptor Type */
+ uint16_t wTotalLength; /**< Total length of data returned for this
+ configuration. Includes the combined length of all
+ descriptors (configuration, interface, endpoint,
+ and class- or vendor-specific) returned for this
+ configuration. */
+ uint8_t bNumInterfaces; /**< Number of interfaces supported by this
+ configuration */
+ uint8_t bConfigurationValue; /**< Value to use as an argument to the
+ SetConfiguration request to select this
+ configuration. */
+ uint8_t iConfiguration; /**< Index of string descriptor describing this
+ configuration. */
+ uint8_t bmAttributes; /**< Configuration characteristics.
+ @n D7: Reserved (set to one)
+ @n D6: Self-powered
+ @n D5: Remote Wakeup
+ @n D4...0: Reserved (reset to zero) */
+ uint8_t bMaxPower; /**< Maximum power consumption of the USB device, unit
+ is 2mA per LSB */
+} __attribute__ ((packed)) USB_ConfigurationDescriptor_TypeDef;
+EFM32_PACK_END()
+
+
+/** @brief USB Interface Descriptor. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ uint8_t bLength; /**< Size of this descriptor in bytes. */
+ uint8_t bDescriptorType; /**< Constant INTERFACE Descriptor Type. */
+ uint8_t bInterfaceNumber; /**< Number of this interface. Zero-based value
+ identifying the index in the array of concurrent
+ interfaces supported by this configuration. */
+ uint8_t bAlternateSetting; /**< Value used to select this alternate setting for
+ the interface identified in the prior field. */
+ uint8_t bNumEndpoints; /**< Number of endpoints used by this interface
+ (excluding endpoint zero). If this value is zero,
+ this interface only uses the Default Control Pipe.*/
+ uint8_t bInterfaceClass; /**< Class code (assigned by the USB-IF). A value
+ of zero is reserved for future standardization. If
+ this field is set to FFH, the interface class is
+ vendor-specific. All other values are reserved for
+ assignment by the USB-IF. */
+ uint8_t bInterfaceSubClass; /**< Subclass code (assigned by the USB-IF). These codes
+ are qualified by the value of the bInterfaceClass
+ field. If the bInterfaceClass field is reset to
+ zero, this field must also be reset to zero. If
+ the bInterfaceClass field is not set to FFH, all
+ values are reserved forassignment by the USB-IF. */
+ uint8_t bInterfaceProtocol; /**< Protocol code (assigned by the USB). These codes
+ are qualified by the value of the bInterfaceClass
+ and the bInterfaceSubClass fields. If an interface
+ supports class-specific requests, this code
+ identifies the protocols that the device uses as
+ defined by the specification of the device class.
+ If this field is reset to zero, the device does
+ not use a class-specific protocol on this
+ interface. If this field is set to FFH, the device
+ uses a vendor-specific protocol for this interface*/
+ uint8_t iInterface; /**< Index of string descriptor describing this
+ interface. */
+} __attribute__ ((packed)) USB_InterfaceDescriptor_TypeDef;
+EFM32_PACK_END()
+
+
+/** @brief USB Endpoint Descriptor. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ uint8_t bLength; /**< Size of this descriptor in bytes */
+ uint8_t bDescriptorType; /**< Constant ENDPOINT Descriptor Type */
+ uint8_t bEndpointAddress; /**< The address of the endpoint */
+ uint8_t bmAttributes; /**< This field describes the endpoint attributes */
+ uint16_t wMaxPacketSize; /**< Maximum packet size for the endpoint */
+ uint8_t bInterval; /**< Interval for polling EP for data transfers */
+} __attribute__ ((packed)) USB_EndpointDescriptor_TypeDef;
+EFM32_PACK_END()
+
+
+/** @brief USB String Descriptor. */
+EFM32_PACK_START( 1 )
+typedef struct
+{
+ uint8_t len; /**< Size of this descriptor in bytes. */
+ uint8_t type; /**< Constant STRING Descriptor Type. */
+ char16_t name[]; /**< The string encoded with UTF-16LE UNICODE charset. */
+} __attribute__ ((packed)) USB_StringDescriptor_TypeDef;
+EFM32_PACK_END()
+
+/** @} (end addtogroup USB_COMMON) */
+
+/*** -------------------- Serial port debug configuration ---------------- ***/
+
+#if defined( DOXY_DOC_ONLY )
+/** @addtogroup USB_COMMON
+ * @{*/
+
+/***************************************************************************//**
+ * @brief
+ * Transmit a single char on the debug serial port.
+ *
+ * @note
+ * This function is enabled with \#define DEBUG_USB_API when configuring the
+ * protocol stack in "usbconfig.h".
+ * This is convenient when debugging code, no need to remove use of this
+ * function when debugging has completed.
+ *
+ * @param[in] c
+ * Char to transmit.
+ *
+ * @return
+ * The char transmitted.
+ ******************************************************************************/
+int USB_PUTCHAR( char c );
+
+/***************************************************************************//**
+ * @brief
+ * Transmit a zero terminated string on the debug serial port.
+ *
+ * @note
+ * This function is enabled with \#define DEBUG_USB_API when configuring the
+ * protocol stack in "usbconfig.h".
+ * This is convenient when debugging code, no need to remove use of this
+ * function when debugging has completed.
+ *
+ * @param[in] p
+ * Pointer to string to transmit.
+ ******************************************************************************/
+void USB_PUTS( const char *p );
+
+/***************************************************************************//**
+ * @brief
+ * Transmit "printf" formated data on the debug serial port.
+ *
+ * @note
+ * This function is enabled with \#define USB_USE_PRINTF when configuring the
+ * protocol stack in "usbconfig.h".
+ * This is convenient when debugging code, no need to remove use of this
+ * function when debugging has completed.
+ *
+ * @param[in] format
+ * Format string (as in printf). No floating point format support.
+ ******************************************************************************/
+int USB_PRINTF( const char *format, ... );
+
+/** @} (end addtogroup USB_COMMON) */
+#endif /* defined( DOXY_DOC_ONLY ) */
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+
+/* Hardware constraint, do not change. */
+#define MAX_NUM_HOSTCHANNELS 14
+
+/* The DMA engine use one FIFO ram word for each host channel. */
+#define MAX_HOST_FIFO_SIZE_INWORDS (512-MAX_NUM_HOSTCHANNELS)/*Unit is 4 bytes*/
+
+#if defined ( USER_PUTCHAR )
+ void USB_Puts( const char *p );
+ #define USB_PUTS( s ) USB_Puts( s )
+ #define USB_PUTCHAR( c ) USER_PUTCHAR( c )
+#else
+ #define USB_PUTS( s )
+ #define USB_PUTCHAR( c )
+#endif
+
+#if defined( USB_USE_PRINTF )
+ /* Use a printf which don't support floating point formatting */
+ #if defined(__ICCARM__) || defined (__CC_ARM) || defined (__CROSSWORKS_ARM)
+ #define USB_PRINTF printf
+ #else
+ #define USB_PRINTF iprintf
+ #endif
+#else
+ #define USB_PRINTF(...)
+#endif /* defined( USB_USE_PRINTF ) */
+
+#if defined( DEBUG_USB_API )
+ #define DEBUG_USB_API_PUTS( s ) USB_PUTS( s )
+ #define DEBUG_USB_API_PUTCHAR( c ) USB_PUTCHAR( c )
+#else
+ #define DEBUG_USB_API_PUTS( s )
+ #define DEBUG_USB_API_PUTCHAR( c )
+#endif /* defined( DEBUG_USB_API ) */
+
+/** @endcond */
+
+/*** -------------------- Common API definitions ------------------------- ***/
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+
+#if defined( USB_HOST )
+ #if defined( NUM_APP_TIMERS )
+ #define NUM_QTIMERS ( NUM_HC_USED + 2 + NUM_APP_TIMERS + 1 )
+ #else
+ #define NUM_QTIMERS ( NUM_HC_USED + 2 + 1 )
+ #endif
+ /* + 2 for default ctrl. host ch. 0 & 1, + 1 for host port timer */
+#else
+ #if defined( NUM_APP_TIMERS )
+ #define NUM_QTIMERS ( NUM_APP_TIMERS )
+ #else
+ #define NUM_QTIMERS 0
+ #endif
+#endif /* defined( USB_HOST ) */
+/** @endcond */
+
+/** @addtogroup USB_COMMON
+ * @{*/
+
+/***************************************************************************//**
+ * @brief
+ * USB transfer callback function.
+ *
+ * @details
+ * The callback function is called when a transfer has completed. An application
+ * should check the status, xferred and optionally the remaining parameters
+ * before deciding if the transfer is usable. In the case where the transfer
+ * is part of a control request data stage, the callback function should
+ * return an appropriate @ref USB_Status_TypeDef status.
+ *
+ * @param[in] status
+ * The transfer status. See @ref USB_Status_TypeDef.
+ *
+ * @param[in] xferred
+ * Number of bytes actually transferred.
+ *
+ * @param[in] remaining
+ * Number of bytes not transferred.
+ *
+ * @return
+ * @ref USB_STATUS_OK on success, else an appropriate error code.
+ ******************************************************************************/
+typedef int (*USB_XferCompleteCb_TypeDef)( USB_Status_TypeDef status, uint32_t xferred, uint32_t remaining );
+
+/***************************************************************************//**
+ * @brief
+ * USBTIMER callback function.
+ *
+ * @details
+ * The callback function is called when an USBTIMER has expired. The callback
+ * is done with interrupts disabled.
+ ******************************************************************************/
+typedef void (*USBTIMER_Callback_TypeDef)( void );
+
+char *USB_GetErrorMsgString( int error );
+
+#if defined( USB_USE_PRINTF )
+ void USB_PrintErrorMsgString( char *pre, int error );
+#else
+ #define USB_PrintErrorMsgString( pre, error )
+#endif
+
+void USBTIMER_DelayMs( uint32_t msec );
+void USBTIMER_DelayUs( uint32_t usec );
+void USBTIMER_Init( void );
+
+#if ( NUM_QTIMERS > 0 )
+ void USBTIMER_Start( uint32_t id, uint32_t timeout, USBTIMER_Callback_TypeDef callback );
+ void USBTIMER_Stop( uint32_t id );
+#endif /* ( NUM_QTIMERS > 0 ) */
+/** @} (end addtogroup USB_COMMON) */
+
+#if defined( USB_DEVICE )
+/** @addtogroup USB_DEVICE
+ * @{*/
+/*** -------------------- DEVICE mode API definitions -------------------- ***/
+
+/***************************************************************************//**
+ * @brief
+ * USB Reset callback function.
+ * @details
+ * Called whenever USB reset signalling is detected on the USB port.
+ ******************************************************************************/
+typedef void (*USBD_UsbResetCb_TypeDef)( void );
+
+/***************************************************************************//**
+ * @brief
+ * USB Start Of Frame (SOF) interrupt callback function.
+ *
+ * @details
+ * Called at each SOF interrupt (if enabled),
+ *
+ * @param[in] sofNr
+ * Current frame number. The value rolls over to 0 after 16383 (0x3FFF).
+ ******************************************************************************/
+typedef void (*USBD_SofIntCb_TypeDef)( uint16_t sofNr );
+
+/***************************************************************************//**
+ * @brief
+ * USB State change callback function.
+ *
+ * @details
+ * Called whenever the device change state.
+ *
+ * @param[in] oldState
+ * The device USB state just leaved. See @ref USBD_State_TypeDef.
+ *
+ * @param[in] newState
+ * New (the current) USB device state. See @ref USBD_State_TypeDef.
+ ******************************************************************************/
+typedef void (*USBD_DeviceStateChangeCb_TypeDef)( USBD_State_TypeDef oldState, USBD_State_TypeDef newState );
+
+/***************************************************************************//**
+ * @brief
+ * USB power mode callback function.
+ *
+ * @details
+ * Called whenever the device stack needs to query if the device is currently
+ * self- or bus-powered. Typically when host has issued an @ref GET_STATUS
+ * setup command.
+ *
+ * @return
+ * True if self-powered, false otherwise.
+ ******************************************************************************/
+typedef bool (*USBD_IsSelfPoweredCb_TypeDef)( void );
+
+/***************************************************************************//**
+ * @brief
+ * USB setup request callback function.
+ *
+ * @details
+ * Called on each setup request received from host. This gives the application a
+ * possibility to extend or override standard requests, and to implement class
+ * or vendor specific requests. Return @ref USB_STATUS_OK if the request is
+ * handled, return @ref USB_STATUS_REQ_ERR if it is an illegal request or
+ * return @ref USB_STATUS_REQ_UNHANDLED to pass the request on to the default
+ * request handler.
+ *
+ * @param[in] setup
+ * Pointer to an USB setup packet. See @ref USB_Setup_TypeDef.
+ *
+ * @return
+ * An appropriate status/error code. See @ref USB_Status_TypeDef.
+ ******************************************************************************/
+typedef int (*USBD_SetupCmdCb_TypeDef)( const USB_Setup_TypeDef *setup );
+
+/** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
+struct USBD_Callbacks_TypeDef;
+typedef struct USBD_Callbacks_TypeDef const *USBD_Callbacks_TypeDef_Pointer;
+/** @endcond */
+
+
+/** @brief USB Device stack initialization structure.
+ * @details This structure is passed to @ref USBD_Init() when starting up
+ * the device. */
+typedef struct
+{
+ const USB_DeviceDescriptor_TypeDef *deviceDescriptor; /**< Pointer to a device descriptor. */
+ const uint8_t *configDescriptor; /**< Pointer to a configuration descriptor. */
+ const void * const *stringDescriptors; /**< Pointer to an array of string descriptor pointers.*/
+ const uint8_t numberOfStrings; /**< Number of strings in string descriptor array. */
+ const uint8_t *bufferingMultiplier; /**< Pointer to an array defining the size of the
+ endpoint buffers. The size is given in
+ multiples of endpoint size. Generally a value
+ of 1 (single) or 2 (double) buffering should be
+ used. */
+ USBD_Callbacks_TypeDef_Pointer callbacks; /**< Pointer to struct with callbacks
+ (@ref USBD_Callbacks_TypeDef). These callbacks
+ are used by the device stack to signal events
+ to or query the application. */
+ const uint32_t reserved; /**< Reserved for future use. */
+} USBD_Init_TypeDef;
+
+
+/** @brief USB Device stack callback structure.
+ * @details Callback functions used by the device stack to signal events or
+ * query status to/from the application. See @ref USBD_Init_TypeDef. Assign
+ * members to NULL if your application don't need a specific callback. */
+typedef struct USBD_Callbacks_TypeDef
+{
+ const USBD_UsbResetCb_TypeDef usbReset; /**< Called whenever USB reset signalling is detected
+ on the USB port. */
+ const USBD_DeviceStateChangeCb_TypeDef usbStateChange; /**< Called whenever the device change state. */
+ const USBD_SetupCmdCb_TypeDef setupCmd; /**< Called on each setup request received from host.*/
+ const USBD_IsSelfPoweredCb_TypeDef isSelfPowered; /**< Called whenever the device stack needs to query
+ if the device is currently self- or bus-powered.
+ Applies to devices which can operate in both modes.*/
+ const USBD_SofIntCb_TypeDef sofInt; /**< Called at each SOF interrupt. If NULL, the device
+ stack will not enable the SOF interrupt. */
+} USBD_Callbacks_TypeDef;
+
+
+/*** -------------------- DEVICE mode API -------------------------------- ***/
+
+void USBD_AbortAllTransfers( void );
+int USBD_AbortTransfer( int epAddr );
+void USBD_Connect( void );
+void USBD_Disconnect( void );
+bool USBD_EpIsBusy( int epAddr );
+USBD_State_TypeDef USBD_GetUsbState( void );
+const char * USBD_GetUsbStateName( USBD_State_TypeDef state );
+int USBD_Init( const USBD_Init_TypeDef *p );
+int USBD_Read( int epAddr, void *data, int byteCount, USB_XferCompleteCb_TypeDef callback );
+int USBD_RemoteWakeup( void );
+bool USBD_SafeToEnterEM2( void );
+int USBD_StallEp( int epAddr );
+void USBD_Stop( void );
+int USBD_UnStallEp( int epAddr );
+int USBD_Write( int epAddr, void *data, int byteCount, USB_XferCompleteCb_TypeDef callback );
+
+#ifdef __MBED__
+int USBD_SetAddress( uint8_t addr );
+int USBD_AddEndpoint( int epAddr, int transferType, int maxPacketSize, int bufferMult );
+int USBD_EpIsStalled( int epAddr );
+void USBD_StallEp0( void );
+#endif
+
+/** @} (end addtogroup USB_DEVICE) */
+#endif /* defined( USB_DEVICE ) */
+
+
+#if defined( USB_HOST )
+/***************************************************************************//**
+ * @addtogroup USB_HOST
+ * @brief USB HOST protocol stack, see @ref usb_host page for detailed documentation.
+ * @{
+ ******************************************************************************/
+/*** -------------------- HOST mode API definitions ---------------------- ***/
+
+#define USB_VBUSOVRCUR_PORT_NONE -1 /**< No overcurrent flag functionality. */
+#define USB_VBUSOVRCUR_POLARITY_LOW 0 /**< Overcurrent flag pin polarity is low. */
+#define USB_VBUSOVRCUR_POLARITY_HIGH 1 /**< Overcurrent flag pin polarity is high. */
+
+/** USB HOST endpoint status enumerator. */
+typedef enum
+{
+ H_EP_IDLE = 0, /**< The endpoint is idle. */
+ H_EP_SETUP = 1, /**< The endpoint is in SETUP stage. */
+ H_EP_DATA_IN = 2, /**< The endpoint is in DATA IN stage. */
+ H_EP_DATA_OUT = 3, /**< The endpoint is in DATA OUT stage. */
+ H_EP_STATUS_IN = 4, /**< The endpoint is in STATUS IN stage. */
+ H_EP_STATUS_OUT = 5, /**< The endpoint is in STATUS OUT stage. */
+} USBH_EpState_TypeDef;
+
+
+/** @brief USB HOST endpoint status data.
+ * @details A host application should not manipulate the contents of
+ * this struct. */
+typedef struct
+{
+ USB_Setup_TypeDef setup; /**< A SETUP package. */
+ uint8_t setupErrCnt; /**< Error counter for SETUP transfers. */
+ USB_EndpointDescriptor_TypeDef epDesc; /**< Endpoint descriptor. */
+ struct USBH_Device_TypeDef *parentDevice; /**< The device the endpoint belongs to. */
+ uint8_t type; /**< Endpoint type. */
+ uint16_t packetSize; /**< Packet size, current transfer. */
+ uint8_t hcOut; /**< Host channel number assigned for OUT transfers. */
+ uint8_t hcIn; /**< Host channel number assigned for IN transfers. */
+ bool in; /**< Endpoint direction. */
+ uint8_t toggle; /**< Endpoint data toggle. */
+ USBH_EpState_TypeDef state; /**< Endpoint state. */
+ uint8_t addr; /**< Endpoint address. */
+ uint8_t *buf; /**< Transfer buffer. */
+ volatile bool xferCompleted; /**< Transfer completion flag. */
+ USB_Status_TypeDef xferStatus; /**< Transfer status. */
+ USB_XferCompleteCb_TypeDef xferCompleteCb; /**< Transfer completion callback function. */
+ uint32_t xferred; /**< Number of bytes transferred. */
+ uint32_t remaining; /**< Number of bytes remaining. */
+ uint32_t timeout; /**< Transfer timeout. */
+} USBH_Ep_TypeDef;
+
+
+/** @brief USB HOST device definition.
+ * @details A host application should not manipulate the contents of
+ * this struct. */
+typedef struct USBH_Device_TypeDef
+{
+ USB_DeviceDescriptor_TypeDef devDesc; /**< The device device descriptor. */
+ USB_ConfigurationDescriptor_TypeDef confDesc; /**< The device configuration descriptor. */
+ USB_InterfaceDescriptor_TypeDef itfDesc; /**< The device interface descriptor. */
+ USBH_Ep_TypeDef ep0; /**< Endpoint 0 status data. */
+ USBH_Ep_TypeDef *ep; /**< Array of endpoint status data. */
+ int numEp; /**< Number of endpoints. */
+ uint8_t addr; /**< The device address. */
+ uint8_t speed; /**< The device speed (low or full speed). */
+} USBH_Device_TypeDef;
+
+
+/** @brief USB Host stack initialization structure.
+ * @details This structure is passed to @ref USBH_Init() when starting up the
+ * device. Max accumulated FIFO size is 2K bytes. */
+typedef struct
+{
+ uint32_t rxFifoSize; /**< Number of FIFO bytes set aside for IN endpoints. */
+ uint32_t nptxFifoSize; /**< Number of FIFO bytes set aside for OUT CTRL/BULK endoints. */
+ uint32_t ptxFifoSize; /**< Number of FIFO bytes set aside for OUT INTR/ISO endoints. */
+ uint32_t reserved; /**< Reserved for future use. */
+} USBH_Init_TypeDef;
+
+
+/** Default @ref USBH_Init_TypeDef values, provides reasonable Tx/Rx FIFO
+ * partitioning. */
+/* In DMA mode the total available FIFO space is smaller. */
+/* The DMA controller use one FIFO word pr. channel for status. */
+/* The unit in the table is byte. */
+#define USBH_INIT_DEFAULT \
+{ \
+ MAX_HOST_FIFO_SIZE_INWORDS * 2,/* 1024 bytes Rx FIFO size. */ \
+ MAX_HOST_FIFO_SIZE_INWORDS, /* 512 bytes non-periodic Tx FIFO size. */ \
+ MAX_HOST_FIFO_SIZE_INWORDS, /* 512 bytes periodic Tx FIFO size. */ \
+ 0 /* Reserved. */ \
+}
+
+/*** -------------------- HOST mode API ---------------------------------- ***/
+
+int USBH_AssignHostChannel( USBH_Ep_TypeDef *ep, uint8_t hcnum );
+int USBH_ControlMsg( USBH_Ep_TypeDef *ep, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength, void *data, int timeout, USB_XferCompleteCb_TypeDef callback );
+int USBH_ControlMsgB( USBH_Ep_TypeDef *ep, uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, uint16_t wLength, void *data, int timeout );
+bool USBH_DeviceConnected( void );
+int USBH_GetConfigurationDescriptorB( USBH_Device_TypeDef *device, void *buf, int len, uint8_t configIndex );
+int USBH_GetDeviceDescriptorB( USBH_Device_TypeDef *device, void *buf, int len );
+uint8_t USBH_GetPortSpeed( void );
+int USBH_GetStringB( USBH_Device_TypeDef *device, uint8_t *buf, int bufLen, uint8_t stringIndex, uint16_t langID );
+int USBH_Init( const USBH_Init_TypeDef *p );
+int USBH_InitDeviceData( USBH_Device_TypeDef *device, const uint8_t *buf, USBH_Ep_TypeDef *ep, int numEp, uint8_t deviceSpeed );
+int USBH_PortReset( void );
+int USBH_PortResume( void );
+void USBH_PortSuspend( void );
+void USBH_PrintString( const char *pre, const USB_StringDescriptor_TypeDef *s, const char *post );
+
+#if defined( USB_USE_PRINTF )
+int USBH_PrintConfigurationDescriptor( const USB_ConfigurationDescriptor_TypeDef *config, int maxLen );
+int USBH_PrintDeviceDescriptor( const USB_DeviceDescriptor_TypeDef *device );
+int USBH_PrintEndpointDescriptor( const USB_EndpointDescriptor_TypeDef *endpoint );
+int USBH_PrintInterfaceDescriptor( const USB_InterfaceDescriptor_TypeDef *interface );
+#else
+#define USBH_PrintConfigurationDescriptor( config, maxLen )
+#define USBH_PrintDeviceDescriptor( device )
+#define USBH_PrintEndpointDescriptor( endpoint )
+#define USBH_PrintInterfaceDescriptor( interface )
+#endif /* defined( USB_USE_PRINTF ) */
+
+int USBH_QueryDeviceB( uint8_t *buf, size_t bufsize, uint8_t deviceSpeed );
+USB_ConfigurationDescriptor_TypeDef* USBH_QGetConfigurationDescriptor( const uint8_t *buf, int configIndex );
+USB_DeviceDescriptor_TypeDef* USBH_QGetDeviceDescriptor( const uint8_t *buf );
+USB_EndpointDescriptor_TypeDef* USBH_QGetEndpointDescriptor( const uint8_t *buf, int configIndex, int interfaceIndex, int endpointIndex );
+USB_InterfaceDescriptor_TypeDef* USBH_QGetInterfaceDescriptor( const uint8_t *buf, int configIndex, int interfaceIndex );
+
+int USBH_Read( USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout, USB_XferCompleteCb_TypeDef callback );
+int USBH_ReadB( USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout );
+int USBH_SetAddressB( USBH_Device_TypeDef *device, uint8_t deviceAddress );
+int USBH_SetAltInterfaceB( USBH_Device_TypeDef *device, uint8_t interfaceIndex, uint8_t alternateSetting );
+int USBH_SetConfigurationB( USBH_Device_TypeDef *device, uint8_t configValue );
+int USBH_StallEpB( USBH_Ep_TypeDef *ep );
+void USBH_Stop( void );
+int USBH_UnStallEpB( USBH_Ep_TypeDef *ep );
+int USBH_WaitForDeviceConnectionB( uint8_t *buf, int timeoutInSeconds );
+int USBH_Write( USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout, USB_XferCompleteCb_TypeDef callback );
+int USBH_WriteB( USBH_Ep_TypeDef *ep, void *data, int byteCount, int timeout );
+
+/** @} (end addtogroup USB_HOST) */
+#endif /* defined( USB_HOST ) */
+/** @} (end addtogroup USB) */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* defined( USB_DEVICE ) || defined( USB_HOST ) */
+#endif /* defined( USB_PRESENT ) && ( USB_COUNT == 1 ) */
+#endif /* __EM_USB_H */