Christina Quast | b123d74 | 2014-12-23 13:03:36 +0100 | [diff] [blame] | 1 | /* ---------------------------------------------------------------------------- |
| 2 | * ATMEL Microcontroller Software Support |
| 3 | * ---------------------------------------------------------------------------- |
| 4 | * Copyright (c) 2008, Atmel Corporation |
| 5 | * |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions are met: |
| 10 | * |
| 11 | * - Redistributions of source code must retain the above copyright notice, |
| 12 | * this list of conditions and the disclaimer below. |
| 13 | * |
| 14 | * Atmel's name may not be used to endorse or promote products derived from |
| 15 | * this software without specific prior written permission. |
| 16 | * |
| 17 | * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
| 20 | * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
| 23 | * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 24 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 25 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| 26 | * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | * ---------------------------------------------------------------------------- |
| 28 | */ |
| 29 | |
| 30 | /** |
| 31 | * \file |
| 32 | * |
| 33 | * \section Purpose |
| 34 | * |
| 35 | * USB Device Driver class definition. |
| 36 | * |
| 37 | * \section Usage |
| 38 | * |
| 39 | * -# Instanciate a USBDDriver object and initialize it using |
| 40 | * USBDDriver_Initialize. |
| 41 | * -# When a USB SETUP request is received, forward it to the standard |
| 42 | * driver using USBDDriver_RequestHandler. |
| 43 | * -# Check the Remote Wakeup setting via USBDDriver_IsRemoteWakeUpEnabled. |
| 44 | */ |
| 45 | |
| 46 | #ifndef USBDDRIVER_H |
| 47 | #define USBDDRIVER_H |
| 48 | |
| 49 | /** \addtogroup usbd_interface |
| 50 | *@{ |
| 51 | */ |
| 52 | |
| 53 | /*------------------------------------------------------------------------------ |
| 54 | * Headers |
| 55 | *------------------------------------------------------------------------------*/ |
| 56 | |
| 57 | /* These headers were introduced in C99 by working group |
| 58 | * ISO/IEC JTC1/SC22/WG14. |
| 59 | */ |
| 60 | #include <stdbool.h> |
| 61 | #include <stdint.h> |
| 62 | #include <stdio.h> |
| 63 | |
| 64 | #include <USBRequests.h> |
| 65 | #include <USBDescriptors.h> |
| 66 | #include <USBLib_Types.h> |
| 67 | |
| 68 | /*------------------------------------------------------------------------------ |
| 69 | * Types |
| 70 | *------------------------------------------------------------------------------*/ |
| 71 | |
| 72 | /** |
| 73 | * \typedef USBDDriverDescriptors |
| 74 | * \brief List of all descriptors used by a USB device driver. Each descriptor |
| 75 | * can be provided in two versions: full-speed and high-speed. Devices |
| 76 | * which are not high-speed capable do not need to provided high-speed |
| 77 | * descriptors and the full-speed qualifier & other speed descriptors. |
| 78 | */ |
| 79 | typedef struct _USBDDriverDescriptors { |
| 80 | |
| 81 | /** Pointer to the full-speed device descriptor */ |
| 82 | const USBDeviceDescriptor *pFsDevice; |
Christina Quast | 49ba6bc | 2015-02-20 14:35:36 +0100 | [diff] [blame] | 83 | /** Pointer to the full-speed configuration descriptor array */ |
| 84 | const USBConfigurationDescriptor **pFsConfiguration; |
Christina Quast | b123d74 | 2014-12-23 13:03:36 +0100 | [diff] [blame] | 85 | /** Pointer to the full-speed qualifier descriptor */ |
| 86 | const USBDeviceQualifierDescriptor *pFsQualifier; |
| 87 | /** Pointer to the full-speed other speed configuration descriptor */ |
| 88 | const USBConfigurationDescriptor *pFsOtherSpeed; |
| 89 | /** Pointer to the high-speed device descriptor */ |
| 90 | const USBDeviceDescriptor *pHsDevice; |
| 91 | /** Pointer to the high-speed configuration descriptor */ |
| 92 | const USBConfigurationDescriptor *pHsConfiguration; |
| 93 | /** Pointer to the high-speed qualifier descriptor */ |
| 94 | const USBDeviceQualifierDescriptor *pHsQualifier; |
| 95 | /** Pointer to the high-speed other speed configuration descriptor */ |
| 96 | const USBConfigurationDescriptor *pHsOtherSpeed; |
| 97 | /** Pointer to the list of string descriptors */ |
| 98 | const uint8_t **pStrings; |
| 99 | /** Number of string descriptors in list */ |
| 100 | uint8_t numStrings; |
| 101 | |
| 102 | } USBDDriverDescriptors; |
| 103 | |
| 104 | /** |
| 105 | * \typedef USBDDriver |
| 106 | * \brief USB device driver structure, holding a list of descriptors identifying |
| 107 | * the device as well as the driver current state. |
| 108 | */ |
| 109 | typedef struct _USBDDriver { |
| 110 | |
| 111 | /** List of descriptors used by the device. */ |
| 112 | const USBDDriverDescriptors *pDescriptors; |
| 113 | /** Current setting for each interface. */ |
| 114 | uint8_t *pInterfaces; |
| 115 | /** Current configuration number (0 -> device is not configured). */ |
| 116 | uint8_t cfgnum; |
| 117 | /** Indicates if remote wake up has been enabled by the host. */ |
| 118 | uint8_t isRemoteWakeUpEnabled; |
| 119 | /** Features supported by OTG */ |
| 120 | uint8_t otg_features_supported; |
| 121 | } USBDDriver; |
| 122 | |
| 123 | /*------------------------------------------------------------------------------ |
| 124 | * Exported functions |
| 125 | *------------------------------------------------------------------------------*/ |
| 126 | |
| 127 | extern USBDDriver *USBD_GetDriver(void); |
| 128 | extern void USBDDriver_Initialize( |
| 129 | USBDDriver *pDriver, |
| 130 | const USBDDriverDescriptors *pDescriptors, |
| 131 | uint8_t *pInterfaces); |
| 132 | extern USBConfigurationDescriptor* USBDDriver_GetCfgDescriptors( |
| 133 | USBDDriver * pDriver, |
| 134 | uint8_t cfgNum); |
| 135 | extern void USBDDriver_RequestHandler( |
| 136 | USBDDriver *pDriver, |
| 137 | const USBGenericRequest *pRequest); |
| 138 | extern uint8_t USBDDriver_IsRemoteWakeUpEnabled(const USBDDriver *pDriver); |
| 139 | extern uint8_t USBDDriver_returnOTGFeatures(const USBDDriver *pDriver); |
| 140 | extern void USBDDriver_clearOTGFeatures(USBDDriver *pDriver); |
| 141 | |
| 142 | extern void USBDDriverCallbacks_ConfigurationChanged(uint8_t cfgnum); |
| 143 | extern void USBDDriverCallbacks_InterfaceSettingChanged(uint8_t interface, uint8_t setting); |
| 144 | |
| 145 | /**@}*/ |
| 146 | |
| 147 | #endif /*#ifndef USBDDRIVER_H*/ |
| 148 | |