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/*
* Copyright (c) 2015, Freescale Semiconductor, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* o Redistributions of source code must retain the above copyright notice, this list
* of conditions and the following disclaimer.
*
* o Redistributions in binary form must reproduce the above copyright notice, this
* list of conditions and the following disclaimer in the documentation and/or
* other materials provided with the distribution.
*
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _USB_HOST_DEV_MNG_H_
#define _USB_HOST_DEV_MNG_H_
#include "usb_host.h"
/*******************************************************************************
* Definitions
******************************************************************************/
/*!
* @addtogroup usb_host_drv
* @{
*/
/*! @brief States of device instances enumeration */
typedef enum _usb_host_device_enumeration_status
{
kStatus_DEV_Notinit = 0, /*!< Device is invalid */
kStatus_DEV_Initial, /*!< Device has been processed by host driver */
kStatus_DEV_GetDes8, /*!< Enumeration process: get 8 bytes' device descriptor */
kStatus_DEV_SetAddress, /*!< Enumeration process: set device address */
kStatus_DEV_GetDes, /*!< Enumeration process: get device descriptor */
kStatus_DEV_GetCfg9, /*!< Enumeration process: get 9 bytes' configuration descriptor */
kStatus_DEV_GetCfg, /*!< Enumeration process: get configuration descriptor */
kStatus_DEV_SetCfg, /*!< Enumeration process: set configuration */
kStatus_DEV_EnumDone, /*!< Enumeration is done */
kStatus_DEV_AppUsed, /*!< This device has been used by application */
} usb_host_device_enumeration_status_t;
/*! @brief States of device's interface */
typedef enum _usb_host_interface_state
{
kStatus_interface_Attached = 1, /*!< Interface's default status */
kStatus_interface_Opened, /*!< Interface is used by application */
kStatus_interface_Detached, /*!< Interface is not used by application */
} usb_host_interface_state_t;
/*! @brief States of device */
typedef enum _usb_host_device_state
{
kStatus_device_Detached = 0, /*!< Device is used by application */
kStatus_device_Attached, /*!< Device's default status */
} usb_host_device_state_t;
/*! @brief Device instance */
typedef struct _usb_host_device_instance
{
struct _usb_host_device_instance *next; /*!< Next device, or NULL */
usb_host_handle hostHandle; /*!< Host handle */
usb_host_configuration_t configuration; /*!< Parsed configuration information for the device */
usb_descriptor_device_t deviceDescriptor; /*!< Standard device descriptor */
usb_host_pipe_handle controlPipe; /*!< Device's control pipe */
uint8_t *configurationDesc; /*!< Configuration descriptor pointer */
uint16_t configurationLen; /*!< Configuration descriptor length */
uint16_t configurationValue; /*!< Configuration index */
uint8_t interfaceStatus[USB_HOST_CONFIG_CONFIGURATION_MAX_INTERFACE]; /*!< Interfaces' status, please reference to
#usb_host_interface_state_t */
uint8_t enumBuffer[9]; /*!< Buffer for enumeration */
uint8_t state; /*!< Device state for enumeration */
uint8_t enumRetries; /*!< Re-enumeration when error in control transfer */
uint8_t stallRetries; /*!< Re-transfer when stall */
uint8_t speed; /*!< Device speed */
uint8_t allocatedAddress; /*!< Temporary address for the device. When set address request succeeds, setAddress is
a value, 1 - 127 */
uint8_t setAddress; /*!< The address has been set to the device successfully, 1 - 127 */
uint8_t deviceAttachState; /*!< See the usb_host_device_state_t */
#if ((defined USB_HOST_CONFIG_HUB) && (USB_HOST_CONFIG_HUB))
/* hub related */
uint8_t hubNumber; /*!< Device's first connected hub address (root hub = 0) */
uint8_t portNumber; /*!< Device's first connected hub's port no (1 - 8) */
uint8_t hsHubNumber; /*!< Device's first connected high-speed hub's address (1 - 8) */
uint8_t hsHubPort; /*!< Device's first connected high-speed hub's port no (1 - 8) */
uint8_t level; /*!< Device's level (root device = 0) */
#endif
} usb_host_device_instance_t;
typedef struct _usb_host_enum_process_entry
{
uint8_t successState; /*!< When the last step is successful, the next state value */
uint8_t retryState; /*!< When the last step need retry, the next state value */
usb_status_t (*process)(usb_host_device_instance_t *deviceInstance); /*!< When the last step transfer is done, the
function is used to process the transfer
data */
} usb_host_enum_process_entry_t;
/*******************************************************************************
* API
******************************************************************************/
/*!
* @brief Calls this function when device attach.
*
* @param hostHandle Host instance handle.
* @param speed Device speed.
* @param hubNumber Device hub no. root device's hub no. is 0.
* @param portNumber Device port no. root device's port no. is 0.
* @param level Device level. root device's level is 1.
* @param deviceHandle Return device handle.
*
* @return kStatus_USB_Success or error codes.
*/
extern usb_status_t USB_HostAttachDevice(usb_host_handle hostHandle,
uint8_t speed,
uint8_t hubNumber,
uint8_t portNumber,
uint8_t level,
usb_device_handle *deviceHandle);
/*!
* @brief Call this function when device detaches.
*
* @param hostHandle Host instance handle.
* @param hubNumber Device hub no. root device's hub no. is 0.
* @param portNumber Device port no. root device's port no. is 0.
*
* @return kStatus_USB_Success or error codes.
*/
extern usb_status_t USB_HostDetachDevice(usb_host_handle hostHandle, uint8_t hubNumber, uint8_t portNumber);
/*!
* @brief Call this function when device detaches.
*
* @param hostHandle Host instance handle.
* @param deviceHandle Device handle.
*
* @return kStatus_USB_Success or error codes.
*/
extern usb_status_t USB_HostDetachDeviceInternal(usb_host_handle hostHandle, usb_device_handle deviceHandle);
/*!
* @brief Gets the the device attach/detach state.
*
* @param deviceHandle Device handle.
*
* @return 0x01 - attached; 0x00 - detached.
*/
extern uint8_t USB_HostGetDeviceAttachState(usb_device_handle deviceHandle);
/*!
* @brief Determine whether the device is attached.
*
* @param hostHandle Host instance pointer.
* @param deviceHandle Device handle.
*
* @return kStatus_USB_Success or error codes.
*/
extern usb_status_t USB_HostValidateDevice(usb_host_handle hostHandle, usb_device_handle deviceHandle);
/*! @}*/
#endif /* _USB_HOST_DEV_MNG_H_ */
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