232 lines
11 KiB
C
232 lines
11 KiB
C
/**************************************************************************/
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/*!
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@file hid_host.h
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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/** \addtogroup ClassDriver_HID
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* @{ */
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#ifndef _TUSB_HID_HOST_H_
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#define _TUSB_HID_HOST_H_
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#include "common/tusb_common.h"
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#include "host/usbh.h"
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#include "hid.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------+
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// KEYBOARD Application API
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//--------------------------------------------------------------------+
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/** \addtogroup ClassDriver_HID_Keyboard Keyboard
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* @{ */
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/** \defgroup Keyboard_Host Host
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* The interface API includes status checking function, data transferring function and callback functions
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* @{ */
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extern uint8_t const hid_keycode_to_ascii_tbl[2][128]; // TODO used weak attr if build failed without KEYBOARD enabled
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/** \brief Check if device supports Keyboard interface or not
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* \param[in] dev_addr device address
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* \retval true if device supports Keyboard interface
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* \retval false if device does not support Keyboard interface or is not mounted
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*/
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bool tuh_hid_keyboard_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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/** \brief Check if the interface is currently busy or not
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* \param[in] dev_addr device address
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* \retval true if the interface is busy meaning the stack is still transferring/waiting data from/to device
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* \retval false if the interface is not busy meaning the stack successfully transferred data from/to device
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* \note This function is primarily used for polling/waiting result after \ref tuh_hid_keyboard_get_report.
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* Alternatively, asynchronous event API can be used
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*/
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bool tuh_hid_keyboard_is_busy(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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/** \brief Perform a get report from Keyboard interface
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* \param[in] dev_addr device address
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* \param[in,out] p_report address that is used to store data from device. Must be accessible by usb controller (see \ref CFG_TUSB_ATTR_USBRAM)
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* \returns \ref tusb_error_t type to indicate success or error condition.
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* \retval TUSB_ERROR_NONE on success
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* \retval TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device
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* \retval TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request)
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* \retval TUSB_ERROR_INVALID_PARA if input parameters are not correct
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* \note This function is non-blocking and returns immediately. The result of usb transfer will be reported by the interface's callback function
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*/
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tusb_error_t tuh_hid_keyboard_get_report(uint8_t dev_addr, void * p_report) /*ATTR_WARN_UNUSED_RESULT*/;
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//------------- Application Callback -------------//
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/** \brief Callback function that is invoked when an transferring event occurred
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* \param[in] dev_addr Address of device
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* \param[in] event an value from \ref tusb_event_t
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* \note event can be one of following
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* - TUSB_EVENT_XFER_COMPLETE : previously scheduled transfer completes successfully.
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* - TUSB_EVENT_XFER_ERROR : previously scheduled transfer encountered a transaction error.
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* - TUSB_EVENT_XFER_STALLED : previously scheduled transfer is stalled by device.
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* \note Application should schedule the next report by calling \ref tuh_hid_keyboard_get_report within this callback
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*/
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void tuh_hid_keyboard_isr(uint8_t dev_addr, tusb_event_t event);
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/** \brief Callback function that will be invoked when a device with Keyboard interface is mounted
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* \param[in] dev_addr Address of newly mounted device
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* \note This callback should be used by Application to set-up interface-related data
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*/
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void tuh_hid_keyboard_mounted_cb(uint8_t dev_addr);
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/** \brief Callback function that will be invoked when a device with Keyboard interface is unmounted
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* \param[in] dev_addr Address of newly unmounted device
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* \note This callback should be used by Application to tear-down interface-related data
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*/
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void tuh_hid_keyboard_unmounted_cb(uint8_t dev_addr);
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/** @} */ // Keyboard_Host
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/** @} */ // ClassDriver_HID_Keyboard
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//--------------------------------------------------------------------+
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// MOUSE Application API
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//--------------------------------------------------------------------+
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/** \addtogroup ClassDriver_HID_Mouse Mouse
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* @{ */
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/** \defgroup Mouse_Host Host
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* The interface API includes status checking function, data transferring function and callback functions
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* @{ */
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/** \brief Check if device supports Mouse interface or not
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* \param[in] dev_addr device address
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* \retval true if device supports Mouse interface
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* \retval false if device does not support Mouse interface or is not mounted
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*/
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bool tuh_hid_mouse_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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/** \brief Check if the interface is currently busy or not
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* \param[in] dev_addr device address
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* \retval true if the interface is busy meaning the stack is still transferring/waiting data from/to device
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* \retval false if the interface is not busy meaning the stack successfully transferred data from/to device
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* \note This function is primarily used for polling/waiting result after \ref tuh_hid_mouse_get_report.
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* Alternatively, asynchronous event API can be used
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*/
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bool tuh_hid_mouse_is_busy(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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/** \brief Perform a get report from Mouse interface
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* \param[in] dev_addr device address
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* \param[in,out] p_report address that is used to store data from device. Must be accessible by usb controller (see \ref CFG_TUSB_ATTR_USBRAM)
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* \returns \ref tusb_error_t type to indicate success or error condition.
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* \retval TUSB_ERROR_NONE on success
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* \retval TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device
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* \retval TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request)
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* \retval TUSB_ERROR_INVALID_PARA if input parameters are not correct
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* \note This function is non-blocking and returns immediately. The result of usb transfer will be reported by the interface's callback function
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*/
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tusb_error_t tuh_hid_mouse_get_report(uint8_t dev_addr, void* p_report) /*ATTR_WARN_UNUSED_RESULT*/;
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//------------- Application Callback -------------//
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/** \brief Callback function that is invoked when an transferring event occurred
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* \param[in] dev_addr Address of device
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* \param[in] event an value from \ref tusb_event_t
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* \note event can be one of following
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* - TUSB_EVENT_XFER_COMPLETE : previously scheduled transfer completes successfully.
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* - TUSB_EVENT_XFER_ERROR : previously scheduled transfer encountered a transaction error.
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* - TUSB_EVENT_XFER_STALLED : previously scheduled transfer is stalled by device.
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* \note Application should schedule the next report by calling \ref tuh_hid_mouse_get_report within this callback
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*/
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void tuh_hid_mouse_isr(uint8_t dev_addr, tusb_event_t event);
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/** \brief Callback function that will be invoked when a device with Mouse interface is mounted
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* \param[in] dev_addr Address of newly mounted device
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* \note This callback should be used by Application to set-up interface-related data
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*/
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void tuh_hid_mouse_mounted_cb(uint8_t dev_addr);
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/** \brief Callback function that will be invoked when a device with Mouse interface is unmounted
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* \param[in] dev_addr Address of newly unmounted device
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* \note This callback should be used by Application to tear-down interface-related data
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*/
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void tuh_hid_mouse_unmounted_cb(uint8_t dev_addr);
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/** @} */ // Mouse_Host
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/** @} */ // ClassDriver_HID_Mouse
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//--------------------------------------------------------------------+
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// GENERIC Application API
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//--------------------------------------------------------------------+
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/** \addtogroup ClassDriver_HID_Generic Generic (not supported yet)
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* @{ */
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/** \defgroup Generic_Host Host
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* The interface API includes status checking function, data transferring function and callback functions
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* @{ */
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bool tuh_hid_generic_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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tusb_error_t tuh_hid_generic_get_report(uint8_t dev_addr, void* p_report, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
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tusb_error_t tuh_hid_generic_set_report(uint8_t dev_addr, void* p_report, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
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tusb_interface_status_t tuh_hid_generic_get_status(uint8_t dev_addr) ATTR_WARN_UNUSED_RESULT;
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tusb_interface_status_t tuh_hid_generic_set_status(uint8_t dev_addr) ATTR_WARN_UNUSED_RESULT;
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//------------- Application Callback -------------//
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void tuh_hid_generic_isr(uint8_t dev_addr, tusb_event_t event);
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/** @} */ // Generic_Host
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/** @} */ // ClassDriver_HID_Generic
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//--------------------------------------------------------------------+
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// USBH-CLASS DRIVER API
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//--------------------------------------------------------------------+
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#ifdef _TINY_USB_SOURCE_FILE_
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typedef struct {
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pipe_handle_t pipe_hdl;
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uint16_t report_size;
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uint8_t interface_number;
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}hidh_interface_info_t;
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void hidh_init(void);
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tusb_error_t hidh_open_subtask(uint8_t dev_addr, tusb_desc_interface_t const *p_interface_desc, uint16_t *p_length) ATTR_WARN_UNUSED_RESULT;
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void hidh_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes);
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void hidh_close(uint8_t dev_addr);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_HID_HOST_H_ */
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/** @} */ // ClassDriver_HID
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