move class files
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hathach
132
tinyusb/class/cdc/cdc_device.h
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132
tinyusb/class/cdc/cdc_device.h
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/**************************************************************************/
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/*!
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@file cdc_device.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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#ifndef _TUSB_CDC_DEVICE_H_
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#define _TUSB_CDC_DEVICE_H_
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#include "common/common.h"
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#include "device/usbd.h"
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#include "cdc.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/** \addtogroup CDC_Serial Serial
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* @{
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* \defgroup CDC_Serial_Device Device
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* @{ */
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//--------------------------------------------------------------------+
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// APPLICATION API
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//--------------------------------------------------------------------+
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/** \brief Check if the interface is currently busy or not
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* \param[in] coreid USB Controller ID
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* \retval true if the interface is busy meaning the stack is still transferring/waiting data from/to host
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* \retval false if the interface is not busy meaning the stack successfully transferred data from/to host
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* \note This function is primarily used for polling/waiting result after \ref tusbd_hid_keyboard_send.
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*/
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bool tud_cdc_busy(uint8_t coreid, cdc_pipeid_t pipeid) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
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/** \brief Submit USB transfer
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* \param[in] coreid USB Controller ID
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* \param[in] p_data buffer containing data from application. Must be accessible by USB controller (see \ref TUSB_CFG_ATTR_USBRAM)
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* \param[in] length number of bytes in \a p_data.
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* \param[in] is_notify indicates whether the hardware completion (data transferred through USB bus) will be notified
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* to Application (via \ref tusbd_cdc_xfer_cb)
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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 busy transferring previous data.
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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. Data will be transferred when USB Host work with this interface.
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* The result of usb transfer will be reported by the interface's callback function if \a is_notify is true
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*/
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tusb_error_t tud_cdc_send(uint8_t coreid, void * p_data, uint32_t length, bool is_notify);
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/** \brief Submit USB transfer
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* \param[in] coreid USB Controller ID
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* \param[in] p_buffer application's buffer to receive data. Must be accessible by USB controller (see \ref TUSB_CFG_ATTR_USBRAM)
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* \param[in] length number of bytes in \a p_buffer.
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* \param[in] is_notify indicates whether the hardware completion (data transferred through USB bus) will be notified
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* to Application (via \ref tusbd_cdc_xfer_cb)
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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 busy transferring previous data.
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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. Data will be transferred when USB Host work with this interface.
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* The result of usb transfer will be reported by the interface's callback function if \a is_notify is true
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*/
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tusb_error_t tud_cdc_receive(uint8_t coreid, void * p_buffer, uint32_t length, bool is_notify);
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//--------------------------------------------------------------------+
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// APPLICATION CALLBACK API
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//--------------------------------------------------------------------+
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/** \brief Callback function that is invoked when an completion (error or success) of an USB transfer previously submitted
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* by application (e.g \ref tusbd_cdc_send or \ref tusbd_cdc_send) with \a is_notify set to true.
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* \param[in] coreid USB Controller ID
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* \param[in] event an value from \ref tusb_event_t
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* \param[in] pipe_id indicates which pipe of this interface the event occured.
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* \param[in] xferred_bytes is actual number of bytes transferred via USB bus. This value in general can be different to
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* the one that previously submitted by application.
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*/
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void tud_cdc_xfer_cb(uint8_t coreid, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes);
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//void tud_cdc_line_coding_changed_cb(uint8_t coreid, cdc_line_coding_t* p_line_coding);
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//--------------------------------------------------------------------+
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// USBD-CLASS DRIVER API
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//--------------------------------------------------------------------+
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#ifdef _TINY_USB_SOURCE_FILE_
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void cdcd_init(void);
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tusb_error_t cdcd_open(uint8_t coreid, tusb_descriptor_interface_t const * p_interface_desc, uint16_t *p_length);
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tusb_error_t cdcd_control_request_subtask(uint8_t coreid, tusb_control_request_t const * p_request);
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tusb_error_t cdcd_xfer_cb(endpoint_handle_t edpt_hdl, tusb_event_t event, uint32_t xferred_bytes);
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void cdcd_close(uint8_t coreid);
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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_CDC_DEVICE_H_ */
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/** @} */
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/** @} */
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