add simple echo cdc serial demo add cdc device send/receive API refractor descriptor refractor cdc.h add usbd driver function - init - bus_reset
		
			
				
	
	
		
			196 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			196 lines
		
	
	
		
			9.1 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/**************************************************************************/
 | 
						|
/*!
 | 
						|
    @file     cdc_host.h
 | 
						|
    @author   hathach (tinyusb.org)
 | 
						|
 | 
						|
    @section LICENSE
 | 
						|
 | 
						|
    Software License Agreement (BSD License)
 | 
						|
 | 
						|
    Copyright (c) 2013, hathach (tinyusb.org)
 | 
						|
    All rights reserved.
 | 
						|
 | 
						|
    Redistribution and use in source and binary forms, with or without
 | 
						|
    modification, are permitted provided that the following conditions are met:
 | 
						|
    1. Redistributions of source code must retain the above copyright
 | 
						|
    notice, this list of conditions and the following disclaimer.
 | 
						|
    2. 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.
 | 
						|
    3. Neither the name of the copyright holders 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 ''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 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.
 | 
						|
 | 
						|
    This file is part of the tinyusb stack.
 | 
						|
*/
 | 
						|
/**************************************************************************/
 | 
						|
 | 
						|
/** \addtogroup ClassDriver_CDC Communication Device Class (CDC)
 | 
						|
 *  @{ */
 | 
						|
 | 
						|
#ifndef _TUSB_CDC_HOST_H_
 | 
						|
#define _TUSB_CDC_HOST_H_
 | 
						|
 | 
						|
#include "common/common.h"
 | 
						|
#include "host/usbh.h"
 | 
						|
#include "cdc.h"
 | 
						|
 | 
						|
#ifdef __cplusplus
 | 
						|
 extern "C" {
 | 
						|
#endif
 | 
						|
 | 
						|
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
// APPLICATION PUBLIC API
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
/** \addtogroup CDC_Serial Serial
 | 
						|
 *  @{
 | 
						|
 *  \defgroup   CDC_Serial_Host Host
 | 
						|
 *  @{
 | 
						|
 *  */
 | 
						|
 | 
						|
/** \brief 			Check if device support CDC Serial interface or not
 | 
						|
 * \param[in]		dev_addr	device address
 | 
						|
 * \retval      true if device supports
 | 
						|
 * \retval      false if device does not support or is not mounted
 | 
						|
 */
 | 
						|
bool tusbh_cdc_serial_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
 | 
						|
 | 
						|
/** \brief      Check if the interface is currently busy or not
 | 
						|
 * \param[in]   dev_addr device address
 | 
						|
 * \param[in]   pipeid value from \ref cdc_pipeid_t to indicate target pipe.
 | 
						|
 * \retval      true if the interface is busy, meaning the stack is still transferring/waiting data from/to device
 | 
						|
 * \retval      false if the interface is not busy, meaning the stack successfully transferred data from/to device
 | 
						|
 * \note        This function is used to check if previous transfer is complete (success or error), so that the next transfer
 | 
						|
 *              can be scheduled. User needs to make sure the corresponding interface is mounted
 | 
						|
 *              (by \ref tusbh_cdc_serial_is_mounted or \ref tusbh_cdc_rndis_is_mounted) before calling this function.
 | 
						|
 */
 | 
						|
bool tusbh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid)  ATTR_PURE ATTR_WARN_UNUSED_RESULT;
 | 
						|
 | 
						|
/** \brief 			Perform USB OUT transfer to device
 | 
						|
 * \param[in]		dev_addr	device address
 | 
						|
 * \param[in]	  p_data    Buffer containing data. Must be accessible by USB controller (see \ref TUSB_CFG_ATTR_USBRAM)
 | 
						|
 * \param[in]		length    Number of bytes to be transferred via USB bus
 | 
						|
 * \retval      TUSB_ERROR_NONE on success
 | 
						|
 * \retval      TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device
 | 
						|
 * \retval      TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request)
 | 
						|
 * \retval      TUSB_ERROR_INVALID_PARA if input parameters are not correct
 | 
						|
 * \note        This function is non-blocking and returns immediately. The result of USB transfer will be reported by the
 | 
						|
 *              interface's callback function. \a p_data must be declared with \ref TUSB_CFG_ATTR_USBRAM.
 | 
						|
 */
 | 
						|
tusb_error_t tusbh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t length, bool is_notify);
 | 
						|
 | 
						|
/** \brief 			Perform USB IN transfer to get data from device
 | 
						|
 * \param[in]		dev_addr	device address
 | 
						|
 * \param[in]	  p_buffer  Buffer containing received data. Must be accessible by USB controller (see \ref TUSB_CFG_ATTR_USBRAM)
 | 
						|
 * \param[in]		length    Number of bytes to be transferred via USB bus
 | 
						|
 * \retval      TUSB_ERROR_NONE on success
 | 
						|
 * \retval      TUSB_ERROR_INTERFACE_IS_BUSY if the interface is already transferring data with device
 | 
						|
 * \retval      TUSB_ERROR_DEVICE_NOT_READY if device is not yet configured (by SET CONFIGURED request)
 | 
						|
 * \retval      TUSB_ERROR_INVALID_PARA if input parameters are not correct
 | 
						|
 * \note        This function is non-blocking and returns immediately. The result of USB transfer will be reported by the
 | 
						|
 *              interface's callback function. \a p_data must be declared with \ref TUSB_CFG_ATTR_USBRAM.
 | 
						|
 */
 | 
						|
tusb_error_t tusbh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool is_notify);
 | 
						|
 | 
						|
//------------- CDC Application Callback -------------//
 | 
						|
/** \brief 			Callback function that will be invoked when a device with CDC Abstract Control Model interface is mounted
 | 
						|
 * \param[in]	  dev_addr Address of newly mounted device
 | 
						|
 * \note        This callback should be used by Application to set-up interface-related data
 | 
						|
 */
 | 
						|
void tusbh_cdc_mounted_cb(uint8_t dev_addr);
 | 
						|
 | 
						|
/** \brief 			Callback function that will be invoked when a device with CDC Abstract Control Model interface is unmounted
 | 
						|
 * \param[in] 	dev_addr Address of newly unmounted device
 | 
						|
 * \note        This callback should be used by Application to tear-down interface-related data
 | 
						|
 */
 | 
						|
void tusbh_cdc_unmounted_cb(uint8_t dev_addr);
 | 
						|
 | 
						|
/** \brief      Callback function that is invoked when an transferring event occurred
 | 
						|
 * \param[in]		dev_addr	Address of device
 | 
						|
 * \param[in]   event an value from \ref tusb_event_t
 | 
						|
 * \param[in]   pipe_id value from \ref cdc_pipeid_t indicate the pipe
 | 
						|
 * \param[in]   xferred_bytes Number of bytes transferred via USB bus
 | 
						|
 * \note        event can be one of following
 | 
						|
 *              - TUSB_EVENT_XFER_COMPLETE : previously scheduled transfer completes successfully.
 | 
						|
 *              - TUSB_EVENT_XFER_ERROR   : previously scheduled transfer encountered a transaction error.
 | 
						|
 *              - TUSB_EVENT_XFER_STALLED : previously scheduled transfer is stalled by device.
 | 
						|
 * \note
 | 
						|
 */
 | 
						|
void tusbh_cdc_xfer_isr(uint8_t dev_addr, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes);
 | 
						|
 | 
						|
/// @}
 | 
						|
/// @}
 | 
						|
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
// RNDIS APPLICATION API
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
/** \addtogroup CDC_RNDIS Remote Network Driver Interface Specification (RNDIS)
 | 
						|
 * @{
 | 
						|
 * \addtogroup CDC_RNSID_Host Host
 | 
						|
 *  @{ */
 | 
						|
 | 
						|
bool tusbh_cdc_rndis_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_WARN_UNUSED_RESULT;
 | 
						|
tusb_error_t tusbh_cdc_rndis_get_mac_addr(uint8_t dev_addr, uint8_t mac_address[6]);
 | 
						|
 | 
						|
//------------- RNDIS Application Callback (overshadow CDC callbacks) -------------//
 | 
						|
/** \brief 			Callback function that will be invoked when a device with RNDIS interface is mounted
 | 
						|
 * \param[in]	  dev_addr Address of newly mounted device
 | 
						|
 * \note        This callback should be used by Application to set-up interface-related data
 | 
						|
 */
 | 
						|
void tusbh_cdc_rndis_mounted_cb(uint8_t dev_addr);
 | 
						|
 | 
						|
/** \brief 			Callback function that will be invoked when a device with RNDIS interface is unmounted
 | 
						|
 * \param[in] 	dev_addr Address of newly unmounted device
 | 
						|
 * \note        This callback should be used by Application to tear-down interface-related data
 | 
						|
 */
 | 
						|
void tusbh_cdc_rndis_unmounted_cb(uint8_t dev_addr);
 | 
						|
 | 
						|
void tusbh_cdc_rndis_xfer_isr(uint8_t dev_addr, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes);
 | 
						|
 | 
						|
/// @}
 | 
						|
/// @}
 | 
						|
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
// USBH-CLASS API
 | 
						|
//--------------------------------------------------------------------+
 | 
						|
#ifdef _TINY_USB_SOURCE_FILE_
 | 
						|
 | 
						|
typedef struct {
 | 
						|
  uint8_t interface_number;
 | 
						|
  uint8_t interface_protocol;
 | 
						|
  bool is_rndis;
 | 
						|
  cdc_acm_capability_t acm_capability;
 | 
						|
 | 
						|
  pipe_handle_t pipe_notification, pipe_out, pipe_in;
 | 
						|
 | 
						|
} cdch_data_t;
 | 
						|
 | 
						|
extern cdch_data_t cdch_data[TUSB_CFG_HOST_DEVICE_MAX]; // TODO consider to move to cdch internal header file
 | 
						|
 | 
						|
void         cdch_init(void);
 | 
						|
tusb_error_t cdch_open_subtask(uint8_t dev_addr, tusb_descriptor_interface_t const *p_interface_desc, uint16_t *p_length) ATTR_WARN_UNUSED_RESULT;
 | 
						|
void         cdch_isr(pipe_handle_t pipe_hdl, tusb_event_t event, uint32_t xferred_bytes);
 | 
						|
void         cdch_close(uint8_t dev_addr);
 | 
						|
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef __cplusplus
 | 
						|
 }
 | 
						|
#endif
 | 
						|
 | 
						|
#endif /* _TUSB_CDC_HOST_H_ */
 | 
						|
 | 
						|
/** @} */
 |