123 lines
5.1 KiB
C
123 lines
5.1 KiB
C
/**************************************************************************/
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/*!
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@file hcd.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 Port Port
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* @{
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* \defgroup Port_HCD Host Controller Driver (HCD)
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* @{
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*/
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#ifndef _TUSB_HCD_H_
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#define _TUSB_HCD_H_
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#include "common/common.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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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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typedef struct {
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uint8_t dev_addr;
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uint8_t xfer_type;
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uint8_t index;
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uint8_t reserved;
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} pipe_handle_t;
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static inline bool pipehandle_is_valid(pipe_handle_t pipe_hdl) ATTR_CONST ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline bool pipehandle_is_valid(pipe_handle_t pipe_hdl)
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{
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return pipe_hdl.dev_addr > 0;
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}
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static inline bool pipehandle_is_equal(pipe_handle_t x, pipe_handle_t y) ATTR_CONST ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
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static inline bool pipehandle_is_equal(pipe_handle_t x, pipe_handle_t y)
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{
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return (x.dev_addr == y.dev_addr) && (x.xfer_type == y.xfer_type) && (x.index == y.index);
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}
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//--------------------------------------------------------------------+
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// USBH-HCD API
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//--------------------------------------------------------------------+
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tusb_error_t hcd_init(void) ATTR_WARN_UNUSED_RESULT;
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void hcd_isr(uint8_t hostid);
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//--------------------------------------------------------------------+
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// PIPE API
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//--------------------------------------------------------------------+
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// TODO control xfer should be used via usbh layer
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tusb_error_t hcd_pipe_control_open(uint8_t dev_addr, uint8_t max_packet_size) ATTR_WARN_UNUSED_RESULT;
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tusb_error_t hcd_pipe_control_xfer(uint8_t dev_addr, tusb_control_request_t const * p_request, uint8_t data[]) ATTR_WARN_UNUSED_RESULT;
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tusb_error_t hcd_pipe_control_close(uint8_t dev_addr) ATTR_WARN_UNUSED_RESULT;
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pipe_handle_t hcd_pipe_open(uint8_t dev_addr, tusb_descriptor_endpoint_t const * endpoint_desc, uint8_t class_code) ATTR_WARN_UNUSED_RESULT;
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tusb_error_t hcd_pipe_queue_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes) ATTR_WARN_UNUSED_RESULT; // only queue, not transferring yet
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tusb_error_t hcd_pipe_xfer(pipe_handle_t pipe_hdl, uint8_t buffer[], uint16_t total_bytes, bool int_on_complete) ATTR_WARN_UNUSED_RESULT;
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tusb_error_t hcd_pipe_close(pipe_handle_t pipe_hdl) /*ATTR_WARN_UNUSED_RESULT*/;
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bool hcd_pipe_is_busy(pipe_handle_t pipe_hdl) ATTR_PURE;
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bool hcd_pipe_is_error(pipe_handle_t pipe_hdl) ATTR_PURE;
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bool hcd_pipe_is_stalled(pipe_handle_t pipe_hdl) ATTR_PURE; // stalled also counted as error
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uint8_t hcd_pipe_get_endpoint_addr(pipe_handle_t pipe_hdl) ATTR_PURE;
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tusb_error_t hcd_pipe_clear_stall(pipe_handle_t pipe_hdl);
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#if 0
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tusb_error_t hcd_pipe_cancel()ATTR_WARN_UNUSED_RESULT;
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#endif
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//--------------------------------------------------------------------+
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// PORT API
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//--------------------------------------------------------------------+
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/// return the current connect status of roothub port
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bool hcd_port_connect_status(uint8_t hostid) ATTR_PURE ATTR_WARN_UNUSED_RESULT; // TODO make inline if possible
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void hcd_port_reset(uint8_t hostid);
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tusb_speed_t hcd_port_speed_get(uint8_t hostid) ATTR_PURE ATTR_WARN_UNUSED_RESULT; // TODO make inline if possible
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void hcd_port_unplug(uint8_t hostid); // called by usbh to instruct hcd that it can execute unplug procedure
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_HCD_H_ */
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/// @}
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/// @}
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