146 lines
5.0 KiB
C
146 lines
5.0 KiB
C
/*
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* usbd_host.c
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*
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* Created on: Jan 19, 2013
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* Author: hathach
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*/
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/*
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* Software License Agreement (BSD License)
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* Copyright (c) 2013, hathach (tinyusb.net)
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the tiny usb stack.
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*/
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#include "tusb_option.h"
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#ifdef TUSB_CFG_HOST
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#define _TINY_USB_SOURCE_FILE_
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//--------------------------------------------------------------------+
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// INCLUDE
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//--------------------------------------------------------------------+
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#include "common/common.h"
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#include "usbd_host.h"
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#include "osal/osal.h"
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//--------------------------------------------------------------------+
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// MACRO CONSTANT TYPEDEF
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//--------------------------------------------------------------------+
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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//--------------------------------------------------------------------+
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struct {
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tusb_speed_t speed;
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uint8_t hub_addr;
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uint8_t hub_port;
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} usbh_device_addr0[TUSB_CFG_HOST_CONTROLLER_NUM];
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STATIC_ usbh_device_info_t device_info_pool[TUSB_CFG_HOST_DEVICE_MAX];
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//--------------------------------------------------------------------+
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// PUBLIC API (Parameter Verification is required)
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//--------------------------------------------------------------------+
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tusbh_device_status_t tusbh_device_status_get (tusb_handle_device_t const device_hdl)
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{
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ASSERT(device_hdl < TUSB_CFG_HOST_DEVICE_MAX, 0);
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return device_info_pool[device_hdl].status;
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}
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//--------------------------------------------------------------------+
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// ENUMERATION TASK & ITS DATA
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//--------------------------------------------------------------------+
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OSAL_TASK_DEF(enum_task, usbh_enumeration_task, 128, OSAL_PRIO_HIGH);
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#define ENUM_QUEUE_DEPTH 5
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OSAL_DEF_QUEUE(enum_queue, ENUM_QUEUE_DEPTH, uin32_t);
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osal_queue_handle_t enum_queue_hdl;
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void usbh_enumeration_task(void)
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{
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usbh_enumerate_t enum_item;
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tusb_error_t error;
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OSAL_TASK_LOOP_BEGIN
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osal_queue_receive(enum_queue_hdl, (uint32_t*)&enum_item, OSAL_TIMEOUT_NORMAL, &error);
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TASK_ASSERT_STATUS(error);
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if (enum_item.hub_address == 0) // direct connection
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{
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if ( enum_item.connect_status == hcd_port_connect_status(enum_item.core_id) ) // there chances the event is out-dated
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{
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tusb_std_request_t request_dev_desc =
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{
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.bmRequestType =
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{
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.direction = TUSB_DIR_DEV_TO_HOST,
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.type = TUSB_REQUEST_TYPE_STANDARD,
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.recipient = TUSB_REQUEST_RECIPIENT_DEVICE
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},
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.bRequest = TUSB_REQUEST_GET_DESCRIPTOR,
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.wValue = (TUSB_DESC_DEVICE << 8),
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.wLength = 8
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};
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tusb_speed_t speed = hcd_port_speed(enum_item.core_id);
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pipe_handle_t pipe_addr0 = hcd_pipe_addr0_open(enum_item.core_id, speed, enum_item.hub_address, enum_item.hub_port);
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// hcd_pipe_control_xfer(pipe_addr0, &request_dev_desc)
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}
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}else // device connect via a hub
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{
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ASSERT_MESSAGE("%s", "Hub is not supported yet");
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}
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OSAL_TASK_LOOP_END
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}
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//--------------------------------------------------------------------+
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// CLASS-USBD API (don't require to verify parameters)
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//--------------------------------------------------------------------+
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tusb_error_t usbh_init(void)
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{
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uint32_t i;
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memset(device_info_pool, 0, sizeof(usbh_device_info_t)*TUSB_CFG_HOST_DEVICE_MAX);
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for(i=0; i<TUSB_CFG_HOST_CONTROLLER_NUM; i++)
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{
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ASSERT_STATUS( hcd_init(i) );
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}
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ASSERT_STATUS( osal_task_create(&enum_task) );
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enum_queue_hdl = osal_queue_create(&enum_queue);
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ASSERT_PTR(enum_queue_hdl, TUSB_ERROR_OSAL_QUEUE_FAILED);
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return TUSB_ERROR_NONE;
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}
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#endif
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