195 lines
7.7 KiB
C
195 lines
7.7 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 "osal/osal.h"
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#include "usbh_hcd.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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static inline uint8_t get_new_address(void) ATTR_ALWAYS_INLINE;
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STATIC_ usbh_device_info_t usbh_device_info_pool[TUSB_CFG_HOST_DEVICE_MAX+1]; // including zero-address
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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 usbh_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_QUEUE_DEF(enum_queue, ENUM_QUEUE_DEPTH, uin32_t);
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osal_queue_handle_t enum_queue_hdl;
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STATIC_ uint8_t enum_data_buffer[TUSB_CFG_HOST_ENUM_BUFFER_SIZE] TUSB_CFG_ATTR_USBRAM;
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void usbh_enumeration_task(void)
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{
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tusb_error_t error;
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usbh_enumerate_t enum_entry;
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static uint8_t new_addr;
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OSAL_TASK_LOOP_BEGIN
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osal_queue_receive(enum_queue_hdl, (uint32_t*)(&enum_entry), OSAL_TIMEOUT_WAIT_FOREVER, &error);
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TASK_ASSERT( hcd_port_connect_status(enum_entry.core_id) ); // device may be unplugged
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usbh_device_info_pool[0].core_id = enum_entry.core_id;
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usbh_device_info_pool[0].hub_addr = enum_entry.hub_addr;
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usbh_device_info_pool[0].hub_port = enum_entry.hub_port;
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usbh_device_info_pool[0].speed = enum_entry.speed;
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TASK_ASSERT_STATUS( hcd_pipe_control_open(0, 8) );
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{ // Get first 8 bytes of device descriptor to get Control Endpoint Size
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tusb_std_request_t request_8byte_device_desc = {
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.bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
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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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hcd_pipe_control_xfer(0, &request_8byte_device_desc, enum_data_buffer);
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osal_semaphore_wait(usbh_device_info_pool[0].sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
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TASK_ASSERT_STATUS_HANDLER(error, tusbh_device_mount_failed_cb(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL) );
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}
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new_addr = get_new_address();
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TASK_ASSERT(new_addr <= TUSB_CFG_HOST_DEVICE_MAX);
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{ // Set new address
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tusb_std_request_t request_set_address = {
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.bmRequestType = { .direction = TUSB_DIR_HOST_TO_DEV, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
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.bRequest = TUSB_REQUEST_SET_ADDRESS,
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.wValue = new_addr
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};
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hcd_pipe_control_xfer(0, &request_set_address, NULL);
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osal_semaphore_wait(usbh_device_info_pool[0].sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
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TASK_ASSERT_STATUS_HANDLER(error, tusbh_device_mount_failed_cb(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL) );
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}
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// update device info & open control pipe for new address
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usbh_device_info_pool[new_addr].core_id = enum_entry.core_id;
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usbh_device_info_pool[new_addr].hub_addr = enum_entry.hub_addr;
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usbh_device_info_pool[new_addr].hub_port = enum_entry.hub_port;
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usbh_device_info_pool[new_addr].speed = enum_entry.speed;
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usbh_device_info_pool[new_addr].status = TUSB_DEVICE_STATUS_ADDRESSED;
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// usbh_device_info_pool[new_addr].pipe_control = hcd_pipe_control_open(new_addr, ((tusb_descriptor_device_t*) enum_data_buffer)->bMaxPacketSize0 );
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{ // Get full device descriptor
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// tusb_std_request_t request_device_desc = {
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// .bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
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// .bRequest = TUSB_REQUEST_GET_DESCRIPTOR,
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// .wValue = (TUSB_DESC_DEVICE << 8),
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// .wLength = 18
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// };
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//
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// hcd_pipe_control_xfer(device_addr0.pipe_hdl, &request_device_desc, enum_data_buffer);
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// osal_semaphore_wait(usbh_device_info_pool[0].sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
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// TASK_ASSERT_STATUS_HANDLER(error, tusbh_device_mount_failed_cb(TUSB_ERROR_USBH_MOUNT_DEVICE_NOT_RESPOND, NULL) );
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}
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OSAL_TASK_LOOP_END
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}
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//--------------------------------------------------------------------+
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// REPORTER TASK & ITS DATA
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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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memclr_(usbh_device_info_pool, sizeof(usbh_device_info_t)*(TUSB_CFG_HOST_DEVICE_MAX+1));
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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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//--------------------------------------------------------------------+
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// INTERNAL HELPER
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//--------------------------------------------------------------------+
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static inline uint8_t get_new_address(void)
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{
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uint8_t new_addr;
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for (new_addr=1; new_addr <= TUSB_CFG_HOST_DEVICE_MAX; new_addr++)
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{
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if (usbh_device_info_pool[new_addr].status == TUSB_DEVICE_STATUS_UNPLUG)
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break;
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}
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return new_addr;
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}
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