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/*
* usbd_host.c
*
* Created on: Jan 19, 2013
* Author: hathach
*/
/*
* Software License Agreement (BSD License)
* Copyright (c) 2013, hathach (tinyusb.net)
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 tiny usb stack.
*/
#include "tusb_option.h"
#ifdef TUSB_CFG_HOST
#define _TINY_USB_SOURCE_FILE_
//--------------------------------------------------------------------+
// INCLUDE
//--------------------------------------------------------------------+
#include "common/common.h"
#include "osal/osal.h"
#include "usbh_hcd.h"
//--------------------------------------------------------------------+
// MACRO CONSTANT TYPEDEF
//--------------------------------------------------------------------+
//--------------------------------------------------------------------+
// INTERNAL OBJECT & FUNCTION DECLARATION
//--------------------------------------------------------------------+
static inline uint8_t get_new_address(void) ATTR_ALWAYS_INLINE;
STATIC_ usbh_device_info_t usbh_device_info_pool[TUSB_CFG_HOST_DEVICE_MAX];
//--------------------------------------------------------------------+
// PUBLIC API (Parameter Verification is required)
//--------------------------------------------------------------------+
tusbh_device_status_t tusbh_device_status_get (tusb_handle_device_t const device_hdl)
{
ASSERT(device_hdl < TUSB_CFG_HOST_DEVICE_MAX, 0);
return usbh_device_info_pool[device_hdl].status;
}
//--------------------------------------------------------------------+
// ENUMERATION TASK & ITS DATA
//--------------------------------------------------------------------+
OSAL_TASK_DEF(enum_task, usbh_enumeration_task, 128, OSAL_PRIO_HIGH);
#define ENUM_QUEUE_DEPTH 5
OSAL_QUEUE_DEF(enum_queue, ENUM_QUEUE_DEPTH, uin32_t);
osal_queue_handle_t enum_queue_hdl;
usbh_device_addr0_t device_addr0 TUSB_CFG_ATTR_USBRAM;
uint8_t enum_data_buffer[TUSB_CFG_HOST_ENUM_BUFFER_SIZE] TUSB_CFG_ATTR_USBRAM;
void usbh_enumeration_task(void)
{
tusb_error_t error;
static uint8_t new_addr;
OSAL_TASK_LOOP_BEGIN
osal_queue_receive(enum_queue_hdl, (uint32_t*)(&device_addr0.enum_entry), OSAL_TIMEOUT_NORMAL, &error);
TASK_ASSERT_STATUS(error);
if (device_addr0.enum_entry.hub_addr == 0) // direct connection
{
TASK_ASSERT(device_addr0.enum_entry.connect_status == hcd_port_connect_status(device_addr0.enum_entry.core_id)); // there chances the event is out-dated
device_addr0.speed = hcd_port_speed(device_addr0.enum_entry.core_id);
error = hcd_addr0_open(&device_addr0);
TASK_ASSERT_STATUS(error);
{ // Get first 8 bytes of device descriptor to get Control Endpoint Size
tusb_std_request_t request_device_desc = {
.bmRequestType = { .direction = TUSB_DIR_DEV_TO_HOST, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_GET_DESCRIPTOR,
.wValue = (TUSB_DESC_DEVICE << 8),
.wLength = 8
};
hcd_pipe_control_xfer(device_addr0.pipe_hdl, &request_device_desc, enum_data_buffer);
osal_semaphore_wait(device_addr0.sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
TASK_ASSERT_STATUS(error);
}
new_addr = get_new_address();
TASK_ASSERT(new_addr < TUSB_CFG_HOST_DEVICE_MAX);
{ // Set new address
tusb_std_request_t request_set_address = {
.bmRequestType = { .direction = TUSB_DIR_HOST_TO_DEV, .type = TUSB_REQUEST_TYPE_STANDARD, .recipient = TUSB_REQUEST_RECIPIENT_DEVICE },
.bRequest = TUSB_REQUEST_SET_ADDRESS,
.wValue = (new_addr+1)
};
hcd_pipe_control_xfer(device_addr0.pipe_hdl, &request_set_address, NULL);
osal_semaphore_wait(device_addr0.sem_hdl, OSAL_TIMEOUT_NORMAL, &error); // careful of local variable without static
TASK_ASSERT_STATUS(error);
}
// update data for the new device
usbh_device_info_pool[new_addr].core_id = device_addr0.enum_entry.core_id;
usbh_device_info_pool[new_addr].hub_addr = device_addr0.enum_entry.hub_addr;
usbh_device_info_pool[new_addr].hub_port = device_addr0.enum_entry.hub_port;
usbh_device_info_pool[new_addr].speed = device_addr0.speed;
usbh_device_info_pool[new_addr].status = TUSB_DEVICE_STATUS_ADDRESSED;
hcd_addr0_close(&device_addr0);
}else // device connect via a hub
{
ASSERT_MESSAGE("%s", "Hub is not supported yet");
}
OSAL_TASK_LOOP_END
}
//--------------------------------------------------------------------+
// REPORTER TASK & ITS DATA
//--------------------------------------------------------------------+
//--------------------------------------------------------------------+
// CLASS-USBD API (don't require to verify parameters)
//--------------------------------------------------------------------+
tusb_error_t usbh_init(void)
{
uint32_t i;
memset(usbh_device_info_pool, 0, sizeof(usbh_device_info_t)*TUSB_CFG_HOST_DEVICE_MAX);
for(i=0; i<TUSB_CFG_HOST_CONTROLLER_NUM; i++)
{
ASSERT_STATUS( hcd_init(i) );
}
ASSERT_STATUS( osal_task_create(&enum_task) );
enum_queue_hdl = osal_queue_create(&enum_queue);
ASSERT_PTR(enum_queue_hdl, TUSB_ERROR_OSAL_QUEUE_FAILED);
return TUSB_ERROR_NONE;
}
#endif
//--------------------------------------------------------------------+
// INTERNAL HELPER
//--------------------------------------------------------------------+
static inline uint8_t get_new_address(void)
{
uint8_t new_addr;
for (new_addr=0; new_addr<TUSB_CFG_HOST_DEVICE_MAX; new_addr++)
{
if (usbh_device_info_pool[new_addr].status == TUSB_DEVICE_STATUS_UNPLUG)
break;
}
return new_addr;
}
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