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mirror of https://github.com/gdsports/USBHost_t36 synced 2024-11-11 19:55:04 -05:00
USBHost_t36/hub.cpp
2017-02-11 06:03:54 -08:00

54 lines
1.9 KiB
C++

/* USB EHCI Host for Teensy 3.6
* Copyright 2017 Paul Stoffregen (paul@pjrc.com)
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <Arduino.h>
#include "USBHost.h"
USBHub::USBHub()
{
// TODO: free Device_t, Pipe_t & Transfer_t we will need
driver_ready_for_device(this);
}
bool USBHub::claim_device(Device_t *dev, const uint8_t *descriptors)
{
Serial.print("USBHub claim_device this=");
Serial.println((uint32_t)this, HEX);
if (dev->bDeviceClass != 9 || dev->bDeviceSubClass != 0) return false;
// bDeviceProtocol = 0 is full speed
// bDeviceProtocol = 1 is high speed single TT
// bDeviceProtocol = 2 is high speed multiple TT
Serial.print("bDeviceClass = ");
Serial.println(dev->bDeviceClass);
Serial.print("bDeviceSubClass = ");
Serial.println(dev->bDeviceSubClass);
Serial.print("bDeviceProtocol = ");
Serial.println(dev->bDeviceProtocol);
return true;
}