/* 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 "USBHost.h" USBHost myusb; void setup() { // Test board has a USB data mux (this won't be on final Teensy 3.6) pinMode(32, OUTPUT); // pin 32 = USB switch, high=connect device digitalWrite(32, LOW); pinMode(30, OUTPUT); // pin 30 = debug info - use oscilloscope digitalWrite(30, LOW); while (!Serial) ; // wait for Arduino Serial Monitor Serial.println("USB Host Testing"); myusb.begin(); delay(25); Serial.println("Plug in device..."); digitalWrite(32, HIGH); // connect device #if 0 delay(5000); Serial.println(); Serial.println("Ring Doorbell"); USBHS_USBCMD |= USBHS_USBCMD_IAA; if (rootdev) print(rootdev->control_pipe); #endif } void loop() { } void pulse(int usec) { // connect oscilloscope to see these pulses.... digitalWriteFast(30, HIGH); delayMicroseconds(usec); digitalWriteFast(30, LOW); }