tinyUSB/tinyusb/tusb.c

/*
 * tusb.c
 *
 *  Created on: Nov 27, 2012
 *      Author: hathach
 */

/*
 * Software License Agreement (BSD License)
 * Copyright (c) 2013, hathach (tinyusb.org)
 * 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 tinyUSB stack.
 */

#define _TINY_USB_SOURCE_FILE_

#include "tusb.h"

tusb_error_t tusb_init(void)
{
  ASSERT_STATUS( hal_init() ) ; // hardware init

#if MODE_HOST_SUPPORTED
  ASSERT_STATUS( usbh_init() ); // host stack init
#endif

#ifdef TUSB_CFG_DEVICE
  ASSERT_STATUS( dcd_init(0) ); // device stack init
#endif

  return TUSB_ERROR_NONE;
}

// called from hal layer
void tusb_isr(uint8_t controller_id)
{
#if MODE_HOST_SUPPORTED
  hcd_isr(controller_id);
#endif

#ifdef TUSB_CFG_DEVICE
  dcd_isr(controller_id);
#endif

}

#if TUSB_CFG_OS == TUSB_OS_NONE
// periodically/continuously called in the main loop
void tusb_task_runner(void)
{
  #if MODE_HOST_SUPPORTED
    usbh_enumeration_task(); // TODO prototype
  #endif
}
#endif