espressif_tinyusb/src/tusb.c

71 lines
2.1 KiB
C

/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
*
* 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.
*
* This file is part of the TinyUSB stack.
*/
#include "tusb_option.h"
#if TUSB_OPT_HOST_ENABLED || TUSB_OPT_DEVICE_ENABLED
#include "tusb.h"
static bool _initialized = false;
// TODO clean up
#if TUSB_OPT_DEVICE_ENABLED
#include "device/usbd_pvt.h"
#endif
bool tusb_init(void)
{
// skip if already initialized
if (_initialized) return true;
#if TUSB_OPT_HOST_ENABLED
TU_VERIFY( usbh_init() ); // init host stack
#endif
#if TUSB_OPT_DEVICE_ENABLED
TU_VERIFY ( usbd_init() ); // init device stack
#endif
_initialized = true;
return TUSB_ERROR_NONE;
}
bool tusb_inited(void)
{
return _initialized;
}
/*------------------------------------------------------------------*/
/* Debug
*------------------------------------------------------------------*/
#if CFG_TUSB_DEBUG
char const* const tusb_strerr[TUSB_ERROR_COUNT] = { ERROR_TABLE(ERROR_STRING) };
#endif
#endif // host or device enabled