nuttx/configs/pic32mx-starterkit/src/pic32mx_usbterm.c

105 lines
4.0 KiB
C

/************************************************************************************
* configs/pic32mx-starterkit/src/pic32mx_usbterm.c
*
* Copyright (C) 2012-2013, 2015 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* 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. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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
* COPYRIGHT OWNER OR CONTRIBUTORS 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.
*
************************************************************************************/
/************************************************************************************
* Included Files
************************************************************************************/
#include <nuttx/config.h>
#include <stdbool.h>
#include <debug.h>
#include <nuttx/usb/usbdev.h>
#include "pic32mx-internal.h"
#include "pic32mx-starterkit.h"
#if defined(CONFIG_PIC32MX_USBDEV) && defined(CONFIG_EXAMPLES_USBTERM_DEVINIT)
/************************************************************************************
* Pre-processor Definitions
************************************************************************************/
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/****************************************************************************
* Name:
*
* Description:
* If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
* call this user provided function as part of its initialization.
*
****************************************************************************/
int usbterm_devinit(void)
{
/* The PIO32 Starter Kit has no way to know when the USB is connected. So
* we will fake it and tell the USB driver that the USB is connected now.
*
* If examples/usbterm is built as an NSH built-in application, then
* pic32mx_usbattach() will be called in board_app_initialize().
*/
#ifndef CONFIG_NSH_BUILTIN_APPS
pic32mx_usbattach();
#endif
return OK;
}
/****************************************************************************
* Name:
*
* Description:
* If CONFIG_EXAMPLES_USBTERM_DEVINIT is defined, then the example will
* call this user provided function as part of its termination sequence.
*
****************************************************************************/
void usbterm_devuninit(void)
{
/* Tell the USB driver that the USB is no longer connected */
pic32mx_usbdetach();
}
#endif /* CONFIG_PIC32MX_USBDEV && CONFIG_EXAMPLES_USBTERM_DEVINIT */