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/************************************************************************************
* configs/stm3210e-eval/src/up_usbdev.c
* arch/arm/src/board/up_boot.c
*
* Copyright (C) 2009 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <sys/types.h>
#include <stdint.h>
#include <stdbool.h>
#include <debug.h>
#include <nuttx/usbdev.h>
#include <nuttx/usbdev_trace.h>
#include "up_arch.h"
#include "stm32_internal.h"
#include "stm3210e-internal.h"
/************************************************************************************
* Definitions
************************************************************************************/
/************************************************************************************
* Private Functions
************************************************************************************/
/************************************************************************************
* Public Functions
************************************************************************************/
/************************************************************************************
* Name: stm32_usbinitialize
*
* Description:
* Called to setup USB-related GPIO pins for the STM3210E-EVAL board.
*
************************************************************************************/
void stm32_usbinitialize(void)
{
/* USB Soft Connect Pullup: PB.14 */
stm32_configgpio(GPIO_USB_PULLUP);
}
/************************************************************************************
* Name: stm32_usbpullup
*
* Description:
* If USB is supported and the board supports a pullup via GPIO (for USB software
* connect and disconnect), then the board software must provide stm32_pullup.
* See include/nuttx/usbdev.h for additional description of this method.
* Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be
* NULL.
*
************************************************************************************/
int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable)
{
usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
return OK;
}
/************************************************************************************
* Name: stm32_usbsuspend
*
* Description:
* Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is
* used. This function is called whenever the USB enters or leaves suspend mode.
* This is an opportunity for the board logic to shutdown clocks, power, etc.
* while the USB is suspended.
*
************************************************************************************/
void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
{
ulldbg("resume: %d\n", resume);
}
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