117 lines
4.6 KiB
C
117 lines
4.6 KiB
C
/************************************************************************************
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* configs/stm32_tiny/src/stm32_usbdev.c
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*
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* Copyright (C) 2009-2011, 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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* Laurent Latil <laurent@latil.nom.fr>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <debug.h>
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#include <nuttx/usb/usbdev.h>
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#include <nuttx/usb/usbdev_trace.h>
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#include "up_arch.h"
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#include "stm32.h"
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#include "stm32_tiny.h"
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/************************************************************************************
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* Pre-processor Definitions
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************************************************************************************/
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/************************************************************************************
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* Name: stm32_usbinitialize
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*
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* Description:
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* Called to setup USB-related GPIO pins for the Hy-Mini STM32v board.
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*
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************************************************************************************/
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void stm32_usbinitialize(void)
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{
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uinfo("called\n");
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/* USB Soft Connect Pullup */
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stm32_configgpio(GPIO_USB_PULLUP);
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}
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/************************************************************************************
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* Name: stm32_usbpullup
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*
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* Description:
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* If USB is supported and the board supports a pullup via GPIO (for USB software
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* connect and disconnect), then the board software must provide stm32_pullup.
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* See include/nuttx/usb/usbdev.h for additional description of this method.
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* Alternatively, if no pull-up GPIO the following EXTERN can be redefined to be
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* NULL.
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*
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************************************************************************************/
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int stm32_usbpullup(FAR struct usbdev_s *dev, bool enable)
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{
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usbtrace(TRACE_DEVPULLUP, (uint16_t)enable);
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stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
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return OK;
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}
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/************************************************************************************
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* Name: stm32_usbsuspend
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*
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* Description:
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* Board logic must provide the stm32_usbsuspend logic if the USBDEV driver is
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* used. This function is called whenever the USB enters or leaves suspend mode.
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* This is an opportunity for the board logic to shutdown clocks, power, etc.
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* while the USB is suspended.
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*
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************************************************************************************/
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void stm32_usbsuspend(FAR struct usbdev_s *dev, bool resume)
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{
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uinfo("resume: %d\n", resume);
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}
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