106 lines
3.6 KiB
C
106 lines
3.6 KiB
C
/****************************************************************************
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* boards/arm/stm32/fire-stm32v2/src/stm32_usbdev.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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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 "arm_arch.h"
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#include "stm32.h"
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#include "fire-stm32v2.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 M3 Wildfire 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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/* USB Soft Connect Pullup */
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#if 0 /* REVISIT */
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stm32_configgpio(GPIO_USB_PULLUP);
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#endif
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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
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* software connect and disconnect), then the board software must provide
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* stm32_pullup. See include/nuttx/usb/usbdev.h for additional description
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* of this method.
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* Alternatively, if no pull-up GPIO the following EXTERN can be redefined
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* to be 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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#if 0 /* REVISIT */
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stm32_gpiowrite(GPIO_USB_PULLUP, !enable);
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#endif
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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
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* is used. This function is called whenever the USB enters or leaves
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* suspend mode.
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* This is an opportunity for the board logic to shutdown clocks, power,
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* etc. 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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