b871783889
This commit adds support to use NSH over USB without connecting an external USB/Serial adapter. Signed-off-by: Rodrigo Sim <rcsim10@gmail.com>
93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/****************************************************************************
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* boards/arm/stm32/stm32f401rc-rs485/src/stm32_usb.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 "stm32_otgfs.h"
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#include "stm32_gpio.h"
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#include "stm32f401rc-rs485.h"
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#ifdef CONFIG_STM32_OTGFS
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#ifdef CONFIG_USBDEV
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# define HAVE_USB 1
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#else
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# warning "CONFIG_STM32_OTGFS is enabled but CONFIG_USBDEV is not"
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# undef HAVE_USB
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#endif
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32_usb_configure
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*
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* Description:
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* Called from stm32_boardinitialize very early in inialization to setup
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* USB-related GPIO pins for the Olimex STM32 P407 board.
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*
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****************************************************************************/
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void stm32_usb_configure(void)
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{
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#ifdef CONFIG_STM32_OTGFS
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/* The OTG FS has an internal soft pull-up.
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* No GPIO configuration is required
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*/
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/* We don´t have the OTG FS VBUS sensing GPIO */
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#endif
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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
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* driver is used. This function is called whenever the USB enters or
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* leaves 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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#ifdef CONFIG_USBDEV
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void stm32_usbsuspend(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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#endif
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#endif /* CONFIG_STM32_OTGFS */
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