102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
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/****************************************************************************
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* config/b-l475e-iot01a/src/stm32_bringup.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Simon Piriou <spiriou31@gmail.com>
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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 <sys/mount.h>
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#include <syslog.h>
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#include <nuttx/input/buttons.h>
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#include <nuttx/leds/userled.h>
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#include <nuttx/board.h>
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#include <arch/board/board.h>
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#include "b-l475e-iot01a.h"
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: stm32l4_bringup
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*
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* Description:
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* Called either by board_intialize() if CONFIG_BOARD_INITIALIZE or by
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* board_app_initialize if CONFIG_LIB_BOARDCTL is selected. This function
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* initializes and configures all on-board features appropriate for the
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* selected configuration.
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*
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****************************************************************************/
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int stm32l4_bringup(void)
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{
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int ret = OK;
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = mount(NULL, "/proc", "procfs", 0, NULL);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret);
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}
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#endif
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#if defined(CONFIG_USERLED) && !defined(CONFIG_ARCH_LEDS)
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#ifdef CONFIG_USERLED_LOWER
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/* Register the LED driver */
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ret = userled_lower_initialize("/dev/userleds");
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if (ret != OK)
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{
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syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret);
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return ret;
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}
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#else
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/* Enable USER LED support for some other purpose */
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board_userled_initialize();
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#endif /* CONFIG_USERLED_LOWER */
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#endif /* CONFIG_USERLED && !CONFIG_ARCH_LEDS */
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return ret;
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}
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