/**************************************************************************** * config/photon/src/stm32_bringup.c * * Copyright (C) 2017 Gregory Nutt. All rights reserved. * Author: Simon Piriou * * 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 #include #include #include #include #include #include #include #include "photon.h" #include "stm32_wdg.h" /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: stm32_bringup * * Description: * Called either by board_intialize() if CONFIG_BOARD_LATE_INITIALIZE or by * board_app_initialize if CONFIG_LIB_BOARDCTL is selected. This function * initializes and configures all on-board features appropriate for the * selected configuration. * ****************************************************************************/ int stm32_bringup(void) { int ret = OK; #ifdef CONFIG_FS_PROCFS /* Mount the procfs file system */ ret = mount(NULL, "/proc", "procfs", 0, NULL); if (ret < 0) { syslog(LOG_ERR, "ERROR: Failed to mount procfs at /proc: %d\n", ret); } #endif #if defined(CONFIG_USERLED) && !defined(CONFIG_ARCH_LEDS) #ifdef CONFIG_USERLED_LOWER /* Register the LED driver */ ret = userled_lower_initialize("/dev/userleds"); if (ret != OK) { syslog(LOG_ERR, "ERROR: userled_lower_initialize() failed: %d\n", ret); return ret; } #else /* Enable USER LED support for some other purpose */ board_userled_initialize(); #endif /* CONFIG_USERLED_LOWER */ #endif /* CONFIG_USERLED && !CONFIG_ARCH_LEDS */ #ifdef CONFIG_BUTTONS #ifdef CONFIG_BUTTONS_LOWER /* Register the BUTTON driver */ ret = btn_lower_initialize("/dev/buttons"); if (ret != OK) { syslog(LOG_ERR, "ERROR: btn_lower_initialize() failed: %d\n", ret); return ret; } #else /* Enable BUTTON support for some other purpose */ board_button_initialize(); #endif /* CONFIG_BUTTONS_LOWER */ #endif /* CONFIG_BUTTONS */ #ifdef CONFIG_STM32_IWDG /* Initialize the watchdog timer */ stm32_iwdginitialize("/dev/watchdog0", STM32_LSI_FREQUENCY); #endif #ifdef CONFIG_PHOTON_WDG /* Start WDG kicker thread */ ret = photon_watchdog_initialize(); if (ret != OK) { syslog(LOG_ERR, "Failed to start watchdog thread: %d\n", ret); return ret; } #endif #ifdef CONFIG_RGBLED /* Configure and initialize the RGB LED. */ ret = stm32_rgbled_setup(); if (ret < 0) { syslog(LOG_ERR, "ERROR: stm32_rgbled_setup() failed: %d\n", ret); } #endif #ifdef CONFIG_PHOTON_WLAN /* Initialize wlan driver and hardware */ ret = photon_wlan_initialize(); if (ret != OK) { syslog(LOG_ERR, "Failed to initialize wlan: %d\n", ret); return ret; } #endif return ret; }