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143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
/****************************************************************************
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* configs/sim/src/sam_bringup.c
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*
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* Copyright (C) 2015 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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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 <nuttx/compiler.h>
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <nuttx/clock.h>
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#include <nuttx/timers/oneshot.h>
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#include "up_internal.h"
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#include "sim.h"
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#ifdef CONFIG_GRAPHICS_TRAVELER_ROMFSDEMO
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int trv_mount_world(int minor, FAR const char *mountpoint);
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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: sam_bringup
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*
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* Description:
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* Bring up simulated board features
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*
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****************************************************************************/
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int sim_bringup(void)
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{
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#ifdef CONFIG_ONESHOT
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FAR struct oneshot_lowerhalf_s *oneshot;
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#endif
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#if defined(CONFIG_FS_PROCFS) || defined(CONFIG_ONESHOT)
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int ret;
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#endif
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#ifdef CONFIG_LIB_ZONEINFO_ROMFS
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/* Mount the TZ database */
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(void)sim_zoneinfo(3);
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#endif
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#ifdef CONFIG_EXAMPLES_GPIO
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/* Initialize simulated GPIO drivers */
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(void)sim_gpio_initialize();
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#endif
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#ifdef CONFIG_ONESHOT
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/* Get an instance of the simulated oneshot timer */
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oneshot = oneshot_initialize(0, 0);
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if (oneshot == NULL)
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{
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_err("ERROR: oneshot_initialize faile\n");
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}
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else
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{
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#ifdef CONFIG_CPULOAD_ONESHOT
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/* Configure the oneshot timer to support CPU load measurement */
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sched_oneshot_extclk(oneshot);
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#else
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/* Initialize the simulated oneshot driver */
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ret = oneshot_register("/dev/oneshot", oneshot);
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if (ret < 0)
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{
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_err("ERROR: Failed to register oneshot at /dev/oneshot: %d\n",
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ret);
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}
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#endif
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}
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#endif
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#ifdef CONFIG_AJOYSTICK
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/* Initialize the simulated analog joystick input device */
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sim_ajoy_initialize();
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#endif
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#ifdef CONFIG_GRAPHICS_TRAVELER_ROMFSDEMO
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/* Special initialization for the Traveler game simulation */
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(void)trv_mount_world(0, CONFIG_GRAPHICS_TRAVELER_DEFPATH);
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#endif
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#ifdef CONFIG_FS_PROCFS
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/* Mount the procfs file system */
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ret = mount(NULL, SIM_PROCFS_MOUNTPOINT, "procfs", 0, NULL);
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if (ret < 0)
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{
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_err("ERROR: Failed to mount procfs at %s: %d\n",
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SIM_PROCFS_MOUNTPOINT, ret);
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}
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#endif
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return OK;
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}
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