nuttx-apps/examples/bastest/bastest_main.c
Alin Jerpelea 6bc7a448de examples: author: Gregory Nutt: update licenses to Apache
Gregory Nutt is has submitted the SGA

as a result we can migrate the licenses to Apache.

Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>
2021-06-15 05:16:58 -05:00

118 lines
3.9 KiB
C

/****************************************************************************
* apps/examples/bastest/bastest_main.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/mount.h>
#include <sys/boardctl.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <nuttx/drivers/ramdisk.h>
#include "romfs.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/* Check configuration. This is not all of the configuration settings that
* are required -- only the more obvious.
*/
#ifndef CONFIG_FS_ROMFS
# error "You must select CONFIG_FS_ROMFS in your configuration file"
#endif
#ifdef CONFIG_DISABLE_MOUNTPOINT
# error "You must not disable mountpoints via CONFIG_DISABLE_MOUNTPOINT in your configuration file"
#endif
/* Describe the ROMFS file system */
#define SECTORSIZE 512
#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE)
#define MOUNTPT "/mnt/romfs"
#ifndef CONFIG_EXAMPLES_BASTEST_DEVMINOR
# define CONFIG_EXAMPLES_BASTEST_DEVMINOR 0
#endif
#ifndef CONFIG_EXAMPLES_BASTEST_DEVPATH
# define CONFIG_EXAMPLES_BASTEST_DEVPATH "/dev/ram0"
#endif
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* bastest_main
****************************************************************************/
int main(int argc, FAR char *argv[])
{
int ret;
struct boardioc_romdisk_s desc;
/* Create a ROM disk for the ROMFS filesystem */
printf("Registering romdisk at /dev/ram%d\n",
CONFIG_EXAMPLES_BASTEST_DEVMINOR);
desc.minor = CONFIG_EXAMPLES_BASTEST_DEVMINOR; /* Minor device number of the ROM disk. */
desc.nsectors = NSECTORS(romfs_img_len); /* The number of sectors in the ROM disk */
desc.sectsize = SECTORSIZE; /* The size of one sector in bytes */
desc.image = (FAR uint8_t *)romfs_img; /* File system image */
ret = boardctl(BOARDIOC_ROMDISK, (uintptr_t)&desc);
if (ret < 0)
{
fprintf(stderr, "ERROR: romdisk_register failed: %s\n",
strerror(errno));
return 1;
}
/* Mount the file system */
printf("Mounting ROMFS filesystem at target=%s with source=%s\n",
MOUNTPT, CONFIG_EXAMPLES_BASTEST_DEVPATH);
ret = mount(CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, "romfs",
MS_RDONLY, NULL);
if (ret < 0)
{
fprintf(stderr, "ERROR: mount(%s,%s,romfs) failed: %s\n",
CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, strerror(errno));
return 1;
}
return 0;
}