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author | Gregory Nutt <gnutt@nuttx.org> | 2014-11-07 15:03:03 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2014-11-07 15:03:03 -0600 |
commit | b20c2c13f229704f5b4b9a43d8323f24e18977f2 (patch) | |
tree | 7e2daa8004160827a8b9d19c92ddaacc3f8d7b63 /apps/examples/bastest/bastest_main.c | |
parent | 1c5e93117d6951dc65d4914ee8e9507af143d2b4 (diff) | |
download | px4-nuttx-b20c2c13f229704f5b4b9a43d8323f24e18977f2.tar.gz px4-nuttx-b20c2c13f229704f5b4b9a43d8323f24e18977f2.tar.bz2 px4-nuttx-b20c2c13f229704f5b4b9a43d8323f24e18977f2.zip |
BAS: Rename examples/bas to examples/bastest. Hook into build and configuration system. Finish ROMFS logic
Diffstat (limited to 'apps/examples/bastest/bastest_main.c')
-rw-r--r-- | apps/examples/bastest/bastest_main.c | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/apps/examples/bastest/bastest_main.c b/apps/examples/bastest/bastest_main.c new file mode 100644 index 000000000..3cf70c681 --- /dev/null +++ b/apps/examples/bastest/bastest_main.c @@ -0,0 +1,121 @@ +/**************************************************************************** + * examples/bastest/bastest_main.c + * + * Copyright (C) 2014 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * 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 <nuttx/config.h> +#include <stdio.h> + +#include "romfs.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ +/* Check configuration. This is not all of the configuration settings that + * are required -- only the more obvious. + */ + +#if CONFIG_NFILE_DESCRIPTORS < 1 +# error "You must provide file descriptors via CONFIG_NFILE_DESCRIPTORS in your configuration file" +#endif + +#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 + ****************************************************************************/ + +#ifdef CONFIG_BUILD_KERNEL +int main(int argc, FAR char *argv[]) +#else +int bastest_main(int argc, char *argv[]) +#endif +{ + /* Create a ROM disk for the ROMFS filesystem */ + + printf("Registering romdisk at /dev/ram%d\n", CONFIG_EXAMPLES_BASTEST_DEVMINOR); + ret = romdisk_register(CONFIG_EXAMPLES_BASTEST_DEVMINOR, (FAR uint8_t *)romfs_img, + NSECTORS(romfs_img_len), SECTORSIZE); + if (ret < 0) + { + err("ERROR: romdisk_register failed: %d\n", ret); + return 1; + } + + /* Mount the file system */ + + message("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) + { + err("ERROR: mount(%s,%s,romfs) failed: %s\n", + CONFIG_EXAMPLES_BASTEST_DEVPATH, MOUNTPT, errno); + return 1; + } + + return 0; +} |