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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-21 18:19:49 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-11-21 18:19:49 +0000 |
commit | bae532d2adc61dc1db83f878366c54cc880b16f6 (patch) | |
tree | 6ced77dc71414b79d4b72c350137c4356160d736 /nuttx/configs/cloudctrl/src/up_w25.c | |
parent | c17d30566b3b01abb2451595cdd7845fb47eb64e (diff) | |
download | px4-nuttx-bae532d2adc61dc1db83f878366c54cc880b16f6.tar.gz px4-nuttx-bae532d2adc61dc1db83f878366c54cc880b16f6.tar.bz2 px4-nuttx-bae532d2adc61dc1db83f878366c54cc880b16f6.zip |
configs/cloudctrl and tools/prebuild.py from Darcy Gong
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5378 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/cloudctrl/src/up_w25.c')
-rw-r--r-- | nuttx/configs/cloudctrl/src/up_w25.c | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/nuttx/configs/cloudctrl/src/up_w25.c b/nuttx/configs/cloudctrl/src/up_w25.c new file mode 100644 index 000000000..83ed67cc0 --- /dev/null +++ b/nuttx/configs/cloudctrl/src/up_w25.c @@ -0,0 +1,154 @@ +/**************************************************************************** + * config/cloudctrl/src/up_w25.c + * arch/arm/src/board/up_w25.c + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * Darcy Gong <darcy.gong@gmail.com> + * + * 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 <sys/mount.h> + +#include <stdbool.h> +#include <stdio.h> +#include <errno.h> +#include <debug.h> + +#ifdef CONFIG_STM32_SPI1 +# include <nuttx/spi.h> +# include <nuttx/mtd.h> +# include <nuttx/fs/nxffs.h> +#endif + +#include "cloudctrl-internal.h" + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ + +/* Configuration ************************************************************/ +/* Can't support the W25 device if it SPI1 or W25 support is not enabled */ + +#define HAVE_W25 1 +#if !defined(CONFIG_STM32_SPI1) || !defined(CONFIG_MTD_W25) +# undef HAVE_W25 +#endif + +/* Can't support W25 features if mountpoints are disabled */ + +#if defined(CONFIG_DISABLE_MOUNTPOINT) +# undef HAVE_W25 +#endif + +/* Can't support both FAT and NXFFS */ + +#if defined(CONFIG_FS_FAT) && defined(CONFIG_FS_NXFFS) +# warning "Can't support both FAT and NXFFS -- using FAT" +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_w25initialize + * + * Description: + * Initialize and register the W25 FLASH file system. + * + ****************************************************************************/ + +int stm32_w25initialize(int minor) +{ +#ifdef HAVE_W25 + FAR struct spi_dev_s *spi; + FAR struct mtd_dev_s *mtd; +#ifdef CONFIG_FS_NXFFS + char devname[12]; +#endif + int ret; + + /* Get the SPI port */ + + spi = up_spiinitialize(1); + if (!spi) + { + fdbg("ERROR: Failed to initialize SPI port 2\n"); + return -ENODEV; + } + + /* Now bind the SPI interface to the W25 SPI FLASH driver */ + + mtd = w25_initialize(spi); + if (!mtd) + { + fdbg("ERROR: Failed to bind SPI port 2 to the SST 25 FLASH driver\n"); + return -ENODEV; + } + +#ifndef CONFIG_FS_NXFFS + /* And finally, use the FTL layer to wrap the MTD driver as a block driver */ + + ret = ftl_initialize(minor, mtd); + if (ret < 0) + { + fdbg("ERROR: Initialize the FTL layer\n"); + return ret; + } +#else + /* Initialize to provide NXFFS on the MTD interface */ + + ret = nxffs_initialize(mtd); + if (ret < 0) + { + fdbg("ERROR: NXFFS initialization failed: %d\n", -ret); + return ret; + } + + /* Mount the file system at /mnt/w25 */ + + snprintf(devname, 12, "/mnt/w25%c", 'a' + minor); + ret = mount(NULL, devname, "nxffs", 0, NULL); + if (ret < 0) + { + fdbg("ERROR: Failed to mount the NXFFS volume: %d\n", errno); + return ret; + } +#endif +#endif + return OK; +} |