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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-08 16:40:12 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-09-08 16:40:12 +0000 |
commit | 6225d35fa1d5087755574c10d7ccec48d878dc44 (patch) | |
tree | e425d0096af13d7e633bce8641a4dd3306327540 /nuttx/configs/shenzhou/src/up_mmcsd.c | |
parent | b4420923cb149a5a8164bb06794e12b88203d97c (diff) | |
download | px4-nuttx-6225d35fa1d5087755574c10d7ccec48d878dc44.tar.gz px4-nuttx-6225d35fa1d5087755574c10d7ccec48d878dc44.tar.bz2 px4-nuttx-6225d35fa1d5087755574c10d7ccec48d878dc44.zip |
Changes to get a clean compile with the Kconfig Shenzhou board. Still some link issues
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5115 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/shenzhou/src/up_mmcsd.c')
-rw-r--r-- | nuttx/configs/shenzhou/src/up_mmcsd.c | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/nuttx/configs/shenzhou/src/up_mmcsd.c b/nuttx/configs/shenzhou/src/up_mmcsd.c new file mode 100644 index 000000000..3de7f2620 --- /dev/null +++ b/nuttx/configs/shenzhou/src/up_mmcsd.c @@ -0,0 +1,123 @@ +/**************************************************************************** + * config/shenzhou/src/up_mmcsd.c + * arch/arm/src/board/up_mmcsd.c + * + * Copyright (C) 2012 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 <debug.h> +#include <errno.h> + +#include <nuttx/spi.h> +#include <nuttx/mmcsd.h> + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ +/* SPI1 connects to the SD CARD (and to the SPI FLASH) */ + +#define HAVE_MMCSD 1 /* Assume that we have SD support */ +#define STM32_MMCSDSPIPORTNO 1 /* Port is SPI1 */ +#define STM32_MMCSDSLOTNO 0 /* There is only one slot */ + +#ifndef CONFIG_STM32_SPI1 +# undef HAVE_MMCSD +#else +# ifdef CONFIG_SPI_OWNBUS +# warning "SPI1 is shared with SD and FLASH but CONFIG_SPI_OWNBUS is defined" +# endif +#endif + +/* Can't support MMC/SD features if mountpoints are disabled */ + +#ifndef CONFIG_DISABLE_MOUNTPOINT +# undef NSH_HAVEMMCSD +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32_sdinitialize + * + * Description: + * Initialize the SPI-based SD card. Requires CONFIG_DISABLE_MOUNTPOINT=n + * and CONFIG_STM32_SPI1=y + * + ****************************************************************************/ + +int stm32_sdinitialize(int minor) +{ +#ifdef HAVE_MMCSD + FAR struct spi_dev_s *spi; + int ret; + + /* Get the SPI port */ + + fvdbg("Initializing SPI port %d\n", STM32_MMCSDSPIPORTNO); + + spi = up_spiinitialize(STM32_MMCSDSPIPORTNO); + if (!spi) + { + fdbg("Failed to initialize SPI port %d\n", STM32_MMCSDSPIPORTNO); + return -ENODEV; + } + + fvdbg("Successfully initialized SPI port %d\n", STM32_MMCSDSPIPORTNO); + + /* Bind the SPI port to the slot */ + + fvdbg("Binding SPI port %d to MMC/SD slot %d\n", + STM32_MMCSDSPIPORTNO, STM32_MMCSDSLOTNO); + + ret = mmcsd_spislotinitialize(minor, STM32_MMCSDSLOTNO, spi); + if (ret < 0) + { + fdbg("Failed to bind SPI port %d to MMC/SD slot %d: %d\n", + STM32_MMCSDSPIPORTNO, STM32_MMCSDSLOTNO, ret); + return ret; + } + + fvdbg("Successfuly bound SPI port %d to MMC/SD slot %d\n", + STM32_MMCSDSPIPORTNO, STM32_MMCSDSLOTNO); +#endif + return OK; +} |