From ba1189436af1c941497484d199f383ffc64dc38f Mon Sep 17 00:00:00 2001 From: patacongo Date: Tue, 8 Jan 2013 20:56:40 +0000 Subject: Rename arch/arm/src/lm3s to arch/arm/src/lm to allow a namespace that will include the lm4f git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5495 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/arch/arm/src/lm/lm_ssi.h | 114 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 nuttx/arch/arm/src/lm/lm_ssi.h (limited to 'nuttx/arch/arm/src/lm/lm_ssi.h') diff --git a/nuttx/arch/arm/src/lm/lm_ssi.h b/nuttx/arch/arm/src/lm/lm_ssi.h new file mode 100644 index 000000000..4e7119898 --- /dev/null +++ b/nuttx/arch/arm/src/lm/lm_ssi.h @@ -0,0 +1,114 @@ +/************************************************************************************ + * arch/arm/src/lm/lm_ssi.h + * + * Copyright (C) 2009-2010, 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * 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. + * + ************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_LM_LM_SSI_H +#define __ARCH_ARM_SRC_LM_LM_SSI_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +#include +#include + +/************************************************************************************ + * Pre-processor Definitions + ************************************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Inline Functions + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#if defined(__cplusplus) +extern "C" +{ +#endif + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * The external functions, lm3s_spiselect, lm3s_spistatus, and + * lm3s_spicmddata must be provided by board-specific logic. These are + * implementations of the select, status, and cmddata methods of the SPI + * interface defined by struct spi_ops_s (see include/nuttx/spi.h). + * All other methods (including up_spiinitialize()) are provided by common + * logic. To use this common SPI logic on your board: + * + * 1. Provide logic in lm3s_boardinitialize() to configure SPI chip select + * pins. + * 2. Provide lm3s_spiselect() and lm3s_spistatus() functions in your + * board-specific logic. These functions will perform chip selection and + * status operations using GPIOs in the way your board is configured. + * 3. If CONFIG_SPI_CMDDATA is defined in your NuttX configuration, provide + * the lm3s_spicmddata() function in your board-specific logic. This + * functions will perform cmd/data selection operations using GPIOs in + * the way your board is configured. + * 4. Add a call to up_spiinitialize() in your low level application + * initialization logic + * 5. The handle returned by up_spiinitialize() may then be used to bind the + * SPI driver to higher level logic (e.g., calling + * mmcsd_spislotinitialize(), for example, will bind the SPI driver to + * the SPI MMC/SD driver). + * + ****************************************************************************/ + +struct spi_dev_s; +enum spi_dev_e; +void lm3s_spiselect(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool selected); +uint8_t lm3s_spistatus(FAR struct spi_dev_s *dev, enum spi_dev_e devid); +#ifdef CONFIG_SPI_CMDDATA +int lm3s_spicmddata(FAR struct spi_dev_s *dev, enum spi_dev_e devid, bool cmd); +#endif + +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_LM_LM_SSI_H */ -- cgit v1.2.3