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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-19 16:51:04 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2011-08-19 16:51:04 +0000 |
commit | aae0c1e888d173b7a850a3e0023b8c352f657f62 (patch) | |
tree | 4e52eff7f4adf0570b819f68b3a4351987266ec8 /nuttx/configs/vsn/include | |
parent | ba6253aecb0d018c0deb40b233d76cb2f9a67bb0 (diff) | |
download | px4-nuttx-aae0c1e888d173b7a850a3e0023b8c352f657f62.tar.gz px4-nuttx-aae0c1e888d173b7a850a3e0023b8c352f657f62.tar.bz2 px4-nuttx-aae0c1e888d173b7a850a3e0023b8c352f657f62.zip |
Add support for multiplexed SDIO pins from Uros
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3898 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/configs/vsn/include')
-rw-r--r-- | nuttx/configs/vsn/include/board.h | 3 | ||||
-rw-r--r-- | nuttx/configs/vsn/include/muxbus.h | 84 |
2 files changed, 87 insertions, 0 deletions
diff --git a/nuttx/configs/vsn/include/board.h b/nuttx/configs/vsn/include/board.h index a1a30c4b1..9f7ec0756 100644 --- a/nuttx/configs/vsn/include/board.h +++ b/nuttx/configs/vsn/include/board.h @@ -52,6 +52,9 @@ #include "stm32_sdio.h" #include "stm32_internal.h" +#include "muxbus.h" + + /************************************************************************************ * Definitions ************************************************************************************/ diff --git a/nuttx/configs/vsn/include/muxbus.h b/nuttx/configs/vsn/include/muxbus.h new file mode 100644 index 000000000..595ded46f --- /dev/null +++ b/nuttx/configs/vsn/include/muxbus.h @@ -0,0 +1,84 @@ +/************************************************************************************ + * configs/vsn/include/muxbus.h + * include/arch/board/muxbus.h + * + * Copyright (C) 2011 Uros Platise. All rights reserved + * + * Authors: Uros Platise <uros.platise@isotel.eu> + * + * 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_BOARD_MUXBUS_H +#define __ARCH_BOARD_MUXBUS_H + +#ifndef __ASSEMBLY__ +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/** + * Initialization of the semaphore and initial bus state. + */ +void vsn_muxbus_init(void); + +/** + * Simple Lock / Unlock Mechanism for the SDIO Interface + * + * NOTE: This function is provided for the stm32_sdio driver. + */ +extern void stm32_muxbus_sdio_lock(bool lock); + +/** + * Set PGA Gain of the Analog Devices AD8231 on bus shared with the + * SDIO interface + * + * \param gain sets the front-end gain as 2^{gain}, where gain = 0..7. + * Setting gain outside that range shutdowns the front-end. + * + * \return gain set or -1 if front end is put into shutdown. + */ +extern int vsn_muxbus_setpgagain(int gain); + + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_BOARD_MUXBUS_H */ |