48238d6781
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3898 42af7a65-404d-4744-a932-0658087f49c3
85 lines
2.9 KiB
C
85 lines
2.9 KiB
C
/************************************************************************************
|
|
* 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 */
|