bf5fa5557d
MAX11612: 4 channels VCC=5V0 Int VRef=4.096V MAX11613: 4 channels VCC=3V3 Int VRef=2.048V MAX11614: 8 channels VCC=5V0 Int VRef=4.096V MAX11615: 8 channels VCC=3V3 Int VRef=2.048V MAX11616: 12 channels VCC=5V0 Int VRef=4.096V MAX11617: 12 channels VCC=3V3 Int VRef=2.048V Note: The chips' auto-scanning feature is not supported in this revision.
121 lines
4.6 KiB
C
121 lines
4.6 KiB
C
/****************************************************************************
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* include/nuttx/analog/ioctl.h
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_ANALOG_IOCTL_H
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#define __INCLUDE_NUTTX_ANALOG_IOCTL_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/fs/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* The analog driver sub-system uses the standard character driver framework.
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* However, since the driver is a devices control interface rather than a
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* data transfer interface, the majority of the functionality is implemented
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* in driver ioctl calls. Standard ioctl commands are listed below:
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*/
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/* DAC/ADC */
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#define ANIOC_TRIGGER _ANIOC(0x0001) /* Trigger one conversion
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* IN: None
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* OUT: None */
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#define ANIOC_WDOG_UPPER _ANIOC(0x0002) /* Set upper threshold for watchdog
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* IN: Threshold value
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* OUT: None */
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#define ANIOC_WDOG_LOWER _ANIOC(0x0003) /* Set lower threshold for watchdog
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* IN: Threshold value
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* OUT: None */
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#define AN_FIRST 0x0001 /* First common command */
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#define AN_NCMDS 3 /* Number of common commands */
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/* User defined ioctl commands are also supported. These will be forwarded
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* by the upper-half driver to the lower-half driver via the ioctl()
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* method of the lower-half interface. However, the lower-half driver
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* must reserve a block of commands as follows in order prevent IOCTL
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* command numbers from overlapping.
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*/
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/* See include/nuttx/analog/ads1242.h */
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#define AN_ADS2142_FIRST (AN_FIRST + AN_NCMDS)
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#define AN_ADS2142_NCMDS 6
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/* See include/nuttx/analog/lm92001.h */
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#define AN_LMP92001_FIRST (AN_ADS2142_FIRST + AN_ADS2142_NCMDS)
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#define AN_LMP92001_NCMDS 7
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/* See include/nuttx/analog/ads7828.h */
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#define AN_ADS7828_FIRST (AN_LMP92001_FIRST + AN_LMP92001_NCMDS)
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#define AN_ADS7828_NCMDS 6
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/* See arch/arm/src/stm32l4/stm32l4_adc.h */
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#define AN_STM32L4_FIRST (AN_ADS7828_FIRST + AN_ADS7828_NCMDS)
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#define AN_STM32L4_NCMDS 2
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/* See include/nuttx/analog/max1161x.h */
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#define AN_MAX1161X_FIRST (AN_STM32L4_FIRST + AN_STM32L4_NCMDS)
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#define AN_MAX1161X_NCMDS 8
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C"
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{
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#else
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#define EXTERN extern
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#endif
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* __INCLUDE_NUTTX_ANALOG_IOCTL_H */
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