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include/nuttx/analog: Add an ioctl.h header file to coordinate analogic driver IOCTL commands.
This commit is contained in:
Gregory Nutt
@@ -1,5 +1,5 @@
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/****************************************************************************
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* include/nuttx/sensors/ads1242.h
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* include/nuttx/analog/ads1242.h
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*
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* Copyright (C) 2016, DS-Automotion GmbH. All rights reserved.
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* Author: Alexander Entinger <a.entinger@ds-automotion.com>
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@@ -41,7 +41,7 @@
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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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#include <nuttx/analog/ioctl.h>
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#include <nuttx/spi/spi.h>
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#if defined(CONFIG_SPI) && defined(CONFIG_ADC_ADS1242)
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@@ -59,12 +59,12 @@
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* Cmd: ANIOC_ADS2142_DO_SYSTEM_OFFSET_CALIB Arg: None
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*/
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#define ANIOC_ADS2142_READ _ANIOC(ANIOC_USER + 0)
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#define ANIOC_ADS2142_SET_GAIN _ANIOC(ANIOC_USER + 1)
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#define ANIOC_ADS2142_SET_POSITIVE_INPUT _ANIOC(ANIOC_USER + 2)
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#define ANIOC_ADS2142_SET_NEGATIVE_INPUT _ANIOC(ANIOC_USER + 3)
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#define ANIOC_ADS2142_IS_DATA_READY _ANIOC(ANIOC_USER + 4)
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#define ANIOC_ADS2142_DO_SYSTEM_OFFSET_CALIB _ANIOC(ANIOC_USER + 5)
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#define ANIOC_ADS2142_READ _ANIOC(AN_ADS2142_FIRST + 0)
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#define ANIOC_ADS2142_SET_GAIN _ANIOC(AN_ADS2142_FIRST + 1)
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#define ANIOC_ADS2142_SET_POSITIVE_INPUT _ANIOC(AN_ADS2142_FIRST + 2)
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#define ANIOC_ADS2142_SET_NEGATIVE_INPUT _ANIOC(AN_ADS2142_FIRST + 3)
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#define ANIOC_ADS2142_IS_DATA_READY _ANIOC(AN_ADS2142_FIRST + 4)
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#define ANIOC_ADS2142_DO_SYSTEM_OFFSET_CALIB _ANIOC(AN_ADS2142_FIRST + 5)
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/* ADS1242 REGISTER *********************************************************/
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@@ -0,0 +1,94 @@
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/****************************************************************************
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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 AN_FIRST 0x0001 /* First required command */
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#define AN_NCMDS 1 /* Two required commands */
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/* User defined ioctl commands are also supported. These will be forwarded
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* by the upper-half QE driver to the lower-half QE driver via the ioctl()
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* method fo the QE 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/sensors/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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/****************************************************************************
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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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@@ -242,21 +242,16 @@
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#define _TSIOCVALID(c) (_IOC_TYPE(c)==_TSIOCBASE)
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#define _TSIOC(nr) _IOC(_TSIOCBASE,nr)
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/* NuttX sensor ioctl definitions (see nuttx/sensor/xxx.h) ******************/
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/* NuttX sensor ioctl definitions (see nuttx/sensor/ioctl.h) ****************/
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#define _SNIOCVALID(c) (_IOC_TYPE(c)==_SNIOCBASE)
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#define _SNIOC(nr) _IOC(_SNIOCBASE,nr)
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/* Nuttx Analog (DAC/ADC_ ioctl commands ************************************/
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/* Nuttx Analog (DAC/ADC) ioctl commands (see nuttx/analog/ioctl.h **********/
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#define _ANIOCVALID(c) (_IOC_TYPE(c)==_ANIOCBASE)
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#define _ANIOC(nr) _IOC(_ANIOCBASE,nr)
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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_USER 0x0002 /* Device specific IOCTL commands
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* may follow */
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/* NuttX PWM ioctl definitions (see nuttx/drivers/pwm.h) ********************/
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#define _PWMIOCVALID(c) (_IOC_TYPE(c)==_PWMIOCBASE)
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@@ -54,9 +54,9 @@
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/* IOCTL Commands ***********************************************************/
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/* The Quadrature Encode module uses a standard character driver framework.
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* However, since the driver is a devices control interface and not a data
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* transfer interface, the majority of the functionality is implemented in
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* driver ioctl calls. The PWM ioctl commands are listed below:
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* However, since the driver is a device 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. The PWM ioctl commands are listed below:
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*
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* QEIOC_POSITION - Get the current position from the encoder.
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* Argument: int32_t pointer to the location to return the position.
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