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ADISense1000 Version 2.1 code base
Fork of AdiSense1000_V21 by
Diff: inc/adi_sense_gpio.h
- Revision:
- 7:4dbae381f693
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/inc/adi_sense_gpio.h Fri Oct 20 15:58:01 2017 +0000 @@ -0,0 +1,181 @@ +/*! + ****************************************************************************** + * @file: adi_sense_gpio.h + * @brief: ADI Sense OS-dependent wrapper layer for GPIO interface + *----------------------------------------------------------------------------- + */ + +/* +Copyright (c) 2017 Emutex Ltd. / Analog Devices, Inc. + +All rights reserved. + +Redistribution and use in source and binary forms, with or without modification, +are permitted provided that the following conditions are met: + - Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + - 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. + - Modified versions of the software must be conspicuously marked as such. + - This software is licensed solely and exclusively for use with processors + manufactured by or for Analog Devices, Inc. + - This software may not be combined or merged with other code in any manner + that would cause the software to become subject to terms and conditions + which differ from those listed here. + - Neither the name of Analog Devices, Inc. nor the names of its + contributors may be used to endorse or promote products derived + from this software without specific prior written permission. + - The use of this software may or may not infringe the patent rights of one + or more patent holders. This license does not release you from the + requirement that you obtain separate licenses from these patent holders + to use this software. + +THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. AND CONTRIBUTORS "AS IS" AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, +TITLE, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN +NO EVENT SHALL ANALOG DEVICES, INC. OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, +INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, PUNITIVE OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, DAMAGES ARISING OUT OF CLAIMS OF INTELLECTUAL +PROPERTY RIGHTS INFRINGEMENT; 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 __ADI_SENSE_GPIO_H__ +#define __ADI_SENSE_GPIO_H__ + +#include "inc/adi_sense_types.h" +#include "inc/adi_sense_platform.h" + +/*! @ingroup ADI_Sense_Host */ + +/*! @addtogroup ADI_Sense_Gpio ADI Sense Host GPIO interface functions + * @{ + */ + +/*! GPIO pin identifiers */ +typedef enum +{ + ADI_SENSE_GPIO_PIN_RESET = 0, /*!< RESET GPIO output signal */ + ADI_SENSE_GPIO_PIN_ERROR, /*!< ERROR GPIO input signal */ + ADI_SENSE_GPIO_PIN_ALERT, /*!< ALERT GPIO input signal */ + ADI_SENSE_GPIO_PIN_DATAREADY, /*!< DATAREADY GPIO input signal */ +} ADI_SENSE_GPIO_PIN; + +/*! + * GPIO callback function signature + * + * @param[in] ePinId The GPIO pin which triggered the interrupt notification + * @param[in] pArg Optional opaque parameter to be passed to the callback + */ +typedef void (*ADI_SENSE_GPIO_CALLBACK)( + ADI_SENSE_GPIO_PIN ePinId, + void * pArg); + +/*! A handle used in all API functions to identify the GPIO interface context */ +typedef void* ADI_SENSE_GPIO_HANDLE; + +#ifdef __cplusplus +extern "C" +{ +#endif + +/*! + * @brief Open the SPI interface and allocate resources + * + * @param[in] pConfig Pointer to platform-specific GPIO interface details + * @param[out] phDevice Pointer to return a GPIO interface context handle + * + * @return Status + * - #ADI_SENSE_SUCCESS Call completed successfully + * - #ADI_SENSE_NO_MEM Failed to allocate memory for interface context + */ +ADI_SENSE_RESULT adi_sense_GpioOpen( + ADI_SENSE_PLATFORM_GPIO_CONFIG * pConfig, + ADI_SENSE_GPIO_HANDLE * phDevice); + +/*! + * @brief Close GPIO interface and free resources + * + * @param[in] hDevice GPIO interface context handle (@ref adi_sense_GpioOpen) + */ +void adi_sense_GpioClose( + ADI_SENSE_GPIO_HANDLE hDevice); + +/*! + * @brief Get the state of the specified GPIO pin + * + * @param[in] hDevice GPIO interface context handle (@ref adi_sense_GpioOpen) + * @param[in] ePinId GPIO pin to be read + * @param[out] pbState Pointer to return the state of the GPIO pin + * + * @return Status + * - #ADI_SENSE_SUCCESS Call completed successfully + * - #ADI_SENSE_INVALID_DEVICE_NUM Invalid GPIO pin specified + */ +ADI_SENSE_RESULT adi_sense_GpioGet( + ADI_SENSE_GPIO_HANDLE hDevice, + ADI_SENSE_GPIO_PIN ePinID, + bool_t * bState); + +/*! + * @brief Set the state of the specified GPIO pin + * + * @param[in] hDevice GPIO interface context handle (@ref adi_sense_GpioOpen) + * @param[in] ePinId GPIO pin to be set + * @param[in] bState The state to set for GPIO pin + * + * @return Status + * - #ADI_SENSE_SUCCESS Call completed successfully + * - #ADI_SENSE_INVALID_DEVICE_NUM Invalid GPIO pin specified + */ +ADI_SENSE_RESULT adi_sense_GpioSet( + ADI_SENSE_GPIO_HANDLE hDevice, + ADI_SENSE_GPIO_PIN ePinID, + bool_t bState); + +/*! + * @brief Enable interrupt notifications on the specified GPIO pin + * + * @param[in] hDevice GPIO interface context handle (@ref adi_sense_GpioOpen) + * @param[in] ePinId GPIO pin on which to enable interrupt notifications + * @param[in] callback Callback function to invoke when the GPIO is asserted + * @param[in] arg Optional opaque parameter to be passed to the callback + * + * @return Status + * - #ADI_SENSE_SUCCESS Call completed successfully + * - #ADI_SENSE_INVALID_DEVICE_NUM Invalid GPIO pin specified + */ +ADI_SENSE_RESULT adi_sense_GpioIrqEnable( + ADI_SENSE_GPIO_HANDLE hDevice, + ADI_SENSE_GPIO_PIN ePinID, + ADI_SENSE_GPIO_CALLBACK callback, + void * arg); + +/*! + * @brief Disable interrupt notifications on the specified GPIO pin + * + * @param[in] hDevice GPIO interface context handle (@ref adi_sense_GpioOpen) + * @param[in] ePinId GPIO pin on which to disable interrupt notifications + * + * @return Status + * - #ADI_SENSE_SUCCESS Call completed successfully + * - #ADI_SENSE_INVALID_DEVICE_NUM Invalid GPIO pin specified + */ +ADI_SENSE_RESULT adi_sense_GpioIrqDisable( + ADI_SENSE_GPIO_HANDLE hDevice, + ADI_SENSE_GPIO_PIN ePinID); + +#ifdef __cplusplus +} +#endif + +/*! + * @} + */ + +#endif /* __ADI_SENSE_GPIO_H__ */ +