NawfalMotii79
139 lines
4.3 KiB
C
139 lines
4.3 KiB
C
/***************************************************************************//**
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* @file iio_app.h
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* @brief Header file of iio_app
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* @author Mihail Chindris (mihail.chindris@analog.com)
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********************************************************************************
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* Copyright 2013(c) Analog Devices, Inc.
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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 are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of Analog Devices, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*******************************************************************************/
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#ifndef IIO_APP
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#define IIO_APP
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#include "iio.h"
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#include "no_os_irq.h"
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#include "no_os_uart.h"
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#include "no_os_error.h"
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#include "no_os_delay.h"
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#if defined(NO_OS_LWIP_NETWORKING)
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#include "lwip_socket.h"
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#endif
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#define IIO_APP_DEVICE(_name, _dev, _dev_descriptor, _read_buff, _write_buff, _default_trigger_id) {\
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.name = _name,\
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.dev = _dev,\
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.dev_descriptor = _dev_descriptor,\
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.read_buff = _read_buff,\
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.write_buff = _write_buff,\
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.default_trigger_id = _default_trigger_id\
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}
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#define IIO_APP_TRIGGER(_name, _trig, _trig_descriptor) {\
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.name = _name,\
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.trig = _trig,\
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.descriptor = _trig_descriptor,\
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}
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struct iio_data_buffer {
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uint32_t size;
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void *buff;
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};
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struct iio_app_device {
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char *name;
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void *dev;
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struct iio_device *dev_descriptor;
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struct iio_data_buffer *read_buff;
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struct iio_data_buffer *write_buff;
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char *default_trigger_id;
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};
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/**
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* @struct iio_app_desc
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* @brief IIO application descriptor.
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*/
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struct iio_app_desc {
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/** UART descriptor to be used */
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struct no_os_uart_desc *uart_desc;
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/** IRQ descriptor to be used */
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void *irq_desc;
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/** IIO descriptor to be returned */
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struct iio_desc *iio_desc;
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/** Function to be called each step */
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int (*post_step_callback)(void *arg);
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/** Function parameteres */
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void *arg;
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#ifdef NO_OS_LWIP_NETWORKING
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struct lwip_network_desc *lwip_desc;
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#endif
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};
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/**
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* @struct iio_app_init_param
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* @brief IIO application descriptor initialization parameters.
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*/
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struct iio_app_init_param {
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/** Array of context attribute name/value pairs */
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struct iio_ctx_attr *ctx_attrs;
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/** Number of context attributes in the array above */
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uint32_t nb_ctx_attr;
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/** Array of IIO devices */
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struct iio_app_device *devices;
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/** Number of devices */
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uint32_t nb_devices;
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/** IIO triggers to be used */
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struct iio_trigger_init *trigs;
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/** Number of triggers to be used */
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int32_t nb_trigs;
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/** UART init params */
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struct no_os_uart_init_param uart_init_params;
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/** IRQ descriptor to be used */
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void *irq_desc;
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/** Function to be called each step */
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int (*post_step_callback)(void *arg);
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/** Function parameteres */
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void *arg;
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#ifdef NO_OS_LWIP_NETWORKING
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struct lwip_network_param lwip_param;
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#endif
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};
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/** Register devices for an IIO application */
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int iio_app_init(struct iio_app_desc **app,
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struct iio_app_init_param app_init_param);
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/** Start an IIO application */
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int iio_app_run(struct iio_app_desc *app);
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/** Remove resources allocated by the IIO application */
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int iio_app_remove(struct iio_app_desc *app);
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#endif
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