libiio: /home/travis/build/analogdevicesinc/libiio/iiod-client.h Source File

00001 /*
00002  * libiio - Library for interfacing industrial I/O (IIO) devices
00003  *
00004  * Copyright (C) 2015 Analog Devices, Inc.
00005  * Author: Paul Cercueil <paul.cercueil@analog.com>
00006  *
00007  * This library is free software; you can redistribute it and/or
00008  * modify it under the terms of the GNU Lesser General Public
00009  * License as published by the Free Software Foundation; either
00010  * version 2.1 of the License, or (at your option) any later version.
00011  *
00012  * This library is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00015  * Lesser General Public License for more details.
00016  *
00017  */
00018 
00019 #ifndef _IIOD_CLIENT_H
00020 #define _IIOD_CLIENT_H
00021 
00022 #include "iio.h"
00023 
00024 struct iio_mutex;
00025 struct iiod_client;
00026 struct iio_context_pdata;
00027 
00028 struct iiod_client_ops {
00029     ssize_t (*write)(struct iio_context_pdata *pdata,
00030             void *desc, const char *src, size_t len);
00031     ssize_t (*read)(struct iio_context_pdata *pdata,
00032             void *desc, char *dst, size_t len);
00033     ssize_t (*read_line)(struct iio_context_pdata *pdata,
00034             void *desc, char *dst, size_t len);
00035 };
00036 
00037 struct iiod_client * iiod_client_new(struct iio_context_pdata *pdata,
00038         struct iio_mutex *lock, const struct iiod_client_ops *ops);
00039 void iiod_client_destroy(struct iiod_client *client);
00040 
00041 int iiod_client_get_version(struct iiod_client *client, void *desc,
00042         unsigned int *major, unsigned int *minor, char *git_tag);
00043 int iiod_client_get_trigger(struct iiod_client *client, void *desc,
00044         const struct iio_device *dev,
00045         const struct iio_device **trigger);
00046 int iiod_client_set_trigger(struct iiod_client *client, void *desc,
00047         const struct iio_device *dev, const struct iio_device *trigger);
00048 int iiod_client_set_kernel_buffers_count(struct iiod_client *client,
00049         void *desc, const struct iio_device *dev, unsigned int nb_blocks);
00050 int iiod_client_set_timeout(struct iiod_client *client,
00051         void *desc, unsigned int timeout);
00052 ssize_t iiod_client_read_attr(struct iiod_client *client, void *desc,
00053         const struct iio_device *dev, const struct iio_channel *chn,
00054         const char *attr, char *dest, size_t len, bool is_debug);
00055 ssize_t iiod_client_write_attr(struct iiod_client *client, void *desc,
00056         const struct iio_device *dev, const struct iio_channel *chn,
00057         const char *attr, const char *src, size_t len, bool is_debug);
00058 int iiod_client_open_unlocked(struct iiod_client *client, void *desc,
00059         const struct iio_device *dev, size_t samples_count,
00060         bool cyclic);
00061 int iiod_client_close_unlocked(struct iiod_client *client, void *desc,
00062         const struct iio_device *dev);
00063 ssize_t iiod_client_read_unlocked(struct iiod_client *client, void *desc,
00064         const struct iio_device *dev, void *dst, size_t len,
00065         uint32_t *mask, size_t words);
00066 ssize_t iiod_client_write_unlocked(struct iiod_client *client, void *desc,
00067         const struct iio_device *dev, const void *src, size_t len);
00068 struct iio_context * iiod_client_create_context(
00069         struct iiod_client *client, void *desc);
00070 
00071 #endif /* _IIOD_CLIENT_H */