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hp-59306a: Initial driver skeleton.
[libsigrok.git] / src / hardware / hp-59306a / api.c
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1/*
2 * This file is part of the libsigrok project.
3 *
4 * Copyright (C) 2021 Frank Stettner <frank-stettner@gmx.net>
5 *
6 * This program is free software: you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation, either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include <config.h>
21#include "protocol.h"
22
23static struct sr_dev_driver hp_59306a_driver_info;
24
25static GSList *scan(struct sr_dev_driver *di, GSList *options)
26{
27 struct drv_context *drvc;
28 GSList *devices;
29
30 (void)options;
31
32 devices = NULL;
33 drvc = di->context;
34 drvc->instances = NULL;
35
36 /* TODO: scan for devices, either based on a SR_CONF_CONN option
37 * or on a USB scan. */
38
39 return devices;
40}
41
42static int dev_open(struct sr_dev_inst *sdi)
43{
44 (void)sdi;
45
46 /* TODO: get handle from sdi->conn and open it. */
47
48 return SR_OK;
49}
50
51static int dev_close(struct sr_dev_inst *sdi)
52{
53 (void)sdi;
54
55 /* TODO: get handle from sdi->conn and close it. */
56
57 return SR_OK;
58}
59
60static int config_get(uint32_t key, GVariant **data,
61 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
62{
63 int ret;
64
65 (void)sdi;
66 (void)data;
67 (void)cg;
68
69 ret = SR_OK;
70 switch (key) {
71 /* TODO */
72 default:
73 return SR_ERR_NA;
74 }
75
76 return ret;
77}
78
79static int config_set(uint32_t key, GVariant *data,
80 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
81{
82 int ret;
83
84 (void)sdi;
85 (void)data;
86 (void)cg;
87
88 ret = SR_OK;
89 switch (key) {
90 /* TODO */
91 default:
92 ret = SR_ERR_NA;
93 }
94
95 return ret;
96}
97
98static int config_list(uint32_t key, GVariant **data,
99 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
100{
101 int ret;
102
103 (void)sdi;
104 (void)data;
105 (void)cg;
106
107 ret = SR_OK;
108 switch (key) {
109 /* TODO */
110 default:
111 return SR_ERR_NA;
112 }
113
114 return ret;
115}
116
117static int dev_acquisition_start(const struct sr_dev_inst *sdi)
118{
119 /* TODO: configure hardware, reset acquisition state, set up
120 * callbacks and send header packet. */
121
122 (void)sdi;
123
124 return SR_OK;
125}
126
127static int dev_acquisition_stop(struct sr_dev_inst *sdi)
128{
129 /* TODO: stop acquisition. */
130
131 (void)sdi;
132
133 return SR_OK;
134}
135
136static struct sr_dev_driver hp_59306a_driver_info = {
137 .name = "hp-59306a",
138 .longname = "hp-59306a",
139 .api_version = 1,
140 .init = std_init,
141 .cleanup = std_cleanup,
142 .scan = scan,
143 .dev_list = std_dev_list,
144 .dev_clear = std_dev_clear,
145 .config_get = config_get,
146 .config_set = config_set,
147 .config_list = config_list,
148 .dev_open = dev_open,
149 .dev_close = dev_close,
150 .dev_acquisition_start = dev_acquisition_start,
151 .dev_acquisition_stop = dev_acquisition_stop,
152 .context = NULL,
153};
154SR_REGISTER_DEV_DRIVER(hp_59306a_driver_info);