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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
21 | #include "protocol.h" | |
22 | ||
23 | SR_PRIV struct sr_dev_driver kern_scale_driver_info; | |
24 | ||
25 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
26 | { | |
27 | return std_init(sr_ctx, di, LOG_PREFIX); | |
28 | } | |
29 | ||
30 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
31 | { | |
32 | struct drv_context *drvc; | |
33 | GSList *devices; | |
34 | ||
35 | (void)options; | |
36 | ||
37 | devices = NULL; | |
38 | drvc = di->context; | |
39 | drvc->instances = NULL; | |
40 | ||
41 | return devices; | |
42 | } | |
43 | ||
44 | static GSList *dev_list(const struct sr_dev_driver *di) | |
45 | { | |
46 | return ((struct drv_context *)(di->context))->instances; | |
47 | } | |
48 | ||
49 | static int dev_clear(const struct sr_dev_driver *di) | |
50 | { | |
51 | return std_dev_clear(di, NULL); | |
52 | } | |
53 | ||
54 | static int dev_open(struct sr_dev_inst *sdi) | |
55 | { | |
56 | (void)sdi; | |
57 | ||
58 | sdi->status = SR_ST_ACTIVE; | |
59 | ||
60 | return SR_OK; | |
61 | } | |
62 | ||
63 | static int dev_close(struct sr_dev_inst *sdi) | |
64 | { | |
65 | (void)sdi; | |
66 | ||
67 | sdi->status = SR_ST_INACTIVE; | |
68 | ||
69 | return SR_OK; | |
70 | } | |
71 | ||
72 | static int cleanup(const struct sr_dev_driver *di) | |
73 | { | |
74 | dev_clear(di); | |
75 | ||
76 | return SR_OK; | |
77 | } | |
78 | ||
79 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
80 | 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 | default: | |
91 | return SR_ERR_NA; | |
92 | } | |
93 | ||
94 | return ret; | |
95 | } | |
96 | ||
97 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
98 | const struct sr_channel_group *cg) | |
99 | { | |
100 | int ret; | |
101 | ||
102 | (void)data; | |
103 | (void)cg; | |
104 | ||
105 | if (sdi->status != SR_ST_ACTIVE) | |
106 | return SR_ERR_DEV_CLOSED; | |
107 | ||
108 | ret = SR_OK; | |
109 | switch (key) { | |
110 | default: | |
111 | ret = SR_ERR_NA; | |
112 | } | |
113 | ||
114 | return ret; | |
115 | } | |
116 | ||
117 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
118 | const struct sr_channel_group *cg) | |
119 | { | |
120 | int ret; | |
121 | ||
122 | (void)sdi; | |
123 | (void)data; | |
124 | (void)cg; | |
125 | ||
126 | ret = SR_OK; | |
127 | switch (key) { | |
128 | default: | |
129 | return SR_ERR_NA; | |
130 | } | |
131 | ||
132 | return ret; | |
133 | } | |
134 | ||
135 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) | |
136 | { | |
137 | (void)sdi; | |
138 | (void)cb_data; | |
139 | ||
140 | if (sdi->status != SR_ST_ACTIVE) | |
141 | return SR_ERR_DEV_CLOSED; | |
142 | ||
143 | return SR_OK; | |
144 | } | |
145 | ||
146 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
147 | { | |
148 | (void)cb_data; | |
149 | ||
150 | if (sdi->status != SR_ST_ACTIVE) | |
151 | return SR_ERR_DEV_CLOSED; | |
152 | ||
153 | return SR_OK; | |
154 | } | |
155 | ||
156 | SR_PRIV struct sr_dev_driver kern_scale_driver_info = { | |
157 | .name = "kern-scale", | |
158 | .longname = "KERN Scale", | |
159 | .api_version = 1, | |
160 | .init = init, | |
161 | .cleanup = cleanup, | |
162 | .scan = scan, | |
163 | .dev_list = dev_list, | |
164 | .dev_clear = dev_clear, | |
165 | .config_get = config_get, | |
166 | .config_set = config_set, | |
167 | .config_list = config_list, | |
168 | .dev_open = dev_open, | |
169 | .dev_close = dev_close, | |
170 | .dev_acquisition_start = dev_acquisition_start, | |
171 | .dev_acquisition_stop = dev_acquisition_stop, | |
172 | .context = NULL, | |
173 | }; |