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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2014 Bert Vermeulen <bert@biot.com> | |
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 "protocol.h" | |
21 | ||
22 | SR_PRIV struct sr_dev_driver atten_pps3xxx_driver_info; | |
23 | static struct sr_dev_driver *di = &atten_pps3xxx_driver_info; | |
24 | ||
25 | static int init(struct sr_context *sr_ctx) | |
26 | { | |
27 | return std_init(sr_ctx, di, LOG_PREFIX); | |
28 | } | |
29 | ||
30 | static GSList *scan(GSList *options) | |
31 | { | |
32 | struct drv_context *drvc; | |
33 | GSList *devices; | |
34 | ||
35 | (void)options; | |
36 | ||
37 | devices = NULL; | |
38 | drvc = di->priv; | |
39 | drvc->instances = NULL; | |
40 | ||
41 | /* TODO: scan for devices, either based on a SR_CONF_CONN option | |
42 | * or on a USB scan. */ | |
43 | ||
44 | return devices; | |
45 | } | |
46 | ||
47 | static GSList *dev_list(void) | |
48 | { | |
49 | return ((struct drv_context *)(di->priv))->instances; | |
50 | } | |
51 | ||
52 | static int dev_clear(void) | |
53 | { | |
54 | return std_dev_clear(di, NULL); | |
55 | } | |
56 | ||
57 | static int dev_open(struct sr_dev_inst *sdi) | |
58 | { | |
59 | (void)sdi; | |
60 | ||
61 | /* TODO: get handle from sdi->conn and open it. */ | |
62 | ||
63 | sdi->status = SR_ST_ACTIVE; | |
64 | ||
65 | return SR_OK; | |
66 | } | |
67 | ||
68 | static int dev_close(struct sr_dev_inst *sdi) | |
69 | { | |
70 | (void)sdi; | |
71 | ||
72 | /* TODO: get handle from sdi->conn and close it. */ | |
73 | ||
74 | sdi->status = SR_ST_INACTIVE; | |
75 | ||
76 | return SR_OK; | |
77 | } | |
78 | ||
79 | static int cleanup(void) | |
80 | { | |
81 | dev_clear(); | |
82 | ||
83 | /* TODO: free other driver resources, if any. */ | |
84 | ||
85 | return SR_OK; | |
86 | } | |
87 | ||
88 | static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
89 | const struct sr_probe_group *probe_group) | |
90 | { | |
91 | int ret; | |
92 | ||
93 | (void)sdi; | |
94 | (void)data; | |
95 | (void)probe_group; | |
96 | ||
97 | ret = SR_OK; | |
98 | switch (key) { | |
99 | /* TODO */ | |
100 | default: | |
101 | return SR_ERR_NA; | |
102 | } | |
103 | ||
104 | return ret; | |
105 | } | |
106 | ||
107 | static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi, | |
108 | const struct sr_probe_group *probe_group) | |
109 | { | |
110 | int ret; | |
111 | ||
112 | (void)data; | |
113 | (void)probe_group; | |
114 | ||
115 | if (sdi->status != SR_ST_ACTIVE) | |
116 | return SR_ERR_DEV_CLOSED; | |
117 | ||
118 | ret = SR_OK; | |
119 | switch (key) { | |
120 | /* TODO */ | |
121 | default: | |
122 | ret = SR_ERR_NA; | |
123 | } | |
124 | ||
125 | return ret; | |
126 | } | |
127 | ||
128 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
129 | const struct sr_probe_group *probe_group) | |
130 | { | |
131 | int ret; | |
132 | ||
133 | (void)sdi; | |
134 | (void)data; | |
135 | (void)probe_group; | |
136 | ||
137 | ret = SR_OK; | |
138 | switch (key) { | |
139 | /* TODO */ | |
140 | default: | |
141 | return SR_ERR_NA; | |
142 | } | |
143 | ||
144 | return ret; | |
145 | } | |
146 | ||
147 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
148 | void *cb_data) | |
149 | { | |
150 | (void)sdi; | |
151 | (void)cb_data; | |
152 | ||
153 | if (sdi->status != SR_ST_ACTIVE) | |
154 | return SR_ERR_DEV_CLOSED; | |
155 | ||
156 | /* TODO: configure hardware, reset acquisition state, set up | |
157 | * callbacks and send header packet. */ | |
158 | ||
159 | return SR_OK; | |
160 | } | |
161 | ||
162 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
163 | { | |
164 | (void)cb_data; | |
165 | ||
166 | if (sdi->status != SR_ST_ACTIVE) | |
167 | return SR_ERR_DEV_CLOSED; | |
168 | ||
169 | /* TODO: stop acquisition. */ | |
170 | ||
171 | return SR_OK; | |
172 | } | |
173 | ||
174 | SR_PRIV struct sr_dev_driver atten_pps3xxx_driver_info = { | |
175 | .name = "atten-pps3xxx", | |
176 | .longname = "Atten PPS3xxx", | |
177 | .api_version = 1, | |
178 | .init = init, | |
179 | .cleanup = cleanup, | |
180 | .scan = scan, | |
181 | .dev_list = dev_list, | |
182 | .dev_clear = dev_clear, | |
183 | .config_get = config_get, | |
184 | .config_set = config_set, | |
185 | .config_list = config_list, | |
186 | .dev_open = dev_open, | |
187 | .dev_close = dev_close, | |
188 | .dev_acquisition_start = dev_acquisition_start, | |
189 | .dev_acquisition_stop = dev_acquisition_stop, | |
190 | .priv = NULL, | |
191 | }; |