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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 "scpi.h" | |
22 | #include "protocol.h" | |
23 | ||
24 | static const uint32_t scanopts[] = { | |
25 | SR_CONF_CONN, | |
26 | }; | |
27 | ||
28 | static const uint32_t drvopts[] = { | |
29 | SR_CONF_MULTIPLEXER, | |
30 | }; | |
31 | ||
32 | static const uint32_t devopts[] = { | |
33 | SR_CONF_CONN | SR_CONF_GET, | |
34 | SR_CONF_ENABLED | SR_CONF_SET, | |
35 | }; | |
36 | ||
37 | static const uint32_t devopts_cg[] = { | |
38 | SR_CONF_ENABLED | SR_CONF_SET, | |
39 | }; | |
40 | ||
41 | static struct sr_dev_driver hp_59306a_driver_info; | |
42 | ||
43 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) | |
44 | { | |
45 | struct sr_dev_inst *sdi; | |
46 | struct dev_context *devc; | |
47 | struct channel_group_context *cgc; | |
48 | size_t idx, nr; | |
49 | struct sr_channel_group *cg; | |
50 | ||
51 | /* | |
52 | * The device cannot get identified by means of SCPI queries. | |
53 | * Neither shall non-SCPI requests get emitted before reliable | |
54 | * identification of the device. Assume that we only get here | |
55 | * when user specs led us to believe it's safe to communicate | |
56 | * to the expected kind of device. | |
57 | */ | |
58 | ||
59 | sdi = g_malloc0(sizeof(*sdi)); | |
60 | sdi->vendor = g_strdup("Hewlett-Packard"); | |
61 | sdi->model = g_strdup("59306A"); | |
62 | sdi->conn = scpi; | |
63 | sdi->driver = &hp_59306a_driver_info; | |
64 | sdi->inst_type = SR_INST_SCPI; | |
65 | if (sr_scpi_connection_id(scpi, &sdi->connection_id) != SR_OK) { | |
66 | g_free(sdi->connection_id); | |
67 | sdi->connection_id = NULL; | |
68 | } | |
69 | ||
70 | devc = g_malloc0(sizeof(*devc)); | |
71 | sdi->priv = devc; | |
72 | ||
73 | devc->channel_count = 6; | |
74 | for (idx = 0; idx < devc->channel_count; idx++) { | |
75 | nr = idx + 1; | |
76 | ||
77 | cg = g_malloc0(sizeof(*cg)); | |
78 | cg->name = g_strdup_printf("CH%zu", nr); | |
79 | ||
80 | cgc = g_malloc0(sizeof(*cgc)); | |
81 | cgc->number = nr; | |
82 | cg->priv = cgc; | |
83 | ||
84 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
85 | } | |
86 | ||
87 | return sdi; | |
88 | } | |
89 | ||
90 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
91 | { | |
92 | const char *conn; | |
93 | ||
94 | /* Only scan for a device when conn= was specified. */ | |
95 | conn = NULL; | |
96 | (void)sr_serial_extract_options(options, &conn, NULL); | |
97 | if (!conn) | |
98 | return NULL; | |
99 | ||
100 | return sr_scpi_scan(di->context, options, probe_device); | |
101 | } | |
102 | ||
103 | static int dev_open(struct sr_dev_inst *sdi) | |
104 | { | |
105 | return sr_scpi_open(sdi->conn); | |
106 | } | |
107 | ||
108 | static int dev_close(struct sr_dev_inst *sdi) | |
109 | { | |
110 | return sr_scpi_close(sdi->conn); | |
111 | } | |
112 | ||
113 | static int config_get(uint32_t key, GVariant **data, | |
114 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
115 | { | |
116 | (void)cg; | |
117 | ||
118 | if (!sdi || !data) | |
119 | return SR_ERR_ARG; | |
120 | ||
121 | switch (key) { | |
122 | case SR_CONF_CONN: | |
123 | *data = g_variant_new_string(sdi->connection_id); | |
124 | break; | |
125 | default: | |
126 | return SR_ERR_NA; | |
127 | } | |
128 | ||
129 | return SR_OK; | |
130 | } | |
131 | ||
132 | static int config_set(uint32_t key, GVariant *data, | |
133 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
134 | { | |
135 | gboolean on; | |
136 | ||
137 | if (!cg) { | |
138 | switch (key) { | |
139 | case SR_CONF_ENABLED: | |
140 | /* Enable/disable all channels at the same time. */ | |
141 | on = g_variant_get_boolean(data); | |
142 | return hp_59306a_switch_cg(sdi, cg, on); | |
143 | default: | |
144 | return SR_ERR_NA; | |
145 | } | |
146 | } else { | |
147 | switch (key) { | |
148 | case SR_CONF_ENABLED: | |
149 | on = g_variant_get_boolean(data); | |
150 | return hp_59306a_switch_cg(sdi, cg, on); | |
151 | default: | |
152 | return SR_ERR_NA; | |
153 | } | |
154 | } | |
155 | ||
156 | return SR_OK; | |
157 | } | |
158 | ||
159 | static int config_list(uint32_t key, GVariant **data, | |
160 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
161 | { | |
162 | if (!cg) { | |
163 | switch (key) { | |
164 | case SR_CONF_SCAN_OPTIONS: | |
165 | case SR_CONF_DEVICE_OPTIONS: | |
166 | return STD_CONFIG_LIST(key, data, sdi, cg, | |
167 | scanopts, drvopts, devopts); | |
168 | default: | |
169 | return SR_ERR_NA; | |
170 | } | |
171 | } else { | |
172 | switch (key) { | |
173 | case SR_CONF_DEVICE_OPTIONS: | |
174 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); | |
175 | break; | |
176 | default: | |
177 | return SR_ERR_NA; | |
178 | } | |
179 | } | |
180 | ||
181 | return SR_OK; | |
182 | } | |
183 | ||
184 | static struct sr_dev_driver hp_59306a_driver_info = { | |
185 | .name = "hp-59306a", | |
186 | .longname = "hp-59306a", | |
187 | .api_version = 1, | |
188 | .init = std_init, | |
189 | .cleanup = std_cleanup, | |
190 | .scan = scan, | |
191 | .dev_list = std_dev_list, | |
192 | .dev_clear = std_dev_clear, | |
193 | .config_get = config_get, | |
194 | .config_set = config_set, | |
195 | .config_list = config_list, | |
196 | .dev_open = dev_open, | |
197 | .dev_close = dev_close, | |
198 | .dev_acquisition_start = std_dummy_dev_acquisition_start, | |
199 | .dev_acquisition_stop = std_dummy_dev_acquisition_stop, | |
200 | .context = NULL, | |
201 | }; | |
202 | SR_REGISTER_DEV_DRIVER(hp_59306a_driver_info); |