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7c198f96 ML |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2015 Martin Lederhilger <martin.lederhilger@gmx.at> | |
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 | ||
b11afbb1 | 20 | #include <string.h> |
7c198f96 ML |
21 | #include "protocol.h" |
22 | ||
b11afbb1 ML |
23 | static const uint32_t scanopts[] = { |
24 | SR_CONF_CONN, | |
25 | SR_CONF_SERIALCOMM, | |
26 | }; | |
27 | ||
28 | static const uint32_t devopts[] = { | |
29 | SR_CONF_OSCILLOSCOPE, | |
30 | SR_CONF_LIMIT_FRAMES | SR_CONF_SET, | |
31 | SR_CONF_SAMPLERATE | SR_CONF_GET, | |
32 | }; | |
33 | ||
7c198f96 ML |
34 | SR_PRIV struct sr_dev_driver gwinstek_gds_800_driver_info; |
35 | ||
36 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) | |
37 | { | |
38 | return std_init(sr_ctx, di, LOG_PREFIX); | |
39 | } | |
40 | ||
b11afbb1 | 41 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
7c198f96 | 42 | { |
b11afbb1 ML |
43 | struct dev_context *devc; |
44 | struct sr_dev_inst *sdi; | |
45 | struct sr_scpi_hw_info *hw_info; | |
46 | struct sr_channel_group *cg; | |
47 | ||
48 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { | |
49 | sr_info("Couldn't get IDN response."); | |
50 | return NULL; | |
51 | } | |
7c198f96 | 52 | |
b11afbb1 ML |
53 | if (strcmp(hw_info->manufacturer, "GW") != 0 || |
54 | strncmp(hw_info->model, "GDS-8", 5) != 0) { | |
55 | sr_scpi_hw_info_free(hw_info); | |
56 | return NULL; | |
57 | } | |
7c198f96 | 58 | |
b11afbb1 | 59 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
b11afbb1 ML |
60 | sdi->vendor = g_strdup(hw_info->manufacturer); |
61 | sdi->model = g_strdup(hw_info->model); | |
62 | sdi->version = g_strdup(hw_info->firmware_version); | |
63 | sdi->conn = scpi; | |
64 | sdi->driver = &gwinstek_gds_800_driver_info; | |
65 | sdi->inst_type = SR_INST_SCPI; | |
66 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
67 | sdi->channels = NULL; | |
68 | sdi->channel_groups = NULL; | |
69 | ||
70 | sr_scpi_hw_info_free(hw_info); | |
71 | ||
72 | devc = g_malloc0(sizeof(struct dev_context)); | |
73 | devc->frame_limit = 1; | |
74 | devc->sample_rate = 0.; | |
75 | devc->df_started = FALSE; | |
76 | sdi->priv = devc; | |
77 | ||
78 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "CH1"); | |
79 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "CH2"); | |
80 | ||
81 | cg = g_malloc0(sizeof(struct sr_channel_group)); | |
82 | cg->name = g_strdup(""); | |
83 | cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 0)); | |
84 | cg->channels = g_slist_append(cg->channels, g_slist_nth_data(sdi->channels, 1)); | |
85 | cg->priv = NULL; | |
86 | sdi->channel_groups = g_slist_append(NULL, cg); | |
87 | ||
88 | return sdi; | |
89 | } | |
7c198f96 | 90 | |
b11afbb1 ML |
91 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
92 | { | |
93 | return sr_scpi_scan(di->context, options, probe_device); | |
7c198f96 ML |
94 | } |
95 | ||
96 | static GSList *dev_list(const struct sr_dev_driver *di) | |
97 | { | |
98 | return ((struct drv_context *)(di->context))->instances; | |
99 | } | |
100 | ||
101 | static int dev_clear(const struct sr_dev_driver *di) | |
102 | { | |
103 | return std_dev_clear(di, NULL); | |
104 | } | |
105 | ||
106 | static int dev_open(struct sr_dev_inst *sdi) | |
107 | { | |
b11afbb1 ML |
108 | int ret; |
109 | struct sr_scpi_dev_inst *scpi = sdi->conn; | |
7c198f96 | 110 | |
b11afbb1 ML |
111 | if ((ret = sr_scpi_open(scpi)) < 0) { |
112 | sr_err("Failed to open SCPI device: %s.", sr_strerror(ret)); | |
113 | return SR_ERR; | |
114 | } | |
7c198f96 ML |
115 | |
116 | sdi->status = SR_ST_ACTIVE; | |
117 | ||
118 | return SR_OK; | |
119 | } | |
120 | ||
121 | static int dev_close(struct sr_dev_inst *sdi) | |
122 | { | |
b11afbb1 | 123 | struct sr_scpi_dev_inst *scpi; |
7c198f96 | 124 | |
b11afbb1 ML |
125 | if (sdi->status != SR_ST_ACTIVE) |
126 | return SR_ERR_DEV_CLOSED; | |
7c198f96 | 127 | |
b11afbb1 ML |
128 | scpi = sdi->conn; |
129 | if (scpi) { | |
130 | if (sr_scpi_close(scpi) < 0) | |
131 | return SR_ERR; | |
132 | sdi->status = SR_ST_INACTIVE; | |
133 | } | |
7c198f96 ML |
134 | |
135 | return SR_OK; | |
136 | } | |
137 | ||
138 | static int cleanup(const struct sr_dev_driver *di) | |
139 | { | |
140 | dev_clear(di); | |
141 | ||
7c198f96 ML |
142 | return SR_OK; |
143 | } | |
144 | ||
145 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
146 | const struct sr_channel_group *cg) | |
147 | { | |
b11afbb1 | 148 | struct dev_context *devc; |
7c198f96 | 149 | |
7c198f96 ML |
150 | (void)cg; |
151 | ||
b11afbb1 ML |
152 | if (!sdi || !(devc = sdi->priv)) |
153 | return SR_ERR_ARG; | |
154 | ||
7c198f96 | 155 | switch (key) { |
b11afbb1 ML |
156 | case SR_CONF_SAMPLERATE: |
157 | *data = g_variant_new_uint64(devc->sample_rate); | |
158 | break; | |
7c198f96 ML |
159 | default: |
160 | return SR_ERR_NA; | |
161 | } | |
162 | ||
b11afbb1 | 163 | return SR_OK; |
7c198f96 ML |
164 | } |
165 | ||
166 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
167 | const struct sr_channel_group *cg) | |
168 | { | |
b11afbb1 | 169 | struct dev_context *devc; |
7c198f96 | 170 | |
7c198f96 ML |
171 | (void)cg; |
172 | ||
b11afbb1 ML |
173 | if (!sdi || !(devc = sdi->priv)) |
174 | return SR_ERR_ARG; | |
175 | ||
7c198f96 ML |
176 | if (sdi->status != SR_ST_ACTIVE) |
177 | return SR_ERR_DEV_CLOSED; | |
178 | ||
7c198f96 | 179 | switch (key) { |
b11afbb1 ML |
180 | case SR_CONF_LIMIT_FRAMES: |
181 | devc->frame_limit = g_variant_get_uint64(data); | |
182 | break; | |
7c198f96 | 183 | default: |
b11afbb1 | 184 | return SR_ERR_NA; |
7c198f96 ML |
185 | } |
186 | ||
b11afbb1 | 187 | return SR_OK; |
7c198f96 ML |
188 | } |
189 | ||
190 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, | |
191 | const struct sr_channel_group *cg) | |
192 | { | |
7c198f96 | 193 | (void)sdi; |
7c198f96 ML |
194 | (void)cg; |
195 | ||
7c198f96 | 196 | switch (key) { |
b11afbb1 ML |
197 | case SR_CONF_SCAN_OPTIONS: |
198 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
199 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); | |
200 | return SR_OK; | |
201 | case SR_CONF_DEVICE_OPTIONS: | |
202 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
203 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); | |
204 | return SR_OK; | |
7c198f96 ML |
205 | default: |
206 | return SR_ERR_NA; | |
207 | } | |
208 | ||
b11afbb1 | 209 | return SR_OK; |
7c198f96 ML |
210 | } |
211 | ||
b11afbb1 | 212 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data) |
7c198f96 | 213 | { |
b11afbb1 ML |
214 | struct sr_scpi_dev_inst *scpi; |
215 | struct dev_context *devc; | |
216 | ||
7c198f96 ML |
217 | (void)cb_data; |
218 | ||
b11afbb1 ML |
219 | scpi = sdi->conn; |
220 | devc = sdi->priv; | |
221 | ||
7c198f96 ML |
222 | if (sdi->status != SR_ST_ACTIVE) |
223 | return SR_ERR_DEV_CLOSED; | |
224 | ||
b11afbb1 ML |
225 | devc->state = START_ACQUISITION; |
226 | devc->cur_acq_frame = 0; | |
227 | ||
228 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, | |
229 | gwinstek_gds_800_receive_data, (void *)sdi); | |
7c198f96 ML |
230 | |
231 | return SR_OK; | |
232 | } | |
233 | ||
234 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
235 | { | |
b11afbb1 ML |
236 | struct sr_scpi_dev_inst *scpi; |
237 | struct dev_context *devc; | |
238 | struct sr_datafeed_packet packet; | |
239 | ||
7c198f96 ML |
240 | (void)cb_data; |
241 | ||
b11afbb1 ML |
242 | scpi = sdi->conn; |
243 | devc = sdi->priv; | |
244 | ||
245 | if (sdi->status != SR_ST_ACTIVE) { | |
246 | sr_err("Device inactive, can't stop acquisition."); | |
247 | return SR_ERR; | |
248 | } | |
249 | ||
250 | if (devc->df_started) { | |
251 | packet.type = SR_DF_FRAME_END; | |
252 | sr_session_send(sdi, &packet); | |
253 | ||
254 | packet.type = SR_DF_END; | |
255 | sr_session_send(sdi, &packet); | |
256 | ||
257 | devc->df_started = FALSE; | |
258 | } | |
7c198f96 | 259 | |
b11afbb1 | 260 | sr_scpi_source_remove(sdi->session, scpi); |
7c198f96 ML |
261 | |
262 | return SR_OK; | |
263 | } | |
264 | ||
265 | SR_PRIV struct sr_dev_driver gwinstek_gds_800_driver_info = { | |
266 | .name = "gwinstek-gds-800", | |
b11afbb1 | 267 | .longname = "GW Instek GDS-800 series", |
7c198f96 ML |
268 | .api_version = 1, |
269 | .init = init, | |
270 | .cleanup = cleanup, | |
271 | .scan = scan, | |
272 | .dev_list = dev_list, | |
273 | .dev_clear = dev_clear, | |
274 | .config_get = config_get, | |
275 | .config_set = config_set, | |
276 | .config_list = config_list, | |
277 | .dev_open = dev_open, | |
278 | .dev_close = dev_close, | |
279 | .dev_acquisition_start = dev_acquisition_start, | |
280 | .dev_acquisition_stop = dev_acquisition_stop, | |
281 | .context = NULL, | |
282 | }; |