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1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 Bastian Schmitz <bastian.schmitz@udo.edu> | |
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 <string.h> | |
22 | #include "protocol.h" | |
23 | ||
24 | static const uint32_t scanopts[] = { | |
25 | SR_CONF_CONN, | |
26 | SR_CONF_SERIALCOMM, | |
27 | }; | |
28 | ||
29 | static const uint32_t drvopts[] = { | |
30 | SR_CONF_POWER_SUPPLY, | |
31 | }; | |
32 | ||
33 | static const uint32_t devopts[] = { | |
34 | SR_CONF_CONTINUOUS, | |
35 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
36 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
37 | SR_CONF_CHANNEL_CONFIG | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
38 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
39 | }; | |
40 | ||
41 | static const uint32_t devopts_cg[] = { | |
42 | SR_CONF_VOLTAGE | SR_CONF_GET, | |
43 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
44 | SR_CONF_CURRENT | SR_CONF_GET, | |
45 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
46 | }; | |
47 | ||
48 | static const char *channel_modes[] = { | |
49 | "Independent", | |
50 | }; | |
51 | ||
52 | static const struct gpd_model models[] = { | |
53 | { GPD_2303S, "GPD-2303S", | |
54 | CHANMODE_INDEPENDENT, | |
55 | 2, | |
56 | { | |
57 | /* Channel 1 */ | |
58 | { { 0, 30, 0.001 }, { 0, 3, 0.001 } }, | |
59 | /* Channel 2 */ | |
60 | { { 0, 30, 0.001 }, { 0, 3, 0.001 } }, | |
61 | }, | |
62 | }, | |
63 | }; | |
64 | ||
65 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
66 | { | |
67 | const char *conn, *serialcomm; | |
68 | const struct gpd_model *model; | |
69 | const struct sr_config *src; | |
70 | struct sr_channel *ch; | |
71 | struct sr_channel_group *cg; | |
72 | GSList *l; | |
73 | struct sr_serial_dev_inst *serial; | |
74 | struct sr_dev_inst *sdi; | |
75 | char reply[50]; | |
76 | unsigned int i; | |
77 | struct dev_context *devc; | |
78 | char channel[10]; | |
79 | GRegex *regex; | |
80 | GMatchInfo *match_info; | |
81 | unsigned int cc_cv_ch1, cc_cv_ch2, track1, track2, beep, baud1, baud2; | |
82 | ||
83 | serial = NULL; | |
84 | match_info = NULL; | |
85 | regex = NULL; | |
86 | conn = NULL; | |
87 | serialcomm = NULL; | |
88 | ||
89 | for (l = options; l; l = l->next) { | |
90 | src = l->data; | |
91 | switch (src->key) { | |
92 | case SR_CONF_CONN: | |
93 | conn = g_variant_get_string(src->data, NULL); | |
94 | break; | |
95 | case SR_CONF_SERIALCOMM: | |
96 | serialcomm = g_variant_get_string(src->data, NULL); | |
97 | break; | |
98 | } | |
99 | } | |
100 | ||
101 | if (!conn) | |
102 | return NULL; | |
103 | if (!serialcomm) | |
104 | serialcomm = "115200/8n1"; | |
105 | sr_info("Probing serial port %s.", conn); | |
106 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
107 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
108 | return NULL; | |
109 | ||
b872ab7d BS |
110 | gpd_send_cmd(serial, "*IDN?\n"); |
111 | if (gpd_receive_reply(serial, reply, sizeof(reply)) != SR_OK) { | |
112 | sr_err("Device did not reply."); | |
113 | goto error; | |
114 | } | |
115 | serial_flush(serial); | |
116 | ||
117 | /* | |
118 | * Returned identification string is for example: | |
119 | * "GW INSTEK,GPD-2303S,SN:ER915277,V2.10" | |
120 | */ | |
121 | regex = g_regex_new("GW INSTEK,(.+),SN:(.+),(V.+)", 0, 0, NULL); | |
122 | if (!g_regex_match(regex, reply, 0, &match_info)) { | |
123 | sr_err("Unsupported model '%s'.", reply); | |
124 | goto error; | |
125 | } | |
126 | ||
127 | model = NULL; | |
128 | for (i = 0; i < ARRAY_SIZE(models); i++) { | |
129 | if (!strcmp(g_match_info_fetch(match_info, 1), models[i].name)) { | |
130 | model = &models[i]; | |
131 | break; | |
132 | } | |
133 | } | |
134 | if (!model) { | |
135 | sr_err("Unsupported model '%s'.", reply); | |
136 | goto error; | |
137 | } | |
138 | ||
139 | sr_info("Detected model '%s'.", model->name); | |
140 | ||
141 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
142 | sdi->status = SR_ST_INACTIVE; | |
143 | sdi->vendor = g_strdup("GW Instek"); | |
144 | sdi->model = g_strdup(model->name); | |
145 | sdi->inst_type = SR_INST_SERIAL; | |
146 | sdi->conn = serial; | |
147 | ||
148 | for (i = 0; i < model->num_channels; i++) { | |
149 | snprintf(channel, sizeof(channel), "CH%d", i + 1); | |
150 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel); | |
151 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
152 | cg->name = g_strdup(channel); | |
153 | cg->channels = g_slist_append(NULL, ch); | |
154 | cg->priv = NULL; | |
155 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
156 | } | |
157 | ||
158 | devc = g_malloc0(sizeof(struct dev_context)); | |
159 | sr_sw_limits_init(&devc->limits); | |
160 | devc->model = model; | |
161 | devc->config = g_malloc0(sizeof(struct per_channel_config) | |
162 | * model->num_channels); | |
163 | sdi->priv = devc; | |
164 | ||
165 | serial_flush(serial); | |
166 | gpd_send_cmd(serial, "STATUS?\n"); | |
167 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
168 | ||
169 | if (sscanf(reply, "%1u%1u%1u%1u%1u%1u%1u%1u", &cc_cv_ch1, | |
170 | &cc_cv_ch2, &track1, &track2, &beep, | |
171 | &devc->output_enabled, &baud1, &baud2) != 8) { | |
172 | sr_err("Invalid reply to STATUS: '%s'.", reply); | |
173 | goto error; | |
174 | } | |
175 | ||
176 | for (i = 0; i < model->num_channels; ++i) { | |
177 | gpd_send_cmd(serial, "ISET%d?\n", i + 1); | |
178 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
179 | if (sscanf(reply, "%f", &devc->config[i].output_current_max) != 1) { | |
180 | sr_err("Invalid reply to ISETn?: '%s'.", reply); | |
181 | goto error; | |
182 | } | |
183 | ||
184 | gpd_send_cmd(serial, "VSET%d?\n", i + 1); | |
185 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
186 | if (sscanf(reply, "%f", &devc->config[i].output_voltage_max) != 1) { | |
187 | sr_err("Invalid reply to VSETn?: '%s'.", reply); | |
188 | goto error; | |
189 | } | |
190 | gpd_send_cmd(serial, "IOUT%d?\n", i + 1); | |
191 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
192 | if (sscanf(reply, "%f", &devc->config[i].output_current_last) != 1) { | |
193 | sr_err("Invalid reply to IOUTn?: '%s'.", reply); | |
194 | goto error; | |
195 | } | |
196 | gpd_send_cmd(serial, "VOUT%d?\n", i + 1); | |
197 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
198 | if (sscanf(reply, "%f", &devc->config[i].output_voltage_last) != 1) { | |
199 | sr_err("Invalid reply to VOUTn?: '%s'.", reply); | |
200 | goto error; | |
201 | } | |
202 | } | |
203 | ||
204 | serial_close(serial); | |
205 | ||
206 | return std_scan_complete(di, g_slist_append(NULL, sdi)); | |
207 | ||
208 | error: | |
209 | if (match_info) | |
210 | g_match_info_free(match_info); | |
211 | if (regex) | |
212 | g_regex_unref(regex); | |
213 | if (serial) | |
214 | serial_close(serial); | |
215 | ||
216 | return NULL; | |
217 | } | |
218 | ||
219 | static int config_get(uint32_t key, GVariant **data, | |
220 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
221 | { | |
5ff77241 | 222 | int channel; |
b872ab7d BS |
223 | const struct dev_context *devc; |
224 | const struct sr_channel *ch; | |
b872ab7d BS |
225 | |
226 | if (!sdi) | |
227 | return SR_ERR_ARG; | |
228 | ||
229 | devc = sdi->priv; | |
230 | ||
231 | if (!cg) { | |
232 | switch (key) { | |
233 | case SR_CONF_CHANNEL_CONFIG: | |
234 | *data = g_variant_new_string( | |
235 | channel_modes[devc->channel_mode]); | |
236 | break; | |
237 | case SR_CONF_ENABLED: | |
238 | *data = g_variant_new_boolean(devc->output_enabled); | |
239 | break; | |
240 | default: | |
241 | return SR_ERR_NA; | |
242 | } | |
243 | } else { | |
244 | ch = cg->channels->data; | |
245 | channel = ch->index; | |
b872ab7d BS |
246 | switch (key) { |
247 | case SR_CONF_VOLTAGE: | |
248 | *data = g_variant_new_double( | |
249 | devc->config[channel].output_voltage_last); | |
250 | break; | |
251 | case SR_CONF_VOLTAGE_TARGET: | |
252 | *data = g_variant_new_double( | |
253 | devc->config[channel].output_voltage_max); | |
254 | break; | |
255 | case SR_CONF_CURRENT: | |
256 | *data = g_variant_new_double( | |
257 | devc->config[channel].output_current_last); | |
258 | break; | |
259 | case SR_CONF_CURRENT_LIMIT: | |
260 | *data = g_variant_new_double( | |
261 | devc->config[channel].output_current_max); | |
262 | break; | |
263 | default: | |
264 | return SR_ERR_NA; | |
265 | } | |
266 | } | |
267 | ||
5ff77241 | 268 | return SR_OK; |
b872ab7d BS |
269 | } |
270 | ||
271 | static int config_set(uint32_t key, GVariant *data, | |
272 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
273 | { | |
274 | int ret, channel; | |
275 | const struct sr_channel *ch; | |
276 | double dval; | |
277 | gboolean bval; | |
278 | struct dev_context *devc; | |
279 | ||
280 | devc = sdi->priv; | |
b872ab7d BS |
281 | |
282 | ret = SR_OK; | |
283 | ||
284 | switch (key) { | |
285 | case SR_CONF_LIMIT_MSEC: | |
286 | case SR_CONF_LIMIT_SAMPLES: | |
287 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
288 | case SR_CONF_ENABLED: | |
289 | bval = g_variant_get_boolean(data); | |
290 | gpd_send_cmd(sdi->conn, "OUT%c\n", bval ? '1' : '0'); | |
291 | devc->output_enabled = bval; | |
292 | break; | |
293 | case SR_CONF_VOLTAGE_TARGET: | |
294 | ch = cg->channels->data; | |
295 | channel = ch->index; | |
296 | dval = g_variant_get_double(data); | |
297 | if (dval < devc->model->channels[channel].voltage[0] | |
298 | || dval > devc->model->channels[channel].voltage[1]) | |
299 | return SR_ERR_ARG; | |
300 | gpd_send_cmd(sdi->conn, "VSET%d:%05.3lf\n", channel + 1, dval); | |
301 | devc->config[channel].output_voltage_max = dval; | |
302 | break; | |
303 | case SR_CONF_CURRENT_LIMIT: | |
304 | ch = cg->channels->data; | |
305 | channel = ch->index; | |
306 | dval = g_variant_get_double(data); | |
307 | if (dval < devc->model->channels[channel].current[0] | |
308 | || dval > devc->model->channels[channel].current[1]) | |
309 | return SR_ERR_ARG; | |
310 | gpd_send_cmd(sdi->conn, "ISET%d:%05.3lf\n", channel + 1, dval); | |
311 | devc->config[channel].output_current_max = dval; | |
312 | break; | |
313 | default: | |
314 | ret = SR_ERR_NA; | |
315 | break; | |
316 | } | |
317 | ||
318 | return ret; | |
319 | } | |
320 | ||
321 | static int config_list(uint32_t key, GVariant **data, | |
322 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
323 | { | |
324 | const struct dev_context *devc; | |
325 | const struct sr_channel *ch; | |
326 | int channel; | |
327 | ||
328 | devc = (sdi) ? sdi->priv : NULL; | |
329 | ||
330 | if (!cg) { | |
331 | switch (key) { | |
332 | case SR_CONF_SCAN_OPTIONS: | |
333 | case SR_CONF_DEVICE_OPTIONS: | |
334 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, | |
335 | drvopts, devopts); | |
336 | case SR_CONF_CHANNEL_CONFIG: | |
337 | *data = g_variant_new_strv(ARRAY_AND_SIZE(channel_modes)); | |
338 | break; | |
339 | default: | |
340 | return SR_ERR_NA; | |
341 | } | |
342 | } else { | |
343 | ch = cg->channels->data; | |
344 | channel = ch->index; | |
345 | ||
346 | switch (key) { | |
347 | case SR_CONF_DEVICE_OPTIONS: | |
348 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); | |
349 | break; | |
350 | case SR_CONF_VOLTAGE_TARGET: | |
351 | *data = std_gvar_min_max_step_array( | |
352 | devc->model->channels[channel].voltage); | |
353 | break; | |
354 | case SR_CONF_CURRENT_LIMIT: | |
355 | *data = std_gvar_min_max_step_array( | |
356 | devc->model->channels[channel].current); | |
357 | break; | |
358 | default: | |
359 | return SR_ERR_NA; | |
360 | } | |
361 | } | |
362 | ||
363 | return SR_OK; | |
364 | } | |
365 | ||
366 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
367 | { | |
368 | struct dev_context *devc; | |
369 | struct sr_serial_dev_inst *serial; | |
370 | ||
b872ab7d BS |
371 | devc = sdi->priv; |
372 | ||
373 | sr_sw_limits_acquisition_start(&devc->limits); | |
374 | std_session_send_df_header(sdi); | |
375 | ||
376 | devc->reply_pending = FALSE; | |
377 | devc->req_sent_at = 0; | |
378 | serial = sdi->conn; | |
379 | serial_source_add(sdi->session, serial, G_IO_IN, 100, | |
380 | gpd_receive_data, (void *)sdi); | |
381 | ||
382 | return SR_OK; | |
383 | } | |
384 | ||
f1e82915 | 385 | static struct sr_dev_driver gwinstek_gpd_driver_info = { |
b872ab7d BS |
386 | .name = "gwinstek-gpd", |
387 | .longname = "GW Instek GPD", | |
388 | .api_version = 1, | |
389 | .init = std_init, | |
390 | .cleanup = std_cleanup, | |
391 | .scan = scan, | |
392 | .dev_list = std_dev_list, | |
393 | .dev_clear = std_dev_clear, | |
394 | .config_get = config_get, | |
395 | .config_set = config_set, | |
396 | .config_list = config_list, | |
397 | .dev_open = std_serial_dev_open, | |
398 | .dev_close = std_serial_dev_close, | |
399 | .dev_acquisition_start = dev_acquisition_start, | |
400 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, | |
401 | .context = NULL, | |
402 | }; | |
403 | SR_REGISTER_DEV_DRIVER(gwinstek_gpd_driver_info); |