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b872ab7d BS |
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 | }, | |
3b316fdc TK |
63 | { GPD_3303S, "GPD-3303S", |
64 | CHANMODE_INDEPENDENT, | |
65 | 2, | |
66 | { | |
67 | /* Channel 1 */ | |
68 | { { 0, 32, 0.001 }, { 0, 3.2, 0.001 } }, | |
69 | /* Channel 2 */ | |
70 | { { 0, 32, 0.001 }, { 0, 3.2, 0.001 } }, | |
71 | }, | |
72 | }, | |
b872ab7d BS |
73 | }; |
74 | ||
75 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
76 | { | |
77 | const char *conn, *serialcomm; | |
78 | const struct gpd_model *model; | |
79 | const struct sr_config *src; | |
80 | struct sr_channel *ch; | |
81 | struct sr_channel_group *cg; | |
82 | GSList *l; | |
83 | struct sr_serial_dev_inst *serial; | |
84 | struct sr_dev_inst *sdi; | |
13726d30 | 85 | char reply[100]; |
b872ab7d BS |
86 | unsigned int i; |
87 | struct dev_context *devc; | |
88 | char channel[10]; | |
89 | GRegex *regex; | |
90 | GMatchInfo *match_info; | |
91 | unsigned int cc_cv_ch1, cc_cv_ch2, track1, track2, beep, baud1, baud2; | |
92 | ||
93 | serial = NULL; | |
94 | match_info = NULL; | |
95 | regex = NULL; | |
96 | conn = NULL; | |
97 | serialcomm = NULL; | |
98 | ||
99 | for (l = options; l; l = l->next) { | |
100 | src = l->data; | |
101 | switch (src->key) { | |
102 | case SR_CONF_CONN: | |
103 | conn = g_variant_get_string(src->data, NULL); | |
104 | break; | |
105 | case SR_CONF_SERIALCOMM: | |
106 | serialcomm = g_variant_get_string(src->data, NULL); | |
107 | break; | |
108 | } | |
109 | } | |
110 | ||
111 | if (!conn) | |
112 | return NULL; | |
113 | if (!serialcomm) | |
114 | serialcomm = "115200/8n1"; | |
115 | sr_info("Probing serial port %s.", conn); | |
116 | serial = sr_serial_dev_inst_new(conn, serialcomm); | |
117 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) | |
118 | return NULL; | |
119 | ||
b872ab7d BS |
120 | gpd_send_cmd(serial, "*IDN?\n"); |
121 | if (gpd_receive_reply(serial, reply, sizeof(reply)) != SR_OK) { | |
122 | sr_err("Device did not reply."); | |
123 | goto error; | |
124 | } | |
125 | serial_flush(serial); | |
126 | ||
127 | /* | |
128 | * Returned identification string is for example: | |
129 | * "GW INSTEK,GPD-2303S,SN:ER915277,V2.10" | |
130 | */ | |
131 | regex = g_regex_new("GW INSTEK,(.+),SN:(.+),(V.+)", 0, 0, NULL); | |
132 | if (!g_regex_match(regex, reply, 0, &match_info)) { | |
133 | sr_err("Unsupported model '%s'.", reply); | |
134 | goto error; | |
135 | } | |
136 | ||
137 | model = NULL; | |
138 | for (i = 0; i < ARRAY_SIZE(models); i++) { | |
139 | if (!strcmp(g_match_info_fetch(match_info, 1), models[i].name)) { | |
140 | model = &models[i]; | |
141 | break; | |
142 | } | |
143 | } | |
144 | if (!model) { | |
145 | sr_err("Unsupported model '%s'.", reply); | |
146 | goto error; | |
147 | } | |
148 | ||
149 | sr_info("Detected model '%s'.", model->name); | |
150 | ||
151 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); | |
152 | sdi->status = SR_ST_INACTIVE; | |
153 | sdi->vendor = g_strdup("GW Instek"); | |
154 | sdi->model = g_strdup(model->name); | |
155 | sdi->inst_type = SR_INST_SERIAL; | |
156 | sdi->conn = serial; | |
157 | ||
158 | for (i = 0; i < model->num_channels; i++) { | |
159 | snprintf(channel, sizeof(channel), "CH%d", i + 1); | |
160 | ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, channel); | |
161 | cg = g_malloc(sizeof(struct sr_channel_group)); | |
162 | cg->name = g_strdup(channel); | |
163 | cg->channels = g_slist_append(NULL, ch); | |
164 | cg->priv = NULL; | |
165 | sdi->channel_groups = g_slist_append(sdi->channel_groups, cg); | |
166 | } | |
167 | ||
168 | devc = g_malloc0(sizeof(struct dev_context)); | |
169 | sr_sw_limits_init(&devc->limits); | |
170 | devc->model = model; | |
171 | devc->config = g_malloc0(sizeof(struct per_channel_config) | |
172 | * model->num_channels); | |
173 | sdi->priv = devc; | |
174 | ||
175 | serial_flush(serial); | |
176 | gpd_send_cmd(serial, "STATUS?\n"); | |
177 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
178 | ||
179 | if (sscanf(reply, "%1u%1u%1u%1u%1u%1u%1u%1u", &cc_cv_ch1, | |
180 | &cc_cv_ch2, &track1, &track2, &beep, | |
181 | &devc->output_enabled, &baud1, &baud2) != 8) { | |
13726d30 TK |
182 | /* old firmware (< 2.00?) responds with different format */ |
183 | if (sscanf(reply, "%1u %1u %1u %1u %1u X %1u X", &cc_cv_ch1, | |
184 | &cc_cv_ch2, &track1, &track2, &beep, | |
185 | &devc->output_enabled) != 6) { | |
186 | sr_err("Invalid reply to STATUS: '%s'.", reply); | |
187 | goto error; | |
188 | } | |
189 | /* ignore remaining two lines of status message */ | |
190 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
191 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
b872ab7d BS |
192 | } |
193 | ||
194 | for (i = 0; i < model->num_channels; ++i) { | |
195 | gpd_send_cmd(serial, "ISET%d?\n", i + 1); | |
196 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
197 | if (sscanf(reply, "%f", &devc->config[i].output_current_max) != 1) { | |
198 | sr_err("Invalid reply to ISETn?: '%s'.", reply); | |
199 | goto error; | |
200 | } | |
201 | ||
202 | gpd_send_cmd(serial, "VSET%d?\n", i + 1); | |
203 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
204 | if (sscanf(reply, "%f", &devc->config[i].output_voltage_max) != 1) { | |
205 | sr_err("Invalid reply to VSETn?: '%s'.", reply); | |
206 | goto error; | |
207 | } | |
208 | gpd_send_cmd(serial, "IOUT%d?\n", i + 1); | |
209 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
210 | if (sscanf(reply, "%f", &devc->config[i].output_current_last) != 1) { | |
211 | sr_err("Invalid reply to IOUTn?: '%s'.", reply); | |
212 | goto error; | |
213 | } | |
214 | gpd_send_cmd(serial, "VOUT%d?\n", i + 1); | |
215 | gpd_receive_reply(serial, reply, sizeof(reply)); | |
216 | if (sscanf(reply, "%f", &devc->config[i].output_voltage_last) != 1) { | |
217 | sr_err("Invalid reply to VOUTn?: '%s'.", reply); | |
218 | goto error; | |
219 | } | |
220 | } | |
221 | ||
222 | serial_close(serial); | |
223 | ||
224 | return std_scan_complete(di, g_slist_append(NULL, sdi)); | |
225 | ||
226 | error: | |
227 | if (match_info) | |
228 | g_match_info_free(match_info); | |
229 | if (regex) | |
230 | g_regex_unref(regex); | |
231 | if (serial) | |
232 | serial_close(serial); | |
233 | ||
234 | return NULL; | |
235 | } | |
236 | ||
237 | static int config_get(uint32_t key, GVariant **data, | |
238 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
239 | { | |
5ff77241 | 240 | int channel; |
b872ab7d BS |
241 | const struct dev_context *devc; |
242 | const struct sr_channel *ch; | |
b872ab7d BS |
243 | |
244 | if (!sdi) | |
245 | return SR_ERR_ARG; | |
246 | ||
247 | devc = sdi->priv; | |
248 | ||
249 | if (!cg) { | |
250 | switch (key) { | |
b81cfbc3 TK |
251 | case SR_CONF_LIMIT_SAMPLES: |
252 | case SR_CONF_LIMIT_MSEC: | |
253 | return sr_sw_limits_config_get(&devc->limits, key, data); | |
b872ab7d BS |
254 | case SR_CONF_CHANNEL_CONFIG: |
255 | *data = g_variant_new_string( | |
256 | channel_modes[devc->channel_mode]); | |
257 | break; | |
258 | case SR_CONF_ENABLED: | |
259 | *data = g_variant_new_boolean(devc->output_enabled); | |
260 | break; | |
261 | default: | |
262 | return SR_ERR_NA; | |
263 | } | |
264 | } else { | |
265 | ch = cg->channels->data; | |
266 | channel = ch->index; | |
b872ab7d BS |
267 | switch (key) { |
268 | case SR_CONF_VOLTAGE: | |
269 | *data = g_variant_new_double( | |
270 | devc->config[channel].output_voltage_last); | |
271 | break; | |
272 | case SR_CONF_VOLTAGE_TARGET: | |
273 | *data = g_variant_new_double( | |
274 | devc->config[channel].output_voltage_max); | |
275 | break; | |
276 | case SR_CONF_CURRENT: | |
277 | *data = g_variant_new_double( | |
278 | devc->config[channel].output_current_last); | |
279 | break; | |
280 | case SR_CONF_CURRENT_LIMIT: | |
281 | *data = g_variant_new_double( | |
282 | devc->config[channel].output_current_max); | |
283 | break; | |
284 | default: | |
285 | return SR_ERR_NA; | |
286 | } | |
287 | } | |
288 | ||
5ff77241 | 289 | return SR_OK; |
b872ab7d BS |
290 | } |
291 | ||
292 | static int config_set(uint32_t key, GVariant *data, | |
293 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
294 | { | |
295 | int ret, channel; | |
296 | const struct sr_channel *ch; | |
297 | double dval; | |
298 | gboolean bval; | |
299 | struct dev_context *devc; | |
300 | ||
301 | devc = sdi->priv; | |
b872ab7d BS |
302 | |
303 | ret = SR_OK; | |
304 | ||
305 | switch (key) { | |
306 | case SR_CONF_LIMIT_MSEC: | |
307 | case SR_CONF_LIMIT_SAMPLES: | |
308 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
309 | case SR_CONF_ENABLED: | |
310 | bval = g_variant_get_boolean(data); | |
311 | gpd_send_cmd(sdi->conn, "OUT%c\n", bval ? '1' : '0'); | |
312 | devc->output_enabled = bval; | |
313 | break; | |
314 | case SR_CONF_VOLTAGE_TARGET: | |
315 | ch = cg->channels->data; | |
316 | channel = ch->index; | |
317 | dval = g_variant_get_double(data); | |
318 | if (dval < devc->model->channels[channel].voltage[0] | |
319 | || dval > devc->model->channels[channel].voltage[1]) | |
320 | return SR_ERR_ARG; | |
321 | gpd_send_cmd(sdi->conn, "VSET%d:%05.3lf\n", channel + 1, dval); | |
322 | devc->config[channel].output_voltage_max = dval; | |
323 | break; | |
324 | case SR_CONF_CURRENT_LIMIT: | |
325 | ch = cg->channels->data; | |
326 | channel = ch->index; | |
327 | dval = g_variant_get_double(data); | |
328 | if (dval < devc->model->channels[channel].current[0] | |
329 | || dval > devc->model->channels[channel].current[1]) | |
330 | return SR_ERR_ARG; | |
331 | gpd_send_cmd(sdi->conn, "ISET%d:%05.3lf\n", channel + 1, dval); | |
332 | devc->config[channel].output_current_max = dval; | |
333 | break; | |
334 | default: | |
335 | ret = SR_ERR_NA; | |
336 | break; | |
337 | } | |
338 | ||
339 | return ret; | |
340 | } | |
341 | ||
342 | static int config_list(uint32_t key, GVariant **data, | |
343 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
344 | { | |
345 | const struct dev_context *devc; | |
346 | const struct sr_channel *ch; | |
347 | int channel; | |
348 | ||
349 | devc = (sdi) ? sdi->priv : NULL; | |
350 | ||
351 | if (!cg) { | |
352 | switch (key) { | |
353 | case SR_CONF_SCAN_OPTIONS: | |
354 | case SR_CONF_DEVICE_OPTIONS: | |
355 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, | |
356 | drvopts, devopts); | |
357 | case SR_CONF_CHANNEL_CONFIG: | |
358 | *data = g_variant_new_strv(ARRAY_AND_SIZE(channel_modes)); | |
359 | break; | |
360 | default: | |
361 | return SR_ERR_NA; | |
362 | } | |
363 | } else { | |
364 | ch = cg->channels->data; | |
365 | channel = ch->index; | |
366 | ||
367 | switch (key) { | |
368 | case SR_CONF_DEVICE_OPTIONS: | |
369 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(devopts_cg)); | |
370 | break; | |
371 | case SR_CONF_VOLTAGE_TARGET: | |
372 | *data = std_gvar_min_max_step_array( | |
373 | devc->model->channels[channel].voltage); | |
374 | break; | |
375 | case SR_CONF_CURRENT_LIMIT: | |
376 | *data = std_gvar_min_max_step_array( | |
377 | devc->model->channels[channel].current); | |
378 | break; | |
379 | default: | |
380 | return SR_ERR_NA; | |
381 | } | |
382 | } | |
383 | ||
384 | return SR_OK; | |
385 | } | |
386 | ||
387 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
388 | { | |
389 | struct dev_context *devc; | |
390 | struct sr_serial_dev_inst *serial; | |
391 | ||
b872ab7d BS |
392 | devc = sdi->priv; |
393 | ||
394 | sr_sw_limits_acquisition_start(&devc->limits); | |
395 | std_session_send_df_header(sdi); | |
396 | ||
397 | devc->reply_pending = FALSE; | |
398 | devc->req_sent_at = 0; | |
399 | serial = sdi->conn; | |
400 | serial_source_add(sdi->session, serial, G_IO_IN, 100, | |
401 | gpd_receive_data, (void *)sdi); | |
402 | ||
403 | return SR_OK; | |
404 | } | |
405 | ||
f1e82915 | 406 | static struct sr_dev_driver gwinstek_gpd_driver_info = { |
b872ab7d BS |
407 | .name = "gwinstek-gpd", |
408 | .longname = "GW Instek GPD", | |
409 | .api_version = 1, | |
410 | .init = std_init, | |
411 | .cleanup = std_cleanup, | |
412 | .scan = scan, | |
413 | .dev_list = std_dev_list, | |
414 | .dev_clear = std_dev_clear, | |
415 | .config_get = config_get, | |
416 | .config_set = config_set, | |
417 | .config_list = config_list, | |
418 | .dev_open = std_serial_dev_open, | |
419 | .dev_close = std_serial_dev_close, | |
420 | .dev_acquisition_start = dev_acquisition_start, | |
421 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, | |
422 | .context = NULL, | |
423 | }; | |
424 | SR_REGISTER_DEV_DRIVER(gwinstek_gpd_driver_info); |