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06a3e78a DJ |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 poljar (Damir Jelić) <poljarinho@gmail.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 | ||
6ec6c43b | 20 | #include <config.h> |
13f2b9d7 | 21 | #include <stdlib.h> |
5a1afc09 | 22 | #include "scpi.h" |
06a3e78a DJ |
23 | #include "protocol.h" |
24 | ||
13f2b9d7 DJ |
25 | #define SERIALCOMM "115200/8n1/flow=1" |
26 | ||
dd5c48a6 | 27 | static struct sr_dev_driver hameg_hmo_driver_info; |
e9a62139 DJ |
28 | |
29 | static const char *manufacturers[] = { | |
30 | "HAMEG", | |
da1726cc | 31 | "Rohde&Schwarz", |
e9a62139 DJ |
32 | }; |
33 | ||
584560f1 | 34 | static const uint32_t scanopts[] = { |
13f2b9d7 DJ |
35 | SR_CONF_CONN, |
36 | SR_CONF_SERIALCOMM, | |
37 | }; | |
38 | ||
55fb76b3 UH |
39 | static const uint32_t drvopts[] = { |
40 | SR_CONF_OSCILLOSCOPE, | |
41 | }; | |
42 | ||
719eff68 | 43 | enum { |
61e77667 UH |
44 | CG_INVALID = -1, |
45 | CG_NONE, | |
46 | CG_ANALOG, | |
47 | CG_DIGITAL, | |
719eff68 UH |
48 | }; |
49 | ||
373e92a4 | 50 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
e9a62139 DJ |
51 | { |
52 | struct sr_dev_inst *sdi; | |
53 | struct dev_context *devc; | |
54 | struct sr_scpi_hw_info *hw_info; | |
e9a62139 DJ |
55 | |
56 | sdi = NULL; | |
57 | devc = NULL; | |
e9a62139 DJ |
58 | hw_info = NULL; |
59 | ||
e9a62139 DJ |
60 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { |
61 | sr_info("Couldn't get IDN response."); | |
62 | goto fail; | |
63 | } | |
64 | ||
697fb6dd | 65 | if (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0) |
e9a62139 DJ |
66 | goto fail; |
67 | ||
aac29cc1 | 68 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
69 | sdi->vendor = g_strdup(hw_info->manufacturer); |
70 | sdi->model = g_strdup(hw_info->model); | |
71 | sdi->version = g_strdup(hw_info->firmware_version); | |
72 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
4f840ce9 | 73 | sdi->driver = &hameg_hmo_driver_info; |
b33db61c SA |
74 | sdi->inst_type = SR_INST_SCPI; |
75 | sdi->conn = scpi; | |
b33db61c | 76 | |
e9a62139 DJ |
77 | sr_scpi_hw_info_free(hw_info); |
78 | hw_info = NULL; | |
79 | ||
f57d8ffe | 80 | devc = g_malloc0(sizeof(struct dev_context)); |
e9a62139 | 81 | |
e9a62139 | 82 | sdi->priv = devc; |
e9a62139 DJ |
83 | |
84 | if (hmo_init_device(sdi) != SR_OK) | |
85 | goto fail; | |
86 | ||
87 | return sdi; | |
88 | ||
89 | fail: | |
7b365c47 | 90 | sr_scpi_hw_info_free(hw_info); |
4bf93988 | 91 | sr_dev_inst_free(sdi); |
b1f83103 | 92 | g_free(devc); |
e9a62139 DJ |
93 | |
94 | return NULL; | |
95 | } | |
96 | ||
4f840ce9 | 97 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
06a3e78a | 98 | { |
373e92a4 | 99 | return sr_scpi_scan(di->context, options, probe_device); |
06a3e78a DJ |
100 | } |
101 | ||
3553451f | 102 | static void clear_helper(struct dev_context *devc) |
13f2b9d7 | 103 | { |
719eff68 | 104 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 DJ |
105 | g_free(devc->analog_groups); |
106 | g_free(devc->digital_groups); | |
13f2b9d7 DJ |
107 | } |
108 | ||
4f840ce9 | 109 | static int dev_clear(const struct sr_dev_driver *di) |
06a3e78a | 110 | { |
3553451f | 111 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
06a3e78a DJ |
112 | } |
113 | ||
114 | static int dev_open(struct sr_dev_inst *sdi) | |
115 | { | |
6402c379 | 116 | if (sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 117 | return SR_ERR; |
06a3e78a | 118 | |
719eff68 | 119 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 120 | return SR_ERR; |
06a3e78a | 121 | |
06a3e78a DJ |
122 | return SR_OK; |
123 | } | |
124 | ||
125 | static int dev_close(struct sr_dev_inst *sdi) | |
126 | { | |
f1ba6b4b | 127 | return sr_scpi_close(sdi->conn); |
06a3e78a DJ |
128 | } |
129 | ||
660e398f | 130 | static int check_channel_group(struct dev_context *devc, |
53b4680f | 131 | const struct sr_channel_group *cg) |
13f2b9d7 DJ |
132 | { |
133 | unsigned int i; | |
329733d9 | 134 | const struct scope_config *model; |
13f2b9d7 DJ |
135 | |
136 | model = devc->model_config; | |
137 | ||
53b4680f | 138 | if (!cg) |
61e77667 | 139 | return CG_NONE; |
13f2b9d7 | 140 | |
0a1f7b09 | 141 | for (i = 0; i < model->analog_channels; i++) |
562b7ae5 | 142 | if (cg == devc->analog_groups[i]) |
61e77667 | 143 | return CG_ANALOG; |
13f2b9d7 | 144 | |
0a1f7b09 | 145 | for (i = 0; i < model->digital_pods; i++) |
562b7ae5 | 146 | if (cg == devc->digital_groups[i]) |
61e77667 | 147 | return CG_DIGITAL; |
13f2b9d7 | 148 | |
660e398f | 149 | sr_err("Invalid channel group specified."); |
89280b1a | 150 | |
61e77667 | 151 | return CG_INVALID; |
13f2b9d7 DJ |
152 | } |
153 | ||
dd7a72ea UH |
154 | static int config_get(uint32_t key, GVariant **data, |
155 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 156 | { |
758906aa | 157 | int cg_type; |
13f2b9d7 | 158 | unsigned int i; |
13f2b9d7 | 159 | struct dev_context *devc; |
329733d9 | 160 | const struct scope_config *model; |
14a2f74d | 161 | struct scope_state *state; |
13f2b9d7 | 162 | |
709468ba | 163 | if (!sdi) |
13f2b9d7 DJ |
164 | return SR_ERR_ARG; |
165 | ||
709468ba UH |
166 | devc = sdi->priv; |
167 | ||
61e77667 | 168 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 | 169 | return SR_ERR; |
06a3e78a | 170 | |
13f2b9d7 | 171 | model = devc->model_config; |
14a2f74d | 172 | state = devc->model_state; |
06a3e78a | 173 | |
06a3e78a | 174 | switch (key) { |
bf622e6d | 175 | case SR_CONF_NUM_HDIV: |
13f2b9d7 | 176 | *data = g_variant_new_int32(model->num_xdivs); |
13f2b9d7 | 177 | break; |
3fd2dca2 DJ |
178 | case SR_CONF_TIMEBASE: |
179 | *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], | |
180 | (*model->timebases)[state->timebase][1]); | |
3fd2dca2 | 181 | break; |
13f2b9d7 | 182 | case SR_CONF_NUM_VDIV: |
61e77667 | 183 | if (cg_type == CG_NONE) { |
660e398f | 184 | return SR_ERR_CHANNEL_GROUP; |
61e77667 | 185 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 186 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 187 | if (cg != devc->analog_groups[i]) |
082972e8 UH |
188 | continue; |
189 | *data = g_variant_new_int32(model->num_ydivs); | |
082972e8 | 190 | break; |
13f2b9d7 | 191 | } |
3fd2dca2 | 192 | } else { |
758906aa | 193 | return SR_ERR_NA; |
3fd2dca2 DJ |
194 | } |
195 | break; | |
196 | case SR_CONF_VDIV: | |
61e77667 | 197 | if (cg_type == CG_NONE) { |
61e77667 UH |
198 | return SR_ERR_CHANNEL_GROUP; |
199 | } else if (cg_type == CG_ANALOG) { | |
0a1f7b09 | 200 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 201 | if (cg != devc->analog_groups[i]) |
3fd2dca2 DJ |
202 | continue; |
203 | *data = g_variant_new("(tt)", | |
204 | (*model->vdivs)[state->analog_channels[i].vdiv][0], | |
205 | (*model->vdivs)[state->analog_channels[i].vdiv][1]); | |
3fd2dca2 DJ |
206 | break; |
207 | } | |
ccf14618 | 208 | } else { |
758906aa | 209 | return SR_ERR_NA; |
ccf14618 DJ |
210 | } |
211 | break; | |
212 | case SR_CONF_TRIGGER_SOURCE: | |
213 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
ccf14618 | 214 | break; |
3fd2dca2 DJ |
215 | case SR_CONF_TRIGGER_SLOPE: |
216 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
3fd2dca2 DJ |
217 | break; |
218 | case SR_CONF_HORIZ_TRIGGERPOS: | |
219 | *data = g_variant_new_double(state->horiz_triggerpos); | |
3fd2dca2 | 220 | break; |
ccf14618 | 221 | case SR_CONF_COUPLING: |
61e77667 | 222 | if (cg_type == CG_NONE) { |
660e398f | 223 | return SR_ERR_CHANNEL_GROUP; |
61e77667 | 224 | } else if (cg_type == CG_ANALOG) { |
0a1f7b09 | 225 | for (i = 0; i < model->analog_channels; i++) { |
562b7ae5 | 226 | if (cg != devc->analog_groups[i]) |
ccf14618 DJ |
227 | continue; |
228 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[i].coupling]); | |
ccf14618 DJ |
229 | break; |
230 | } | |
13f2b9d7 | 231 | } else { |
758906aa | 232 | return SR_ERR_NA; |
13f2b9d7 DJ |
233 | } |
234 | break; | |
14a2f74d DJ |
235 | case SR_CONF_SAMPLERATE: |
236 | *data = g_variant_new_uint64(state->sample_rate); | |
14a2f74d | 237 | break; |
06a3e78a | 238 | default: |
758906aa | 239 | return SR_ERR_NA; |
06a3e78a DJ |
240 | } |
241 | ||
758906aa | 242 | return SR_OK; |
06a3e78a DJ |
243 | } |
244 | ||
dd7a72ea UH |
245 | static int config_set(uint32_t key, GVariant *data, |
246 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 247 | { |
697fb6dd | 248 | int ret, cg_type, idx; |
89280b1a | 249 | unsigned int i, j; |
965b463d | 250 | char command[MAX_COMMAND_SIZE], float_str[30]; |
13f2b9d7 | 251 | struct dev_context *devc; |
329733d9 | 252 | const struct scope_config *model; |
13f2b9d7 | 253 | struct scope_state *state; |
89280b1a | 254 | const char *tmp; |
89280b1a | 255 | double tmp_d; |
23e1ea7a | 256 | gboolean update_sample_rate; |
06a3e78a | 257 | |
b0baddef | 258 | if (!sdi) |
13f2b9d7 DJ |
259 | return SR_ERR_ARG; |
260 | ||
b0baddef UH |
261 | devc = sdi->priv; |
262 | ||
61e77667 | 263 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 DJ |
264 | return SR_ERR; |
265 | ||
266 | model = devc->model_config; | |
267 | state = devc->model_state; | |
23e1ea7a | 268 | update_sample_rate = FALSE; |
13f2b9d7 DJ |
269 | |
270 | ret = SR_ERR_NA; | |
06a3e78a | 271 | |
06a3e78a | 272 | switch (key) { |
13f2b9d7 DJ |
273 | case SR_CONF_LIMIT_FRAMES: |
274 | devc->frame_limit = g_variant_get_uint64(data); | |
275 | ret = SR_OK; | |
276 | break; | |
13f2b9d7 | 277 | case SR_CONF_TRIGGER_SOURCE: |
13f2b9d7 | 278 | tmp = g_variant_get_string(data, NULL); |
692716f5 | 279 | for (i = 0; i < model->num_trigger_sources; i++) { |
082972e8 UH |
280 | if (g_strcmp0(tmp, (*model->trigger_sources)[i]) != 0) |
281 | continue; | |
282 | state->trigger_source = i; | |
283 | g_snprintf(command, sizeof(command), | |
284 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
285 | (*model->trigger_sources)[i]); | |
13f2b9d7 | 286 | |
082972e8 UH |
287 | ret = sr_scpi_send(sdi->conn, command); |
288 | break; | |
13f2b9d7 | 289 | } |
89280b1a | 290 | break; |
13f2b9d7 | 291 | case SR_CONF_VDIV: |
87dc5410 | 292 | if (cg_type == CG_NONE) |
660e398f | 293 | return SR_ERR_CHANNEL_GROUP; |
697fb6dd UH |
294 | if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0) |
295 | return SR_ERR_ARG; | |
296 | for (j = 1; j <= model->analog_channels; j++) { | |
297 | if (cg != devc->analog_groups[j - 1]) | |
082972e8 | 298 | continue; |
697fb6dd UH |
299 | state->analog_channels[j - 1].vdiv = idx; |
300 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
301 | (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); | |
302 | g_snprintf(command, sizeof(command), | |
303 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
304 | j, float_str); | |
305 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
306 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
307 | return SR_ERR; | |
082972e8 | 308 | break; |
13f2b9d7 | 309 | } |
697fb6dd | 310 | ret = SR_OK; |
89280b1a | 311 | break; |
13f2b9d7 | 312 | case SR_CONF_TIMEBASE: |
697fb6dd UH |
313 | if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0) |
314 | return SR_ERR_ARG; | |
315 | state->timebase = idx; | |
316 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
317 | (float) (*model->timebases)[idx][0] / (*model->timebases)[idx][1]); | |
318 | g_snprintf(command, sizeof(command), | |
319 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
320 | float_str); | |
321 | ret = sr_scpi_send(sdi->conn, command); | |
322 | update_sample_rate = TRUE; | |
89280b1a | 323 | break; |
13f2b9d7 | 324 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 325 | tmp_d = g_variant_get_double(data); |
13f2b9d7 | 326 | |
89280b1a | 327 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 DJ |
328 | return SR_ERR; |
329 | ||
422a1c0d DJ |
330 | state->horiz_triggerpos = tmp_d; |
331 | tmp_d = -(tmp_d - 0.5) * | |
332 | ((double) (*model->timebases)[state->timebase][0] / | |
333 | (*model->timebases)[state->timebase][1]) | |
334 | * model->num_xdivs; | |
335 | ||
336 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); | |
13f2b9d7 DJ |
337 | g_snprintf(command, sizeof(command), |
338 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
422a1c0d | 339 | float_str); |
13f2b9d7 DJ |
340 | |
341 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 342 | break; |
13f2b9d7 | 343 | case SR_CONF_TRIGGER_SLOPE: |
ca9b9f48 | 344 | tmp = g_variant_get_string(data, NULL); |
692716f5 | 345 | for (i = 0; i < model->num_trigger_slopes; i++) { |
e3abd15d SB |
346 | if (g_strcmp0(tmp, (*model->trigger_slopes)[i]) != 0) |
347 | continue; | |
348 | state->trigger_slope = i; | |
349 | g_snprintf(command, sizeof(command), | |
350 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
351 | (*model->trigger_slopes)[i]); | |
13f2b9d7 | 352 | |
e3abd15d SB |
353 | ret = sr_scpi_send(sdi->conn, command); |
354 | break; | |
355 | } | |
89280b1a | 356 | break; |
13f2b9d7 | 357 | case SR_CONF_COUPLING: |
87dc5410 | 358 | if (cg_type == CG_NONE) |
660e398f | 359 | return SR_ERR_CHANNEL_GROUP; |
13f2b9d7 DJ |
360 | |
361 | tmp = g_variant_get_string(data, NULL); | |
362 | ||
692716f5 | 363 | for (i = 0; i < model->num_coupling_options; i++) { |
082972e8 UH |
364 | if (strcmp(tmp, (*model->coupling_options)[i]) != 0) |
365 | continue; | |
0a1f7b09 | 366 | for (j = 1; j <= model->analog_channels; j++) { |
562b7ae5 | 367 | if (cg != devc->analog_groups[j - 1]) |
082972e8 UH |
368 | continue; |
369 | state->analog_channels[j-1].coupling = i; | |
13f2b9d7 | 370 | |
082972e8 UH |
371 | g_snprintf(command, sizeof(command), |
372 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
373 | j, tmp); | |
374 | ||
375 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
376 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
377 | return SR_ERR; | |
13f2b9d7 DJ |
378 | break; |
379 | } | |
082972e8 UH |
380 | |
381 | ret = SR_OK; | |
382 | break; | |
13f2b9d7 | 383 | } |
89280b1a | 384 | break; |
06a3e78a DJ |
385 | default: |
386 | ret = SR_ERR_NA; | |
13f2b9d7 | 387 | break; |
06a3e78a DJ |
388 | } |
389 | ||
13f2b9d7 DJ |
390 | if (ret == SR_OK) |
391 | ret = sr_scpi_get_opc(sdi->conn); | |
392 | ||
23e1ea7a DJ |
393 | if (ret == SR_OK && update_sample_rate) |
394 | ret = hmo_update_sample_rate(sdi); | |
395 | ||
06a3e78a DJ |
396 | return ret; |
397 | } | |
398 | ||
dd7a72ea UH |
399 | static int config_list(uint32_t key, GVariant **data, |
400 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 401 | { |
6ec3ef9b AJ |
402 | int cg_type = CG_NONE; |
403 | struct dev_context *devc = NULL; | |
329733d9 | 404 | const struct scope_config *model = NULL; |
13f2b9d7 | 405 | |
4d399734 UH |
406 | if (sdi) { |
407 | devc = sdi->priv; | |
6ec3ef9b AJ |
408 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
409 | return SR_ERR; | |
13f2b9d7 | 410 | |
6ec3ef9b AJ |
411 | model = devc->model_config; |
412 | } | |
06a3e78a | 413 | |
06a3e78a | 414 | switch (key) { |
226363c4 | 415 | case SR_CONF_SCAN_OPTIONS: |
53012da6 | 416 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(scanopts)); |
226363c4 | 417 | break; |
13f2b9d7 | 418 | case SR_CONF_DEVICE_OPTIONS: |
61e77667 | 419 | if (cg_type == CG_NONE) { |
6ec3ef9b | 420 | if (model) |
105df674 | 421 | *data = std_gvar_array_u32((const uint32_t *)model->devopts, model->num_devopts); |
6ec3ef9b | 422 | else |
53012da6 | 423 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(drvopts)); |
61e77667 | 424 | } else if (cg_type == CG_ANALOG) { |
105df674 | 425 | *data = std_gvar_array_u32((const uint32_t *)model->devopts_cg_analog, model->num_devopts_cg_analog); |
13f2b9d7 | 426 | } else { |
105df674 | 427 | *data = std_gvar_array_u32(NULL, 0); |
13f2b9d7 DJ |
428 | } |
429 | break; | |
13f2b9d7 | 430 | case SR_CONF_COUPLING: |
61e77667 | 431 | if (cg_type == CG_NONE) |
660e398f | 432 | return SR_ERR_CHANNEL_GROUP; |
692716f5 | 433 | *data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options); |
13f2b9d7 | 434 | break; |
13f2b9d7 | 435 | case SR_CONF_TRIGGER_SOURCE: |
6ec3ef9b AJ |
436 | if (!model) |
437 | return SR_ERR_ARG; | |
692716f5 | 438 | *data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources); |
13f2b9d7 | 439 | break; |
bbabdaf1 | 440 | case SR_CONF_TRIGGER_SLOPE: |
6ec3ef9b AJ |
441 | if (!model) |
442 | return SR_ERR_ARG; | |
692716f5 | 443 | *data = g_variant_new_strv(*model->trigger_slopes, model->num_trigger_slopes); |
bbabdaf1 | 444 | break; |
13f2b9d7 | 445 | case SR_CONF_TIMEBASE: |
6ec3ef9b AJ |
446 | if (!model) |
447 | return SR_ERR_ARG; | |
58ffcf97 | 448 | *data = std_gvar_tuple_array(*model->timebases, model->num_timebases); |
13f2b9d7 | 449 | break; |
13f2b9d7 | 450 | case SR_CONF_VDIV: |
61e77667 | 451 | if (cg_type == CG_NONE) |
660e398f | 452 | return SR_ERR_CHANNEL_GROUP; |
58ffcf97 | 453 | *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs); |
13f2b9d7 | 454 | break; |
06a3e78a DJ |
455 | default: |
456 | return SR_ERR_NA; | |
457 | } | |
458 | ||
13f2b9d7 | 459 | return SR_OK; |
06a3e78a DJ |
460 | } |
461 | ||
13f2b9d7 | 462 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 463 | { |
13f2b9d7 | 464 | char command[MAX_COMMAND_SIZE]; |
ba7dd8bb | 465 | struct sr_channel *ch; |
13f2b9d7 | 466 | struct dev_context *devc; |
329733d9 | 467 | const struct scope_config *model; |
13f2b9d7 DJ |
468 | |
469 | devc = sdi->priv; | |
470 | model = devc->model_config; | |
471 | ||
ba7dd8bb | 472 | ch = devc->current_channel->data; |
13f2b9d7 | 473 | |
ba7dd8bb | 474 | switch (ch->type) { |
3f239f08 | 475 | case SR_CHANNEL_ANALOG: |
13f2b9d7 DJ |
476 | g_snprintf(command, sizeof(command), |
477 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
65a6794e GS |
478 | #ifdef WORDS_BIGENDIAN |
479 | "MSBF", | |
480 | #else | |
481 | "LSBF", | |
482 | #endif | |
ba7dd8bb | 483 | ch->index + 1); |
13f2b9d7 | 484 | break; |
3f239f08 | 485 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
486 | g_snprintf(command, sizeof(command), |
487 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
ba7dd8bb | 488 | ch->index < 8 ? 1 : 2); |
13f2b9d7 DJ |
489 | break; |
490 | default: | |
ba7dd8bb | 491 | sr_err("Invalid channel type."); |
13f2b9d7 DJ |
492 | break; |
493 | } | |
494 | ||
495 | return sr_scpi_send(sdi->conn, command); | |
496 | } | |
497 | ||
ba7dd8bb | 498 | static int hmo_check_channels(GSList *channels) |
13f2b9d7 DJ |
499 | { |
500 | GSList *l; | |
ba7dd8bb | 501 | struct sr_channel *ch; |
4889acef GS |
502 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; |
503 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
504 | size_t idx; | |
505 | ||
506 | /* Preset "not enabled" for all channels / pods. */ | |
507 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
508 | enabled_chan[idx] = FALSE; | |
509 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
510 | enabled_pod[idx] = FALSE; | |
511 | ||
512 | /* | |
513 | * Determine which channels / pods are required for the caller's | |
514 | * specified configuration. | |
515 | */ | |
ba7dd8bb UH |
516 | for (l = channels; l; l = l->next) { |
517 | ch = l->data; | |
518 | switch (ch->type) { | |
3f239f08 | 519 | case SR_CHANNEL_ANALOG: |
4889acef GS |
520 | idx = ch->index; |
521 | if (idx < ARRAY_SIZE(enabled_chan)) | |
522 | enabled_chan[idx] = TRUE; | |
13f2b9d7 | 523 | break; |
3f239f08 | 524 | case SR_CHANNEL_LOGIC: |
4889acef GS |
525 | idx = ch->index / 8; |
526 | if (idx < ARRAY_SIZE(enabled_pod)) | |
527 | enabled_pod[idx] = TRUE; | |
13f2b9d7 | 528 | break; |
13f2b9d7 DJ |
529 | default: |
530 | return SR_ERR; | |
531 | } | |
532 | } | |
533 | ||
4889acef GS |
534 | /* |
535 | * Check for resource conflicts. Some channels can be either | |
536 | * analog or digital, but never both at the same time. | |
537 | * | |
538 | * Note that the constraints might depend on the specific model. | |
539 | * These tests might need some adjustment when support for more | |
540 | * models gets added to the driver. | |
541 | */ | |
542 | if (enabled_pod[0] && enabled_chan[2]) | |
543 | return SR_ERR; | |
544 | if (enabled_pod[1] && enabled_chan[3]) | |
13f2b9d7 | 545 | return SR_ERR; |
13f2b9d7 DJ |
546 | return SR_OK; |
547 | } | |
548 | ||
ba7dd8bb | 549 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
550 | { |
551 | GSList *l; | |
552 | unsigned int i; | |
23e1ea7a | 553 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 554 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 | 555 | struct scope_state *state; |
329733d9 | 556 | const struct scope_config *model; |
ba7dd8bb | 557 | struct sr_channel *ch; |
13f2b9d7 | 558 | struct dev_context *devc; |
23f43dff | 559 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
560 | |
561 | devc = sdi->priv; | |
23f43dff | 562 | scpi = sdi->conn; |
13f2b9d7 DJ |
563 | state = devc->model_state; |
564 | model = devc->model_config; | |
23e1ea7a | 565 | setup_changed = FALSE; |
13f2b9d7 DJ |
566 | |
567 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
568 | ||
ba7dd8bb UH |
569 | for (l = sdi->channels; l; l = l->next) { |
570 | ch = l->data; | |
571 | switch (ch->type) { | |
3f239f08 | 572 | case SR_CHANNEL_ANALOG: |
ba7dd8bb | 573 | if (ch->enabled == state->analog_channels[ch->index].state) |
082972e8 UH |
574 | break; |
575 | g_snprintf(command, sizeof(command), | |
576 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
ba7dd8bb | 577 | ch->index + 1, ch->enabled); |
13f2b9d7 | 578 | |
23f43dff | 579 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 580 | return SR_ERR; |
ba7dd8bb | 581 | state->analog_channels[ch->index].state = ch->enabled; |
23e1ea7a | 582 | setup_changed = TRUE; |
89280b1a | 583 | break; |
3f239f08 | 584 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
585 | /* |
586 | * A digital POD needs to be enabled for every group of | |
ba7dd8bb | 587 | * 8 channels. |
13f2b9d7 | 588 | */ |
ba7dd8bb UH |
589 | if (ch->enabled) |
590 | pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; | |
13f2b9d7 | 591 | |
ba7dd8bb | 592 | if (ch->enabled == state->digital_channels[ch->index]) |
082972e8 UH |
593 | break; |
594 | g_snprintf(command, sizeof(command), | |
595 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
ba7dd8bb | 596 | ch->index, ch->enabled); |
13f2b9d7 | 597 | |
23f43dff | 598 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 599 | return SR_ERR; |
13f2b9d7 | 600 | |
ba7dd8bb | 601 | state->digital_channels[ch->index] = ch->enabled; |
23e1ea7a | 602 | setup_changed = TRUE; |
89280b1a | 603 | break; |
13f2b9d7 DJ |
604 | default: |
605 | return SR_ERR; | |
606 | } | |
607 | } | |
608 | ||
0a1f7b09 | 609 | for (i = 1; i <= model->digital_pods; i++) { |
082972e8 UH |
610 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
611 | continue; | |
612 | g_snprintf(command, sizeof(command), | |
613 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
614 | i, pod_enabled[i - 1]); | |
23f43dff | 615 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
616 | return SR_ERR; |
617 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
23e1ea7a | 618 | setup_changed = TRUE; |
13f2b9d7 DJ |
619 | } |
620 | ||
621 | g_free(pod_enabled); | |
622 | ||
23e1ea7a DJ |
623 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
624 | return SR_ERR; | |
625 | ||
13f2b9d7 DJ |
626 | return SR_OK; |
627 | } | |
628 | ||
695dc859 | 629 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
630 | { |
631 | GSList *l; | |
1b0f62df | 632 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; |
e06875b2 | 633 | size_t group, pod_count; |
ba7dd8bb | 634 | struct sr_channel *ch; |
13f2b9d7 | 635 | struct dev_context *devc; |
23f43dff | 636 | struct sr_scpi_dev_inst *scpi; |
40a75c8e | 637 | int ret; |
06a3e78a | 638 | |
23f43dff | 639 | scpi = sdi->conn; |
13f2b9d7 | 640 | devc = sdi->priv; |
13f2b9d7 | 641 | |
1b0f62df GS |
642 | /* Preset empty results. */ |
643 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
644 | digital_added[group] = FALSE; | |
db81fbb5 SA |
645 | g_slist_free(devc->enabled_channels); |
646 | devc->enabled_channels = NULL; | |
647 | ||
1b0f62df | 648 | /* |
e06875b2 GS |
649 | * Contruct the list of enabled channels. Determine the highest |
650 | * number of digital pods involved in the acquisition. | |
1b0f62df | 651 | */ |
e06875b2 | 652 | pod_count = 0; |
ba7dd8bb UH |
653 | for (l = sdi->channels; l; l = l->next) { |
654 | ch = l->data; | |
655 | if (!ch->enabled) | |
082972e8 | 656 | continue; |
1b0f62df GS |
657 | /* Only add a single digital channel per group (pod). */ |
658 | group = ch->index / 8; | |
659 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
ba7dd8bb UH |
660 | devc->enabled_channels = g_slist_append( |
661 | devc->enabled_channels, ch); | |
e06875b2 | 662 | if (ch->type == SR_CHANNEL_LOGIC) { |
1b0f62df | 663 | digital_added[group] = TRUE; |
e06875b2 GS |
664 | if (pod_count < group + 1) |
665 | pod_count = group + 1; | |
666 | } | |
13f2b9d7 DJ |
667 | } |
668 | } | |
ba7dd8bb | 669 | if (!devc->enabled_channels) |
13f2b9d7 | 670 | return SR_ERR; |
e06875b2 GS |
671 | devc->pod_count = pod_count; |
672 | devc->logic_data = NULL; | |
13f2b9d7 | 673 | |
1b0f62df GS |
674 | /* |
675 | * Check constraints. Some channels can be either analog or | |
676 | * digital, but not both at the same time. | |
677 | */ | |
ba7dd8bb UH |
678 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { |
679 | sr_err("Invalid channel configuration specified!"); | |
40a75c8e GS |
680 | ret = SR_ERR_NA; |
681 | goto free_enabled; | |
13f2b9d7 DJ |
682 | } |
683 | ||
1b0f62df GS |
684 | /* |
685 | * Configure the analog and digital channels and the | |
686 | * corresponding digital pods. | |
687 | */ | |
ba7dd8bb UH |
688 | if (hmo_setup_channels(sdi) != SR_OK) { |
689 | sr_err("Failed to setup channel configuration!"); | |
40a75c8e GS |
690 | ret = SR_ERR; |
691 | goto free_enabled; | |
13f2b9d7 DJ |
692 | } |
693 | ||
1b0f62df GS |
694 | /* |
695 | * Start acquisition on the first enabled channel. The | |
696 | * receive routine will continue driving the acquisition. | |
697 | */ | |
102f1239 BV |
698 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, |
699 | hmo_receive_data, (void *)sdi); | |
13f2b9d7 | 700 | |
bee2b016 | 701 | std_session_send_df_header(sdi); |
13f2b9d7 | 702 | |
ba7dd8bb | 703 | devc->current_channel = devc->enabled_channels; |
13f2b9d7 DJ |
704 | |
705 | return hmo_request_data(sdi); | |
40a75c8e GS |
706 | |
707 | free_enabled: | |
708 | g_slist_free(devc->enabled_channels); | |
709 | devc->enabled_channels = NULL; | |
710 | return ret; | |
06a3e78a DJ |
711 | } |
712 | ||
695dc859 | 713 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
06a3e78a | 714 | { |
13f2b9d7 | 715 | struct dev_context *devc; |
23f43dff | 716 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 717 | |
bee2b016 | 718 | std_session_send_df_end(sdi); |
66e3219d | 719 | |
13f2b9d7 DJ |
720 | devc = sdi->priv; |
721 | ||
ef1a346b | 722 | devc->num_frames = 0; |
ba7dd8bb UH |
723 | g_slist_free(devc->enabled_channels); |
724 | devc->enabled_channels = NULL; | |
23f43dff | 725 | scpi = sdi->conn; |
102f1239 | 726 | sr_scpi_source_remove(sdi->session, scpi); |
06a3e78a DJ |
727 | |
728 | return SR_OK; | |
729 | } | |
730 | ||
dd5c48a6 | 731 | static struct sr_dev_driver hameg_hmo_driver_info = { |
06a3e78a | 732 | .name = "hameg-hmo", |
89280b1a | 733 | .longname = "Hameg HMO", |
06a3e78a | 734 | .api_version = 1, |
c2fdcc25 | 735 | .init = std_init, |
700d6b64 | 736 | .cleanup = std_cleanup, |
06a3e78a | 737 | .scan = scan, |
c01bf34c | 738 | .dev_list = std_dev_list, |
06a3e78a DJ |
739 | .dev_clear = dev_clear, |
740 | .config_get = config_get, | |
741 | .config_set = config_set, | |
742 | .config_list = config_list, | |
743 | .dev_open = dev_open, | |
744 | .dev_close = dev_close, | |
745 | .dev_acquisition_start = dev_acquisition_start, | |
746 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 747 | .context = NULL, |
06a3e78a | 748 | }; |
dd5c48a6 | 749 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |