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Commit | Line | Data |
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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); |
13f2b9d7 | 279 | for (i = 0; (*model->trigger_sources)[i]; 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); |
e3abd15d SB |
345 | for (i = 0; (*model->trigger_slopes)[i]; i++) { |
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 | ||
363 | for (i = 0; (*model->coupling_options)[i]; 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; |
13f2b9d7 | 433 | *data = g_variant_new_strv(*model->coupling_options, |
89280b1a | 434 | g_strv_length((char **)*model->coupling_options)); |
13f2b9d7 | 435 | break; |
13f2b9d7 | 436 | case SR_CONF_TRIGGER_SOURCE: |
6ec3ef9b AJ |
437 | if (!model) |
438 | return SR_ERR_ARG; | |
13f2b9d7 | 439 | *data = g_variant_new_strv(*model->trigger_sources, |
89280b1a | 440 | g_strv_length((char **)*model->trigger_sources)); |
13f2b9d7 | 441 | break; |
bbabdaf1 | 442 | case SR_CONF_TRIGGER_SLOPE: |
6ec3ef9b AJ |
443 | if (!model) |
444 | return SR_ERR_ARG; | |
bbabdaf1 DJ |
445 | *data = g_variant_new_strv(*model->trigger_slopes, |
446 | g_strv_length((char **)*model->trigger_slopes)); | |
447 | break; | |
13f2b9d7 | 448 | case SR_CONF_TIMEBASE: |
6ec3ef9b AJ |
449 | if (!model) |
450 | return SR_ERR_ARG; | |
58ffcf97 | 451 | *data = std_gvar_tuple_array(*model->timebases, model->num_timebases); |
13f2b9d7 | 452 | break; |
13f2b9d7 | 453 | case SR_CONF_VDIV: |
61e77667 | 454 | if (cg_type == CG_NONE) |
660e398f | 455 | return SR_ERR_CHANNEL_GROUP; |
58ffcf97 | 456 | *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs); |
13f2b9d7 | 457 | break; |
06a3e78a DJ |
458 | default: |
459 | return SR_ERR_NA; | |
460 | } | |
461 | ||
13f2b9d7 | 462 | return SR_OK; |
06a3e78a DJ |
463 | } |
464 | ||
13f2b9d7 | 465 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 466 | { |
13f2b9d7 | 467 | char command[MAX_COMMAND_SIZE]; |
ba7dd8bb | 468 | struct sr_channel *ch; |
13f2b9d7 | 469 | struct dev_context *devc; |
329733d9 | 470 | const struct scope_config *model; |
13f2b9d7 DJ |
471 | |
472 | devc = sdi->priv; | |
473 | model = devc->model_config; | |
474 | ||
ba7dd8bb | 475 | ch = devc->current_channel->data; |
13f2b9d7 | 476 | |
ba7dd8bb | 477 | switch (ch->type) { |
3f239f08 | 478 | case SR_CHANNEL_ANALOG: |
13f2b9d7 DJ |
479 | g_snprintf(command, sizeof(command), |
480 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
65a6794e GS |
481 | #ifdef WORDS_BIGENDIAN |
482 | "MSBF", | |
483 | #else | |
484 | "LSBF", | |
485 | #endif | |
ba7dd8bb | 486 | ch->index + 1); |
13f2b9d7 | 487 | break; |
3f239f08 | 488 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
489 | g_snprintf(command, sizeof(command), |
490 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
ba7dd8bb | 491 | ch->index < 8 ? 1 : 2); |
13f2b9d7 DJ |
492 | break; |
493 | default: | |
ba7dd8bb | 494 | sr_err("Invalid channel type."); |
13f2b9d7 DJ |
495 | break; |
496 | } | |
497 | ||
498 | return sr_scpi_send(sdi->conn, command); | |
499 | } | |
500 | ||
ba7dd8bb | 501 | static int hmo_check_channels(GSList *channels) |
13f2b9d7 DJ |
502 | { |
503 | GSList *l; | |
ba7dd8bb | 504 | struct sr_channel *ch; |
4889acef GS |
505 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; |
506 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
507 | size_t idx; | |
508 | ||
509 | /* Preset "not enabled" for all channels / pods. */ | |
510 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
511 | enabled_chan[idx] = FALSE; | |
512 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
513 | enabled_pod[idx] = FALSE; | |
514 | ||
515 | /* | |
516 | * Determine which channels / pods are required for the caller's | |
517 | * specified configuration. | |
518 | */ | |
ba7dd8bb UH |
519 | for (l = channels; l; l = l->next) { |
520 | ch = l->data; | |
521 | switch (ch->type) { | |
3f239f08 | 522 | case SR_CHANNEL_ANALOG: |
4889acef GS |
523 | idx = ch->index; |
524 | if (idx < ARRAY_SIZE(enabled_chan)) | |
525 | enabled_chan[idx] = TRUE; | |
13f2b9d7 | 526 | break; |
3f239f08 | 527 | case SR_CHANNEL_LOGIC: |
4889acef GS |
528 | idx = ch->index / 8; |
529 | if (idx < ARRAY_SIZE(enabled_pod)) | |
530 | enabled_pod[idx] = TRUE; | |
13f2b9d7 | 531 | break; |
13f2b9d7 DJ |
532 | default: |
533 | return SR_ERR; | |
534 | } | |
535 | } | |
536 | ||
4889acef GS |
537 | /* |
538 | * Check for resource conflicts. Some channels can be either | |
539 | * analog or digital, but never both at the same time. | |
540 | * | |
541 | * Note that the constraints might depend on the specific model. | |
542 | * These tests might need some adjustment when support for more | |
543 | * models gets added to the driver. | |
544 | */ | |
545 | if (enabled_pod[0] && enabled_chan[2]) | |
546 | return SR_ERR; | |
547 | if (enabled_pod[1] && enabled_chan[3]) | |
13f2b9d7 | 548 | return SR_ERR; |
13f2b9d7 DJ |
549 | return SR_OK; |
550 | } | |
551 | ||
ba7dd8bb | 552 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
553 | { |
554 | GSList *l; | |
555 | unsigned int i; | |
23e1ea7a | 556 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 557 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 | 558 | struct scope_state *state; |
329733d9 | 559 | const struct scope_config *model; |
ba7dd8bb | 560 | struct sr_channel *ch; |
13f2b9d7 | 561 | struct dev_context *devc; |
23f43dff | 562 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 DJ |
563 | |
564 | devc = sdi->priv; | |
23f43dff | 565 | scpi = sdi->conn; |
13f2b9d7 DJ |
566 | state = devc->model_state; |
567 | model = devc->model_config; | |
23e1ea7a | 568 | setup_changed = FALSE; |
13f2b9d7 DJ |
569 | |
570 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
571 | ||
ba7dd8bb UH |
572 | for (l = sdi->channels; l; l = l->next) { |
573 | ch = l->data; | |
574 | switch (ch->type) { | |
3f239f08 | 575 | case SR_CHANNEL_ANALOG: |
ba7dd8bb | 576 | if (ch->enabled == state->analog_channels[ch->index].state) |
082972e8 UH |
577 | break; |
578 | g_snprintf(command, sizeof(command), | |
579 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
ba7dd8bb | 580 | ch->index + 1, ch->enabled); |
13f2b9d7 | 581 | |
23f43dff | 582 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 583 | return SR_ERR; |
ba7dd8bb | 584 | state->analog_channels[ch->index].state = ch->enabled; |
23e1ea7a | 585 | setup_changed = TRUE; |
89280b1a | 586 | break; |
3f239f08 | 587 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
588 | /* |
589 | * A digital POD needs to be enabled for every group of | |
ba7dd8bb | 590 | * 8 channels. |
13f2b9d7 | 591 | */ |
ba7dd8bb UH |
592 | if (ch->enabled) |
593 | pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; | |
13f2b9d7 | 594 | |
ba7dd8bb | 595 | if (ch->enabled == state->digital_channels[ch->index]) |
082972e8 UH |
596 | break; |
597 | g_snprintf(command, sizeof(command), | |
598 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
ba7dd8bb | 599 | ch->index, ch->enabled); |
13f2b9d7 | 600 | |
23f43dff | 601 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 | 602 | return SR_ERR; |
13f2b9d7 | 603 | |
ba7dd8bb | 604 | state->digital_channels[ch->index] = ch->enabled; |
23e1ea7a | 605 | setup_changed = TRUE; |
89280b1a | 606 | break; |
13f2b9d7 DJ |
607 | default: |
608 | return SR_ERR; | |
609 | } | |
610 | } | |
611 | ||
0a1f7b09 | 612 | for (i = 1; i <= model->digital_pods; i++) { |
082972e8 UH |
613 | if (state->digital_pods[i - 1] == pod_enabled[i - 1]) |
614 | continue; | |
615 | g_snprintf(command, sizeof(command), | |
616 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
617 | i, pod_enabled[i - 1]); | |
23f43dff | 618 | if (sr_scpi_send(scpi, command) != SR_OK) |
082972e8 UH |
619 | return SR_ERR; |
620 | state->digital_pods[i - 1] = pod_enabled[i - 1]; | |
23e1ea7a | 621 | setup_changed = TRUE; |
13f2b9d7 DJ |
622 | } |
623 | ||
624 | g_free(pod_enabled); | |
625 | ||
23e1ea7a DJ |
626 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
627 | return SR_ERR; | |
628 | ||
13f2b9d7 DJ |
629 | return SR_OK; |
630 | } | |
631 | ||
695dc859 | 632 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
633 | { |
634 | GSList *l; | |
1b0f62df | 635 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; |
e06875b2 | 636 | size_t group, pod_count; |
ba7dd8bb | 637 | struct sr_channel *ch; |
13f2b9d7 | 638 | struct dev_context *devc; |
23f43dff | 639 | struct sr_scpi_dev_inst *scpi; |
40a75c8e | 640 | int ret; |
06a3e78a | 641 | |
23f43dff | 642 | scpi = sdi->conn; |
13f2b9d7 | 643 | devc = sdi->priv; |
13f2b9d7 | 644 | |
1b0f62df GS |
645 | /* Preset empty results. */ |
646 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
647 | digital_added[group] = FALSE; | |
db81fbb5 SA |
648 | g_slist_free(devc->enabled_channels); |
649 | devc->enabled_channels = NULL; | |
650 | ||
1b0f62df | 651 | /* |
e06875b2 GS |
652 | * Contruct the list of enabled channels. Determine the highest |
653 | * number of digital pods involved in the acquisition. | |
1b0f62df | 654 | */ |
e06875b2 | 655 | pod_count = 0; |
ba7dd8bb UH |
656 | for (l = sdi->channels; l; l = l->next) { |
657 | ch = l->data; | |
658 | if (!ch->enabled) | |
082972e8 | 659 | continue; |
1b0f62df GS |
660 | /* Only add a single digital channel per group (pod). */ |
661 | group = ch->index / 8; | |
662 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
ba7dd8bb UH |
663 | devc->enabled_channels = g_slist_append( |
664 | devc->enabled_channels, ch); | |
e06875b2 | 665 | if (ch->type == SR_CHANNEL_LOGIC) { |
1b0f62df | 666 | digital_added[group] = TRUE; |
e06875b2 GS |
667 | if (pod_count < group + 1) |
668 | pod_count = group + 1; | |
669 | } | |
13f2b9d7 DJ |
670 | } |
671 | } | |
ba7dd8bb | 672 | if (!devc->enabled_channels) |
13f2b9d7 | 673 | return SR_ERR; |
e06875b2 GS |
674 | devc->pod_count = pod_count; |
675 | devc->logic_data = NULL; | |
13f2b9d7 | 676 | |
1b0f62df GS |
677 | /* |
678 | * Check constraints. Some channels can be either analog or | |
679 | * digital, but not both at the same time. | |
680 | */ | |
ba7dd8bb UH |
681 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { |
682 | sr_err("Invalid channel configuration specified!"); | |
40a75c8e GS |
683 | ret = SR_ERR_NA; |
684 | goto free_enabled; | |
13f2b9d7 DJ |
685 | } |
686 | ||
1b0f62df GS |
687 | /* |
688 | * Configure the analog and digital channels and the | |
689 | * corresponding digital pods. | |
690 | */ | |
ba7dd8bb UH |
691 | if (hmo_setup_channels(sdi) != SR_OK) { |
692 | sr_err("Failed to setup channel configuration!"); | |
40a75c8e GS |
693 | ret = SR_ERR; |
694 | goto free_enabled; | |
13f2b9d7 DJ |
695 | } |
696 | ||
1b0f62df GS |
697 | /* |
698 | * Start acquisition on the first enabled channel. The | |
699 | * receive routine will continue driving the acquisition. | |
700 | */ | |
102f1239 BV |
701 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, |
702 | hmo_receive_data, (void *)sdi); | |
13f2b9d7 | 703 | |
bee2b016 | 704 | std_session_send_df_header(sdi); |
13f2b9d7 | 705 | |
ba7dd8bb | 706 | devc->current_channel = devc->enabled_channels; |
13f2b9d7 DJ |
707 | |
708 | return hmo_request_data(sdi); | |
40a75c8e GS |
709 | |
710 | free_enabled: | |
711 | g_slist_free(devc->enabled_channels); | |
712 | devc->enabled_channels = NULL; | |
713 | return ret; | |
06a3e78a DJ |
714 | } |
715 | ||
695dc859 | 716 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
06a3e78a | 717 | { |
13f2b9d7 | 718 | struct dev_context *devc; |
23f43dff | 719 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 720 | |
bee2b016 | 721 | std_session_send_df_end(sdi); |
66e3219d | 722 | |
13f2b9d7 DJ |
723 | devc = sdi->priv; |
724 | ||
ef1a346b | 725 | devc->num_frames = 0; |
ba7dd8bb UH |
726 | g_slist_free(devc->enabled_channels); |
727 | devc->enabled_channels = NULL; | |
23f43dff | 728 | scpi = sdi->conn; |
102f1239 | 729 | sr_scpi_source_remove(sdi->session, scpi); |
06a3e78a DJ |
730 | |
731 | return SR_OK; | |
732 | } | |
733 | ||
dd5c48a6 | 734 | static struct sr_dev_driver hameg_hmo_driver_info = { |
06a3e78a | 735 | .name = "hameg-hmo", |
89280b1a | 736 | .longname = "Hameg HMO", |
06a3e78a | 737 | .api_version = 1, |
c2fdcc25 | 738 | .init = std_init, |
700d6b64 | 739 | .cleanup = std_cleanup, |
06a3e78a | 740 | .scan = scan, |
c01bf34c | 741 | .dev_list = std_dev_list, |
06a3e78a DJ |
742 | .dev_clear = dev_clear, |
743 | .config_get = config_get, | |
744 | .config_set = config_set, | |
745 | .config_list = config_list, | |
746 | .dev_open = dev_open, | |
747 | .dev_close = dev_close, | |
748 | .dev_acquisition_start = dev_acquisition_start, | |
749 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 750 | .context = NULL, |
06a3e78a | 751 | }; |
dd5c48a6 | 752 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |