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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 | ||
dd5c48a6 | 25 | static struct sr_dev_driver hameg_hmo_driver_info; |
e9a62139 DJ |
26 | |
27 | static const char *manufacturers[] = { | |
28 | "HAMEG", | |
da1726cc | 29 | "Rohde&Schwarz", |
e9a62139 DJ |
30 | }; |
31 | ||
584560f1 | 32 | static const uint32_t scanopts[] = { |
13f2b9d7 DJ |
33 | SR_CONF_CONN, |
34 | SR_CONF_SERIALCOMM, | |
35 | }; | |
36 | ||
55fb76b3 UH |
37 | static const uint32_t drvopts[] = { |
38 | SR_CONF_OSCILLOSCOPE, | |
39 | }; | |
40 | ||
719eff68 | 41 | enum { |
61e77667 UH |
42 | CG_INVALID = -1, |
43 | CG_NONE, | |
44 | CG_ANALOG, | |
45 | CG_DIGITAL, | |
719eff68 UH |
46 | }; |
47 | ||
373e92a4 | 48 | static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi) |
e9a62139 DJ |
49 | { |
50 | struct sr_dev_inst *sdi; | |
51 | struct dev_context *devc; | |
52 | struct sr_scpi_hw_info *hw_info; | |
e9a62139 DJ |
53 | |
54 | sdi = NULL; | |
55 | devc = NULL; | |
e9a62139 DJ |
56 | hw_info = NULL; |
57 | ||
e9a62139 DJ |
58 | if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) { |
59 | sr_info("Couldn't get IDN response."); | |
60 | goto fail; | |
61 | } | |
62 | ||
697fb6dd | 63 | if (std_str_idx_s(hw_info->manufacturer, ARRAY_AND_SIZE(manufacturers)) < 0) |
e9a62139 DJ |
64 | goto fail; |
65 | ||
aac29cc1 | 66 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
67 | sdi->vendor = g_strdup(hw_info->manufacturer); |
68 | sdi->model = g_strdup(hw_info->model); | |
69 | sdi->version = g_strdup(hw_info->firmware_version); | |
70 | sdi->serial_num = g_strdup(hw_info->serial_number); | |
4f840ce9 | 71 | sdi->driver = &hameg_hmo_driver_info; |
b33db61c SA |
72 | sdi->inst_type = SR_INST_SCPI; |
73 | sdi->conn = scpi; | |
b33db61c | 74 | |
e9a62139 DJ |
75 | sr_scpi_hw_info_free(hw_info); |
76 | hw_info = NULL; | |
77 | ||
f57d8ffe | 78 | devc = g_malloc0(sizeof(struct dev_context)); |
e9a62139 | 79 | |
e9a62139 | 80 | sdi->priv = devc; |
e9a62139 DJ |
81 | |
82 | if (hmo_init_device(sdi) != SR_OK) | |
83 | goto fail; | |
84 | ||
85 | return sdi; | |
86 | ||
87 | fail: | |
7b365c47 | 88 | sr_scpi_hw_info_free(hw_info); |
4bf93988 | 89 | sr_dev_inst_free(sdi); |
b1f83103 | 90 | g_free(devc); |
e9a62139 DJ |
91 | |
92 | return NULL; | |
93 | } | |
94 | ||
4f840ce9 | 95 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
06a3e78a | 96 | { |
373e92a4 | 97 | return sr_scpi_scan(di->context, options, probe_device); |
06a3e78a DJ |
98 | } |
99 | ||
3553451f | 100 | static void clear_helper(struct dev_context *devc) |
13f2b9d7 | 101 | { |
719eff68 | 102 | hmo_scope_state_free(devc->model_state); |
13f2b9d7 DJ |
103 | g_free(devc->analog_groups); |
104 | g_free(devc->digital_groups); | |
13f2b9d7 DJ |
105 | } |
106 | ||
4f840ce9 | 107 | static int dev_clear(const struct sr_dev_driver *di) |
06a3e78a | 108 | { |
3553451f | 109 | return std_dev_clear_with_callback(di, (std_dev_clear_callback)clear_helper); |
06a3e78a DJ |
110 | } |
111 | ||
112 | static int dev_open(struct sr_dev_inst *sdi) | |
113 | { | |
6402c379 | 114 | if (sr_scpi_open(sdi->conn) != SR_OK) |
13f2b9d7 | 115 | return SR_ERR; |
06a3e78a | 116 | |
719eff68 | 117 | if (hmo_scope_state_get(sdi) != SR_OK) |
13f2b9d7 | 118 | return SR_ERR; |
06a3e78a | 119 | |
06a3e78a DJ |
120 | return SR_OK; |
121 | } | |
122 | ||
123 | static int dev_close(struct sr_dev_inst *sdi) | |
124 | { | |
f1ba6b4b | 125 | return sr_scpi_close(sdi->conn); |
06a3e78a DJ |
126 | } |
127 | ||
660e398f | 128 | static int check_channel_group(struct dev_context *devc, |
53b4680f | 129 | const struct sr_channel_group *cg) |
13f2b9d7 | 130 | { |
329733d9 | 131 | const struct scope_config *model; |
13f2b9d7 DJ |
132 | |
133 | model = devc->model_config; | |
134 | ||
53b4680f | 135 | if (!cg) |
61e77667 | 136 | return CG_NONE; |
13f2b9d7 | 137 | |
fcd6a8bd UH |
138 | if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) >= 0) |
139 | return CG_ANALOG; | |
13f2b9d7 | 140 | |
fcd6a8bd UH |
141 | if (std_cg_idx(cg, devc->digital_groups, model->digital_pods) >= 0) |
142 | return CG_DIGITAL; | |
13f2b9d7 | 143 | |
660e398f | 144 | sr_err("Invalid channel group specified."); |
89280b1a | 145 | |
61e77667 | 146 | return CG_INVALID; |
13f2b9d7 DJ |
147 | } |
148 | ||
dd7a72ea UH |
149 | static int config_get(uint32_t key, GVariant **data, |
150 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 151 | { |
fcd6a8bd | 152 | int cg_type, idx; |
13f2b9d7 | 153 | struct dev_context *devc; |
329733d9 | 154 | const struct scope_config *model; |
14a2f74d | 155 | struct scope_state *state; |
13f2b9d7 | 156 | |
709468ba | 157 | if (!sdi) |
13f2b9d7 DJ |
158 | return SR_ERR_ARG; |
159 | ||
709468ba UH |
160 | devc = sdi->priv; |
161 | ||
61e77667 | 162 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 | 163 | return SR_ERR; |
06a3e78a | 164 | |
13f2b9d7 | 165 | model = devc->model_config; |
14a2f74d | 166 | state = devc->model_state; |
06a3e78a | 167 | |
06a3e78a | 168 | switch (key) { |
bf622e6d | 169 | case SR_CONF_NUM_HDIV: |
13f2b9d7 | 170 | *data = g_variant_new_int32(model->num_xdivs); |
13f2b9d7 | 171 | break; |
3fd2dca2 DJ |
172 | case SR_CONF_TIMEBASE: |
173 | *data = g_variant_new("(tt)", (*model->timebases)[state->timebase][0], | |
174 | (*model->timebases)[state->timebase][1]); | |
3fd2dca2 | 175 | break; |
13f2b9d7 | 176 | case SR_CONF_NUM_VDIV: |
3782e571 | 177 | if (!cg) |
660e398f | 178 | return SR_ERR_CHANNEL_GROUP; |
3782e571 | 179 | if (cg_type != CG_ANALOG) |
758906aa | 180 | return SR_ERR_NA; |
3782e571 UH |
181 | if (std_cg_idx(cg, devc->analog_groups, model->analog_channels) < 0) |
182 | return SR_ERR_ARG; | |
183 | *data = g_variant_new_int32(model->num_ydivs); | |
3fd2dca2 DJ |
184 | break; |
185 | case SR_CONF_VDIV: | |
3782e571 | 186 | if (!cg) |
61e77667 | 187 | return SR_ERR_CHANNEL_GROUP; |
3782e571 | 188 | if (cg_type != CG_ANALOG) |
758906aa | 189 | return SR_ERR_NA; |
3782e571 UH |
190 | if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) |
191 | return SR_ERR_ARG; | |
192 | *data = g_variant_new("(tt)", | |
193 | (*model->vdivs)[state->analog_channels[idx].vdiv][0], | |
194 | (*model->vdivs)[state->analog_channels[idx].vdiv][1]); | |
ccf14618 DJ |
195 | break; |
196 | case SR_CONF_TRIGGER_SOURCE: | |
197 | *data = g_variant_new_string((*model->trigger_sources)[state->trigger_source]); | |
ccf14618 | 198 | break; |
3fd2dca2 DJ |
199 | case SR_CONF_TRIGGER_SLOPE: |
200 | *data = g_variant_new_string((*model->trigger_slopes)[state->trigger_slope]); | |
3fd2dca2 DJ |
201 | break; |
202 | case SR_CONF_HORIZ_TRIGGERPOS: | |
203 | *data = g_variant_new_double(state->horiz_triggerpos); | |
3fd2dca2 | 204 | break; |
ccf14618 | 205 | case SR_CONF_COUPLING: |
3782e571 | 206 | if (!cg) |
660e398f | 207 | return SR_ERR_CHANNEL_GROUP; |
3782e571 | 208 | if (cg_type != CG_ANALOG) |
758906aa | 209 | return SR_ERR_NA; |
3782e571 UH |
210 | if ((idx = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) |
211 | return SR_ERR_ARG; | |
212 | *data = g_variant_new_string((*model->coupling_options)[state->analog_channels[idx].coupling]); | |
13f2b9d7 | 213 | break; |
14a2f74d DJ |
214 | case SR_CONF_SAMPLERATE: |
215 | *data = g_variant_new_uint64(state->sample_rate); | |
14a2f74d | 216 | break; |
06a3e78a | 217 | default: |
758906aa | 218 | return SR_ERR_NA; |
06a3e78a DJ |
219 | } |
220 | ||
758906aa | 221 | return SR_OK; |
06a3e78a DJ |
222 | } |
223 | ||
dd7a72ea UH |
224 | static int config_set(uint32_t key, GVariant *data, |
225 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 226 | { |
fcd6a8bd | 227 | int ret, cg_type, idx, j; |
965b463d | 228 | char command[MAX_COMMAND_SIZE], float_str[30]; |
13f2b9d7 | 229 | struct dev_context *devc; |
329733d9 | 230 | const struct scope_config *model; |
13f2b9d7 | 231 | struct scope_state *state; |
89280b1a | 232 | double tmp_d; |
23e1ea7a | 233 | gboolean update_sample_rate; |
06a3e78a | 234 | |
b0baddef | 235 | if (!sdi) |
13f2b9d7 DJ |
236 | return SR_ERR_ARG; |
237 | ||
b0baddef UH |
238 | devc = sdi->priv; |
239 | ||
61e77667 | 240 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
13f2b9d7 DJ |
241 | return SR_ERR; |
242 | ||
243 | model = devc->model_config; | |
244 | state = devc->model_state; | |
23e1ea7a | 245 | update_sample_rate = FALSE; |
13f2b9d7 | 246 | |
06a3e78a | 247 | switch (key) { |
d779dcac GT |
248 | case SR_CONF_LIMIT_SAMPLES: |
249 | devc->samples_limit = g_variant_get_uint64(data); | |
250 | ret = SR_OK; | |
251 | break; | |
13f2b9d7 DJ |
252 | case SR_CONF_LIMIT_FRAMES: |
253 | devc->frame_limit = g_variant_get_uint64(data); | |
254 | ret = SR_OK; | |
255 | break; | |
13f2b9d7 | 256 | case SR_CONF_TRIGGER_SOURCE: |
bd633efa UH |
257 | if ((idx = std_str_idx(data, *model->trigger_sources, model->num_trigger_sources)) < 0) |
258 | return SR_ERR_ARG; | |
259 | state->trigger_source = idx; | |
260 | g_snprintf(command, sizeof(command), | |
261 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SOURCE], | |
262 | (*model->trigger_sources)[idx]); | |
263 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 264 | break; |
13f2b9d7 | 265 | case SR_CONF_VDIV: |
61233697 | 266 | if (!cg) |
660e398f | 267 | return SR_ERR_CHANNEL_GROUP; |
697fb6dd UH |
268 | if ((idx = std_u64_tuple_idx(data, *model->vdivs, model->num_vdivs)) < 0) |
269 | return SR_ERR_ARG; | |
fcd6a8bd UH |
270 | if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) |
271 | return SR_ERR_ARG; | |
272 | state->analog_channels[j].vdiv = idx; | |
273 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
274 | (float) (*model->vdivs)[idx][0] / (*model->vdivs)[idx][1]); | |
275 | g_snprintf(command, sizeof(command), | |
276 | (*model->scpi_dialect)[SCPI_CMD_SET_VERTICAL_DIV], | |
277 | j + 1, float_str); | |
278 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
279 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
280 | return SR_ERR; | |
697fb6dd | 281 | ret = SR_OK; |
89280b1a | 282 | break; |
13f2b9d7 | 283 | case SR_CONF_TIMEBASE: |
697fb6dd UH |
284 | if ((idx = std_u64_tuple_idx(data, *model->timebases, model->num_timebases)) < 0) |
285 | return SR_ERR_ARG; | |
286 | state->timebase = idx; | |
287 | g_ascii_formatd(float_str, sizeof(float_str), "%E", | |
288 | (float) (*model->timebases)[idx][0] / (*model->timebases)[idx][1]); | |
289 | g_snprintf(command, sizeof(command), | |
290 | (*model->scpi_dialect)[SCPI_CMD_SET_TIMEBASE], | |
291 | float_str); | |
292 | ret = sr_scpi_send(sdi->conn, command); | |
293 | update_sample_rate = TRUE; | |
89280b1a | 294 | break; |
13f2b9d7 | 295 | case SR_CONF_HORIZ_TRIGGERPOS: |
89280b1a | 296 | tmp_d = g_variant_get_double(data); |
89280b1a | 297 | if (tmp_d < 0.0 || tmp_d > 1.0) |
13f2b9d7 | 298 | return SR_ERR; |
422a1c0d DJ |
299 | state->horiz_triggerpos = tmp_d; |
300 | tmp_d = -(tmp_d - 0.5) * | |
301 | ((double) (*model->timebases)[state->timebase][0] / | |
302 | (*model->timebases)[state->timebase][1]) | |
303 | * model->num_xdivs; | |
422a1c0d | 304 | g_ascii_formatd(float_str, sizeof(float_str), "%E", tmp_d); |
13f2b9d7 DJ |
305 | g_snprintf(command, sizeof(command), |
306 | (*model->scpi_dialect)[SCPI_CMD_SET_HORIZ_TRIGGERPOS], | |
422a1c0d | 307 | float_str); |
13f2b9d7 | 308 | ret = sr_scpi_send(sdi->conn, command); |
89280b1a | 309 | break; |
13f2b9d7 | 310 | case SR_CONF_TRIGGER_SLOPE: |
bd633efa UH |
311 | if ((idx = std_str_idx(data, *model->trigger_slopes, model->num_trigger_slopes)) < 0) |
312 | return SR_ERR_ARG; | |
313 | state->trigger_slope = idx; | |
314 | g_snprintf(command, sizeof(command), | |
315 | (*model->scpi_dialect)[SCPI_CMD_SET_TRIGGER_SLOPE], | |
316 | (*model->trigger_slopes)[idx]); | |
317 | ret = sr_scpi_send(sdi->conn, command); | |
89280b1a | 318 | break; |
13f2b9d7 | 319 | case SR_CONF_COUPLING: |
61233697 | 320 | if (!cg) |
660e398f | 321 | return SR_ERR_CHANNEL_GROUP; |
bd633efa UH |
322 | if ((idx = std_str_idx(data, *model->coupling_options, model->num_coupling_options)) < 0) |
323 | return SR_ERR_ARG; | |
fcd6a8bd UH |
324 | if ((j = std_cg_idx(cg, devc->analog_groups, model->analog_channels)) < 0) |
325 | return SR_ERR_ARG; | |
326 | state->analog_channels[j].coupling = idx; | |
327 | g_snprintf(command, sizeof(command), | |
328 | (*model->scpi_dialect)[SCPI_CMD_SET_COUPLING], | |
329 | j + 1, (*model->coupling_options)[idx]); | |
330 | if (sr_scpi_send(sdi->conn, command) != SR_OK || | |
331 | sr_scpi_get_opc(sdi->conn) != SR_OK) | |
332 | return SR_ERR; | |
bd633efa | 333 | ret = SR_OK; |
89280b1a | 334 | break; |
06a3e78a DJ |
335 | default: |
336 | ret = SR_ERR_NA; | |
13f2b9d7 | 337 | break; |
06a3e78a DJ |
338 | } |
339 | ||
13f2b9d7 DJ |
340 | if (ret == SR_OK) |
341 | ret = sr_scpi_get_opc(sdi->conn); | |
342 | ||
23e1ea7a DJ |
343 | if (ret == SR_OK && update_sample_rate) |
344 | ret = hmo_update_sample_rate(sdi); | |
345 | ||
06a3e78a DJ |
346 | return ret; |
347 | } | |
348 | ||
dd7a72ea UH |
349 | static int config_list(uint32_t key, GVariant **data, |
350 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
06a3e78a | 351 | { |
6ec3ef9b AJ |
352 | int cg_type = CG_NONE; |
353 | struct dev_context *devc = NULL; | |
329733d9 | 354 | const struct scope_config *model = NULL; |
13f2b9d7 | 355 | |
4d399734 UH |
356 | if (sdi) { |
357 | devc = sdi->priv; | |
6ec3ef9b AJ |
358 | if ((cg_type = check_channel_group(devc, cg)) == CG_INVALID) |
359 | return SR_ERR; | |
13f2b9d7 | 360 | |
6ec3ef9b AJ |
361 | model = devc->model_config; |
362 | } | |
06a3e78a | 363 | |
06a3e78a | 364 | switch (key) { |
226363c4 | 365 | case SR_CONF_SCAN_OPTIONS: |
53012da6 | 366 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(scanopts)); |
226363c4 | 367 | break; |
13f2b9d7 | 368 | case SR_CONF_DEVICE_OPTIONS: |
61233697 | 369 | if (!cg) { |
6ec3ef9b | 370 | if (model) |
769561cb | 371 | *data = std_gvar_array_u32(*model->devopts, model->num_devopts); |
6ec3ef9b | 372 | else |
53012da6 | 373 | *data = std_gvar_array_u32(ARRAY_AND_SIZE(drvopts)); |
61e77667 | 374 | } else if (cg_type == CG_ANALOG) { |
769561cb | 375 | *data = std_gvar_array_u32(*model->devopts_cg_analog, model->num_devopts_cg_analog); |
13f2b9d7 | 376 | } else { |
105df674 | 377 | *data = std_gvar_array_u32(NULL, 0); |
13f2b9d7 DJ |
378 | } |
379 | break; | |
13f2b9d7 | 380 | case SR_CONF_COUPLING: |
61233697 | 381 | if (!cg) |
660e398f | 382 | return SR_ERR_CHANNEL_GROUP; |
b0e80e9a GS |
383 | if (!model) |
384 | return SR_ERR_ARG; | |
692716f5 | 385 | *data = g_variant_new_strv(*model->coupling_options, model->num_coupling_options); |
13f2b9d7 | 386 | break; |
13f2b9d7 | 387 | case SR_CONF_TRIGGER_SOURCE: |
6ec3ef9b AJ |
388 | if (!model) |
389 | return SR_ERR_ARG; | |
692716f5 | 390 | *data = g_variant_new_strv(*model->trigger_sources, model->num_trigger_sources); |
13f2b9d7 | 391 | break; |
bbabdaf1 | 392 | case SR_CONF_TRIGGER_SLOPE: |
6ec3ef9b AJ |
393 | if (!model) |
394 | return SR_ERR_ARG; | |
692716f5 | 395 | *data = g_variant_new_strv(*model->trigger_slopes, model->num_trigger_slopes); |
bbabdaf1 | 396 | break; |
13f2b9d7 | 397 | case SR_CONF_TIMEBASE: |
6ec3ef9b AJ |
398 | if (!model) |
399 | return SR_ERR_ARG; | |
58ffcf97 | 400 | *data = std_gvar_tuple_array(*model->timebases, model->num_timebases); |
13f2b9d7 | 401 | break; |
13f2b9d7 | 402 | case SR_CONF_VDIV: |
61233697 | 403 | if (!cg) |
660e398f | 404 | return SR_ERR_CHANNEL_GROUP; |
b0e80e9a GS |
405 | if (!model) |
406 | return SR_ERR_ARG; | |
58ffcf97 | 407 | *data = std_gvar_tuple_array(*model->vdivs, model->num_vdivs); |
13f2b9d7 | 408 | break; |
06a3e78a DJ |
409 | default: |
410 | return SR_ERR_NA; | |
411 | } | |
412 | ||
13f2b9d7 | 413 | return SR_OK; |
06a3e78a DJ |
414 | } |
415 | ||
13f2b9d7 | 416 | SR_PRIV int hmo_request_data(const struct sr_dev_inst *sdi) |
06a3e78a | 417 | { |
13f2b9d7 | 418 | char command[MAX_COMMAND_SIZE]; |
ba7dd8bb | 419 | struct sr_channel *ch; |
13f2b9d7 | 420 | struct dev_context *devc; |
329733d9 | 421 | const struct scope_config *model; |
13f2b9d7 DJ |
422 | |
423 | devc = sdi->priv; | |
424 | model = devc->model_config; | |
425 | ||
ba7dd8bb | 426 | ch = devc->current_channel->data; |
13f2b9d7 | 427 | |
ba7dd8bb | 428 | switch (ch->type) { |
3f239f08 | 429 | case SR_CHANNEL_ANALOG: |
13f2b9d7 DJ |
430 | g_snprintf(command, sizeof(command), |
431 | (*model->scpi_dialect)[SCPI_CMD_GET_ANALOG_DATA], | |
65a6794e GS |
432 | #ifdef WORDS_BIGENDIAN |
433 | "MSBF", | |
434 | #else | |
435 | "LSBF", | |
436 | #endif | |
ba7dd8bb | 437 | ch->index + 1); |
13f2b9d7 | 438 | break; |
3f239f08 | 439 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
440 | g_snprintf(command, sizeof(command), |
441 | (*model->scpi_dialect)[SCPI_CMD_GET_DIG_DATA], | |
ba7dd8bb | 442 | ch->index < 8 ? 1 : 2); |
13f2b9d7 DJ |
443 | break; |
444 | default: | |
ba7dd8bb | 445 | sr_err("Invalid channel type."); |
13f2b9d7 DJ |
446 | break; |
447 | } | |
448 | ||
449 | return sr_scpi_send(sdi->conn, command); | |
450 | } | |
451 | ||
ba7dd8bb | 452 | static int hmo_check_channels(GSList *channels) |
13f2b9d7 DJ |
453 | { |
454 | GSList *l; | |
ba7dd8bb | 455 | struct sr_channel *ch; |
4889acef GS |
456 | gboolean enabled_chan[MAX_ANALOG_CHANNEL_COUNT]; |
457 | gboolean enabled_pod[MAX_DIGITAL_GROUP_COUNT]; | |
458 | size_t idx; | |
459 | ||
460 | /* Preset "not enabled" for all channels / pods. */ | |
461 | for (idx = 0; idx < ARRAY_SIZE(enabled_chan); idx++) | |
462 | enabled_chan[idx] = FALSE; | |
463 | for (idx = 0; idx < ARRAY_SIZE(enabled_pod); idx++) | |
464 | enabled_pod[idx] = FALSE; | |
465 | ||
466 | /* | |
467 | * Determine which channels / pods are required for the caller's | |
468 | * specified configuration. | |
469 | */ | |
ba7dd8bb UH |
470 | for (l = channels; l; l = l->next) { |
471 | ch = l->data; | |
472 | switch (ch->type) { | |
3f239f08 | 473 | case SR_CHANNEL_ANALOG: |
4889acef GS |
474 | idx = ch->index; |
475 | if (idx < ARRAY_SIZE(enabled_chan)) | |
476 | enabled_chan[idx] = TRUE; | |
13f2b9d7 | 477 | break; |
3f239f08 | 478 | case SR_CHANNEL_LOGIC: |
4889acef GS |
479 | idx = ch->index / 8; |
480 | if (idx < ARRAY_SIZE(enabled_pod)) | |
481 | enabled_pod[idx] = TRUE; | |
13f2b9d7 | 482 | break; |
13f2b9d7 DJ |
483 | default: |
484 | return SR_ERR; | |
485 | } | |
486 | } | |
487 | ||
4889acef GS |
488 | /* |
489 | * Check for resource conflicts. Some channels can be either | |
490 | * analog or digital, but never both at the same time. | |
491 | * | |
492 | * Note that the constraints might depend on the specific model. | |
493 | * These tests might need some adjustment when support for more | |
494 | * models gets added to the driver. | |
495 | */ | |
496 | if (enabled_pod[0] && enabled_chan[2]) | |
497 | return SR_ERR; | |
498 | if (enabled_pod[1] && enabled_chan[3]) | |
13f2b9d7 | 499 | return SR_ERR; |
13f2b9d7 DJ |
500 | return SR_OK; |
501 | } | |
502 | ||
ba7dd8bb | 503 | static int hmo_setup_channels(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
504 | { |
505 | GSList *l; | |
506 | unsigned int i; | |
23e1ea7a | 507 | gboolean *pod_enabled, setup_changed; |
13f2b9d7 | 508 | char command[MAX_COMMAND_SIZE]; |
13f2b9d7 | 509 | struct scope_state *state; |
329733d9 | 510 | const struct scope_config *model; |
ba7dd8bb | 511 | struct sr_channel *ch; |
13f2b9d7 | 512 | struct dev_context *devc; |
23f43dff | 513 | struct sr_scpi_dev_inst *scpi; |
addbb09b | 514 | int ret; |
13f2b9d7 DJ |
515 | |
516 | devc = sdi->priv; | |
23f43dff | 517 | scpi = sdi->conn; |
13f2b9d7 DJ |
518 | state = devc->model_state; |
519 | model = devc->model_config; | |
23e1ea7a | 520 | setup_changed = FALSE; |
13f2b9d7 DJ |
521 | |
522 | pod_enabled = g_try_malloc0(sizeof(gboolean) * model->digital_pods); | |
523 | ||
ba7dd8bb UH |
524 | for (l = sdi->channels; l; l = l->next) { |
525 | ch = l->data; | |
526 | switch (ch->type) { | |
3f239f08 | 527 | case SR_CHANNEL_ANALOG: |
ba7dd8bb | 528 | if (ch->enabled == state->analog_channels[ch->index].state) |
082972e8 UH |
529 | break; |
530 | g_snprintf(command, sizeof(command), | |
531 | (*model->scpi_dialect)[SCPI_CMD_SET_ANALOG_CHAN_STATE], | |
ba7dd8bb | 532 | ch->index + 1, ch->enabled); |
13f2b9d7 | 533 | |
4fc4b8e7 UH |
534 | if (sr_scpi_send(scpi, command) != SR_OK) { |
535 | g_free(pod_enabled); | |
082972e8 | 536 | return SR_ERR; |
4fc4b8e7 | 537 | } |
ba7dd8bb | 538 | state->analog_channels[ch->index].state = ch->enabled; |
23e1ea7a | 539 | setup_changed = TRUE; |
89280b1a | 540 | break; |
3f239f08 | 541 | case SR_CHANNEL_LOGIC: |
13f2b9d7 DJ |
542 | /* |
543 | * A digital POD needs to be enabled for every group of | |
ba7dd8bb | 544 | * 8 channels. |
13f2b9d7 | 545 | */ |
ba7dd8bb UH |
546 | if (ch->enabled) |
547 | pod_enabled[ch->index < 8 ? 0 : 1] = TRUE; | |
13f2b9d7 | 548 | |
ba7dd8bb | 549 | if (ch->enabled == state->digital_channels[ch->index]) |
082972e8 UH |
550 | break; |
551 | g_snprintf(command, sizeof(command), | |
552 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_CHAN_STATE], | |
ba7dd8bb | 553 | ch->index, ch->enabled); |
13f2b9d7 | 554 | |
4fc4b8e7 UH |
555 | if (sr_scpi_send(scpi, command) != SR_OK) { |
556 | g_free(pod_enabled); | |
082972e8 | 557 | return SR_ERR; |
4fc4b8e7 | 558 | } |
13f2b9d7 | 559 | |
ba7dd8bb | 560 | state->digital_channels[ch->index] = ch->enabled; |
23e1ea7a | 561 | setup_changed = TRUE; |
89280b1a | 562 | break; |
13f2b9d7 | 563 | default: |
b0e80e9a | 564 | g_free(pod_enabled); |
13f2b9d7 DJ |
565 | return SR_ERR; |
566 | } | |
567 | } | |
568 | ||
addbb09b | 569 | ret = SR_OK; |
d1ac53cc UH |
570 | for (i = 0; i < model->digital_pods; i++) { |
571 | if (state->digital_pods[i] == pod_enabled[i]) | |
082972e8 UH |
572 | continue; |
573 | g_snprintf(command, sizeof(command), | |
574 | (*model->scpi_dialect)[SCPI_CMD_SET_DIG_POD_STATE], | |
d1ac53cc | 575 | i + 1, pod_enabled[i]); |
addbb09b GS |
576 | if (sr_scpi_send(scpi, command) != SR_OK) { |
577 | ret = SR_ERR; | |
578 | break; | |
579 | } | |
d1ac53cc | 580 | state->digital_pods[i] = pod_enabled[i]; |
23e1ea7a | 581 | setup_changed = TRUE; |
13f2b9d7 | 582 | } |
13f2b9d7 | 583 | g_free(pod_enabled); |
addbb09b GS |
584 | if (ret != SR_OK) |
585 | return ret; | |
13f2b9d7 | 586 | |
23e1ea7a DJ |
587 | if (setup_changed && hmo_update_sample_rate(sdi) != SR_OK) |
588 | return SR_ERR; | |
589 | ||
13f2b9d7 DJ |
590 | return SR_OK; |
591 | } | |
592 | ||
695dc859 | 593 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
13f2b9d7 DJ |
594 | { |
595 | GSList *l; | |
1b0f62df | 596 | gboolean digital_added[MAX_DIGITAL_GROUP_COUNT]; |
e06875b2 | 597 | size_t group, pod_count; |
ba7dd8bb | 598 | struct sr_channel *ch; |
13f2b9d7 | 599 | struct dev_context *devc; |
23f43dff | 600 | struct sr_scpi_dev_inst *scpi; |
40a75c8e | 601 | int ret; |
06a3e78a | 602 | |
23f43dff | 603 | scpi = sdi->conn; |
13f2b9d7 | 604 | devc = sdi->priv; |
13f2b9d7 | 605 | |
d779dcac GT |
606 | devc->num_samples = 0; |
607 | devc->num_frames = 0; | |
608 | ||
1b0f62df GS |
609 | /* Preset empty results. */ |
610 | for (group = 0; group < ARRAY_SIZE(digital_added); group++) | |
611 | digital_added[group] = FALSE; | |
db81fbb5 SA |
612 | g_slist_free(devc->enabled_channels); |
613 | devc->enabled_channels = NULL; | |
614 | ||
1b0f62df | 615 | /* |
e06875b2 GS |
616 | * Contruct the list of enabled channels. Determine the highest |
617 | * number of digital pods involved in the acquisition. | |
1b0f62df | 618 | */ |
e06875b2 | 619 | pod_count = 0; |
ba7dd8bb UH |
620 | for (l = sdi->channels; l; l = l->next) { |
621 | ch = l->data; | |
622 | if (!ch->enabled) | |
082972e8 | 623 | continue; |
1b0f62df GS |
624 | /* Only add a single digital channel per group (pod). */ |
625 | group = ch->index / 8; | |
626 | if (ch->type != SR_CHANNEL_LOGIC || !digital_added[group]) { | |
ba7dd8bb UH |
627 | devc->enabled_channels = g_slist_append( |
628 | devc->enabled_channels, ch); | |
e06875b2 | 629 | if (ch->type == SR_CHANNEL_LOGIC) { |
1b0f62df | 630 | digital_added[group] = TRUE; |
e06875b2 GS |
631 | if (pod_count < group + 1) |
632 | pod_count = group + 1; | |
633 | } | |
13f2b9d7 DJ |
634 | } |
635 | } | |
ba7dd8bb | 636 | if (!devc->enabled_channels) |
13f2b9d7 | 637 | return SR_ERR; |
e06875b2 GS |
638 | devc->pod_count = pod_count; |
639 | devc->logic_data = NULL; | |
13f2b9d7 | 640 | |
1b0f62df GS |
641 | /* |
642 | * Check constraints. Some channels can be either analog or | |
643 | * digital, but not both at the same time. | |
644 | */ | |
ba7dd8bb UH |
645 | if (hmo_check_channels(devc->enabled_channels) != SR_OK) { |
646 | sr_err("Invalid channel configuration specified!"); | |
40a75c8e GS |
647 | ret = SR_ERR_NA; |
648 | goto free_enabled; | |
13f2b9d7 DJ |
649 | } |
650 | ||
1b0f62df GS |
651 | /* |
652 | * Configure the analog and digital channels and the | |
653 | * corresponding digital pods. | |
654 | */ | |
ba7dd8bb UH |
655 | if (hmo_setup_channels(sdi) != SR_OK) { |
656 | sr_err("Failed to setup channel configuration!"); | |
40a75c8e GS |
657 | ret = SR_ERR; |
658 | goto free_enabled; | |
13f2b9d7 DJ |
659 | } |
660 | ||
1b0f62df GS |
661 | /* |
662 | * Start acquisition on the first enabled channel. The | |
663 | * receive routine will continue driving the acquisition. | |
664 | */ | |
102f1239 BV |
665 | sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 50, |
666 | hmo_receive_data, (void *)sdi); | |
13f2b9d7 | 667 | |
bee2b016 | 668 | std_session_send_df_header(sdi); |
13f2b9d7 | 669 | |
ba7dd8bb | 670 | devc->current_channel = devc->enabled_channels; |
13f2b9d7 DJ |
671 | |
672 | return hmo_request_data(sdi); | |
40a75c8e GS |
673 | |
674 | free_enabled: | |
675 | g_slist_free(devc->enabled_channels); | |
676 | devc->enabled_channels = NULL; | |
677 | return ret; | |
06a3e78a DJ |
678 | } |
679 | ||
695dc859 | 680 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
06a3e78a | 681 | { |
13f2b9d7 | 682 | struct dev_context *devc; |
23f43dff | 683 | struct sr_scpi_dev_inst *scpi; |
13f2b9d7 | 684 | |
bee2b016 | 685 | std_session_send_df_end(sdi); |
66e3219d | 686 | |
13f2b9d7 DJ |
687 | devc = sdi->priv; |
688 | ||
d779dcac | 689 | devc->num_samples = 0; |
ef1a346b | 690 | devc->num_frames = 0; |
ba7dd8bb UH |
691 | g_slist_free(devc->enabled_channels); |
692 | devc->enabled_channels = NULL; | |
23f43dff | 693 | scpi = sdi->conn; |
102f1239 | 694 | sr_scpi_source_remove(sdi->session, scpi); |
06a3e78a DJ |
695 | |
696 | return SR_OK; | |
697 | } | |
698 | ||
dd5c48a6 | 699 | static struct sr_dev_driver hameg_hmo_driver_info = { |
06a3e78a | 700 | .name = "hameg-hmo", |
89280b1a | 701 | .longname = "Hameg HMO", |
06a3e78a | 702 | .api_version = 1, |
c2fdcc25 | 703 | .init = std_init, |
700d6b64 | 704 | .cleanup = std_cleanup, |
06a3e78a | 705 | .scan = scan, |
c01bf34c | 706 | .dev_list = std_dev_list, |
06a3e78a DJ |
707 | .dev_clear = dev_clear, |
708 | .config_get = config_get, | |
709 | .config_set = config_set, | |
710 | .config_list = config_list, | |
711 | .dev_open = dev_open, | |
712 | .dev_close = dev_close, | |
713 | .dev_acquisition_start = dev_acquisition_start, | |
714 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 715 | .context = NULL, |
06a3e78a | 716 | }; |
dd5c48a6 | 717 | SR_REGISTER_DEV_DRIVER(hameg_hmo_driver_info); |