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