]> sigrok.org Git - libsigrok.git/blame - src/hardware/agilent-dmm/api.c
Add sr_dev_acquisition_start(), factor out SR_ERR_DEV_CLOSED check.
[libsigrok.git] / src / hardware / agilent-dmm / api.c
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e93cdf42 1/*
50985c20 2 * This file is part of the libsigrok project.
e93cdf42
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3 *
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.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>
e93cdf42 21#include <glib.h>
e93cdf42
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22#include <sys/types.h>
23#include <sys/stat.h>
24#include <fcntl.h>
25#include <string.h>
c1aae900 26#include <libsigrok/libsigrok.h>
6f22a8ef 27#include "libsigrok-internal.h"
6cf1a87b 28#include "protocol.h"
e93cdf42 29
a0e0bb41 30static const uint32_t scanopts[] = {
1953564a
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31 SR_CONF_CONN,
32 SR_CONF_SERIALCOMM,
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33};
34
f9dada0b 35static const uint32_t drvopts[] = {
1953564a 36 SR_CONF_MULTIMETER,
f9dada0b
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37};
38
39static const uint32_t devopts[] = {
e91bb0a6 40 SR_CONF_CONTINUOUS,
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41 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
42 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
b907d62f 43 SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
63bb11ba 44 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
b907d62f
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45};
46
47static const uint64_t samplerates[] = {
48 SR_HZ(1),
49 SR_HZ(20),
50 SR_HZ(1),
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51};
52
63bb11ba
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53static const char *data_sources[] = {
54 "Live",
55 "Log-Hand",
56 "Log-Trig",
57 "Log-Auto",
58 "Log-Export",
59};
60
61extern const struct agdmm_job agdmm_jobs_live[];
62extern const struct agdmm_job agdmm_jobs_log[];
8c0152f2 63extern const struct agdmm_recv agdmm_recvs_u123x[];
4edba404 64extern const struct agdmm_recv agdmm_recvs_u124x[];
0ceb7038 65extern const struct agdmm_recv agdmm_recvs_u124xc[];
8c0152f2 66extern const struct agdmm_recv agdmm_recvs_u125x[];
43185ed3 67extern const struct agdmm_recv agdmm_recvs_u128x[];
e93cdf42 68
74ac7d7f
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69/* This works on all the Agilent U12xxA series, although the
70 * U127xA can apparently also run at 19200/8n1. */
71#define SERIALCOMM "9600/8n1"
72
e93cdf42 73static const struct agdmm_profile supported_agdmm[] = {
63bb11ba
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74 { AGILENT_U1231, "U1231A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
75 { AGILENT_U1232, "U1232A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
76 { AGILENT_U1233, "U1233A", 1, agdmm_jobs_live, NULL, agdmm_recvs_u123x },
77
78 { AGILENT_U1241, "U1241A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
79 { AGILENT_U1242, "U1242A", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
80 { AGILENT_U1241, "U1241B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
81 { AGILENT_U1242, "U1242B", 2, agdmm_jobs_live, NULL, agdmm_recvs_u124x },
82
0ceb7038
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83 { KEYSIGHT_U1241C, "U1241C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },
84 { KEYSIGHT_U1242C, "U1242C", 2, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u124xc },
85
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86 { AGILENT_U1251, "U1251A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
87 { AGILENT_U1252, "U1252A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
88 { AGILENT_U1253, "U1253A", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
89 { AGILENT_U1251, "U1251B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
90 { AGILENT_U1252, "U1252B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
91 { AGILENT_U1253, "U1253B", 3, agdmm_jobs_live, NULL, agdmm_recvs_u125x },
92
93 { KEYSIGHT_U1281, "U1281A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
94 { KEYSIGHT_U1282, "U1282A", 3, agdmm_jobs_live, agdmm_jobs_log, agdmm_recvs_u128x },
f857bd92 95 ALL_ZERO
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96};
97
4f840ce9 98static GSList *scan(struct sr_dev_driver *di, GSList *options)
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99{
100 struct sr_dev_inst *sdi;
e93cdf42 101 struct dev_context *devc;
1987b8d6 102 struct sr_config *src;
109a3ba4 103 struct sr_serial_dev_inst *serial;
e93cdf42 104 GSList *l, *devices;
109a3ba4 105 int len, i;
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106 const char *conn, *serialcomm;
107 char *buf, **tokens;
108
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109 devices = NULL;
110 conn = serialcomm = NULL;
111 for (l = options; l; l = l->next) {
1987b8d6
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112 src = l->data;
113 switch (src->key) {
1953564a 114 case SR_CONF_CONN:
e44ac12a 115 conn = g_variant_get_string(src->data, NULL);
e93cdf42 116 break;
1953564a 117 case SR_CONF_SERIALCOMM:
e44ac12a 118 serialcomm = g_variant_get_string(src->data, NULL);
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119 break;
120 }
121 }
74ac7d7f 122 if (!conn)
e93cdf42 123 return NULL;
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124 if (!serialcomm)
125 serialcomm = SERIALCOMM;
e93cdf42 126
91219afc 127 serial = sr_serial_dev_inst_new(conn, serialcomm);
e93cdf42 128
64c536be 129 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
e93cdf42 130 return NULL;
e93cdf42 131
109a3ba4 132 serial_flush(serial);
95779b43 133 if (serial_write_blocking(serial, "*IDN?\r\n", 7, SERIAL_WRITE_TIMEOUT_MS) < 7) {
081c214e 134 sr_err("Unable to send identification string.");
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135 return NULL;
136 }
137
138 len = 128;
a95f142e 139 buf = g_malloc(len);
ee2bcdfc 140 serial_readline(serial, &buf, &len, 250);
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141 if (!len)
142 return NULL;
143
144 tokens = g_strsplit(buf, ",", 4);
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145 if ((!strcmp("Agilent Technologies", tokens[0]) ||
146 !strcmp("Keysight Technologies", tokens[0]))
fbf07e02 147 && tokens[1] && tokens[2] && tokens[3]) {
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148 for (i = 0; supported_agdmm[i].model; i++) {
149 if (strcmp(supported_agdmm[i].modelname, tokens[1]))
150 continue;
aac29cc1 151 sdi = g_malloc0(sizeof(struct sr_dev_inst));
0af636be 152 sdi->status = SR_ST_INACTIVE;
9ae544b6 153 sdi->vendor = g_strdup(tokens[0][0] == 'A' ? "Agilent" : "Keysight");
0af636be
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154 sdi->model = g_strdup(tokens[1]);
155 sdi->version = g_strdup(tokens[3]);
f57d8ffe 156 devc = g_malloc0(sizeof(struct dev_context));
5b6829ea 157 sr_sw_limits_init(&devc->limits);
e93cdf42 158 devc->profile = &supported_agdmm[i];
63bb11ba 159 devc->data_source = DEFAULT_DATA_SOURCE;
b907d62f 160 devc->cur_samplerate = 5;
d822726d
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161 if (supported_agdmm[i].nb_channels > 1) {
162 int temp_chan = supported_agdmm[i].nb_channels - 1;
163 devc->cur_mq[temp_chan] = SR_MQ_TEMPERATURE;
164 devc->cur_unit[temp_chan] = SR_UNIT_CELSIUS;
165 devc->cur_digits[temp_chan] = 1;
166 devc->cur_encoding[temp_chan] = 2;
167 }
fb3a1505
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168 sdi->inst_type = SR_INST_SERIAL;
169 sdi->conn = serial;
e93cdf42 170 sdi->priv = devc;
5e23fcab 171 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
d822726d
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172 if (supported_agdmm[i].nb_channels > 1)
173 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "P2");
174 if (supported_agdmm[i].nb_channels > 2)
175 sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "P3");
e93cdf42
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176 devices = g_slist_append(devices, sdi);
177 break;
178 }
179 }
180 g_strfreev(tokens);
181 g_free(buf);
182
109a3ba4
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183 serial_close(serial);
184 if (!devices)
185 sr_serial_dev_inst_free(serial);
e93cdf42 186
15a5bfe4 187 return std_scan_complete(di, devices);
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188}
189
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190static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
191 const struct sr_channel_group *cg)
192{
193 struct dev_context *devc;
194 int ret;
195
196 (void)cg;
197
198 devc = sdi->priv;
199
200 ret = SR_OK;
201 switch (key) {
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202 case SR_CONF_SAMPLERATE:
203 *data = g_variant_new_uint64(devc->cur_samplerate);
204 break;
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205 case SR_CONF_LIMIT_SAMPLES:
206 case SR_CONF_LIMIT_MSEC:
207 ret = sr_sw_limits_config_get(&devc->limits, key, data);
208 break;
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209 case SR_CONF_DATA_SOURCE:
210 *data = g_variant_new_string(data_sources[devc->data_source]);
211 break;
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212 default:
213 return SR_ERR_NA;
214 }
215
216 return ret;
217}
218
584560f1 219static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
53b4680f 220 const struct sr_channel_group *cg)
e93cdf42
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221{
222 struct dev_context *devc;
b907d62f 223 uint64_t samplerate;
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224 const char *tmp_str;
225 unsigned int i;
6ace179e 226 int ret;
e93cdf42 227
53b4680f 228 (void)cg;
8f996b89 229
e93cdf42 230 if (sdi->status != SR_ST_ACTIVE)
e73ffd42 231 return SR_ERR_DEV_CLOSED;
e93cdf42 232
b0baddef 233 devc = sdi->priv;
e93cdf42 234
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235 ret = SR_OK;
236 switch (key) {
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237 case SR_CONF_SAMPLERATE:
238 samplerate = g_variant_get_uint64(data);
239 if (samplerate < samplerates[0] || samplerate > samplerates[1])
240 ret = SR_ERR_ARG;
241 else
242 devc->cur_samplerate = g_variant_get_uint64(data);
243 break;
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244 case SR_CONF_LIMIT_SAMPLES:
245 case SR_CONF_LIMIT_MSEC:
246 ret = sr_sw_limits_config_set(&devc->limits, key, data);
247 break;
63bb11ba
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248 case SR_CONF_DATA_SOURCE: {
249 tmp_str = g_variant_get_string(data, NULL);
250 for (i = 0; i < ARRAY_SIZE(data_sources); i++)
251 if (!strcmp(tmp_str, data_sources[i])) {
252 devc->data_source = i;
253 break;
254 }
255 if (i == ARRAY_SIZE(data_sources))
256 return SR_ERR;
257 break;
258 }
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259 default:
260 ret = SR_ERR_NA;
261 }
262
263 return ret;
e93cdf42
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264}
265
584560f1 266static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
53b4680f 267 const struct sr_channel_group *cg)
a1c743fc 268{
b907d62f
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269 GVariant *gvar;
270 GVariantBuilder gvb;
271
6ace179e 272 if (key == SR_CONF_SCAN_OPTIONS) {
584560f1 273 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
a0e0bb41 274 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
6ace179e
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275 return SR_OK;
276 }
277
278 if (key == SR_CONF_DEVICE_OPTIONS && !sdi) {
279 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
280 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
281 return SR_OK;
282 }
283
284 if (!sdi || cg)
285 return SR_ERR_ARG;
286
287 switch (key) {
9a6517d1 288 case SR_CONF_DEVICE_OPTIONS:
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289 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
290 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
9a6517d1 291 break;
b907d62f
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292 case SR_CONF_SAMPLERATE:
293 g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}"));
294 gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), samplerates,
295 ARRAY_SIZE(samplerates), sizeof(uint64_t));
296 g_variant_builder_add(&gvb, "{sv}", "samplerate-steps", gvar);
297 *data = g_variant_builder_end(&gvb);
298 break;
63bb11ba
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299 case SR_CONF_DATA_SOURCE:
300 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
301 break;
a1c743fc 302 default:
bd6fbf62 303 return SR_ERR_NA;
a1c743fc
BV
304 }
305
306 return SR_OK;
307}
308
695dc859 309static int dev_acquisition_start(const struct sr_dev_inst *sdi)
e93cdf42 310{
5b6829ea 311 struct dev_context *devc = sdi->priv;
fb3a1505 312 struct sr_serial_dev_inst *serial;
e93cdf42 313
d822726d
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314 devc->cur_channel = sr_next_enabled_channel(sdi, NULL);
315 devc->cur_conf = sr_next_enabled_channel(sdi, NULL);
63bb11ba 316 devc->cur_sample = 1;
d822726d
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317 devc->cur_mq[0] = -1;
318 if (devc->profile->nb_channels > 2)
319 devc->cur_mq[1] = -1;
320
63bb11ba
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321 if (devc->data_source == DATA_SOURCE_LIVE) {
322 devc->jobs = devc->profile->jobs_live;
323 } else {
324 devc->jobs = devc->profile->jobs_log;
325 if (!devc->jobs) {
326 sr_err("Log data source is not implemented for this model.");
327 return SR_ERR_NA;
328 }
329 if (!((struct sr_channel *)sdi->channels->data)->enabled) {
330 sr_err("Log data is only available for channel P1.");
331 return SR_ERR_NA;
332 }
333 }
334
5b6829ea 335 sr_sw_limits_acquisition_start(&devc->limits);
bee2b016 336 std_session_send_df_header(sdi);
e93cdf42 337
b907d62f 338 /* Poll every 10ms, or whenever some data comes in. */
fb3a1505 339 serial = sdi->conn;
b907d62f 340 serial_source_add(sdi->session, serial, G_IO_IN, 10,
102f1239 341 agdmm_receive_data, (void *)sdi);
e93cdf42
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342
343 return SR_OK;
344}
345
dd5c48a6 346static struct sr_dev_driver agdmm_driver_info = {
e93cdf42
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347 .name = "agilent-dmm",
348 .longname = "Agilent U12xx series DMMs",
349 .api_version = 1,
c2fdcc25 350 .init = std_init,
700d6b64 351 .cleanup = std_cleanup,
6078d2c9 352 .scan = scan,
c01bf34c 353 .dev_list = std_dev_list,
a6630742 354 .dev_clear = NULL,
6ace179e 355 .config_get = config_get,
035a1078 356 .config_set = config_set,
a1c743fc 357 .config_list = config_list,
854434de 358 .dev_open = std_serial_dev_open,
bf2c987f 359 .dev_close = std_serial_dev_close,
6078d2c9 360 .dev_acquisition_start = dev_acquisition_start,
4b1a9d5d 361 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
41812aca 362 .context = NULL,
e93cdf42 363};
dd5c48a6 364SR_REGISTER_DEV_DRIVER(agdmm_driver_info);