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Commit | Line | Data |
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883a2e9e | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
883a2e9e BV |
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 | ||
20 | #include <glib.h> | |
4f958423 BV |
21 | #include <sys/types.h> |
22 | #include <sys/stat.h> | |
23 | #include <fcntl.h> | |
24 | #include <string.h> | |
25 | #include <errno.h> | |
6f22a8ef UH |
26 | #include "libsigrok.h" |
27 | #include "libsigrok-internal.h" | |
28 | #include "fluke-dmm.h" | |
883a2e9e | 29 | |
70424328 | 30 | static const int32_t hwopts[] = { |
1953564a BV |
31 | SR_CONF_CONN, |
32 | SR_CONF_SERIALCOMM, | |
d3f8f141 BV |
33 | }; |
34 | ||
70424328 | 35 | static const int32_t hwcaps[] = { |
1953564a BV |
36 | SR_CONF_MULTIMETER, |
37 | SR_CONF_LIMIT_SAMPLES, | |
38 | SR_CONF_LIMIT_MSEC, | |
39 | SR_CONF_CONTINUOUS, | |
d3f8f141 BV |
40 | }; |
41 | ||
e7edd64f BV |
42 | SR_PRIV struct sr_dev_driver flukedmm_driver_info; |
43 | static struct sr_dev_driver *di = &flukedmm_driver_info; | |
883a2e9e | 44 | |
9fa09680 BV |
45 | static char *scan_conn[] = { |
46 | /* 287/289 */ | |
47 | "115200/8n1", | |
48 | /* 187/189 */ | |
49 | "9600/8n1", | |
50 | /* Scopemeter 190 series */ | |
51 | "1200/8n1", | |
52 | NULL | |
53 | }; | |
54 | ||
4f958423 | 55 | static const struct flukedmm_profile supported_flukedmm[] = { |
d4b11de0 BV |
56 | { FLUKE_187, "187", 100, 1000 }, |
57 | { FLUKE_287, "287", 100, 1000 }, | |
58 | { FLUKE_190, "199B", 1000, 3500 }, | |
4f958423 BV |
59 | }; |
60 | ||
883a2e9e BV |
61 | |
62 | /* Properly close and free all devices. */ | |
63 | static int clear_instances(void) | |
64 | { | |
65 | struct sr_dev_inst *sdi; | |
66 | struct drv_context *drvc; | |
67 | struct dev_context *devc; | |
919681f0 | 68 | struct sr_serial_dev_inst *serial; |
883a2e9e BV |
69 | GSList *l; |
70 | ||
4f958423 BV |
71 | if (!(drvc = di->priv)) |
72 | return SR_OK; | |
73 | ||
883a2e9e BV |
74 | drvc = di->priv; |
75 | for (l = drvc->instances; l; l = l->next) { | |
4f958423 | 76 | if (!(sdi = l->data)) |
883a2e9e | 77 | continue; |
4f958423 | 78 | if (!(devc = sdi->priv)) |
883a2e9e | 79 | continue; |
919681f0 BV |
80 | serial = sdi->conn; |
81 | sr_serial_dev_inst_free(serial); | |
883a2e9e BV |
82 | sr_dev_inst_free(sdi); |
83 | } | |
883a2e9e BV |
84 | g_slist_free(drvc->instances); |
85 | drvc->instances = NULL; | |
86 | ||
87 | return SR_OK; | |
88 | } | |
89 | ||
34f06b90 | 90 | static int hw_init(struct sr_context *sr_ctx) |
883a2e9e | 91 | { |
063e7aef | 92 | return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN); |
883a2e9e BV |
93 | } |
94 | ||
41298320 | 95 | static GSList *fluke_scan(const char *conn, const char *serialcomm) |
883a2e9e | 96 | { |
4f958423 | 97 | struct sr_dev_inst *sdi; |
883a2e9e | 98 | struct drv_context *drvc; |
4f958423 | 99 | struct dev_context *devc; |
4f958423 | 100 | struct sr_probe *probe; |
58d03f03 | 101 | struct sr_serial_dev_inst *serial; |
41298320 | 102 | GSList *devices; |
58d03f03 | 103 | int retry, len, i, s; |
fb480d57 | 104 | char buf[128], *b, **tokens; |
883a2e9e | 105 | |
58d03f03 | 106 | if (!(serial = sr_serial_dev_inst_new(conn, serialcomm))) |
4f958423 | 107 | return NULL; |
58d03f03 | 108 | |
a54dd31e | 109 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
4f958423 | 110 | return NULL; |
4f958423 | 111 | |
41298320 | 112 | drvc = di->priv; |
fb480d57 BV |
113 | b = buf; |
114 | retry = 0; | |
41298320 | 115 | devices = NULL; |
fb480d57 BV |
116 | /* We'll try the discovery sequence three times in case the device |
117 | * is not in an idle state when we send ID. */ | |
118 | while (!devices && retry < 3) { | |
119 | retry++; | |
58d03f03 BV |
120 | serial_flush(serial); |
121 | if (serial_write(serial, "ID\r", 3) == -1) { | |
31d84da3 UH |
122 | sr_err("Unable to send ID string: %s.", |
123 | strerror(errno)); | |
fb480d57 BV |
124 | continue; |
125 | } | |
4f958423 | 126 | |
fb480d57 BV |
127 | /* Response is first a CMD_ACK byte (ASCII '0' for OK, |
128 | * or '1' to signify an error. */ | |
129 | len = 128; | |
58d03f03 | 130 | serial_readline(serial, &b, &len, 150); |
fb480d57 BV |
131 | if (len != 1) |
132 | continue; | |
41298320 | 133 | if (buf[0] != '0') |
fb480d57 | 134 | continue; |
4f958423 | 135 | |
fb480d57 BV |
136 | /* If CMD_ACK was OK, ID string follows. */ |
137 | len = 128; | |
9fa09680 | 138 | serial_readline(serial, &b, &len, 850); |
fb480d57 BV |
139 | if (len < 10) |
140 | continue; | |
9fa09680 BV |
141 | if (strcspn(buf, ",") < 15) |
142 | /* Looks like it's comma-separated. */ | |
143 | tokens = g_strsplit(buf, ",", 3); | |
144 | else | |
145 | /* Fluke 199B, at least, uses semicolon. */ | |
146 | tokens = g_strsplit(buf, ";", 3); | |
fb480d57 BV |
147 | if (!strncmp("FLUKE", tokens[0], 5) |
148 | && tokens[1] && tokens[2]) { | |
149 | for (i = 0; supported_flukedmm[i].model; i++) { | |
150 | if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6)) | |
151 | continue; | |
152 | /* Skip leading spaces in version number. */ | |
153 | for (s = 0; tokens[1][s] == ' '; s++); | |
154 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke", | |
155 | tokens[0] + 6, tokens[1] + s))) | |
156 | return NULL; | |
157 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
31d84da3 | 158 | sr_err("Device context malloc failed."); |
fb480d57 BV |
159 | return NULL; |
160 | } | |
161 | devc->profile = &supported_flukedmm[i]; | |
919681f0 | 162 | sdi->conn = serial; |
fb480d57 BV |
163 | sdi->priv = devc; |
164 | sdi->driver = di; | |
165 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) | |
166 | return NULL; | |
167 | sdi->probes = g_slist_append(sdi->probes, probe); | |
168 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
169 | devices = g_slist_append(devices, sdi); | |
170 | break; | |
4f958423 | 171 | } |
4f958423 | 172 | } |
fb480d57 | 173 | g_strfreev(tokens); |
9fa09680 BV |
174 | if (devices) |
175 | /* Found one. */ | |
176 | break; | |
4f958423 | 177 | } |
58d03f03 BV |
178 | serial_close(serial); |
179 | if (!devices) | |
180 | sr_serial_dev_inst_free(serial); | |
883a2e9e BV |
181 | |
182 | return devices; | |
183 | } | |
184 | ||
41298320 BV |
185 | static GSList *hw_scan(GSList *options) |
186 | { | |
1987b8d6 | 187 | struct sr_config *src; |
41298320 | 188 | GSList *l, *devices; |
9fa09680 | 189 | int i; |
41298320 BV |
190 | const char *conn, *serialcomm; |
191 | ||
192 | conn = serialcomm = NULL; | |
193 | for (l = options; l; l = l->next) { | |
1987b8d6 BV |
194 | src = l->data; |
195 | switch (src->key) { | |
1953564a | 196 | case SR_CONF_CONN: |
70424328 | 197 | conn = g_variant_get_string(src->data, NULL); |
41298320 | 198 | break; |
1953564a | 199 | case SR_CONF_SERIALCOMM: |
70424328 | 200 | serialcomm = g_variant_get_string(src->data, NULL); |
41298320 BV |
201 | break; |
202 | } | |
203 | } | |
204 | if (!conn) | |
205 | return NULL; | |
206 | ||
207 | if (serialcomm) { | |
208 | /* Use the provided comm specs. */ | |
209 | devices = fluke_scan(conn, serialcomm); | |
210 | } else { | |
9fa09680 BV |
211 | for (i = 0; scan_conn[i]; i++) { |
212 | if ((devices = fluke_scan(conn, scan_conn[i]))) | |
213 | break; | |
214 | /* The Scopemeter 199B, at least, requires this | |
215 | * after all the 115k/9.6k confusion. */ | |
216 | g_usleep(5000); | |
217 | } | |
41298320 BV |
218 | } |
219 | ||
220 | return devices; | |
221 | } | |
222 | ||
883a2e9e BV |
223 | static GSList *hw_dev_list(void) |
224 | { | |
0e94d524 | 225 | return ((struct drv_context *)(di->priv))->instances; |
883a2e9e BV |
226 | } |
227 | ||
228 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
229 | { | |
919681f0 | 230 | struct sr_serial_dev_inst *serial; |
41298320 | 231 | |
919681f0 BV |
232 | serial = sdi->conn; |
233 | if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) | |
41298320 | 234 | return SR_ERR; |
58d03f03 | 235 | |
41298320 | 236 | sdi->status = SR_ST_ACTIVE; |
883a2e9e BV |
237 | |
238 | return SR_OK; | |
239 | } | |
240 | ||
241 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
242 | { | |
919681f0 | 243 | struct sr_serial_dev_inst *serial; |
d3f8f141 | 244 | |
919681f0 BV |
245 | serial = sdi->conn; |
246 | if (serial && serial->fd != -1) { | |
247 | serial_close(serial); | |
d3f8f141 BV |
248 | sdi->status = SR_ST_INACTIVE; |
249 | } | |
883a2e9e BV |
250 | |
251 | return SR_OK; | |
252 | } | |
253 | ||
254 | static int hw_cleanup(void) | |
255 | { | |
256 | ||
257 | clear_instances(); | |
258 | ||
883a2e9e BV |
259 | return SR_OK; |
260 | } | |
261 | ||
70424328 | 262 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) |
883a2e9e | 263 | { |
d3f8f141 | 264 | struct dev_context *devc; |
883a2e9e BV |
265 | |
266 | if (sdi->status != SR_ST_ACTIVE) | |
e73ffd42 | 267 | return SR_ERR_DEV_CLOSED; |
883a2e9e | 268 | |
d3f8f141 | 269 | if (!(devc = sdi->priv)) { |
31d84da3 | 270 | sr_err("sdi->priv was NULL."); |
d3f8f141 BV |
271 | return SR_ERR_BUG; |
272 | } | |
273 | ||
035a1078 | 274 | switch (id) { |
1953564a | 275 | case SR_CONF_LIMIT_MSEC: |
d3f8f141 | 276 | /* TODO: not yet implemented */ |
70424328 | 277 | if (g_variant_get_uint64(data) == 0) { |
31d84da3 | 278 | sr_err("LIMIT_MSEC can't be 0."); |
d3f8f141 BV |
279 | return SR_ERR; |
280 | } | |
70424328 | 281 | devc->limit_msec = g_variant_get_uint64(data); |
31d84da3 | 282 | sr_dbg("Setting time limit to %" PRIu64 "ms.", |
d3f8f141 BV |
283 | devc->limit_msec); |
284 | break; | |
1953564a | 285 | case SR_CONF_LIMIT_SAMPLES: |
70424328 | 286 | devc->limit_samples = g_variant_get_uint64(data); |
31d84da3 | 287 | sr_dbg("Setting sample limit to %" PRIu64 ".", |
d3f8f141 BV |
288 | devc->limit_samples); |
289 | break; | |
883a2e9e | 290 | default: |
bd6fbf62 | 291 | return SR_ERR_NA; |
883a2e9e BV |
292 | } |
293 | ||
d3f8f141 | 294 | return SR_OK; |
883a2e9e BV |
295 | } |
296 | ||
70424328 | 297 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) |
a1c743fc BV |
298 | { |
299 | ||
300 | (void)sdi; | |
301 | ||
302 | switch (key) { | |
0d485e30 | 303 | case SR_CONF_SCAN_OPTIONS: |
70424328 BV |
304 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
305 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
0d485e30 | 306 | break; |
9a6517d1 | 307 | case SR_CONF_DEVICE_OPTIONS: |
70424328 BV |
308 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, |
309 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
9a6517d1 | 310 | break; |
a1c743fc | 311 | default: |
bd6fbf62 | 312 | return SR_ERR_NA; |
a1c743fc BV |
313 | } |
314 | ||
315 | return SR_OK; | |
316 | } | |
317 | ||
883a2e9e BV |
318 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
319 | void *cb_data) | |
320 | { | |
d3f8f141 | 321 | struct dev_context *devc; |
919681f0 | 322 | struct sr_serial_dev_inst *serial; |
d3f8f141 | 323 | |
e73ffd42 BV |
324 | if (sdi->status != SR_ST_ACTIVE) |
325 | return SR_ERR_DEV_CLOSED; | |
326 | ||
d3f8f141 | 327 | if (!(devc = sdi->priv)) { |
31d84da3 | 328 | sr_err("sdi->priv was NULL."); |
d3f8f141 BV |
329 | return SR_ERR_BUG; |
330 | } | |
331 | ||
d3f8f141 BV |
332 | devc->cb_data = cb_data; |
333 | ||
334 | /* Send header packet to the session bus. */ | |
4afdfd46 | 335 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); |
883a2e9e | 336 | |
d3f8f141 | 337 | /* Poll every 100ms, or whenever some data comes in. */ |
919681f0 BV |
338 | serial = sdi->conn; |
339 | sr_source_add(serial->fd, G_IO_IN, 50, fluke_receive_data, (void *)sdi); | |
d38d2ef0 | 340 | |
919681f0 | 341 | if (serial_write(serial, "QM\r", 3) == -1) { |
31d84da3 | 342 | sr_err("Unable to send QM: %s.", strerror(errno)); |
d38d2ef0 BV |
343 | return SR_ERR; |
344 | } | |
345 | devc->cmd_sent_at = g_get_monotonic_time() / 1000; | |
346 | devc->expect_response = TRUE; | |
883a2e9e BV |
347 | |
348 | return SR_OK; | |
349 | } | |
350 | ||
69b07d14 | 351 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
883a2e9e | 352 | { |
cd2f0fe2 | 353 | return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close, |
919681f0 | 354 | sdi->conn, DRIVER_LOG_DOMAIN); |
883a2e9e BV |
355 | } |
356 | ||
e7edd64f | 357 | SR_PRIV struct sr_dev_driver flukedmm_driver_info = { |
883a2e9e BV |
358 | .name = "fluke-dmm", |
359 | .longname = "Fluke 18x/28x series DMMs", | |
360 | .api_version = 1, | |
361 | .init = hw_init, | |
362 | .cleanup = hw_cleanup, | |
363 | .scan = hw_scan, | |
364 | .dev_list = hw_dev_list, | |
365 | .dev_clear = clear_instances, | |
6fab7b8f | 366 | .config_get = NULL, |
035a1078 | 367 | .config_set = config_set, |
a1c743fc | 368 | .config_list = config_list, |
883a2e9e BV |
369 | .dev_open = hw_dev_open, |
370 | .dev_close = hw_dev_close, | |
883a2e9e BV |
371 | .dev_acquisition_start = hw_dev_acquisition_start, |
372 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
373 | .priv = NULL, | |
374 | }; |