]>
Commit | Line | Data |
---|---|---|
7b4edcb6 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
c90beca7 | 4 | * Copyright (C) 2013, 2014 Matthias Heidbrink <m-sigrok@heidbrink.biz> |
7b4edcb6 MH |
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 | ||
6392d599 MH |
20 | /** @file |
21 | * Gossen Metrawatt Metrahit 1x/2x drivers | |
c90beca7 | 22 | * @internal |
6392d599 MH |
23 | */ |
24 | ||
6ec6c43b | 25 | #include <config.h> |
f5792417 | 26 | #include <string.h> |
7b4edcb6 MH |
27 | #include "protocol.h" |
28 | ||
f5792417 MH |
29 | /* Serial communication parameters for Metrahit 1x/2x with 'RS232' adaptor */ |
30 | #define SERIALCOMM_1X_RS232 "8228/6n1/dtr=1/rts=1/flow=0" /* =8192, closer with divider */ | |
31 | #define SERIALCOMM_2X_RS232 "9600/6n1/dtr=1/rts=1/flow=0" | |
6392d599 | 32 | #define SERIALCOMM_2X "9600/8n1/dtr=1/rts=1/flow=0" |
f5792417 MH |
33 | #define VENDOR_GMC "Gossen Metrawatt" |
34 | ||
a0e0bb41 | 35 | static const uint32_t scanopts[] = { |
f5792417 MH |
36 | SR_CONF_CONN, |
37 | SR_CONF_SERIALCOMM, | |
38 | }; | |
39 | ||
c90beca7 | 40 | /** Hardware capabilities for Metrahit 1x/2x devices in send mode. */ |
f254bc4b | 41 | static const uint32_t devopts_sm[] = { |
f5792417 | 42 | SR_CONF_MULTIMETER, |
6392d599 | 43 | SR_CONF_THERMOMETER, /**< All GMC 1x/2x multimeters seem to support this */ |
f5792417 | 44 | SR_CONF_CONTINUOUS, |
5827f61b BV |
45 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
46 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
f5792417 MH |
47 | }; |
48 | ||
c90beca7 | 49 | /** Hardware capabilities for Metrahit 2x devices in bidirectional Mode. */ |
f254bc4b | 50 | static const uint32_t devopts_bd[] = { |
c90beca7 MH |
51 | SR_CONF_MULTIMETER, |
52 | SR_CONF_THERMOMETER, /**< All GMC 1x/2x multimeters seem to support this */ | |
c90beca7 | 53 | SR_CONF_CONTINUOUS, |
5827f61b BV |
54 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
55 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
56 | SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET, | |
c90beca7 MH |
57 | }; |
58 | ||
6392d599 MH |
59 | /* TODO: |
60 | * - For the 29S SR_CONF_ENERGYMETER, too. | |
61 | * - SR_CONF_PATTERN_MODE for some 2x devices | |
62 | * - SR_CONF_DATALOG for 22M, 26M, 29S and storage adaptors. | |
63 | * Need to implement device-specific lists. | |
64 | */ | |
65 | ||
fc348b77 UH |
66 | /** |
67 | * Read single byte from serial port. | |
68 | * | |
69 | * @retval -1 Timeout or error. | |
70 | * @retval other Byte. | |
f5792417 MH |
71 | */ |
72 | static int read_byte(struct sr_serial_dev_inst *serial, gint64 timeout) | |
7b4edcb6 | 73 | { |
fc348b77 | 74 | uint8_t result = 0; |
f5792417 MH |
75 | int rc = 0; |
76 | ||
77 | for (;;) { | |
0714a010 | 78 | rc = serial_read_nonblocking(serial, &result, 1); |
f5792417 MH |
79 | if (rc == 1) { |
80 | sr_spew("read: 0x%02x/%d", result, result); | |
81 | return result; | |
82 | } | |
83 | if (g_get_monotonic_time() > timeout) | |
84 | return -1; | |
85 | g_usleep(2000); | |
86 | } | |
87 | } | |
88 | ||
fc348b77 UH |
89 | /** |
90 | * Try to detect GMC 1x/2x multimeter model in send mode for max. 1 second. | |
f5792417 | 91 | * |
fc348b77 UH |
92 | * @param serial Configured, open serial port. |
93 | * | |
94 | * @retval NULL Detection failed. | |
95 | * @retval other Model code. | |
f5792417 MH |
96 | */ |
97 | static enum model scan_model_sm(struct sr_serial_dev_inst *serial) | |
98 | { | |
99 | int byte, bytecnt, cnt; | |
100 | enum model model; | |
101 | gint64 timeout_us; | |
102 | ||
873e0c12 | 103 | model = METRAHIT_NONE; |
1a46cc62 | 104 | timeout_us = g_get_monotonic_time() + (1 * 1000 * 1000); |
f5792417 | 105 | |
fc348b77 UH |
106 | /* |
107 | * Try to find message consisting of device code and several | |
108 | * (at least 4) data bytes. | |
109 | */ | |
f5792417 MH |
110 | for (bytecnt = 0; bytecnt < 100; bytecnt++) { |
111 | byte = read_byte(serial, timeout_us); | |
112 | if ((byte == -1) || (timeout_us < g_get_monotonic_time())) | |
113 | break; | |
114 | if ((byte & MSGID_MASK) == MSGID_INF) { | |
873e0c12 | 115 | if (!(model = gmc_decode_model_sm(byte & MSGC_MASK))) |
f5792417 | 116 | break; |
fc348b77 | 117 | /* Now expect (at least) 4 data bytes. */ |
f5792417 MH |
118 | for (cnt = 0; cnt < 4; cnt++) { |
119 | byte = read_byte(serial, timeout_us); | |
120 | if ((byte == -1) || | |
c90beca7 | 121 | ((byte & MSGID_MASK) != MSGID_DATA)) |
f5792417 | 122 | { |
873e0c12 | 123 | model = METRAHIT_NONE; |
f5792417 MH |
124 | bytecnt = 100; |
125 | break; | |
126 | } | |
127 | } | |
128 | break; | |
129 | } | |
130 | } | |
7b4edcb6 | 131 | |
f5792417 MH |
132 | return model; |
133 | } | |
134 | ||
fc348b77 UH |
135 | /** |
136 | * Scan for Metrahit 1x and Metrahit 2x in send mode using Gossen Metrawatt | |
137 | * 'RS232' interface. | |
138 | * | |
139 | * The older 1x models use 8192 baud and the newer 2x 9600 baud. | |
140 | * The DMM usually sends up to about 20 messages per second. However, depending | |
141 | * on configuration and measurement mode the intervals can be much larger and | |
142 | * then the detection might not work. | |
f5792417 | 143 | */ |
4f840ce9 | 144 | static GSList *scan_1x_2x_rs232(struct sr_dev_driver *di, GSList *options) |
f5792417 MH |
145 | { |
146 | struct sr_dev_inst *sdi; | |
147 | struct drv_context *drvc; | |
148 | struct dev_context *devc; | |
149 | struct sr_config *src; | |
f5792417 MH |
150 | struct sr_serial_dev_inst *serial; |
151 | GSList *l, *devices; | |
152 | const char *conn, *serialcomm; | |
153 | enum model model; | |
154 | gboolean serialcomm_given; | |
7b4edcb6 MH |
155 | |
156 | devices = NULL; | |
41812aca | 157 | drvc = di->context; |
f5792417 | 158 | conn = serialcomm = NULL; |
f5792417 MH |
159 | serialcomm_given = FALSE; |
160 | ||
c90beca7 | 161 | sr_spew("scan_1x_2x_rs232() called!"); |
f5792417 MH |
162 | |
163 | for (l = options; l; l = l->next) { | |
164 | src = l->data; | |
165 | switch (src->key) { | |
166 | case SR_CONF_CONN: | |
167 | conn = g_variant_get_string(src->data, NULL); | |
168 | break; | |
169 | case SR_CONF_SERIALCOMM: | |
170 | serialcomm = g_variant_get_string(src->data, NULL); | |
171 | serialcomm_given = TRUE; | |
172 | break; | |
173 | } | |
174 | } | |
175 | if (!conn) | |
176 | return NULL; | |
177 | if (!serialcomm) | |
178 | serialcomm = SERIALCOMM_2X_RS232; | |
179 | ||
91219afc | 180 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
f5792417 | 181 | |
e13e354f | 182 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) { |
f5792417 MH |
183 | sr_serial_dev_inst_free(serial); |
184 | return NULL; | |
185 | } | |
7b4edcb6 | 186 | |
f5792417 MH |
187 | serial_flush(serial); |
188 | ||
189 | model = scan_model_sm(serial); | |
190 | ||
fc348b77 UH |
191 | /* |
192 | * If detection failed and no user-supplied parameters, | |
193 | * try second baud rate. | |
194 | */ | |
873e0c12 | 195 | if ((model == METRAHIT_NONE) && !serialcomm_given) { |
f5792417 MH |
196 | serialcomm = SERIALCOMM_1X_RS232; |
197 | g_free(serial->serialcomm); | |
198 | serial->serialcomm = g_strdup(serialcomm); | |
199 | if (serial_set_paramstr(serial, serialcomm) == SR_OK) { | |
200 | serial_flush(serial); | |
201 | model = scan_model_sm(serial); | |
202 | } | |
203 | } | |
204 | ||
873e0c12 UH |
205 | if (model != METRAHIT_NONE) { |
206 | sr_spew("%s %s detected!", VENDOR_GMC, gmc_model_str(model)); | |
aac29cc1 | 207 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
208 | sdi->status = SR_ST_INACTIVE; |
209 | sdi->vendor = g_strdup(VENDOR_GMC); | |
210 | sdi->model = g_strdup(gmc_model_str(model)); | |
f57d8ffe | 211 | devc = g_malloc0(sizeof(struct dev_context)); |
f5792417 MH |
212 | devc->model = model; |
213 | devc->limit_samples = 0; | |
214 | devc->limit_msec = 0; | |
215 | devc->num_samples = 0; | |
216 | devc->elapsed_msec = g_timer_new(); | |
217 | devc->settings_ok = FALSE; | |
f5792417 MH |
218 | sdi->conn = serial; |
219 | sdi->priv = devc; | |
5e23fcab | 220 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
f5792417 MH |
221 | devices = g_slist_append(devices, sdi); |
222 | } | |
7b4edcb6 | 223 | |
15a5bfe4 | 224 | return std_scan_complete(di, devices); |
7b4edcb6 MH |
225 | } |
226 | ||
1a863916 UH |
227 | /** |
228 | * Scan for Metrahit 2x in a bidirectional mode using Gossen Metrawatt | |
229 | * 'BD 232' interface. | |
c90beca7 | 230 | */ |
4f840ce9 | 231 | static GSList *scan_2x_bd232(struct sr_dev_driver *di, GSList *options) |
c90beca7 MH |
232 | { |
233 | struct sr_dev_inst *sdi; | |
234 | struct drv_context *drvc; | |
235 | struct dev_context *devc; | |
236 | struct sr_config *src; | |
c90beca7 MH |
237 | struct sr_serial_dev_inst *serial; |
238 | GSList *l, *devices; | |
239 | const char *conn, *serialcomm; | |
240 | int cnt, byte; | |
241 | gint64 timeout_us; | |
242 | ||
243 | sdi = NULL; | |
244 | devc = NULL; | |
245 | conn = serialcomm = NULL; | |
246 | devices = NULL; | |
247 | ||
41812aca | 248 | drvc = di->context; |
c90beca7 MH |
249 | |
250 | sr_spew("scan_2x_bd232() called!"); | |
251 | ||
252 | for (l = options; l; l = l->next) { | |
253 | src = l->data; | |
254 | switch (src->key) { | |
255 | case SR_CONF_CONN: | |
256 | conn = g_variant_get_string(src->data, NULL); | |
257 | break; | |
258 | case SR_CONF_SERIALCOMM: | |
259 | serialcomm = g_variant_get_string(src->data, NULL); | |
260 | break; | |
261 | } | |
262 | } | |
263 | if (!conn) | |
264 | return NULL; | |
265 | if (!serialcomm) | |
266 | serialcomm = SERIALCOMM_2X; | |
267 | ||
91219afc | 268 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
c90beca7 | 269 | |
e13e354f | 270 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
c90beca7 MH |
271 | goto exit_err; |
272 | ||
f57d8ffe | 273 | devc = g_malloc0(sizeof(struct dev_context)); |
c90beca7 | 274 | |
aac29cc1 | 275 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
276 | sdi->status = SR_ST_INACTIVE; |
277 | sdi->vendor = g_strdup(VENDOR_GMC); | |
c90beca7 MH |
278 | sdi->priv = devc; |
279 | ||
280 | /* Send message 03 "Query multimeter version and status" */ | |
281 | sdi->conn = serial; | |
c90beca7 MH |
282 | if (req_stat14(sdi, TRUE) != SR_OK) |
283 | goto exit_err; | |
284 | ||
285 | /* Wait for reply from device(s) for up to 2s. */ | |
1a46cc62 | 286 | timeout_us = g_get_monotonic_time() + (2 * 1000 * 1000); |
c90beca7 MH |
287 | |
288 | while (timeout_us > g_get_monotonic_time()) { | |
289 | /* Receive reply (14 bytes) */ | |
290 | devc->buflen = 0; | |
07ffa5b3 | 291 | for (cnt = 0; cnt < GMC_REPLY_SIZE; cnt++) { |
c90beca7 MH |
292 | byte = read_byte(serial, timeout_us); |
293 | if (byte != -1) | |
294 | devc->buf[devc->buflen++] = (byte & MASK_6BITS); | |
295 | } | |
296 | ||
07ffa5b3 | 297 | if (devc->buflen != GMC_REPLY_SIZE) |
c90beca7 MH |
298 | continue; |
299 | ||
300 | devc->addr = devc->buf[0]; | |
301 | process_msg14(sdi); | |
302 | devc->buflen = 0; | |
303 | ||
304 | if (devc->model != METRAHIT_NONE) { | |
305 | sr_spew("%s %s detected!", VENDOR_GMC, gmc_model_str(devc->model)); | |
c90beca7 | 306 | devc->elapsed_msec = g_timer_new(); |
c90beca7 MH |
307 | sdi->model = g_strdup(gmc_model_str(devc->model)); |
308 | sdi->version = g_strdup_printf("Firmware %d.%d", devc->fw_ver_maj, devc->fw_ver_min); | |
309 | sdi->conn = serial; | |
310 | sdi->priv = devc; | |
5e23fcab | 311 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
c90beca7 | 312 | devices = g_slist_append(devices, sdi); |
f57d8ffe | 313 | devc = g_malloc0(sizeof(struct dev_context)); |
aac29cc1 | 314 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
315 | sdi->status = SR_ST_INACTIVE; |
316 | sdi->vendor = g_strdup(VENDOR_GMC); | |
c90beca7 MH |
317 | } |
318 | }; | |
319 | ||
320 | /* Free last alloc if no device found */ | |
321 | if (devc->model == METRAHIT_NONE) { | |
322 | g_free(devc); | |
323 | sr_dev_inst_free(sdi); | |
324 | } | |
325 | ||
15a5bfe4 | 326 | return std_scan_complete(di, devices); |
c90beca7 MH |
327 | |
328 | exit_err: | |
329 | sr_info("scan_2x_bd232(): Error!"); | |
330 | ||
331 | if (serial) | |
332 | sr_serial_dev_inst_free(serial); | |
b1f83103 | 333 | g_free(devc); |
c90beca7 MH |
334 | if (sdi) |
335 | sr_dev_inst_free(sdi); | |
336 | ||
337 | return NULL; | |
338 | } | |
339 | ||
7b4edcb6 MH |
340 | static int dev_close(struct sr_dev_inst *sdi) |
341 | { | |
f5792417 | 342 | struct dev_context *devc; |
7b4edcb6 | 343 | |
bf2c987f | 344 | std_serial_dev_close(sdi); |
7b4edcb6 MH |
345 | |
346 | sdi->status = SR_ST_INACTIVE; | |
347 | ||
f5792417 MH |
348 | /* Free dynamically allocated resources. */ |
349 | if ((devc = sdi->priv) && devc->elapsed_msec) { | |
350 | g_timer_destroy(devc->elapsed_msec); | |
351 | devc->elapsed_msec = NULL; | |
873e0c12 | 352 | devc->model = METRAHIT_NONE; |
f5792417 MH |
353 | } |
354 | ||
7b4edcb6 MH |
355 | return SR_OK; |
356 | } | |
357 | ||
584560f1 BV |
358 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
359 | const struct sr_channel_group *cg) | |
7b4edcb6 MH |
360 | { |
361 | int ret; | |
fadd0707 | 362 | struct dev_context *devc; |
c90beca7 | 363 | |
53b4680f | 364 | (void)cg; |
c90beca7 | 365 | |
709468ba | 366 | if (!sdi) |
6392d599 MH |
367 | return SR_ERR_ARG; |
368 | ||
709468ba UH |
369 | devc = sdi->priv; |
370 | ||
7b4edcb6 MH |
371 | ret = SR_OK; |
372 | switch (key) { | |
6392d599 MH |
373 | case SR_CONF_LIMIT_SAMPLES: |
374 | *data = g_variant_new_uint64(devc->limit_samples); | |
375 | break; | |
376 | case SR_CONF_LIMIT_MSEC: | |
377 | *data = g_variant_new_uint64(devc->limit_msec); | |
378 | break; | |
c90beca7 MH |
379 | case SR_CONF_POWER_OFF: |
380 | *data = g_variant_new_boolean(FALSE); | |
381 | break; | |
7b4edcb6 MH |
382 | default: |
383 | return SR_ERR_NA; | |
384 | } | |
385 | ||
386 | return ret; | |
387 | } | |
388 | ||
1a863916 | 389 | /** Implementation of config_list, auxiliary function for common parts. */ |
584560f1 BV |
390 | static int config_list_common(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
391 | const struct sr_channel_group *cg) | |
7b4edcb6 | 392 | { |
c90beca7 | 393 | (void)sdi; |
53b4680f | 394 | (void)cg; |
7b4edcb6 | 395 | |
7b4edcb6 | 396 | switch (key) { |
c90beca7 | 397 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 398 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5827f61b | 399 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
f5792417 | 400 | break; |
7b4edcb6 | 401 | default: |
f5792417 | 402 | return SR_ERR_NA; |
7b4edcb6 MH |
403 | } |
404 | ||
f5792417 | 405 | return SR_OK; |
7b4edcb6 MH |
406 | } |
407 | ||
c90beca7 | 408 | /** Implementation of config_list for Metrahit 1x/2x send mode */ |
584560f1 | 409 | static int config_list_sm(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 410 | const struct sr_channel_group *cg) |
7b4edcb6 | 411 | { |
7b4edcb6 | 412 | switch (key) { |
c90beca7 | 413 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 | 414 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5827f61b | 415 | devopts_sm, ARRAY_SIZE(devopts_sm), sizeof(uint32_t)); |
f5792417 | 416 | break; |
c90beca7 | 417 | default: |
53b4680f | 418 | return config_list_common(key, data, sdi, cg); |
c90beca7 MH |
419 | } |
420 | ||
421 | return SR_OK; | |
422 | } | |
423 | ||
424 | /** Implementation of config_list for Metrahit 2x bidirectional mode */ | |
584560f1 | 425 | static int config_list_bd(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 426 | const struct sr_channel_group *cg) |
c90beca7 | 427 | { |
c90beca7 | 428 | switch (key) { |
f5792417 | 429 | case SR_CONF_DEVICE_OPTIONS: |
584560f1 | 430 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
5827f61b | 431 | devopts_bd, ARRAY_SIZE(devopts_bd), sizeof(uint32_t)); |
f5792417 | 432 | break; |
7b4edcb6 | 433 | default: |
53b4680f | 434 | return config_list_common(key, data, sdi, cg); |
7b4edcb6 MH |
435 | } |
436 | ||
f5792417 | 437 | return SR_OK; |
7b4edcb6 MH |
438 | } |
439 | ||
695dc859 | 440 | static int dev_acquisition_start_1x_2x_rs232(const struct sr_dev_inst *sdi) |
7b4edcb6 | 441 | { |
f5792417 MH |
442 | struct dev_context *devc; |
443 | struct sr_serial_dev_inst *serial; | |
444 | ||
7b4edcb6 MH |
445 | if (sdi->status != SR_ST_ACTIVE) |
446 | return SR_ERR_DEV_CLOSED; | |
447 | ||
208c1d35 | 448 | devc = sdi->priv; |
f5792417 MH |
449 | devc->settings_ok = FALSE; |
450 | devc->buflen = 0; | |
451 | ||
695dc859 | 452 | std_session_send_df_header(sdi, LOG_PREFIX); |
f5792417 MH |
453 | |
454 | /* Start timer, if required. */ | |
455 | if (devc->limit_msec) | |
456 | g_timer_start(devc->elapsed_msec); | |
457 | ||
458 | /* Poll every 40ms, or whenever some data comes in. */ | |
459 | serial = sdi->conn; | |
102f1239 BV |
460 | serial_source_add(sdi->session, serial, G_IO_IN, 40, |
461 | gmc_mh_1x_2x_receive_data, (void *)sdi); | |
7b4edcb6 MH |
462 | |
463 | return SR_OK; | |
464 | } | |
465 | ||
695dc859 | 466 | static int dev_acquisition_start_2x_bd232(const struct sr_dev_inst *sdi) |
c90beca7 MH |
467 | { |
468 | struct dev_context *devc; | |
469 | struct sr_serial_dev_inst *serial; | |
470 | ||
c90beca7 MH |
471 | if (sdi->status != SR_ST_ACTIVE) |
472 | return SR_ERR_DEV_CLOSED; | |
473 | ||
208c1d35 | 474 | devc = sdi->priv; |
c90beca7 MH |
475 | devc->settings_ok = FALSE; |
476 | devc->buflen = 0; | |
477 | ||
695dc859 | 478 | std_session_send_df_header(sdi, LOG_PREFIX); |
c90beca7 MH |
479 | |
480 | /* Start timer, if required. */ | |
481 | if (devc->limit_msec) | |
482 | g_timer_start(devc->elapsed_msec); | |
483 | ||
484 | /* Poll every 40ms, or whenever some data comes in. */ | |
485 | serial = sdi->conn; | |
102f1239 BV |
486 | serial_source_add(sdi->session, serial, G_IO_IN, 40, |
487 | gmc_mh_2x_receive_data, (void *)sdi); | |
c90beca7 MH |
488 | |
489 | /* Send start message */ | |
490 | return req_meas14(sdi); | |
491 | } | |
492 | ||
695dc859 | 493 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
7b4edcb6 | 494 | { |
f5792417 | 495 | struct dev_context *devc; |
7b4edcb6 | 496 | |
f5792417 MH |
497 | /* Stop timer, if required. */ |
498 | if (sdi && (devc = sdi->priv) && devc->limit_msec) | |
499 | g_timer_stop(devc->elapsed_msec); | |
7b4edcb6 | 500 | |
6525d819 | 501 | return std_serial_dev_acquisition_stop(sdi, dev_close, |
f5792417 | 502 | sdi->conn, LOG_PREFIX); |
7b4edcb6 MH |
503 | } |
504 | ||
dd5c48a6 | 505 | static struct sr_dev_driver gmc_mh_1x_2x_rs232_driver_info = { |
7b4edcb6 | 506 | .name = "gmc-mh-1x-2x-rs232", |
a90061e5 | 507 | .longname = "Gossen Metrawatt Metrahit 1x/2x, RS232 interface", |
7b4edcb6 | 508 | .api_version = 1, |
c2fdcc25 | 509 | .init = std_init, |
700d6b64 | 510 | .cleanup = std_cleanup, |
c90beca7 | 511 | .scan = scan_1x_2x_rs232, |
c01bf34c | 512 | .dev_list = std_dev_list, |
a6630742 | 513 | .dev_clear = NULL, |
c90beca7 MH |
514 | .config_get = config_get, |
515 | .config_set = config_set, | |
516 | .config_list = config_list_sm, | |
517 | .dev_open = std_serial_dev_open, | |
518 | .dev_close = dev_close, | |
519 | .dev_acquisition_start = dev_acquisition_start_1x_2x_rs232, | |
520 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 521 | .context = NULL, |
c90beca7 | 522 | }; |
dd5c48a6 | 523 | SR_REGISTER_DEV_DRIVER(gmc_mh_1x_2x_rs232_driver_info); |
c90beca7 | 524 | |
dd5c48a6 | 525 | static struct sr_dev_driver gmc_mh_2x_bd232_driver_info = { |
c90beca7 | 526 | .name = "gmc-mh-2x-bd232", |
a90061e5 | 527 | .longname = "Gossen Metrawatt Metrahit 2x, BD232/SI232-II interface", |
c90beca7 | 528 | .api_version = 1, |
c2fdcc25 | 529 | .init = std_init, |
700d6b64 | 530 | .cleanup = std_cleanup, |
c90beca7 | 531 | .scan = scan_2x_bd232, |
c01bf34c | 532 | .dev_list = std_dev_list, |
a6630742 | 533 | .dev_clear = NULL, |
7b4edcb6 MH |
534 | .config_get = config_get, |
535 | .config_set = config_set, | |
c90beca7 | 536 | .config_list = config_list_bd, |
854434de | 537 | .dev_open = std_serial_dev_open, |
7b4edcb6 | 538 | .dev_close = dev_close, |
c90beca7 | 539 | .dev_acquisition_start = dev_acquisition_start_2x_bd232, |
27fd2eaa | 540 | .dev_acquisition_stop = dev_acquisition_stop, |
41812aca | 541 | .context = NULL, |
7b4edcb6 | 542 | }; |
dd5c48a6 | 543 | SR_REGISTER_DEV_DRIVER(gmc_mh_2x_bd232_driver_info); |