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bfd48770 MH |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz> | |
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 | ||
a4e435eb MH |
20 | /** @file |
21 | * Norma DM9x0/Siemens B102x DMMs driver. | |
22 | * @internal | |
23 | */ | |
24 | ||
bfd48770 MH |
25 | #include "protocol.h" |
26 | ||
a0e0bb41 | 27 | static const uint32_t scanopts[] = { |
f8e76e2e MH |
28 | SR_CONF_CONN, |
29 | SR_CONF_SERIALCOMM, | |
30 | }; | |
31 | ||
f254bc4b | 32 | static const uint32_t devopts[] = { |
f8e76e2e | 33 | SR_CONF_MULTIMETER, |
f8e76e2e | 34 | SR_CONF_CONTINUOUS, |
5827f61b BV |
35 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
36 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
f8e76e2e MH |
37 | }; |
38 | ||
e790bd5c | 39 | #define BUF_MAX 50 |
f8e76e2e MH |
40 | |
41 | #define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1" | |
42 | ||
bfd48770 | 43 | SR_PRIV struct sr_dev_driver norma_dmm_driver_info; |
49c06128 | 44 | SR_PRIV struct sr_dev_driver siemens_b102x_driver_info; |
bfd48770 | 45 | |
49c06128 | 46 | static const char* get_brandstr(struct sr_dev_driver* drv) |
bfd48770 | 47 | { |
49c06128 MH |
48 | if (drv == &norma_dmm_driver_info) |
49 | return "Norma"; | |
50 | else | |
51 | return "Siemens"; | |
bfd48770 MH |
52 | } |
53 | ||
49c06128 MH |
54 | static const char* get_typestr(int type, struct sr_dev_driver* drv) |
55 | { | |
56 | static const char* nameref[5][2] = { | |
57 | {"DM910", "B1024"}, | |
58 | {"DM920", "B1025"}, | |
59 | {"DM930", "B1026"}, | |
60 | {"DM940", "B1027"}, | |
61 | {"DM950", "B1028"}}; | |
62 | ||
63 | if ((type < 1) || (type > 5)) | |
64 | return "Unknown type!"; | |
65 | ||
66 | return nameref[type-1][(drv == &siemens_b102x_driver_info)]; | |
67 | } | |
68 | ||
4f840ce9 | 69 | static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx) |
49c06128 | 70 | { |
4f840ce9 | 71 | return std_init(sr_ctx, di, LOG_PREFIX); |
49c06128 MH |
72 | } |
73 | ||
4f840ce9 | 74 | static GSList *scan(struct sr_dev_driver* drv, GSList *options) |
bfd48770 | 75 | { |
f8e76e2e | 76 | struct sr_dev_inst *sdi; |
bfd48770 | 77 | struct drv_context *drvc; |
f8e76e2e MH |
78 | struct dev_context *devc; |
79 | struct sr_config *src; | |
f8e76e2e MH |
80 | struct sr_serial_dev_inst *serial; |
81 | GSList *l, *devices; | |
82 | int len, cnt; | |
83 | const char *conn, *serialcomm; | |
84 | char *buf; | |
f8e76e2e MH |
85 | char req[10]; |
86 | int auxtype; | |
87 | ||
bfd48770 | 88 | devices = NULL; |
49c06128 | 89 | drvc = drv->priv; |
bfd48770 | 90 | drvc->instances = NULL; |
f8e76e2e MH |
91 | conn = serialcomm = NULL; |
92 | ||
93 | for (l = options; l; l = l->next) { | |
94 | src = l->data; | |
95 | switch (src->key) { | |
96 | case SR_CONF_CONN: | |
97 | conn = g_variant_get_string(src->data, NULL); | |
98 | break; | |
99 | case SR_CONF_SERIALCOMM: | |
100 | serialcomm = g_variant_get_string(src->data, NULL); | |
101 | break; | |
102 | } | |
103 | } | |
104 | if (!conn) | |
105 | return NULL; | |
106 | if (!serialcomm) | |
107 | serialcomm = SERIALCOMM; | |
108 | ||
91219afc | 109 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
f8e76e2e | 110 | |
d12ef776 | 111 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
f8e76e2e MH |
112 | return NULL; |
113 | ||
114 | serial_flush(serial); | |
bfd48770 | 115 | |
a95f142e | 116 | buf = g_malloc(BUF_MAX); |
f8e76e2e MH |
117 | |
118 | snprintf(req, sizeof(req), "%s\r\n", | |
e790bd5c | 119 | nmadmm_requests[NMADMM_REQ_IDN].req_str); |
a4e435eb | 120 | g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */ |
f8e76e2e | 121 | for (cnt = 0; cnt < 7; cnt++) { |
eead2782 | 122 | if (serial_write_blocking(serial, req, strlen(req), 0) < 0) { |
8849f45a | 123 | sr_err("Unable to send identification request."); |
f8e76e2e MH |
124 | return NULL; |
125 | } | |
126 | len = BUF_MAX; | |
a4e435eb | 127 | serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS); |
f8e76e2e MH |
128 | if (!len) |
129 | continue; | |
e790bd5c | 130 | buf[BUF_MAX - 1] = '\0'; |
f8e76e2e | 131 | |
e790bd5c UH |
132 | /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950) */ |
133 | if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) { | |
f8e76e2e | 134 | auxtype = xgittoint(buf[7]); |
49c06128 | 135 | sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9); |
f8e76e2e | 136 | |
aac29cc1 | 137 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
138 | sdi->status = SR_ST_INACTIVE; |
139 | sdi->vendor = g_strdup(get_brandstr(drv)); | |
140 | sdi->model = g_strdup(get_typestr(auxtype, drv)); | |
141 | sdi->version = g_strdup(buf + 9); | |
f57d8ffe | 142 | devc = g_malloc0(sizeof(struct dev_context)); |
f8e76e2e MH |
143 | devc->type = auxtype; |
144 | devc->version = g_strdup(&buf[9]); | |
145 | devc->elapsed_msec = g_timer_new(); | |
f8e76e2e MH |
146 | sdi->conn = serial; |
147 | sdi->priv = devc; | |
49c06128 | 148 | sdi->driver = drv; |
5e23fcab | 149 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
f8e76e2e MH |
150 | drvc->instances = g_slist_append(drvc->instances, sdi); |
151 | devices = g_slist_append(devices, sdi); | |
152 | break; | |
153 | } | |
e790bd5c UH |
154 | |
155 | /* | |
156 | * The interface of the DM9x0 contains a cap that needs to | |
157 | * charge for up to 10s before the interface works, if not | |
158 | * powered externally. Therefore wait a little to improve | |
159 | * chances. | |
160 | */ | |
f8e76e2e MH |
161 | if (cnt == 3) { |
162 | sr_info("Waiting 5s to allow interface to settle."); | |
163 | g_usleep(5 * 1000 * 1000); | |
164 | } | |
165 | } | |
166 | ||
167 | g_free(buf); | |
168 | ||
169 | serial_close(serial); | |
170 | if (!devices) | |
171 | sr_serial_dev_inst_free(serial); | |
bfd48770 MH |
172 | |
173 | return devices; | |
174 | } | |
175 | ||
4f840ce9 | 176 | static GSList *dev_list(const struct sr_dev_driver *di) |
49c06128 | 177 | { |
41812aca | 178 | return ((struct drv_context *)(di->context))->instances; |
bfd48770 MH |
179 | } |
180 | ||
bfd48770 MH |
181 | static int dev_close(struct sr_dev_inst *sdi) |
182 | { | |
f8e76e2e | 183 | struct dev_context *devc; |
bfd48770 | 184 | |
bf2c987f | 185 | std_serial_dev_close(sdi); |
bfd48770 | 186 | |
e790bd5c | 187 | /* Free dynamically allocated resources. */ |
f8e76e2e MH |
188 | if ((devc = sdi->priv) && devc->version) { |
189 | g_free(devc->version); | |
190 | devc->version = NULL; | |
191 | g_timer_destroy(devc->elapsed_msec); | |
192 | } | |
bfd48770 MH |
193 | |
194 | return SR_OK; | |
195 | } | |
196 | ||
4f840ce9 | 197 | static int cleanup(const struct sr_dev_driver *di) |
bfd48770 | 198 | { |
4f840ce9 | 199 | return std_dev_clear(di, NULL); |
bfd48770 MH |
200 | } |
201 | ||
584560f1 | 202 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 203 | const struct sr_channel_group *cg) |
bfd48770 | 204 | { |
f8e76e2e | 205 | struct dev_context *devc; |
bfd48770 | 206 | |
53b4680f | 207 | (void)cg; |
d3c74a6f | 208 | |
bfd48770 MH |
209 | if (sdi->status != SR_ST_ACTIVE) |
210 | return SR_ERR_DEV_CLOSED; | |
211 | ||
f8e76e2e MH |
212 | if (!(devc = sdi->priv)) { |
213 | sr_err("sdi->priv was NULL."); | |
214 | return SR_ERR_BUG; | |
215 | } | |
216 | ||
bfd48770 | 217 | switch (key) { |
f8e76e2e | 218 | case SR_CONF_LIMIT_MSEC: |
f8e76e2e | 219 | devc->limit_msec = g_variant_get_uint64(data); |
f8e76e2e MH |
220 | break; |
221 | case SR_CONF_LIMIT_SAMPLES: | |
222 | devc->limit_samples = g_variant_get_uint64(data); | |
f8e76e2e | 223 | break; |
bfd48770 | 224 | default: |
f8e76e2e | 225 | return SR_ERR_NA; |
bfd48770 MH |
226 | } |
227 | ||
f8e76e2e | 228 | return SR_OK; |
bfd48770 MH |
229 | } |
230 | ||
584560f1 | 231 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 232 | const struct sr_channel_group *cg) |
bfd48770 | 233 | { |
bfd48770 | 234 | (void)sdi; |
53b4680f | 235 | (void)cg; |
bfd48770 | 236 | |
bfd48770 | 237 | switch (key) { |
f8e76e2e | 238 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 239 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 240 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
f8e76e2e MH |
241 | break; |
242 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 243 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 244 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
f8e76e2e | 245 | break; |
bfd48770 MH |
246 | default: |
247 | return SR_ERR_NA; | |
248 | } | |
249 | ||
f8e76e2e | 250 | return SR_OK; |
bfd48770 MH |
251 | } |
252 | ||
253 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
254 | void *cb_data) | |
255 | { | |
f8e76e2e MH |
256 | struct dev_context *devc; |
257 | struct sr_serial_dev_inst *serial; | |
258 | ||
f8e76e2e MH |
259 | if (!sdi || !cb_data || !(devc = sdi->priv)) |
260 | return SR_ERR_BUG; | |
261 | ||
bfd48770 MH |
262 | if (sdi->status != SR_ST_ACTIVE) |
263 | return SR_ERR_DEV_CLOSED; | |
264 | ||
f8e76e2e MH |
265 | devc->cb_data = cb_data; |
266 | ||
267 | /* Send header packet to the session bus. */ | |
268 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
269 | ||
270 | /* Start timer, if required. */ | |
271 | if (devc->limit_msec) | |
272 | g_timer_start(devc->elapsed_msec); | |
273 | ||
274 | /* Poll every 100ms, or whenever some data comes in. */ | |
275 | serial = sdi->conn; | |
102f1239 BV |
276 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
277 | norma_dmm_receive_data, (void *)sdi); | |
bfd48770 MH |
278 | |
279 | return SR_OK; | |
280 | } | |
281 | ||
282 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
283 | { | |
f8e76e2e | 284 | struct dev_context *devc; |
bfd48770 | 285 | |
f8e76e2e MH |
286 | /* Stop timer, if required. */ |
287 | if (sdi && (devc = sdi->priv) && devc->limit_msec) | |
288 | g_timer_stop(devc->elapsed_msec); | |
bfd48770 | 289 | |
d43b0908 | 290 | return std_serial_dev_acquisition_stop(sdi, cb_data, dev_close, |
f8e76e2e | 291 | sdi->conn, LOG_PREFIX); |
bfd48770 MH |
292 | } |
293 | ||
294 | SR_PRIV struct sr_dev_driver norma_dmm_driver_info = { | |
295 | .name = "norma-dmm", | |
49c06128 MH |
296 | .longname = "Norma DM9x0 DMMs", |
297 | .api_version = 1, | |
4f840ce9 ML |
298 | .init = init, |
299 | .cleanup = cleanup, | |
300 | .scan = scan, | |
301 | .dev_list = dev_list, | |
49c06128 MH |
302 | .dev_clear = NULL, |
303 | .config_get = NULL, | |
304 | .config_set = config_set, | |
305 | .config_list = config_list, | |
306 | .dev_open = std_serial_dev_open, | |
307 | .dev_close = dev_close, | |
308 | .dev_acquisition_start = dev_acquisition_start, | |
309 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 310 | .context = NULL, |
49c06128 MH |
311 | }; |
312 | ||
49c06128 MH |
313 | SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = { |
314 | .name = "siemens-b102x", | |
315 | .longname = "Siemens B102x DMMs", | |
bfd48770 | 316 | .api_version = 1, |
4f840ce9 ML |
317 | .init = init, |
318 | .cleanup = cleanup, | |
319 | .scan = scan, | |
320 | .dev_list = dev_list, | |
a6630742 | 321 | .dev_clear = NULL, |
f8e76e2e | 322 | .config_get = NULL, |
bfd48770 MH |
323 | .config_set = config_set, |
324 | .config_list = config_list, | |
854434de | 325 | .dev_open = std_serial_dev_open, |
bfd48770 MH |
326 | .dev_close = dev_close, |
327 | .dev_acquisition_start = dev_acquisition_start, | |
328 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 329 | .context = NULL, |
bfd48770 | 330 | }; |