]>
Commit | Line | Data |
---|---|---|
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 | ||
6ec6c43b | 25 | #include <config.h> |
bfd48770 MH |
26 | #include "protocol.h" |
27 | ||
a0e0bb41 | 28 | static const uint32_t scanopts[] = { |
f8e76e2e MH |
29 | SR_CONF_CONN, |
30 | SR_CONF_SERIALCOMM, | |
31 | }; | |
32 | ||
f254bc4b | 33 | static const uint32_t devopts[] = { |
f8e76e2e | 34 | SR_CONF_MULTIMETER, |
f8e76e2e | 35 | SR_CONF_CONTINUOUS, |
5827f61b BV |
36 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET, |
37 | SR_CONF_LIMIT_MSEC | SR_CONF_SET, | |
f8e76e2e MH |
38 | }; |
39 | ||
e790bd5c | 40 | #define BUF_MAX 50 |
f8e76e2e MH |
41 | |
42 | #define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1" | |
43 | ||
dd5c48a6 LPC |
44 | static struct sr_dev_driver norma_dmm_driver_info; |
45 | static struct sr_dev_driver siemens_b102x_driver_info; | |
bfd48770 | 46 | |
c442ffda | 47 | static const char *get_brandstr(struct sr_dev_driver *drv) |
bfd48770 | 48 | { |
0cadb8a3 | 49 | return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens"; |
bfd48770 MH |
50 | } |
51 | ||
c442ffda | 52 | static const char *get_typestr(int type, struct sr_dev_driver *drv) |
49c06128 | 53 | { |
c442ffda | 54 | static const char *nameref[5][2] = { |
49c06128 MH |
55 | {"DM910", "B1024"}, |
56 | {"DM920", "B1025"}, | |
57 | {"DM930", "B1026"}, | |
58 | {"DM940", "B1027"}, | |
0cadb8a3 UH |
59 | {"DM950", "B1028"}, |
60 | }; | |
49c06128 MH |
61 | |
62 | if ((type < 1) || (type > 5)) | |
63 | return "Unknown type!"; | |
64 | ||
0cadb8a3 | 65 | return nameref[type - 1][(drv == &siemens_b102x_driver_info)]; |
49c06128 MH |
66 | } |
67 | ||
c442ffda | 68 | static GSList *scan(struct sr_dev_driver *drv, GSList *options) |
bfd48770 | 69 | { |
f8e76e2e | 70 | struct sr_dev_inst *sdi; |
bfd48770 | 71 | struct drv_context *drvc; |
f8e76e2e MH |
72 | struct dev_context *devc; |
73 | struct sr_config *src; | |
f8e76e2e MH |
74 | struct sr_serial_dev_inst *serial; |
75 | GSList *l, *devices; | |
0cadb8a3 | 76 | int len, cnt, auxtype; |
f8e76e2e MH |
77 | const char *conn, *serialcomm; |
78 | char *buf; | |
f8e76e2e | 79 | char req[10]; |
f8e76e2e | 80 | |
bfd48770 | 81 | devices = NULL; |
338143ea | 82 | drvc = drv->context; |
bfd48770 | 83 | drvc->instances = NULL; |
f8e76e2e MH |
84 | conn = serialcomm = NULL; |
85 | ||
86 | for (l = options; l; l = l->next) { | |
87 | src = l->data; | |
88 | switch (src->key) { | |
89 | case SR_CONF_CONN: | |
90 | conn = g_variant_get_string(src->data, NULL); | |
91 | break; | |
92 | case SR_CONF_SERIALCOMM: | |
93 | serialcomm = g_variant_get_string(src->data, NULL); | |
94 | break; | |
95 | } | |
96 | } | |
97 | if (!conn) | |
98 | return NULL; | |
99 | if (!serialcomm) | |
100 | serialcomm = SERIALCOMM; | |
101 | ||
91219afc | 102 | serial = sr_serial_dev_inst_new(conn, serialcomm); |
f8e76e2e | 103 | |
d12ef776 | 104 | if (serial_open(serial, SERIAL_RDWR) != SR_OK) |
f8e76e2e MH |
105 | return NULL; |
106 | ||
107 | serial_flush(serial); | |
bfd48770 | 108 | |
a95f142e | 109 | buf = g_malloc(BUF_MAX); |
f8e76e2e MH |
110 | |
111 | snprintf(req, sizeof(req), "%s\r\n", | |
e790bd5c | 112 | nmadmm_requests[NMADMM_REQ_IDN].req_str); |
a4e435eb | 113 | g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */ |
f8e76e2e | 114 | for (cnt = 0; cnt < 7; cnt++) { |
d545c81c UH |
115 | if (serial_write_blocking(serial, req, strlen(req), |
116 | serial_timeout(serial, strlen(req))) < 0) { | |
8849f45a | 117 | sr_err("Unable to send identification request."); |
f8e76e2e MH |
118 | return NULL; |
119 | } | |
120 | len = BUF_MAX; | |
a4e435eb | 121 | serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS); |
f8e76e2e MH |
122 | if (!len) |
123 | continue; | |
e790bd5c | 124 | buf[BUF_MAX - 1] = '\0'; |
f8e76e2e | 125 | |
0cadb8a3 | 126 | /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */ |
e790bd5c | 127 | if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) { |
f8e76e2e | 128 | auxtype = xgittoint(buf[7]); |
49c06128 | 129 | sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9); |
f8e76e2e | 130 | |
aac29cc1 | 131 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
132 | sdi->status = SR_ST_INACTIVE; |
133 | sdi->vendor = g_strdup(get_brandstr(drv)); | |
134 | sdi->model = g_strdup(get_typestr(auxtype, drv)); | |
135 | sdi->version = g_strdup(buf + 9); | |
f57d8ffe | 136 | devc = g_malloc0(sizeof(struct dev_context)); |
37dbffd1 | 137 | sr_sw_limits_init(&devc->limits); |
f8e76e2e MH |
138 | devc->type = auxtype; |
139 | devc->version = g_strdup(&buf[9]); | |
f8e76e2e MH |
140 | sdi->conn = serial; |
141 | sdi->priv = devc; | |
49c06128 | 142 | sdi->driver = drv; |
5e23fcab | 143 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1"); |
f8e76e2e MH |
144 | drvc->instances = g_slist_append(drvc->instances, sdi); |
145 | devices = g_slist_append(devices, sdi); | |
146 | break; | |
147 | } | |
e790bd5c UH |
148 | |
149 | /* | |
150 | * The interface of the DM9x0 contains a cap that needs to | |
151 | * charge for up to 10s before the interface works, if not | |
152 | * powered externally. Therefore wait a little to improve | |
153 | * chances. | |
154 | */ | |
f8e76e2e MH |
155 | if (cnt == 3) { |
156 | sr_info("Waiting 5s to allow interface to settle."); | |
157 | g_usleep(5 * 1000 * 1000); | |
158 | } | |
159 | } | |
160 | ||
161 | g_free(buf); | |
162 | ||
163 | serial_close(serial); | |
164 | if (!devices) | |
165 | sr_serial_dev_inst_free(serial); | |
bfd48770 MH |
166 | |
167 | return devices; | |
168 | } | |
169 | ||
bfd48770 MH |
170 | static int dev_close(struct sr_dev_inst *sdi) |
171 | { | |
f8e76e2e | 172 | struct dev_context *devc; |
bfd48770 | 173 | |
bf2c987f | 174 | std_serial_dev_close(sdi); |
bfd48770 | 175 | |
e790bd5c | 176 | /* Free dynamically allocated resources. */ |
f8e76e2e MH |
177 | if ((devc = sdi->priv) && devc->version) { |
178 | g_free(devc->version); | |
179 | devc->version = NULL; | |
f8e76e2e | 180 | } |
bfd48770 MH |
181 | |
182 | return SR_OK; | |
183 | } | |
184 | ||
584560f1 | 185 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 186 | const struct sr_channel_group *cg) |
bfd48770 | 187 | { |
f8e76e2e | 188 | struct dev_context *devc; |
bfd48770 | 189 | |
53b4680f | 190 | (void)cg; |
d3c74a6f | 191 | |
bfd48770 MH |
192 | if (sdi->status != SR_ST_ACTIVE) |
193 | return SR_ERR_DEV_CLOSED; | |
194 | ||
b0baddef | 195 | devc = sdi->priv; |
f8e76e2e | 196 | |
37dbffd1 | 197 | return sr_sw_limits_config_set(&devc->limits, key, data); |
bfd48770 MH |
198 | } |
199 | ||
584560f1 | 200 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 201 | const struct sr_channel_group *cg) |
bfd48770 | 202 | { |
bfd48770 | 203 | (void)sdi; |
53b4680f | 204 | (void)cg; |
bfd48770 | 205 | |
bfd48770 | 206 | switch (key) { |
f8e76e2e | 207 | case SR_CONF_SCAN_OPTIONS: |
584560f1 | 208 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
a0e0bb41 | 209 | scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t)); |
f8e76e2e MH |
210 | break; |
211 | case SR_CONF_DEVICE_OPTIONS: | |
584560f1 | 212 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, |
f254bc4b | 213 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
f8e76e2e | 214 | break; |
bfd48770 MH |
215 | default: |
216 | return SR_ERR_NA; | |
217 | } | |
218 | ||
f8e76e2e | 219 | return SR_OK; |
bfd48770 MH |
220 | } |
221 | ||
695dc859 | 222 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
bfd48770 | 223 | { |
f8e76e2e MH |
224 | struct dev_context *devc; |
225 | struct sr_serial_dev_inst *serial; | |
226 | ||
bfd48770 MH |
227 | if (sdi->status != SR_ST_ACTIVE) |
228 | return SR_ERR_DEV_CLOSED; | |
229 | ||
208c1d35 | 230 | devc = sdi->priv; |
f8e76e2e | 231 | |
37dbffd1 | 232 | sr_sw_limits_acquisition_start(&devc->limits); |
695dc859 | 233 | std_session_send_df_header(sdi, LOG_PREFIX); |
f8e76e2e | 234 | |
f8e76e2e MH |
235 | /* Poll every 100ms, or whenever some data comes in. */ |
236 | serial = sdi->conn; | |
102f1239 BV |
237 | serial_source_add(sdi->session, serial, G_IO_IN, 100, |
238 | norma_dmm_receive_data, (void *)sdi); | |
bfd48770 MH |
239 | |
240 | return SR_OK; | |
241 | } | |
242 | ||
695dc859 | 243 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
bfd48770 | 244 | { |
6525d819 | 245 | return std_serial_dev_acquisition_stop(sdi, dev_close, |
f8e76e2e | 246 | sdi->conn, LOG_PREFIX); |
bfd48770 MH |
247 | } |
248 | ||
dd5c48a6 | 249 | static struct sr_dev_driver norma_dmm_driver_info = { |
bfd48770 | 250 | .name = "norma-dmm", |
49c06128 MH |
251 | .longname = "Norma DM9x0 DMMs", |
252 | .api_version = 1, | |
c2fdcc25 | 253 | .init = std_init, |
700d6b64 | 254 | .cleanup = std_cleanup, |
4f840ce9 | 255 | .scan = scan, |
c01bf34c | 256 | .dev_list = std_dev_list, |
49c06128 MH |
257 | .dev_clear = NULL, |
258 | .config_get = NULL, | |
259 | .config_set = config_set, | |
260 | .config_list = config_list, | |
261 | .dev_open = std_serial_dev_open, | |
262 | .dev_close = dev_close, | |
263 | .dev_acquisition_start = dev_acquisition_start, | |
264 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 265 | .context = NULL, |
49c06128 | 266 | }; |
dd5c48a6 | 267 | SR_REGISTER_DEV_DRIVER(norma_dmm_driver_info); |
49c06128 | 268 | |
dd5c48a6 | 269 | static struct sr_dev_driver siemens_b102x_driver_info = { |
49c06128 MH |
270 | .name = "siemens-b102x", |
271 | .longname = "Siemens B102x DMMs", | |
bfd48770 | 272 | .api_version = 1, |
c2fdcc25 | 273 | .init = std_init, |
700d6b64 | 274 | .cleanup = std_cleanup, |
4f840ce9 | 275 | .scan = scan, |
c01bf34c | 276 | .dev_list = std_dev_list, |
a6630742 | 277 | .dev_clear = NULL, |
f8e76e2e | 278 | .config_get = NULL, |
bfd48770 MH |
279 | .config_set = config_set, |
280 | .config_list = config_list, | |
854434de | 281 | .dev_open = std_serial_dev_open, |
bfd48770 MH |
282 | .dev_close = dev_close, |
283 | .dev_acquisition_start = dev_acquisition_start, | |
284 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 285 | .context = NULL, |
bfd48770 | 286 | }; |
dd5c48a6 | 287 | SR_REGISTER_DEV_DRIVER(siemens_b102x_driver_info); |