2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Matthias Heidbrink <m-sigrok@heidbrink.biz>
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.
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.
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/>.
21 * Norma DM9x0/Siemens B102x DMMs driver.
28 static const uint32_t scanopts[] = {
33 static const uint32_t devopts[] = {
36 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
37 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
42 #define SERIALCOMM "4800/8n1/dtr=1/rts=0/flow=1"
44 SR_PRIV struct sr_dev_driver norma_dmm_driver_info;
45 SR_PRIV struct sr_dev_driver siemens_b102x_driver_info;
47 static const char *get_brandstr(struct sr_dev_driver *drv)
49 return (drv == &norma_dmm_driver_info) ? "Norma" : "Siemens";
52 static const char *get_typestr(int type, struct sr_dev_driver *drv)
54 static const char *nameref[5][2] = {
62 if ((type < 1) || (type > 5))
63 return "Unknown type!";
65 return nameref[type - 1][(drv == &siemens_b102x_driver_info)];
68 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
70 return std_init(sr_ctx, di, LOG_PREFIX);
73 static GSList *scan(struct sr_dev_driver *drv, GSList *options)
75 struct sr_dev_inst *sdi;
76 struct drv_context *drvc;
77 struct dev_context *devc;
78 struct sr_config *src;
79 struct sr_serial_dev_inst *serial;
81 int len, cnt, auxtype;
82 const char *conn, *serialcomm;
88 drvc->instances = NULL;
89 conn = serialcomm = NULL;
91 for (l = options; l; l = l->next) {
95 conn = g_variant_get_string(src->data, NULL);
97 case SR_CONF_SERIALCOMM:
98 serialcomm = g_variant_get_string(src->data, NULL);
105 serialcomm = SERIALCOMM;
107 serial = sr_serial_dev_inst_new(conn, serialcomm);
109 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
112 serial_flush(serial);
114 buf = g_malloc(BUF_MAX);
116 snprintf(req, sizeof(req), "%s\r\n",
117 nmadmm_requests[NMADMM_REQ_IDN].req_str);
118 g_usleep(150 * 1000); /* Wait a little to allow serial port to settle. */
119 for (cnt = 0; cnt < 7; cnt++) {
120 if (serial_write_blocking(serial, req, strlen(req),
121 serial_timeout(serial, strlen(req))) < 0) {
122 sr_err("Unable to send identification request.");
126 serial_readline(serial, &buf, &len, NMADMM_TIMEOUT_MS);
129 buf[BUF_MAX - 1] = '\0';
131 /* Match ID string, e.g. "1834 065 V1.06,IF V1.02" (DM950). */
132 if (g_regex_match_simple("^1834 [^,]*,IF V*", (char *)buf, 0, 0)) {
133 auxtype = xgittoint(buf[7]);
134 sr_spew("%s %s DMM %s detected!", get_brandstr(drv), get_typestr(auxtype, drv), buf + 9);
136 sdi = g_malloc0(sizeof(struct sr_dev_inst));
137 sdi->status = SR_ST_INACTIVE;
138 sdi->vendor = g_strdup(get_brandstr(drv));
139 sdi->model = g_strdup(get_typestr(auxtype, drv));
140 sdi->version = g_strdup(buf + 9);
141 devc = g_malloc0(sizeof(struct dev_context));
142 devc->type = auxtype;
143 devc->version = g_strdup(&buf[9]);
144 devc->elapsed_msec = g_timer_new();
148 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
149 drvc->instances = g_slist_append(drvc->instances, sdi);
150 devices = g_slist_append(devices, sdi);
155 * The interface of the DM9x0 contains a cap that needs to
156 * charge for up to 10s before the interface works, if not
157 * powered externally. Therefore wait a little to improve
161 sr_info("Waiting 5s to allow interface to settle.");
162 g_usleep(5 * 1000 * 1000);
168 serial_close(serial);
170 sr_serial_dev_inst_free(serial);
175 static GSList *dev_list(const struct sr_dev_driver *di)
177 return ((struct drv_context *)(di->context))->instances;
180 static int dev_close(struct sr_dev_inst *sdi)
182 struct dev_context *devc;
184 std_serial_dev_close(sdi);
186 /* Free dynamically allocated resources. */
187 if ((devc = sdi->priv) && devc->version) {
188 g_free(devc->version);
189 devc->version = NULL;
190 g_timer_destroy(devc->elapsed_msec);
196 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
197 const struct sr_channel_group *cg)
199 struct dev_context *devc;
203 if (sdi->status != SR_ST_ACTIVE)
204 return SR_ERR_DEV_CLOSED;
206 if (!(devc = sdi->priv)) {
207 sr_err("sdi->priv was NULL.");
212 case SR_CONF_LIMIT_MSEC:
213 devc->limit_msec = g_variant_get_uint64(data);
215 case SR_CONF_LIMIT_SAMPLES:
216 devc->limit_samples = g_variant_get_uint64(data);
225 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
226 const struct sr_channel_group *cg)
232 case SR_CONF_SCAN_OPTIONS:
233 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
234 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
236 case SR_CONF_DEVICE_OPTIONS:
237 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
238 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
247 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
249 struct dev_context *devc;
250 struct sr_serial_dev_inst *serial;
252 if (sdi->status != SR_ST_ACTIVE)
253 return SR_ERR_DEV_CLOSED;
257 std_session_send_df_header(sdi, LOG_PREFIX);
259 /* Start timer, if required. */
260 if (devc->limit_msec)
261 g_timer_start(devc->elapsed_msec);
263 /* Poll every 100ms, or whenever some data comes in. */
265 serial_source_add(sdi->session, serial, G_IO_IN, 100,
266 norma_dmm_receive_data, (void *)sdi);
271 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
273 struct dev_context *devc;
275 /* Stop timer, if required. */
276 if (sdi && (devc = sdi->priv) && devc->limit_msec)
277 g_timer_stop(devc->elapsed_msec);
279 return std_serial_dev_acquisition_stop(sdi, dev_close,
280 sdi->conn, LOG_PREFIX);
283 SR_PRIV struct sr_dev_driver norma_dmm_driver_info = {
285 .longname = "Norma DM9x0 DMMs",
288 .cleanup = std_cleanup,
290 .dev_list = dev_list,
293 .config_set = config_set,
294 .config_list = config_list,
295 .dev_open = std_serial_dev_open,
296 .dev_close = dev_close,
297 .dev_acquisition_start = dev_acquisition_start,
298 .dev_acquisition_stop = dev_acquisition_stop,
302 SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = {
303 .name = "siemens-b102x",
304 .longname = "Siemens B102x DMMs",
307 .cleanup = std_cleanup,
309 .dev_list = dev_list,
312 .config_set = config_set,
313 .config_list = config_list,
314 .dev_open = std_serial_dev_open,
315 .dev_close = dev_close,
316 .dev_acquisition_start = dev_acquisition_start,
317 .dev_acquisition_stop = dev_acquisition_stop,