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(di, sr_ctx, 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 sr_sw_limits_init(&devc->limits);
143 devc->type = auxtype;
144 devc->version = g_strdup(&buf[9]);
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 int dev_close(struct sr_dev_inst *sdi)
177 struct dev_context *devc;
179 std_serial_dev_close(sdi);
181 /* Free dynamically allocated resources. */
182 if ((devc = sdi->priv) && devc->version) {
183 g_free(devc->version);
184 devc->version = NULL;
190 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
191 const struct sr_channel_group *cg)
193 struct dev_context *devc;
197 if (sdi->status != SR_ST_ACTIVE)
198 return SR_ERR_DEV_CLOSED;
200 if (!(devc = sdi->priv)) {
201 sr_err("sdi->priv was NULL.");
205 return sr_sw_limits_config_set(&devc->limits, key, data);
208 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
209 const struct sr_channel_group *cg)
215 case SR_CONF_SCAN_OPTIONS:
216 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
217 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
219 case SR_CONF_DEVICE_OPTIONS:
220 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
221 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
230 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
232 struct dev_context *devc;
233 struct sr_serial_dev_inst *serial;
235 if (sdi->status != SR_ST_ACTIVE)
236 return SR_ERR_DEV_CLOSED;
240 sr_sw_limits_acquisition_start(&devc->limits);
241 std_session_send_df_header(sdi, LOG_PREFIX);
243 /* Poll every 100ms, or whenever some data comes in. */
245 serial_source_add(sdi->session, serial, G_IO_IN, 100,
246 norma_dmm_receive_data, (void *)sdi);
251 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
253 return std_serial_dev_acquisition_stop(sdi, dev_close,
254 sdi->conn, LOG_PREFIX);
257 SR_PRIV struct sr_dev_driver norma_dmm_driver_info = {
259 .longname = "Norma DM9x0 DMMs",
262 .cleanup = std_cleanup,
264 .dev_list = std_dev_list,
267 .config_set = config_set,
268 .config_list = config_list,
269 .dev_open = std_serial_dev_open,
270 .dev_close = dev_close,
271 .dev_acquisition_start = dev_acquisition_start,
272 .dev_acquisition_stop = dev_acquisition_stop,
276 SR_PRIV struct sr_dev_driver siemens_b102x_driver_info = {
277 .name = "siemens-b102x",
278 .longname = "Siemens B102x DMMs",
281 .cleanup = std_cleanup,
283 .dev_list = std_dev_list,
286 .config_set = config_set,
287 .config_list = config_list,
288 .dev_open = std_serial_dev_open,
289 .dev_close = dev_close,
290 .dev_acquisition_start = dev_acquisition_start,
291 .dev_acquisition_stop = dev_acquisition_stop,