2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
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 #include <sys/types.h>
26 #include "libsigrok.h"
27 #include "libsigrok-internal.h"
28 #include "fluke-dmm.h"
30 static const int32_t hwopts[] = {
35 static const int32_t hwcaps[] = {
37 SR_CONF_LIMIT_SAMPLES,
42 SR_PRIV struct sr_dev_driver flukedmm_driver_info;
43 static struct sr_dev_driver *di = &flukedmm_driver_info;
45 static char *scan_conn[] = {
50 /* Scopemeter 190 series */
55 static const struct flukedmm_profile supported_flukedmm[] = {
56 { FLUKE_187, "187", 100, 1000 },
57 { FLUKE_189, "189", 100, 1000 },
58 { FLUKE_287, "287", 100, 1000 },
59 { FLUKE_190, "199B", 1000, 3500 },
62 static int init(struct sr_context *sr_ctx)
64 return std_init(sr_ctx, di, LOG_PREFIX);
67 static GSList *fluke_scan(const char *conn, const char *serialcomm)
69 struct sr_dev_inst *sdi;
70 struct drv_context *drvc;
71 struct dev_context *devc;
72 struct sr_channel *ch;
73 struct sr_serial_dev_inst *serial;
76 char buf[128], *b, **tokens;
78 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
81 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
88 /* We'll try the discovery sequence three times in case the device
89 * is not in an idle state when we send ID. */
90 while (!devices && retry < 3) {
93 if (serial_write(serial, "ID\r", 3) == -1) {
94 sr_err("Unable to send ID string: %s.",
99 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
100 * or '1' to signify an error. */
102 serial_readline(serial, &b, &len, 150);
108 /* If CMD_ACK was OK, ID string follows. */
110 serial_readline(serial, &b, &len, 850);
113 if (strcspn(buf, ",") < 15)
114 /* Looks like it's comma-separated. */
115 tokens = g_strsplit(buf, ",", 3);
117 /* Fluke 199B, at least, uses semicolon. */
118 tokens = g_strsplit(buf, ";", 3);
119 if (!strncmp("FLUKE", tokens[0], 5)
120 && tokens[1] && tokens[2]) {
121 for (i = 0; supported_flukedmm[i].model; i++) {
122 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
124 /* Skip leading spaces in version number. */
125 for (s = 0; tokens[1][s] == ' '; s++);
126 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke",
127 tokens[0] + 6, tokens[1] + s)))
129 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
130 sr_err("Device context malloc failed.");
133 devc->profile = &supported_flukedmm[i];
134 sdi->inst_type = SR_INST_SERIAL;
138 if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1")))
140 sdi->channels = g_slist_append(sdi->channels, ch);
141 drvc->instances = g_slist_append(drvc->instances, sdi);
142 devices = g_slist_append(devices, sdi);
151 serial_close(serial);
153 sr_serial_dev_inst_free(serial);
158 static GSList *scan(GSList *options)
160 struct sr_config *src;
163 const char *conn, *serialcomm;
165 conn = serialcomm = NULL;
166 for (l = options; l; l = l->next) {
170 conn = g_variant_get_string(src->data, NULL);
172 case SR_CONF_SERIALCOMM:
173 serialcomm = g_variant_get_string(src->data, NULL);
181 /* Use the provided comm specs. */
182 devices = fluke_scan(conn, serialcomm);
184 for (i = 0; scan_conn[i]; i++) {
185 if ((devices = fluke_scan(conn, scan_conn[i])))
187 /* The Scopemeter 199B, at least, requires this
188 * after all the 115k/9.6k confusion. */
196 static GSList *dev_list(void)
198 return ((struct drv_context *)(di->priv))->instances;
201 static int cleanup(void)
203 return std_dev_clear(di, NULL);
206 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi,
207 const struct sr_channel_group *cg)
209 struct dev_context *devc;
213 if (sdi->status != SR_ST_ACTIVE)
214 return SR_ERR_DEV_CLOSED;
216 if (!(devc = sdi->priv)) {
217 sr_err("sdi->priv was NULL.");
222 case SR_CONF_LIMIT_MSEC:
223 /* TODO: not yet implemented */
224 if (g_variant_get_uint64(data) == 0) {
225 sr_err("LIMIT_MSEC can't be 0.");
228 devc->limit_msec = g_variant_get_uint64(data);
229 sr_dbg("Setting time limit to %" PRIu64 "ms.",
232 case SR_CONF_LIMIT_SAMPLES:
233 devc->limit_samples = g_variant_get_uint64(data);
234 sr_dbg("Setting sample limit to %" PRIu64 ".",
235 devc->limit_samples);
244 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
245 const struct sr_channel_group *cg)
251 case SR_CONF_SCAN_OPTIONS:
252 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
253 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
255 case SR_CONF_DEVICE_OPTIONS:
256 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
257 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
266 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
268 struct dev_context *devc;
269 struct sr_serial_dev_inst *serial;
271 if (sdi->status != SR_ST_ACTIVE)
272 return SR_ERR_DEV_CLOSED;
274 if (!(devc = sdi->priv)) {
275 sr_err("sdi->priv was NULL.");
279 devc->cb_data = cb_data;
281 /* Send header packet to the session bus. */
282 std_session_send_df_header(cb_data, LOG_PREFIX);
284 /* Poll every 100ms, or whenever some data comes in. */
286 serial_source_add(sdi->session, serial, G_IO_IN, 50,
287 fluke_receive_data, (void *)sdi);
289 if (serial_write(serial, "QM\r", 3) == -1) {
290 sr_err("Unable to send QM: %s.", strerror(errno));
293 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
294 devc->expect_response = TRUE;
299 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
301 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
302 sdi->conn, LOG_PREFIX);
305 SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
307 .longname = "Fluke 18x/28x series DMMs",
312 .dev_list = dev_list,
315 .config_set = config_set,
316 .config_list = config_list,
317 .dev_open = std_serial_dev_open,
318 .dev_close = std_serial_dev_close,
319 .dev_acquisition_start = dev_acquisition_start,
320 .dev_acquisition_stop = dev_acquisition_stop,