2 * This file is part of the sigrok 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 int hwopts[] = {
36 static const int hwcaps[] = {
38 SR_CONF_LIMIT_SAMPLES,
44 SR_PRIV struct sr_dev_driver flukedmm_driver_info;
45 static struct sr_dev_driver *di = &flukedmm_driver_info;
47 static char *scan_conn[] = {
52 /* Scopemeter 190 series */
57 static const struct flukedmm_profile supported_flukedmm[] = {
58 { FLUKE_187, "187", 100, 1000 },
59 { FLUKE_287, "287", 100, 1000 },
60 { FLUKE_190, "199B", 1000, 3500 },
64 /* Properly close and free all devices. */
65 static int clear_instances(void)
67 struct sr_dev_inst *sdi;
68 struct drv_context *drvc;
69 struct dev_context *devc;
72 if (!(drvc = di->priv))
76 for (l = drvc->instances; l; l = l->next) {
79 if (!(devc = sdi->priv))
81 sr_serial_dev_inst_free(devc->serial);
82 sr_dev_inst_free(sdi);
84 g_slist_free(drvc->instances);
85 drvc->instances = NULL;
90 static int hw_init(struct sr_context *sr_ctx)
92 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
95 static GSList *fluke_scan(const char *conn, const char *serialcomm)
97 struct sr_dev_inst *sdi;
98 struct drv_context *drvc;
99 struct dev_context *devc;
100 struct sr_probe *probe;
101 struct sr_serial_dev_inst *serial;
103 int retry, len, i, s;
104 char buf[128], *b, **tokens;
106 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
109 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
116 /* We'll try the discovery sequence three times in case the device
117 * is not in an idle state when we send ID. */
118 while (!devices && retry < 3) {
120 serial_flush(serial);
121 if (serial_write(serial, "ID\r", 3) == -1) {
122 sr_err("Unable to send ID string: %s.",
127 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
128 * or '1' to signify an error. */
130 serial_readline(serial, &b, &len, 150);
136 /* If CMD_ACK was OK, ID string follows. */
138 serial_readline(serial, &b, &len, 850);
141 if (strcspn(buf, ",") < 15)
142 /* Looks like it's comma-separated. */
143 tokens = g_strsplit(buf, ",", 3);
145 /* Fluke 199B, at least, uses semicolon. */
146 tokens = g_strsplit(buf, ";", 3);
147 if (!strncmp("FLUKE", tokens[0], 5)
148 && tokens[1] && tokens[2]) {
149 for (i = 0; supported_flukedmm[i].model; i++) {
150 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
152 /* Skip leading spaces in version number. */
153 for (s = 0; tokens[1][s] == ' '; s++);
154 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Fluke",
155 tokens[0] + 6, tokens[1] + s)))
157 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
158 sr_err("Device context malloc failed.");
161 devc->profile = &supported_flukedmm[i];
162 devc->serial = serial;
165 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
167 sdi->probes = g_slist_append(sdi->probes, probe);
168 drvc->instances = g_slist_append(drvc->instances, sdi);
169 devices = g_slist_append(devices, sdi);
178 serial_close(serial);
180 sr_serial_dev_inst_free(serial);
185 static GSList *hw_scan(GSList *options)
187 struct sr_config *src;
190 const char *conn, *serialcomm;
192 conn = serialcomm = NULL;
193 for (l = options; l; l = l->next) {
199 case SR_CONF_SERIALCOMM:
200 serialcomm = src->value;
208 /* Use the provided comm specs. */
209 devices = fluke_scan(conn, serialcomm);
211 for (i = 0; scan_conn[i]; i++) {
212 if ((devices = fluke_scan(conn, scan_conn[i])))
214 /* The Scopemeter 199B, at least, requires this
215 * after all the 115k/9.6k confusion. */
223 static GSList *hw_dev_list(void)
225 return ((struct drv_context *)(di->priv))->instances;
228 static int hw_dev_open(struct sr_dev_inst *sdi)
230 struct dev_context *devc;
232 if (!(devc = sdi->priv)) {
233 sr_err("sdi->priv was NULL.");
237 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
240 sdi->status = SR_ST_ACTIVE;
245 static int hw_dev_close(struct sr_dev_inst *sdi)
247 struct dev_context *devc;
251 if (devc->serial && devc->serial->fd != -1) {
252 serial_close(devc->serial);
253 sdi->status = SR_ST_INACTIVE;
259 static int hw_cleanup(void)
267 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
269 struct dev_context *devc;
271 if (sdi->status != SR_ST_ACTIVE)
274 if (!(devc = sdi->priv)) {
275 sr_err("sdi->priv was NULL.");
280 case SR_CONF_LIMIT_MSEC:
281 /* TODO: not yet implemented */
282 if (*(const uint64_t *)value == 0) {
283 sr_err("LIMIT_MSEC can't be 0.");
286 devc->limit_msec = *(const uint64_t *)value;
287 sr_dbg("Setting time limit to %" PRIu64 "ms.",
290 case SR_CONF_LIMIT_SAMPLES:
291 devc->limit_samples = *(const uint64_t *)value;
292 sr_dbg("Setting sample limit to %" PRIu64 ".",
293 devc->limit_samples);
296 sr_err("Unknown capability: %d.", id);
304 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
310 case SR_CONF_SCAN_OPTIONS:
313 case SR_CONF_DEVICE_OPTIONS:
323 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
326 struct dev_context *devc;
328 if (!(devc = sdi->priv)) {
329 sr_err("sdi->priv was NULL.");
333 devc->cb_data = cb_data;
335 /* Send header packet to the session bus. */
336 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
338 /* Poll every 100ms, or whenever some data comes in. */
339 sr_source_add(devc->serial->fd, G_IO_IN, 50, fluke_receive_data, (void *)sdi);
341 if (serial_write(devc->serial, "QM\r", 3) == -1) {
342 sr_err("Unable to send QM: %s.", strerror(errno));
345 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
346 devc->expect_response = TRUE;
351 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
353 return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
354 ((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
357 SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
359 .longname = "Fluke 18x/28x series DMMs",
362 .cleanup = hw_cleanup,
364 .dev_list = hw_dev_list,
365 .dev_clear = clear_instances,
367 .config_set = config_set,
368 .config_list = config_list,
369 .dev_open = hw_dev_open,
370 .dev_close = hw_dev_close,
371 .dev_acquisition_start = hw_dev_acquisition_start,
372 .dev_acquisition_stop = hw_dev_acquisition_stop,