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>
25 #include <libsigrok/libsigrok.h>
26 #include "libsigrok-internal.h"
27 #include "fluke-dmm.h"
29 static const uint32_t scanopts[] = {
34 static const uint32_t devopts[] = {
37 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
38 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
41 SR_PRIV struct sr_dev_driver flukedmm_driver_info;
43 static const char *scan_conn[] = {
48 /* Scopemeter 190 series */
53 static const struct flukedmm_profile supported_flukedmm[] = {
54 { FLUKE_187, "187", 100, 1000 },
55 { FLUKE_189, "189", 100, 1000 },
56 { FLUKE_287, "287", 100, 1000 },
57 { FLUKE_190, "199B", 1000, 3500 },
60 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
62 return std_init(sr_ctx, di, LOG_PREFIX);
65 static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
66 const char *serialcomm)
68 struct sr_dev_inst *sdi;
69 struct drv_context *drvc;
70 struct dev_context *devc;
71 struct sr_serial_dev_inst *serial;
74 char buf[128], *b, **tokens;
76 serial = sr_serial_dev_inst_new(conn, serialcomm);
78 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
85 /* We'll try the discovery sequence three times in case the device
86 * is not in an idle state when we send ID. */
87 while (!devices && retry < 3) {
90 if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
91 sr_err("Unable to send ID string");
95 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
96 * or '1' to signify an error. */
98 serial_readline(serial, &b, &len, 150);
104 /* If CMD_ACK was OK, ID string follows. */
106 serial_readline(serial, &b, &len, 850);
109 if (strcspn(buf, ",") < 15)
110 /* Looks like it's comma-separated. */
111 tokens = g_strsplit(buf, ",", 3);
113 /* Fluke 199B, at least, uses semicolon. */
114 tokens = g_strsplit(buf, ";", 3);
115 if (!strncmp("FLUKE", tokens[0], 5)
116 && tokens[1] && tokens[2]) {
117 for (i = 0; supported_flukedmm[i].model; i++) {
118 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
120 /* Skip leading spaces in version number. */
121 for (s = 0; tokens[1][s] == ' '; s++);
122 sdi = g_malloc0(sizeof(struct sr_dev_inst));
123 sdi->status = SR_ST_INACTIVE;
124 sdi->vendor = g_strdup("Fluke");
125 sdi->model = g_strdup(tokens[0] + 6);
126 sdi->version = g_strdup(tokens[1] + s);
127 devc = g_malloc0(sizeof(struct dev_context));
128 devc->profile = &supported_flukedmm[i];
129 sdi->inst_type = SR_INST_SERIAL;
133 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
134 drvc->instances = g_slist_append(drvc->instances, sdi);
135 devices = g_slist_append(devices, sdi);
144 serial_close(serial);
146 sr_serial_dev_inst_free(serial);
151 static GSList *scan(struct sr_dev_driver *di, GSList *options)
153 struct sr_config *src;
156 const char *conn, *serialcomm;
158 conn = serialcomm = NULL;
159 for (l = options; l; l = l->next) {
163 conn = g_variant_get_string(src->data, NULL);
165 case SR_CONF_SERIALCOMM:
166 serialcomm = g_variant_get_string(src->data, NULL);
175 /* Use the provided comm specs. */
176 devices = fluke_scan(di, conn, serialcomm);
178 for (i = 0; scan_conn[i]; i++) {
179 if ((devices = fluke_scan(di, conn, scan_conn[i])))
181 /* The Scopemeter 199B, at least, requires this
182 * after all the 115k/9.6k confusion. */
190 static GSList *dev_list(const struct sr_dev_driver *di)
192 return ((struct drv_context *)(di->context))->instances;
195 static int cleanup(const struct sr_dev_driver *di)
197 return std_dev_clear(di, NULL);
200 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
201 const struct sr_channel_group *cg)
203 struct dev_context *devc;
207 if (sdi->status != SR_ST_ACTIVE)
208 return SR_ERR_DEV_CLOSED;
210 if (!(devc = sdi->priv)) {
211 sr_err("sdi->priv was NULL.");
216 case SR_CONF_LIMIT_MSEC:
217 /* TODO: not yet implemented */
218 devc->limit_msec = g_variant_get_uint64(data);
220 case SR_CONF_LIMIT_SAMPLES:
221 devc->limit_samples = g_variant_get_uint64(data);
230 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
231 const struct sr_channel_group *cg)
237 case SR_CONF_SCAN_OPTIONS:
238 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
239 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
241 case SR_CONF_DEVICE_OPTIONS:
242 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
243 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
252 static int dev_acquisition_start(const struct sr_dev_inst *sdi, void *cb_data)
254 struct dev_context *devc;
255 struct sr_serial_dev_inst *serial;
257 if (sdi->status != SR_ST_ACTIVE)
258 return SR_ERR_DEV_CLOSED;
260 if (!(devc = sdi->priv)) {
261 sr_err("sdi->priv was NULL.");
265 devc->cb_data = cb_data;
267 /* Send header packet to the session bus. */
268 std_session_send_df_header(cb_data, LOG_PREFIX);
270 /* Poll every 100ms, or whenever some data comes in. */
272 serial_source_add(sdi->session, serial, G_IO_IN, 50,
273 fluke_receive_data, (void *)sdi);
275 if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
276 sr_err("Unable to send QM.");
279 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
280 devc->expect_response = TRUE;
285 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
287 return std_serial_dev_acquisition_stop(sdi, cb_data, std_serial_dev_close,
288 sdi->conn, LOG_PREFIX);
291 SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
293 .longname = "Fluke 18x/28x series DMMs",
298 .dev_list = dev_list,
301 .config_set = config_set,
302 .config_list = config_list,
303 .dev_open = std_serial_dev_open,
304 .dev_close = std_serial_dev_close,
305 .dev_acquisition_start = dev_acquisition_start,
306 .dev_acquisition_stop = dev_acquisition_stop,