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/>.
22 #include <sys/types.h>
26 #include <libsigrok/libsigrok.h>
27 #include "libsigrok-internal.h"
28 #include "fluke-dmm.h"
30 static const uint32_t scanopts[] = {
35 static const uint32_t devopts[] = {
38 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
39 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
42 SR_PRIV struct sr_dev_driver flukedmm_driver_info;
44 static const char *scan_conn[] = {
49 /* Scopemeter 190 series */
54 static const struct flukedmm_profile supported_flukedmm[] = {
55 { FLUKE_187, "187", 100, 1000 },
56 { FLUKE_189, "189", 100, 1000 },
57 { FLUKE_287, "287", 100, 1000 },
58 { FLUKE_190, "199B", 1000, 3500 },
59 { FLUKE_289, "289", 100, 1000 },
62 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
64 return std_init(di, sr_ctx, LOG_PREFIX);
67 static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
68 const char *serialcomm)
70 struct sr_dev_inst *sdi;
71 struct drv_context *drvc;
72 struct dev_context *devc;
73 struct sr_serial_dev_inst *serial;
76 char buf[128], *b, **tokens;
78 serial = sr_serial_dev_inst_new(conn, serialcomm);
80 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
87 /* We'll try the discovery sequence three times in case the device
88 * is not in an idle state when we send ID. */
89 while (!devices && retry < 3) {
92 if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
93 sr_err("Unable to send ID string");
97 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
98 * or '1' to signify an error. */
100 serial_readline(serial, &b, &len, 150);
106 /* If CMD_ACK was OK, ID string follows. */
108 serial_readline(serial, &b, &len, 850);
111 if (strcspn(buf, ",") < 15)
112 /* Looks like it's comma-separated. */
113 tokens = g_strsplit(buf, ",", 3);
115 /* Fluke 199B, at least, uses semicolon. */
116 tokens = g_strsplit(buf, ";", 3);
117 if (!strncmp("FLUKE", tokens[0], 5)
118 && tokens[1] && tokens[2]) {
119 for (i = 0; supported_flukedmm[i].model; i++) {
120 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
122 /* Skip leading spaces in version number. */
123 for (s = 0; tokens[1][s] == ' '; s++);
124 sdi = g_malloc0(sizeof(struct sr_dev_inst));
125 sdi->status = SR_ST_INACTIVE;
126 sdi->vendor = g_strdup("Fluke");
127 sdi->model = g_strdup(tokens[0] + 6);
128 sdi->version = g_strdup(tokens[1] + s);
129 devc = g_malloc0(sizeof(struct dev_context));
130 devc->profile = &supported_flukedmm[i];
131 sdi->inst_type = SR_INST_SERIAL;
135 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
136 drvc->instances = g_slist_append(drvc->instances, sdi);
137 devices = g_slist_append(devices, sdi);
146 serial_close(serial);
148 sr_serial_dev_inst_free(serial);
153 static GSList *scan(struct sr_dev_driver *di, GSList *options)
155 struct sr_config *src;
158 const char *conn, *serialcomm;
160 conn = serialcomm = NULL;
161 for (l = options; l; l = l->next) {
165 conn = g_variant_get_string(src->data, NULL);
167 case SR_CONF_SERIALCOMM:
168 serialcomm = g_variant_get_string(src->data, NULL);
177 /* Use the provided comm specs. */
178 devices = fluke_scan(di, conn, serialcomm);
180 for (i = 0; scan_conn[i]; i++) {
181 if ((devices = fluke_scan(di, conn, scan_conn[i])))
183 /* The Scopemeter 199B, at least, requires this
184 * after all the 115k/9.6k confusion. */
192 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
193 const struct sr_channel_group *cg)
195 struct dev_context *devc;
199 if (sdi->status != SR_ST_ACTIVE)
200 return SR_ERR_DEV_CLOSED;
202 if (!(devc = sdi->priv)) {
203 sr_err("sdi->priv was NULL.");
208 case SR_CONF_LIMIT_MSEC:
209 /* TODO: not yet implemented */
210 devc->limit_msec = g_variant_get_uint64(data);
212 case SR_CONF_LIMIT_SAMPLES:
213 devc->limit_samples = g_variant_get_uint64(data);
222 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
223 const struct sr_channel_group *cg)
229 case SR_CONF_SCAN_OPTIONS:
230 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
231 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
233 case SR_CONF_DEVICE_OPTIONS:
234 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
235 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
244 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
246 struct dev_context *devc;
247 struct sr_serial_dev_inst *serial;
249 if (sdi->status != SR_ST_ACTIVE)
250 return SR_ERR_DEV_CLOSED;
254 std_session_send_df_header(sdi, LOG_PREFIX);
256 /* Poll every 100ms, or whenever some data comes in. */
258 serial_source_add(sdi->session, serial, G_IO_IN, 50,
259 fluke_receive_data, (void *)sdi);
261 if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
262 sr_err("Unable to send QM.");
265 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
266 devc->expect_response = TRUE;
271 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
273 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
274 sdi->conn, LOG_PREFIX);
277 SR_PRIV struct sr_dev_driver flukedmm_driver_info = {
279 .longname = "Fluke 18x/28x series DMMs",
282 .cleanup = std_cleanup,
284 .dev_list = std_dev_list,
287 .config_set = config_set,
288 .config_list = config_list,
289 .dev_open = std_serial_dev_open,
290 .dev_close = std_serial_dev_close,
291 .dev_acquisition_start = dev_acquisition_start,
292 .dev_acquisition_stop = dev_acquisition_stop,