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"
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 static const char *scan_conn[] = {
47 /* Scopemeter 190 series */
52 static const struct flukedmm_profile supported_flukedmm[] = {
53 { FLUKE_187, "187", 100, 1000 },
54 { FLUKE_189, "189", 100, 1000 },
55 { FLUKE_287, "287", 100, 1000 },
56 { FLUKE_190, "199B", 1000, 3500 },
57 { FLUKE_289, "289", 100, 1000 },
60 static GSList *fluke_scan(struct sr_dev_driver *di, const char *conn,
61 const char *serialcomm)
63 struct sr_dev_inst *sdi;
64 struct dev_context *devc;
65 struct sr_serial_dev_inst *serial;
68 char buf[128], *b, **tokens;
70 serial = sr_serial_dev_inst_new(conn, serialcomm);
72 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
78 /* We'll try the discovery sequence three times in case the device
79 * is not in an idle state when we send ID. */
80 while (!devices && retry < 3) {
83 if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
84 sr_err("Unable to send ID string");
88 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
89 * or '1' to signify an error. */
91 serial_readline(serial, &b, &len, 150);
97 /* If CMD_ACK was OK, ID string follows. */
99 serial_readline(serial, &b, &len, 850);
102 if (strcspn(buf, ",") < 15)
103 /* Looks like it's comma-separated. */
104 tokens = g_strsplit(buf, ",", 3);
106 /* Fluke 199B, at least, uses semicolon. */
107 tokens = g_strsplit(buf, ";", 3);
108 if (!strncmp("FLUKE", tokens[0], 5)
109 && tokens[1] && tokens[2]) {
110 for (i = 0; supported_flukedmm[i].model; i++) {
111 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
113 /* Skip leading spaces in version number. */
114 for (s = 0; tokens[1][s] == ' '; s++);
115 sdi = g_malloc0(sizeof(struct sr_dev_inst));
116 sdi->status = SR_ST_INACTIVE;
117 sdi->vendor = g_strdup("Fluke");
118 sdi->model = g_strdup(tokens[0] + 6);
119 sdi->version = g_strdup(tokens[1] + s);
120 devc = g_malloc0(sizeof(struct dev_context));
121 sr_sw_limits_init(&devc->limits);
122 devc->profile = &supported_flukedmm[i];
123 sdi->inst_type = SR_INST_SERIAL;
126 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
127 devices = g_slist_append(devices, sdi);
136 serial_close(serial);
138 sr_serial_dev_inst_free(serial);
140 return std_scan_complete(di, devices);
143 static GSList *scan(struct sr_dev_driver *di, GSList *options)
145 struct sr_config *src;
148 const char *conn, *serialcomm;
150 conn = serialcomm = NULL;
151 for (l = options; l; l = l->next) {
155 conn = g_variant_get_string(src->data, NULL);
157 case SR_CONF_SERIALCOMM:
158 serialcomm = g_variant_get_string(src->data, NULL);
167 /* Use the provided comm specs. */
168 devices = fluke_scan(di, conn, serialcomm);
170 for (i = 0; scan_conn[i]; i++) {
171 if ((devices = fluke_scan(di, conn, scan_conn[i])))
173 /* The Scopemeter 199B, at least, requires this
174 * after all the 115k/9.6k confusion. */
182 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
183 const struct sr_channel_group *cg)
185 struct dev_context *devc;
189 if (sdi->status != SR_ST_ACTIVE)
190 return SR_ERR_DEV_CLOSED;
194 return sr_sw_limits_config_set(&devc->limits, key, data);
197 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
198 const struct sr_channel_group *cg)
204 case SR_CONF_SCAN_OPTIONS:
205 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
206 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
208 case SR_CONF_DEVICE_OPTIONS:
209 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
210 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
219 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
221 struct dev_context *devc;
222 struct sr_serial_dev_inst *serial;
224 if (sdi->status != SR_ST_ACTIVE)
225 return SR_ERR_DEV_CLOSED;
229 sr_sw_limits_acquisition_start(&devc->limits);
230 std_session_send_df_header(sdi);
232 /* Poll every 100ms, or whenever some data comes in. */
234 serial_source_add(sdi->session, serial, G_IO_IN, 50,
235 fluke_receive_data, (void *)sdi);
237 if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
238 sr_err("Unable to send QM.");
241 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
242 devc->expect_response = TRUE;
247 static struct sr_dev_driver flukedmm_driver_info = {
249 .longname = "Fluke 18x/28x series DMMs",
252 .cleanup = std_cleanup,
254 .dev_list = std_dev_list,
257 .config_set = config_set,
258 .config_list = config_list,
259 .dev_open = std_serial_dev_open,
260 .dev_close = std_serial_dev_close,
261 .dev_acquisition_start = dev_acquisition_start,
262 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
265 SR_REGISTER_DEV_DRIVER(flukedmm_driver_info);