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 drvopts[] = {
39 static const uint32_t devopts[] = {
41 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
42 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
45 static const char *scan_conn[] = {
50 /* Scopemeter 190 series */
55 static const struct flukedmm_profile supported_flukedmm[] = {
56 { FLUKE_87, "87", 100, 1000 },
57 { FLUKE_89, "89", 100, 1000 },
58 { FLUKE_187, "187", 100, 1000 },
59 { FLUKE_189, "189", 100, 1000 },
60 { FLUKE_190, "199B", 1000, 3500 },
61 { FLUKE_287, "287", 100, 1000 },
62 { FLUKE_289, "289", 100, 1000 },
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 dev_context *devc;
70 struct sr_serial_dev_inst *serial;
73 char buf[128], *b, **tokens;
75 serial = sr_serial_dev_inst_new(conn, serialcomm);
77 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
83 /* We'll try the discovery sequence three times in case the device
84 * is not in an idle state when we send ID. */
85 while (!devices && retry < 3) {
88 if (serial_write_blocking(serial, "ID\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
89 sr_err("Unable to send ID string");
93 /* Response is first a CMD_ACK byte (ASCII '0' for OK,
94 * or '1' to signify an error. */
96 serial_readline(serial, &b, &len, 150);
102 /* If CMD_ACK was OK, ID string follows. */
104 serial_readline(serial, &b, &len, 850);
107 if (strcspn(buf, ",") < 15)
108 /* Looks like it's comma-separated. */
109 tokens = g_strsplit(buf, ",", 3);
111 /* Fluke 199B, at least, uses semicolon. */
112 tokens = g_strsplit(buf, ";", 3);
113 if (!strncmp("FLUKE", tokens[0], 5)
114 && tokens[1] && tokens[2]) {
115 for (i = 0; supported_flukedmm[i].model; i++) {
116 if (strcmp(supported_flukedmm[i].modelname, tokens[0] + 6))
118 /* Skip leading spaces in version number. */
119 for (s = 0; tokens[1][s] == ' '; s++);
120 sdi = g_malloc0(sizeof(struct sr_dev_inst));
121 sdi->status = SR_ST_INACTIVE;
122 sdi->vendor = g_strdup("Fluke");
123 sdi->model = g_strdup(tokens[0] + 6);
124 sdi->version = g_strdup(tokens[1] + s);
125 devc = g_malloc0(sizeof(struct dev_context));
126 sr_sw_limits_init(&devc->limits);
127 devc->profile = &supported_flukedmm[i];
128 sdi->inst_type = SR_INST_SERIAL;
131 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "P1");
132 devices = g_slist_append(devices, sdi);
141 serial_close(serial);
143 sr_serial_dev_inst_free(serial);
145 return std_scan_complete(di, devices);
148 static GSList *scan(struct sr_dev_driver *di, GSList *options)
150 struct sr_config *src;
153 const char *conn, *serialcomm;
155 conn = serialcomm = NULL;
156 for (l = options; l; l = l->next) {
160 conn = g_variant_get_string(src->data, NULL);
162 case SR_CONF_SERIALCOMM:
163 serialcomm = g_variant_get_string(src->data, NULL);
172 /* Use the provided comm specs. */
173 devices = fluke_scan(di, conn, serialcomm);
175 for (i = 0; scan_conn[i]; i++) {
176 if ((devices = fluke_scan(di, conn, scan_conn[i])))
178 /* The Scopemeter 199B, at least, requires this
179 * after all the 115k/9.6k confusion. */
187 static int config_set(uint32_t key, GVariant *data,
188 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
190 struct dev_context *devc;
196 return sr_sw_limits_config_set(&devc->limits, key, data);
199 static int config_list(uint32_t key, GVariant **data,
200 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
202 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
205 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
207 struct dev_context *devc;
208 struct sr_serial_dev_inst *serial;
212 sr_sw_limits_acquisition_start(&devc->limits);
213 std_session_send_df_header(sdi);
216 serial_source_add(sdi->session, serial, G_IO_IN, 50,
217 fluke_receive_data, (void *)sdi);
219 if (serial_write_blocking(serial, "QM\r", 3, SERIAL_WRITE_TIMEOUT_MS) < 0) {
220 sr_err("Unable to send QM.");
223 devc->cmd_sent_at = g_get_monotonic_time() / 1000;
224 devc->expect_response = TRUE;
229 static struct sr_dev_driver flukedmm_driver_info = {
231 .longname = "Fluke 8x/18x/28x series DMMs",
234 .cleanup = std_cleanup,
236 .dev_list = std_dev_list,
237 .dev_clear = std_dev_clear,
239 .config_set = config_set,
240 .config_list = config_list,
241 .dev_open = std_serial_dev_open,
242 .dev_close = std_serial_dev_close,
243 .dev_acquisition_start = dev_acquisition_start,
244 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
247 SR_REGISTER_DEV_DRIVER(flukedmm_driver_info);