2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2017 John Chajecki <subs@qcontinuum.plus.com>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/types.h>
29 #include <libsigrok/libsigrok.h>
30 #include "libsigrok-internal.h"
35 * This test violates the SCPI protocol, and confuses other devices.
36 * Disable it for now, until a better location was found.
40 static const uint32_t scanopts[] = {
45 static const uint32_t drvopts[] = {
49 static const uint32_t devopts[] = {
51 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
52 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
55 /* Vendor, model, number of channels, poll period */
56 static const struct fluke_scpi_dmm_model supported_models[] = {
57 { "FLUKE", "45", 2, 0 },
60 static struct sr_dev_driver fluke_45_driver_info;
62 static struct sr_dev_inst *probe_device(struct sr_scpi_dev_inst *scpi)
64 struct dev_context *devc;
65 struct sr_dev_inst *sdi;
66 struct sr_scpi_hw_info *hw_info;
67 const struct scpi_command *cmdset = fluke_45_cmdset;
69 const struct fluke_scpi_dmm_model *model = NULL;
76 /* Test for serial port ECHO enabled. */
78 sr_scpi_get_string(scpi, "ECHO-TEST", &response);
79 if (response && strcmp(response, "ECHO-TEST") == 0) {
80 sr_err("Serial port ECHO is ON. Please turn it OFF!");
88 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
89 sr_scpi_hw_info_free(hw_info);
90 sr_info("Couldn't get IDN response, retrying.");
93 if (sr_scpi_get_hw_id(scpi, &hw_info) != SR_OK) {
94 sr_scpi_hw_info_free(hw_info);
95 sr_info("Couldn't get IDN response.");
101 for (i = 0; i < ARRAY_SIZE(supported_models); i++) {
102 if (!g_ascii_strcasecmp(hw_info->manufacturer,
103 supported_models[i].vendor) &&
104 !strcmp(hw_info->model, supported_models[i].model)) {
105 model = &supported_models[i];
110 sr_scpi_hw_info_free(hw_info);
114 /* Set up device parameters. */
115 sdi = g_malloc0(sizeof(struct sr_dev_inst));
116 sdi->vendor = g_strdup(model->vendor);
117 sdi->model = g_strdup(model->model);
118 sdi->version = g_strdup(hw_info->firmware_version);
119 sdi->serial_num = g_strdup(hw_info->serial_number);
121 sdi->driver = &fluke_45_driver_info;
122 sdi->inst_type = SR_INST_SCPI;
123 sr_scpi_hw_info_free(hw_info);
125 devc = g_malloc0(sizeof(struct dev_context));
126 devc->num_channels = model->num_channels;
127 devc->cmdset = cmdset;
130 /* Create channels. */
131 for (i = 0; i < devc->num_channels; i++) {
132 channel_name = g_strdup_printf("P%d", i + 1);
133 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, channel_name);
139 static GSList *scan(struct sr_dev_driver *di, GSList *options)
141 return sr_scpi_scan(di->context, options, probe_device);
144 static int dev_open(struct sr_dev_inst *sdi)
146 struct sr_scpi_dev_inst *scpi;
151 if ((ret = sr_scpi_open(scpi) < 0)) {
152 sr_err("Failed to open SCPI device: %s.", sr_strerror(ret));
159 static int dev_close(struct sr_dev_inst *sdi)
161 struct sr_scpi_dev_inst *scpi;
168 return sr_scpi_close(scpi);
171 static int config_set(uint32_t key, GVariant *data,
172 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
174 struct dev_context *devc;
180 return sr_sw_limits_config_set(&devc->limits, key, data);
183 static int config_list(uint32_t key, GVariant **data,
184 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
186 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
189 static int config_get(uint32_t key, GVariant **data,
190 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
192 struct dev_context *devc = sdi->priv;
196 return sr_sw_limits_config_get(&devc->limits, key, data);
199 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
201 struct sr_scpi_dev_inst *scpi;
202 struct dev_context *devc;
208 sr_sw_limits_acquisition_start(&devc->limits);
209 std_session_send_df_header(sdi);
211 if ((ret = sr_scpi_source_add(sdi->session, scpi, G_IO_IN, 10,
212 fl45_scpi_receive_data, (void *)sdi)) != SR_OK)
218 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
220 struct sr_scpi_dev_inst *scpi;
226 * A requested value is certainly on the way. Retrieve it now,
227 * to avoid leaving the device in a state where it's not expecting
230 sr_scpi_get_double(scpi, NULL, &d);
231 sr_scpi_source_remove(sdi->session, scpi);
233 std_session_send_df_end(sdi);
238 static struct sr_dev_driver fluke_45_driver_info = {
240 .longname = "Fluke 45",
243 .cleanup = std_cleanup,
245 .dev_list = std_dev_list,
246 .dev_clear = std_dev_clear,
247 .config_get = config_get,
248 .config_set = config_set,
249 .config_list = config_list,
250 .dev_open = dev_open,
251 .dev_close = dev_close,
252 .dev_acquisition_start = dev_acquisition_start,
253 .dev_acquisition_stop = dev_acquisition_stop,
256 SR_REGISTER_DEV_DRIVER(fluke_45_driver_info);