2 * This file is part of the libsigrok project.
4 * Copyright (C) 2020 Andreas Sandberg <andreas@sandberg.pp.se>
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/>.
24 #include <libsigrok/libsigrok.h>
26 #include <sys/types.h>
29 #include "libsigrok-internal.h"
32 #define RDTECH_TC_SERIALCOMM "115200/8n1"
34 static const uint32_t scanopts[] = {
39 static const uint32_t drvopts[] = {
43 static const uint32_t devopts[] = {
45 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
46 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
49 static GSList *rdtech_tc_scan(struct sr_dev_driver *di,
50 const char *conn, const char *serialcomm)
52 struct sr_serial_dev_inst *serial;
54 struct dev_context *devc;
55 struct sr_dev_inst *sdi;
57 const struct rdtech_tc_channel_desc *pch;
58 struct sr_channel *ch;
59 struct feed_queue_analog *feed;
61 serial = sr_serial_dev_inst_new(conn, serialcomm);
62 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
65 devc = g_malloc0(sizeof(*devc));
66 sr_sw_limits_init(&devc->limits);
68 if (rdtech_tc_probe(serial, devc) != SR_OK) {
69 sr_err("Failed to find a supported RDTech TC device.");
73 sdi = g_malloc0(sizeof(*sdi));
75 sdi->status = SR_ST_INACTIVE;
76 sdi->vendor = g_strdup("RDTech");
77 sdi->model = g_strdup(devc->dev_info.model_name);
78 sdi->version = g_strdup(devc->dev_info.fw_ver);
79 sdi->serial_num = g_strdup_printf("%08" PRIu32, devc->dev_info.serial_num);
80 sdi->inst_type = SR_INST_SERIAL;
83 devc->feeds = g_malloc0(devc->channel_count * sizeof(devc->feeds[0]));
84 for (i = 0; devc->channels[i].name; i++) {
85 pch = &devc->channels[i];
86 ch = sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, pch->name);
87 feed = feed_queue_analog_alloc(sdi, 1, pch->digits, ch);
88 feed_queue_analog_mq_unit(feed, pch->mq, 0, pch->unit);
89 feed_queue_analog_scale_offset(feed, &pch->scale, NULL);
90 devc->feeds[i] = feed;
93 devices = g_slist_append(NULL, sdi);
96 sr_serial_dev_inst_free(serial);
98 return std_scan_complete(di, devices);
102 serial_close(serial);
104 sr_serial_dev_inst_free(serial);
109 static void clear_helper(struct dev_context *devc)
117 for (idx = 0; idx < devc->channel_count; idx++)
118 feed_queue_analog_free(devc->feeds[idx]);
123 static int dev_clear(const struct sr_dev_driver *driver)
125 return std_dev_clear_with_callback(driver, (std_dev_clear_callback)clear_helper);
128 static GSList *scan(struct sr_dev_driver *di, GSList *options)
131 const char *serialcomm;
134 serialcomm = RDTECH_TC_SERIALCOMM;
135 (void)sr_serial_extract_options(options, &conn, &serialcomm);
139 return rdtech_tc_scan(di, conn, serialcomm);
142 static int config_set(uint32_t key, GVariant *data,
143 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
145 struct dev_context *devc;
151 return sr_sw_limits_config_set(&devc->limits, key, data);
154 static int config_list(uint32_t key, GVariant **data,
155 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
157 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
160 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
162 struct dev_context *devc;
163 struct sr_serial_dev_inst *serial;
166 sr_sw_limits_acquisition_start(&devc->limits);
167 std_session_send_df_header(sdi);
170 serial_source_add(sdi->session, serial, G_IO_IN, 50,
171 rdtech_tc_receive_data, (void *)sdi);
173 return rdtech_tc_poll(sdi, TRUE);
176 static struct sr_dev_driver rdtech_tc_driver_info = {
178 .longname = "RDTech TC66C USB power meter",
181 .cleanup = std_cleanup,
183 .dev_list = std_dev_list,
184 .dev_clear = dev_clear,
186 .config_set = config_set,
187 .config_list = config_list,
188 .dev_open = std_serial_dev_open,
189 .dev_close = std_serial_dev_close,
190 .dev_acquisition_start = dev_acquisition_start,
191 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
194 SR_REGISTER_DEV_DRIVER(rdtech_tc_driver_info);