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/>.
22 #include <sys/types.h>
26 #include <libsigrok/libsigrok.h>
27 #include "libsigrok-internal.h"
30 #define RDTECH_TC_SERIALCOMM "115200/8n1"
32 static const uint32_t scanopts[] = {
37 static const uint32_t drvopts[] = {
41 static const uint32_t devopts[] = {
43 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
44 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
47 static GSList *rdtech_tc_scan(struct sr_dev_driver *di, const char *conn,
48 const char *serialcomm)
50 struct sr_serial_dev_inst *serial;
51 GSList *devices = NULL;
52 struct dev_context *devc = NULL;
53 struct sr_dev_inst *sdi = NULL;
55 serial = sr_serial_dev_inst_new(conn, serialcomm);
56 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
59 devc = g_malloc0(sizeof(struct dev_context));
60 sr_sw_limits_init(&devc->limits);
62 if (rdtech_tc_probe(serial, devc) != SR_OK) {
63 sr_err("Failed to find a supported RDTech TC device.");
67 sdi = g_malloc0(sizeof(struct sr_dev_inst));
68 sdi->status = SR_ST_INACTIVE;
69 sdi->vendor = g_strdup("RDTech");
70 sdi->model = g_strdup(devc->dev_info.model_name);
71 sdi->version = g_strdup(devc->dev_info.fw_ver);
72 sdi->serial_num = g_strdup_printf("%08" PRIu32, devc->dev_info.serial_num);
73 sdi->inst_type = SR_INST_SERIAL;
77 for (int i = 0; devc->channels[i].name; i++)
78 sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE, devc->channels[i].name);
80 devices = g_slist_append(devices, sdi);
83 sr_serial_dev_inst_free(serial);
85 return std_scan_complete(di, devices);
91 sr_serial_dev_inst_free(serial);
96 static GSList *scan(struct sr_dev_driver *di, GSList *options)
98 struct sr_config *src;
99 const char *conn = NULL;
100 const char *serialcomm = RDTECH_TC_SERIALCOMM;
102 for (GSList *l = options; l; l = l->next) {
106 conn = g_variant_get_string(src->data, NULL);
108 case SR_CONF_SERIALCOMM:
109 serialcomm = g_variant_get_string(src->data, NULL);
116 return rdtech_tc_scan(di, conn, serialcomm);
119 static int config_set(uint32_t key, GVariant *data,
120 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
122 struct dev_context *devc;
128 return sr_sw_limits_config_set(&devc->limits, key, data);
131 static int config_list(uint32_t key, GVariant **data,
132 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
134 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
137 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
139 struct dev_context *devc = sdi->priv;
140 struct sr_serial_dev_inst *serial = sdi->conn;
142 sr_sw_limits_acquisition_start(&devc->limits);
143 std_session_send_df_header(sdi);
145 serial_source_add(sdi->session, serial, G_IO_IN, 50,
146 rdtech_tc_receive_data, (void *)sdi);
148 return rdtech_tc_poll(sdi);
151 static struct sr_dev_driver rdtech_tc_driver_info = {
153 .longname = "RDTech TC66C USB power meter",
156 .cleanup = std_cleanup,
158 .dev_list = std_dev_list,
159 .dev_clear = std_dev_clear,
161 .config_set = config_set,
162 .config_list = config_list,
163 .dev_open = std_serial_dev_open,
164 .dev_close = std_serial_dev_close,
165 .dev_acquisition_start = dev_acquisition_start,
166 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
169 SR_REGISTER_DEV_DRIVER(rdtech_tc_driver_info);