2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018-2020 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_UM_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_um_scan(struct sr_dev_driver *di,
50 const char *conn, const char *serialcomm)
52 struct sr_serial_dev_inst *serial;
53 const struct rdtech_um_profile *p;
55 struct dev_context *devc;
56 struct sr_dev_inst *sdi;
60 serial = sr_serial_dev_inst_new(conn, serialcomm);
61 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
64 p = rdtech_um_probe(serial);
66 sr_err("Failed to find a supported RDTech UM device.");
70 devc = g_malloc0(sizeof(struct dev_context));
71 sdi = g_malloc0(sizeof(struct sr_dev_inst));
73 sr_sw_limits_init(&devc->limits);
76 sdi->status = SR_ST_INACTIVE;
77 sdi->vendor = g_strdup("RDTech");
78 sdi->model = g_strdup(p->model_name);
80 sdi->inst_type = SR_INST_SERIAL;
84 for (ch_idx = 0; (name = p->channels[ch_idx].name); ch_idx++)
85 sr_channel_new(sdi, ch_idx, SR_CHANNEL_ANALOG, TRUE, name);
87 devices = g_slist_append(NULL, sdi);
90 sr_serial_dev_inst_free(serial);
92 return std_scan_complete(di, devices);
97 sr_serial_dev_inst_free(serial);
102 static GSList *scan(struct sr_dev_driver *di, GSList *options)
105 const char *serialcomm;
107 struct sr_config *src;
110 serialcomm = RDTECH_UM_SERIALCOMM;
111 for (l = options; l; l = l->next) {
115 conn = g_variant_get_string(src->data, NULL);
117 case SR_CONF_SERIALCOMM:
118 serialcomm = g_variant_get_string(src->data, NULL);
125 return rdtech_um_scan(di, conn, serialcomm);
128 static int config_set(uint32_t key, GVariant *data,
129 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
131 struct dev_context *devc;
137 return sr_sw_limits_config_set(&devc->limits, key, data);
140 static int config_list(uint32_t key, GVariant **data,
141 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
143 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
146 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
148 struct dev_context *devc;
149 struct sr_serial_dev_inst *serial;
152 sr_sw_limits_acquisition_start(&devc->limits);
153 std_session_send_df_header(sdi);
156 serial_source_add(sdi->session, serial, G_IO_IN, 50,
157 rdtech_um_receive_data, (void *)sdi);
159 return rdtech_um_poll(sdi, TRUE);
162 static struct sr_dev_driver rdtech_um_driver_info = {
164 .longname = "RDTech UMxx USB power meter",
167 .cleanup = std_cleanup,
169 .dev_list = std_dev_list,
170 .dev_clear = std_dev_clear,
172 .config_set = config_set,
173 .config_list = config_list,
174 .dev_open = std_serial_dev_open,
175 .dev_close = std_serial_dev_close,
176 .dev_acquisition_start = dev_acquisition_start,
177 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
180 SR_REGISTER_DEV_DRIVER(rdtech_um_driver_info);