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/>.
23 #include <sys/types.h>
28 #include <libsigrok/libsigrok.h>
29 #include "libsigrok-internal.h"
33 #define RDTECH_UM_SERIALCOMM "115200/8n1"
35 static const uint32_t scanopts[] = {
40 static const uint32_t drvopts[] = {
44 static const uint32_t devopts[] = {
46 SR_CONF_LIMIT_SAMPLES | SR_CONF_SET,
47 SR_CONF_LIMIT_MSEC | SR_CONF_SET,
50 static GSList *rdtech_um_scan(struct sr_dev_driver *di, const char *conn,
51 const char *serialcomm)
53 struct sr_serial_dev_inst *serial;
54 const struct rdtech_um_profile *p = NULL;
55 GSList *devices = NULL;
56 struct dev_context *devc = NULL;
57 struct sr_dev_inst *sdi = NULL;
59 serial = sr_serial_dev_inst_new(conn, serialcomm);
60 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
63 p = rdtech_um_probe(serial);
65 sr_err("Failed to find a supported RDTech UM device.");
69 devc = g_malloc0(sizeof(struct dev_context));
70 sdi = g_malloc0(sizeof(struct sr_dev_inst));
72 sr_sw_limits_init(&devc->limits);
75 sdi->status = SR_ST_INACTIVE;
76 sdi->vendor = g_strdup("RDTech");
77 sdi->model = g_strdup(p->model_name);
79 sdi->inst_type = SR_INST_SERIAL;
83 for (int i = 0; p->channels[i].name; i++)
84 sr_channel_new(sdi, i, SR_CHANNEL_ANALOG, TRUE,
87 devices = g_slist_append(devices, 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)
104 struct sr_config *src;
105 const char *conn = NULL;
106 const char *serialcomm = RDTECH_UM_SERIALCOMM;
108 for (GSList *l = options; l; l = l->next) {
112 conn = g_variant_get_string(src->data, NULL);
114 case SR_CONF_SERIALCOMM:
115 serialcomm = g_variant_get_string(src->data, NULL);
122 return rdtech_um_scan(di, conn, serialcomm);
125 static int config_set(uint32_t key, GVariant *data,
126 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
128 struct dev_context *devc;
134 return sr_sw_limits_config_set(&devc->limits, key, data);
137 static int config_list(uint32_t key, GVariant **data,
138 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
140 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
143 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
145 struct dev_context *devc = sdi->priv;
146 struct sr_serial_dev_inst *serial = sdi->conn;
148 sr_sw_limits_acquisition_start(&devc->limits);
149 std_session_send_df_header(sdi);
151 serial_source_add(sdi->session, serial, G_IO_IN, 50,
152 rdtech_um_receive_data, (void *)sdi);
154 return rdtech_um_poll(sdi);
157 static struct sr_dev_driver rdtech_um_driver_info = {
159 .longname = "RDTech UMxx USB power meter",
162 .cleanup = std_cleanup,
164 .dev_list = std_dev_list,
165 .dev_clear = std_dev_clear,
167 .config_set = config_set,
168 .config_list = config_list,
169 .dev_open = std_serial_dev_open,
170 .dev_close = std_serial_dev_close,
171 .dev_acquisition_start = dev_acquisition_start,
172 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
175 SR_REGISTER_DEV_DRIVER(rdtech_um_driver_info);