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,
51 const char *conn, 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;
61 serial = sr_serial_dev_inst_new(conn, serialcomm);
62 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
65 p = rdtech_um_probe(serial);
67 sr_err("Failed to find a supported RDTech UM device.");
71 devc = g_malloc0(sizeof(struct dev_context));
72 sdi = g_malloc0(sizeof(struct sr_dev_inst));
74 sr_sw_limits_init(&devc->limits);
77 sdi->status = SR_ST_INACTIVE;
78 sdi->vendor = g_strdup("RDTech");
79 sdi->model = g_strdup(p->model_name);
81 sdi->inst_type = SR_INST_SERIAL;
85 for (ch_idx = 0; (name = p->channels[ch_idx].name); ch_idx++)
86 sr_channel_new(sdi, ch_idx, SR_CHANNEL_ANALOG, TRUE, name);
88 devices = g_slist_append(devices, sdi);
91 sr_serial_dev_inst_free(serial);
93 return std_scan_complete(di, devices);
98 sr_serial_dev_inst_free(serial);
103 static GSList *scan(struct sr_dev_driver *di, GSList *options)
105 struct sr_config *src;
106 const char *conn = NULL;
107 const char *serialcomm = RDTECH_UM_SERIALCOMM;
109 for (GSList *l = options; l; l = l->next) {
113 conn = g_variant_get_string(src->data, NULL);
115 case SR_CONF_SERIALCOMM:
116 serialcomm = g_variant_get_string(src->data, NULL);
123 return rdtech_um_scan(di, conn, serialcomm);
126 static int config_set(uint32_t key, GVariant *data,
127 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
129 struct dev_context *devc;
135 return sr_sw_limits_config_set(&devc->limits, key, data);
138 static int config_list(uint32_t key, GVariant **data,
139 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
141 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
144 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
146 struct dev_context *devc = sdi->priv;
147 struct sr_serial_dev_inst *serial = sdi->conn;
149 sr_sw_limits_acquisition_start(&devc->limits);
150 std_session_send_df_header(sdi);
152 serial_source_add(sdi->session, serial, G_IO_IN, 50,
153 rdtech_um_receive_data, (void *)sdi);
155 return rdtech_um_poll(sdi);
158 static struct sr_dev_driver rdtech_um_driver_info = {
160 .longname = "RDTech UMxx USB power meter",
163 .cleanup = std_cleanup,
165 .dev_list = std_dev_list,
166 .dev_clear = std_dev_clear,
168 .config_set = config_set,
169 .config_list = config_list,
170 .dev_open = std_serial_dev_open,
171 .dev_close = std_serial_dev_close,
172 .dev_acquisition_start = dev_acquisition_start,
173 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
176 SR_REGISTER_DEV_DRIVER(rdtech_um_driver_info);