2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018 Sven Bursch-Osewold <sb_git@bursch.com>
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 static const uint32_t scanopts[] = {
28 static const uint32_t drvopts[] = {
29 SR_CONF_ELECTRONIC_LOAD,
32 static const uint32_t devopts[] = {
34 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
35 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
38 static GSList *scan(struct sr_dev_driver *di, GSList *options)
40 struct dev_context *devc;
42 struct sr_dev_inst *sdi;
43 const char *conn, *serialcomm;
44 struct sr_config *src;
45 struct sr_serial_dev_inst *serial;
46 uint8_t reply[MSG_LEN];
51 for (l = options; l; l = l->next) {
55 conn = g_variant_get_string(src->data, NULL);
57 case SR_CONF_SERIALCOMM:
58 serialcomm = g_variant_get_string(src->data, NULL);
66 serialcomm = "9600/8e1";
68 serial = sr_serial_dev_inst_new(conn, serialcomm);
69 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
72 sdi = g_malloc0(sizeof(struct sr_dev_inst));
73 sdi->status = SR_ST_INACTIVE;
74 sdi->vendor = g_strdup("ZKETECH");
75 sdi->model = g_strdup("EBD-USB");
76 sdi->inst_type = SR_INST_SERIAL;
79 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V");
80 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I");
82 devc = g_malloc0(sizeof(struct dev_context));
83 g_mutex_init(&devc->rw_mutex);
84 devc->current_limit = 0;
85 devc->running = FALSE;
86 devc->load_activated = FALSE;
87 sr_sw_limits_init(&devc->limits);
90 /* Starting device. */
91 ebd_init(serial, devc);
92 int ret = ebd_read_chars(serial, MSG_LEN, reply);
93 if (ret != MSG_LEN || reply[MSG_FRAME_BEGIN_POS] != MSG_FRAME_BEGIN \
94 || reply[MSG_FRAME_END_POS] != MSG_FRAME_END) {
95 sr_warn("Invalid message received!");
98 ebd_stop(serial, devc);
100 serial_close(serial);
105 return std_scan_complete(di, g_slist_append(NULL, sdi));
108 static int dev_close(struct sr_dev_inst *sdi)
110 struct dev_context *devc;
112 devc = (sdi) ? sdi->priv : NULL;
114 g_mutex_clear(&devc->rw_mutex);
116 return std_serial_dev_close(sdi);
119 static int config_get(uint32_t key, GVariant **data,
120 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
123 struct dev_context *devc;
134 case SR_CONF_LIMIT_SAMPLES:
135 case SR_CONF_LIMIT_MSEC:
136 return sr_sw_limits_config_get(&devc->limits, key, data);
137 case SR_CONF_CURRENT_LIMIT:
138 ret = ebd_get_current_limit(sdi, &fvalue);
140 *data = g_variant_new_double(fvalue);
147 static int config_set(uint32_t key, GVariant *data,
148 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
151 struct dev_context *devc;
159 case SR_CONF_LIMIT_MSEC:
160 case SR_CONF_LIMIT_SAMPLES:
161 return sr_sw_limits_config_set(&devc->limits, key, data);
162 case SR_CONF_CURRENT_LIMIT:
163 value = g_variant_get_double(data);
164 if (value < 0.0 || value > 4.0)
166 return ebd_set_current_limit(sdi, value);
172 static int config_list(uint32_t key, GVariant **data,
173 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
176 case SR_CONF_SCAN_OPTIONS:
177 case SR_CONF_DEVICE_OPTIONS:
178 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts);
179 case SR_CONF_CURRENT_LIMIT:
180 *data = std_gvar_min_max_step(0.0, 4.0, 0.01);
189 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
191 struct dev_context *devc;
192 struct sr_serial_dev_inst *serial;
197 sr_sw_limits_acquisition_start(&devc->limits);
198 std_session_send_df_header(sdi);
200 ebd_init(serial, devc);
201 if (!ebd_current_is0(devc))
202 ebd_loadstart(serial, devc);
204 serial_source_add(sdi->session, serial, G_IO_IN, 100,
205 ebd_receive_data, (void *)sdi);
210 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
212 ebd_loadstop(sdi->conn, sdi->priv);
214 return std_serial_dev_acquisition_stop(sdi);
217 static struct sr_dev_driver zketech_ebd_usb_driver_info = {
218 .name = "zketech-ebd-usb",
219 .longname = "ZKETECH EBD-USB",
222 .cleanup = std_cleanup,
224 .dev_list = std_dev_list,
225 .dev_clear = std_dev_clear,
226 .config_get = config_get,
227 .config_set = config_set,
228 .config_list = config_list,
229 .dev_open = std_serial_dev_open,
230 .dev_close = dev_close,
231 .dev_acquisition_start = dev_acquisition_start,
232 .dev_acquisition_stop = dev_acquisition_stop,
235 SR_REGISTER_DEV_DRIVER(zketech_ebd_usb_driver_info);