2 * This file is part of the libsigrok project.
4 * Copyright (C) 2018 Sven Bursch-Osewold <sb_git@bursch.com>
5 * Copyright (C) 2019 King Kévin <kingkevin@cuvoodoo.info>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 static const uint32_t scanopts[] = {
29 static const uint32_t drvopts[] = {
30 SR_CONF_ELECTRONIC_LOAD,
33 static const uint32_t devopts[] = {
35 SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
36 SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
37 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
40 static GSList *scan(struct sr_dev_driver *di, GSList *options)
42 struct dev_context *devc;
44 struct sr_dev_inst *sdi;
45 const char *conn, *serialcomm;
46 struct sr_config *src;
47 struct sr_serial_dev_inst *serial;
48 uint8_t reply[MSG_MAX_LEN];
53 for (l = options; l; l = l->next) {
57 conn = g_variant_get_string(src->data, NULL);
59 case SR_CONF_SERIALCOMM:
60 serialcomm = g_variant_get_string(src->data, NULL);
68 serialcomm = "9600/8e1";
70 serial = sr_serial_dev_inst_new(conn, serialcomm);
71 if (serial_open(serial, SERIAL_RDWR) != SR_OK)
74 sdi = g_malloc0(sizeof(struct sr_dev_inst));
75 sdi->status = SR_ST_INACTIVE;
76 sdi->vendor = g_strdup("ZKETECH");
77 sdi->model = g_strdup("EBD-USB");
78 sdi->inst_type = SR_INST_SERIAL;
81 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V.VBUS");
82 sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I.VBUS");
83 sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "V.D+");
84 sr_channel_new(sdi, 3, SR_CHANNEL_ANALOG, TRUE, "V.D-");
86 devc = g_malloc0(sizeof(struct dev_context));
87 g_mutex_init(&devc->rw_mutex);
88 devc->current_limit = 0;
89 devc->uvc_threshold = 0;
90 devc->running = FALSE;
91 devc->load_activated = FALSE;
92 sr_sw_limits_init(&devc->limits);
95 /* Starting device. */
96 ebd_init(serial, devc);
97 int ret = ebd_read_message(serial, MSG_MAX_LEN, reply);
99 sr_warn("Could not receive message!");
101 } else if (ret == 0) {
102 sr_warn("No message received!");
105 ebd_stop(serial, devc);
107 serial_close(serial);
112 return std_scan_complete(di, g_slist_append(NULL, sdi));
115 static int dev_close(struct sr_dev_inst *sdi)
117 struct dev_context *devc;
119 devc = (sdi) ? sdi->priv : NULL;
121 g_mutex_clear(&devc->rw_mutex);
123 return std_serial_dev_close(sdi);
126 static int config_get(uint32_t key, GVariant **data,
127 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
130 struct dev_context *devc;
141 case SR_CONF_LIMIT_SAMPLES:
142 case SR_CONF_LIMIT_MSEC:
143 return sr_sw_limits_config_get(&devc->limits, key, data);
144 case SR_CONF_CURRENT_LIMIT:
145 ret = ebd_get_current_limit(sdi, &fvalue);
147 *data = g_variant_new_double(fvalue);
149 case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD:
150 ret = ebd_get_uvc_threshold(sdi, &fvalue);
152 *data = g_variant_new_double(fvalue);
159 static int config_set(uint32_t key, GVariant *data,
160 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
163 struct dev_context *devc;
171 case SR_CONF_LIMIT_MSEC:
172 case SR_CONF_LIMIT_SAMPLES:
173 return sr_sw_limits_config_set(&devc->limits, key, data);
174 case SR_CONF_CURRENT_LIMIT:
175 value = g_variant_get_double(data);
176 if (value < 0.0 || value > 4.0)
178 return ebd_set_current_limit(sdi, value);
179 case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD:
180 value = g_variant_get_double(data);
181 if (value < 0.0 || value > 21.0)
183 return ebd_set_uvc_threshold(sdi, value);
189 static int config_list(uint32_t key, GVariant **data,
190 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
193 case SR_CONF_SCAN_OPTIONS:
194 case SR_CONF_DEVICE_OPTIONS:
195 return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts,
197 case SR_CONF_CURRENT_LIMIT:
198 *data = std_gvar_min_max_step(0.0, 4.0, 0.001);
200 case SR_CONF_UNDER_VOLTAGE_CONDITION_THRESHOLD:
201 *data = std_gvar_min_max_step(0.0, 21.0, 0.01);
210 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
212 struct dev_context *devc;
213 struct sr_serial_dev_inst *serial;
218 sr_sw_limits_acquisition_start(&devc->limits);
219 std_session_send_df_header(sdi);
221 ebd_init(serial, devc);
223 serial_source_add(sdi->session, serial, G_IO_IN, 100,
224 ebd_receive_data, (void *)sdi);
229 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
231 struct dev_context *devc;
235 if (devc->load_activated)
236 ebd_loadtoggle(sdi->conn, devc);
237 ebd_stop(sdi->conn, devc);
240 return std_serial_dev_acquisition_stop(sdi);
243 static struct sr_dev_driver zketech_ebd_usb_driver_info = {
244 .name = "zketech-ebd-usb",
245 .longname = "ZKETECH EBD-USB",
248 .cleanup = std_cleanup,
250 .dev_list = std_dev_list,
251 .dev_clear = std_dev_clear,
252 .config_get = config_get,
253 .config_set = config_set,
254 .config_list = config_list,
255 .dev_open = std_serial_dev_open,
256 .dev_close = dev_close,
257 .dev_acquisition_start = dev_acquisition_start,
258 .dev_acquisition_stop = dev_acquisition_stop,
261 SR_REGISTER_DEV_DRIVER(zketech_ebd_usb_driver_info);