2 * This file is part of the libsigrok project.
4 * Copyright (C) 2016 danselmi <da@da>
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 ipdbg_org_la_drvopts[] = {
24 SR_CONF_LOGIC_ANALYZER,
27 static const uint32_t ipdbg_org_la_scanopts[] = {
31 static const uint32_t ipdbg_org_la_devopts[] = {
32 SR_CONF_TRIGGER_MATCH | SR_CONF_LIST | SR_CONF_SET,
33 SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET,
34 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET,
37 static const int32_t ipdbg_org_la_trigger_matches[] = {
45 SR_PRIV struct sr_dev_driver ipdbg_la_driver_info;
47 static void ipdbg_org_la_split_addr_port(const char *conn, char **addr,
50 char **strs = g_strsplit(conn, "/", 3);
52 *addr = g_strdup(strs[1]);
53 *port = g_strdup(strs[2]);
58 static GSList *scan(struct sr_dev_driver *di, GSList *options)
60 struct drv_context *drvc;
65 drvc->instances = NULL;
67 struct sr_config *src;
71 for (l = options; l; l = l->next) {
75 conn = g_variant_get_string(src->data, NULL);
83 struct ipdbg_org_la_tcp *tcp = ipdbg_org_la_tcp_new();
85 ipdbg_org_la_split_addr_port(conn, &tcp->address, &tcp->port);
90 if (ipdbg_org_la_tcp_open(tcp) != SR_OK)
93 ipdbg_org_la_send_reset(tcp);
94 ipdbg_org_la_send_reset(tcp);
95 ipdbg_org_la_request_id(tcp);
97 struct sr_dev_inst *sdi = g_malloc0(sizeof(struct sr_dev_inst));
99 sr_err("no possible to allocate sr_dev_inst");
103 sdi->status = SR_ST_INACTIVE;
104 sdi->vendor = g_strdup("ipdbg.org");
105 sdi->model = g_strdup("Logic Analyzer");
106 sdi->version = g_strdup("v1.0");
109 struct ipdbg_org_la_dev_context *devc = ipdbg_org_la_dev_new();
112 ipdbg_org_la_get_addrwidth_and_datawidth(tcp, devc);
114 sr_dbg("addr_width = %d, data_width = %d\n", devc->ADDR_WIDTH,
116 sr_dbg("limit samples = %" PRIu64 "\n", devc->limit_samples_max);
118 for (uint32_t i = 0; i < devc->DATA_WIDTH; i++) {
119 const uint8_t buf_size = 16;
121 snprintf(buf, buf_size, "ch%d", i);
122 sr_channel_new(sdi, i, SR_CHANNEL_LOGIC, TRUE, buf);
125 sdi->inst_type = SR_INST_USER;
128 ipdbg_org_la_tcp_close(tcp);
130 devices = g_slist_append(devices, sdi);
132 return std_scan_complete(di, devices);
135 static int dev_clear(const struct sr_dev_driver *di)
137 struct drv_context *drvc = di->context;
138 struct sr_dev_inst *sdi;
142 for (l = drvc->instances; l; l = l->next) {
144 struct ipdbg_org_la_tcp *tcp = sdi->conn;
146 ipdbg_org_la_tcp_close(tcp);
147 ipdbg_org_la_tcp_free(tcp);
154 return std_dev_clear(di);
157 static int dev_open(struct sr_dev_inst *sdi)
159 sdi->status = SR_ST_INACTIVE;
161 struct ipdbg_org_la_tcp *tcp = sdi->conn;
166 if (ipdbg_org_la_tcp_open(tcp) != SR_OK)
169 sdi->status = SR_ST_ACTIVE;
174 static int dev_close(struct sr_dev_inst *sdi)
176 // Should be called before a new call to scan()
177 struct ipdbg_org_la_tcp *tcp = sdi->conn;
180 ipdbg_org_la_tcp_close(tcp);
183 sdi->status = SR_ST_INACTIVE;
188 static int config_get(uint32_t key, GVariant **data,
189 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
195 struct ipdbg_org_la_dev_context *devc = sdi->priv;
198 case SR_CONF_CAPTURE_RATIO:
199 *data = g_variant_new_uint64(devc->capture_ratio);
201 case SR_CONF_LIMIT_SAMPLES:
202 *data = g_variant_new_uint64(devc->limit_samples);
211 static int config_set(uint32_t key, GVariant *data,
212 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
219 if (sdi->status != SR_ST_ACTIVE)
220 return SR_ERR_DEV_CLOSED;
222 struct ipdbg_org_la_dev_context *devc = sdi->priv;
225 case SR_CONF_CAPTURE_RATIO:
226 value = g_variant_get_uint64(data);
228 devc->capture_ratio = value;
232 case SR_CONF_LIMIT_SAMPLES:
233 value = g_variant_get_uint64(data);
234 if (value <= devc->limit_samples_max)
235 devc->limit_samples = value;
246 static int config_list(uint32_t key, GVariant **data,
247 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
252 case SR_CONF_SCAN_OPTIONS:
253 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
254 ipdbg_org_la_scanopts,
256 (ipdbg_org_la_scanopts),
259 case SR_CONF_DEVICE_OPTIONS:
261 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
262 ipdbg_org_la_drvopts,
264 (ipdbg_org_la_drvopts),
267 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
268 ipdbg_org_la_devopts,
270 (ipdbg_org_la_devopts),
273 case SR_CONF_TRIGGER_MATCH:
274 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
275 ipdbg_org_la_trigger_matches,
277 (ipdbg_org_la_trigger_matches),
287 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
289 return std_init(di, sr_ctx);
292 static GSList *dev_list(const struct sr_dev_driver *di)
294 return ((struct drv_context *)(di->context))->instances;
297 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
299 if (sdi->status != SR_ST_ACTIVE)
300 return SR_ERR_DEV_CLOSED;
302 struct ipdbg_org_la_tcp *tcp = sdi->conn;
303 struct ipdbg_org_la_dev_context *devc = sdi->priv;
305 ipdbg_org_la_convert_trigger(sdi);
306 ipdbg_org_la_send_trigger(devc, tcp);
307 ipdbg_org_la_send_delay(devc, tcp);
309 /* If the device stops sending for longer than it takes to send a byte,
310 * that means it's finished. But wait at least 100 ms to be safe.
312 sr_session_source_add(sdi->session, tcp->socket, G_IO_IN, 100,
313 ipdbg_org_la_receive_data, (struct sr_dev_inst *)sdi);
315 ipdbg_org_la_send_start(tcp);
320 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
322 struct ipdbg_org_la_tcp *tcp = sdi->conn;
323 struct ipdbg_org_la_dev_context *devc = sdi->priv;
327 if (devc->num_transfers > 0) {
328 while (devc->num_transfers <
329 (devc->limit_samples_max * devc->DATA_WIDTH_BYTES)) {
330 ipdbg_org_la_tcp_receive(tcp, &byte);
331 devc->num_transfers++;
335 ipdbg_org_la_send_reset(tcp);
336 ipdbg_org_la_abort_acquisition(sdi);
341 SR_PRIV struct sr_dev_driver ipdbg_la_driver_info = {
342 .name = "ipdbg-org-la",
343 .longname = "ipdbg.org logic analyzer",
346 .cleanup = std_cleanup,
348 .dev_list = dev_list,
349 .dev_clear = dev_clear,
350 .config_get = config_get,
351 .config_set = config_set,
352 .config_list = config_list,
353 .dev_open = dev_open,
354 .dev_close = dev_close,
355 .dev_acquisition_start = dev_acquisition_start,
356 .dev_acquisition_stop = dev_acquisition_stop,
360 SR_REGISTER_DEV_DRIVER(ipdbg_la_driver_info);