2 * This file is part of the sigrok project.
4 * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de>
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 2 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, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
23 #include "libsigrok.h"
24 #include "libsigrok-internal.h"
27 #define SERIALCOMM "9600/8e1"
29 static const int hwopts[] = {
35 static const int hwcaps[] = {
36 SR_HWCAP_SOUNDLEVELMETER,
37 SR_HWCAP_LIMIT_SAMPLES,
42 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
43 static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
45 /* Properly close and free all devices. */
46 static int clear_instances(void)
48 struct sr_dev_inst *sdi;
49 struct drv_context *drvc;
50 struct dev_context *devc;
53 if (!(drvc = di->priv))
56 for (l = drvc->instances; l; l = l->next) {
59 if (!(devc = sdi->priv))
61 sr_serial_dev_inst_free(devc->serial);
62 sr_dev_inst_free(sdi);
65 g_slist_free(drvc->instances);
66 drvc->instances = NULL;
71 static int hw_init(struct sr_context *sr_ctx)
73 struct drv_context *drvc;
75 if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) {
76 sr_err("Driver context malloc failed.");
80 drvc->sr_ctx = sr_ctx;
86 static GSList *hw_scan(GSList *options)
88 struct drv_context *drvc;
89 struct dev_context *devc;
90 struct sr_dev_inst *sdi;
92 struct sr_probe *probe;
94 const char *conn, *serialcomm;
98 drvc->instances = NULL;
100 conn = serialcomm = NULL;
101 for (l = options; l; l = l->next) {
102 if (!(opt = l->data)) {
103 sr_err("Invalid option data, skipping.");
106 switch (opt->hwopt) {
110 case SR_HWOPT_SERIALCOMM:
111 serialcomm = opt->value;
114 sr_err("Unknown option %d, skipping.", opt->hwopt);
121 serialcomm = SERIALCOMM;
123 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
125 sr_err("Failed to create device instance.");
129 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
130 sr_err("Device context malloc failed.");
134 if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
137 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
142 probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
144 sr_err("Failed to create probe.");
147 sdi->probes = g_slist_append(sdi->probes, probe);
148 drvc->instances = g_slist_append(drvc->instances, sdi);
149 devices = g_slist_append(devices, sdi);
154 static GSList *hw_dev_list(void)
156 struct drv_context *drvc;
160 return drvc->instances;
163 static int hw_dev_open(struct sr_dev_inst *sdi)
165 struct dev_context *devc;
169 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
172 sdi->status = SR_ST_ACTIVE;
177 static int hw_dev_close(struct sr_dev_inst *sdi)
179 struct dev_context *devc;
183 if (devc->serial && devc->serial->fd != -1) {
184 serial_close(devc->serial);
185 sdi->status = SR_ST_INACTIVE;
191 static int hw_cleanup(void)
198 static int hw_info_get(int info_id, const void **data,
199 const struct sr_dev_inst *sdi)
211 sr_err("Unknown info_id: %d.", info_id);
218 static int hw_dev_config_set(const struct sr_dev_inst *sdi, int hwcap,
221 struct dev_context *devc;
223 if (sdi->status != SR_ST_ACTIVE) {
224 sr_err("Device inactive, can't set config options.");
231 case SR_HWCAP_LIMIT_SAMPLES:
232 devc->limit_samples = *(const uint64_t *)value;
233 sr_dbg("Setting sample limit to %" PRIu64 ".",
234 devc->limit_samples);
237 sr_err("Unknown hardware capability: %d.", hwcap);
244 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
247 struct sr_datafeed_packet packet;
248 struct sr_datafeed_header header;
249 struct sr_datafeed_meta_analog meta;
250 struct dev_context *devc;
253 devc->cb_data = cb_data;
255 /* Send header packet to the session bus. */
256 sr_dbg("Sending SR_DF_HEADER.");
257 packet.type = SR_DF_HEADER;
258 packet.payload = (uint8_t *)&header;
259 header.feed_version = 1;
260 gettimeofday(&header.starttime, NULL);
261 sr_session_send(devc->cb_data, &packet);
263 /* Send metadata about the SR_DF_ANALOG packets to come. */
264 sr_dbg("Sending SR_DF_META_ANALOG.");
265 packet.type = SR_DF_META_ANALOG;
266 packet.payload = &meta;
268 sr_session_send(devc->cb_data, &packet);
270 /* Poll every 500ms, or whenever some data comes in. */
271 sr_source_add(devc->serial->fd, G_IO_IN, 500,
272 tondaj_sl_814_receive_data, (void *)sdi);
277 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
280 struct sr_datafeed_packet packet;
281 struct dev_context *devc;
285 if (sdi->status != SR_ST_ACTIVE) {
286 sr_err("Device inactive, can't stop acquisition.");
292 if ((ret = sr_source_remove(devc->serial->fd)) < 0) {
293 sr_err("Error removing source: %d.", ret);
297 if ((ret = hw_dev_close(sdi)) < 0) {
298 sr_err("Error closing device: %d.", ret);
302 /* Send end packet to the session bus. */
303 sr_dbg("Sending SR_DF_END.");
304 packet.type = SR_DF_END;
305 sr_session_send(cb_data, &packet);
310 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
311 .name = "tondaj-sl-814",
312 .longname = "Tondaj SL-814",
315 .cleanup = hw_cleanup,
317 .dev_list = hw_dev_list,
318 .dev_clear = clear_instances,
319 .dev_open = hw_dev_open,
320 .dev_close = hw_dev_close,
321 .info_get = hw_info_get,
322 .dev_config_set = hw_dev_config_set,
323 .dev_acquisition_start = hw_dev_acquisition_start,
324 .dev_acquisition_stop = hw_dev_acquisition_stop,