2 * This file is part of the libsigrok project.
4 * Copyright (C) 2012 Bert Vermeulen <bert@biot.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/>.
21 #include "libsigrok.h"
22 #include "libsigrok-internal.h"
24 #include <sys/types.h>
30 /* The Colead SL-5868P uses this. */
31 #define SERIALCOMM "2400/8n1"
33 static const int hwopts[] = {
39 static const int hwcaps[] = {
40 SR_CONF_SOUNDLEVELMETER,
41 SR_CONF_LIMIT_SAMPLES,
47 SR_PRIV struct sr_dev_driver colead_slm_driver_info;
48 static struct sr_dev_driver *di = &colead_slm_driver_info;
50 /* Properly close and free all devices. */
51 static int clear_instances(void)
53 struct sr_dev_inst *sdi;
54 struct drv_context *drvc;
55 struct dev_context *devc;
58 if (!(drvc = di->priv))
61 for (l = drvc->instances; l; l = l->next) {
64 if (!(devc = sdi->priv))
66 sr_serial_dev_inst_free(devc->serial);
67 sr_dev_inst_free(sdi);
69 g_slist_free(drvc->instances);
70 drvc->instances = NULL;
75 static int hw_init(struct sr_context *sr_ctx)
77 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
80 static GSList *hw_scan(GSList *options)
82 struct drv_context *drvc;
83 struct dev_context *devc;
84 struct sr_dev_inst *sdi;
85 struct sr_config *src;
86 struct sr_probe *probe;
88 const char *conn, *serialcomm;
91 drvc->instances = NULL;
95 conn = serialcomm = NULL;
96 for (l = options; l; l = l->next) {
102 case SR_CONF_SERIALCOMM:
103 serialcomm = src->value;
110 serialcomm = SERIALCOMM;
112 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Colead",
116 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
117 sr_dbg("Device context malloc failed.");
121 if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
126 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1")))
128 sdi->probes = g_slist_append(sdi->probes, probe);
129 drvc->instances = g_slist_append(drvc->instances, sdi);
130 devices = g_slist_append(devices, sdi);
135 static GSList *hw_dev_list(void)
137 struct drv_context *drvc;
141 return drvc->instances;
144 static int hw_dev_open(struct sr_dev_inst *sdi)
146 struct dev_context *devc;
148 if (!(devc = sdi->priv)) {
149 sr_err("sdi->priv was NULL.");
153 if (serial_open(devc->serial, SERIAL_RDWR) != SR_OK)
156 sdi->status = SR_ST_ACTIVE;
161 static int hw_dev_close(struct sr_dev_inst *sdi)
163 struct dev_context *devc;
165 if (!(devc = sdi->priv)) {
166 sr_err("sdi->priv was NULL.");
170 if (devc->serial && devc->serial->fd != -1) {
171 serial_close(devc->serial);
172 sdi->status = SR_ST_INACTIVE;
178 static int hw_cleanup(void)
185 static int config_set(int id, const void *value, const struct sr_dev_inst *sdi)
187 struct dev_context *devc;
189 if (sdi->status != SR_ST_ACTIVE)
192 if (!(devc = sdi->priv)) {
193 sr_err("sdi->priv was NULL.");
198 case SR_CONF_LIMIT_MSEC:
199 /* TODO: not yet implemented */
200 if (*(const uint64_t *)value == 0) {
201 sr_err("LIMIT_MSEC can't be 0.");
204 devc->limit_msec = *(const uint64_t *)value;
205 sr_dbg("Setting time limit to %" PRIu64 "ms.",
208 case SR_CONF_LIMIT_SAMPLES:
209 devc->limit_samples = *(const uint64_t *)value;
210 sr_dbg("Setting sample limit to %" PRIu64 ".",
211 devc->limit_samples);
214 sr_err("Unknown capability: %d.", id);
222 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
228 case SR_CONF_SCAN_OPTIONS:
231 case SR_CONF_DEVICE_OPTIONS:
241 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
244 struct sr_datafeed_packet packet;
245 struct sr_datafeed_header header;
246 struct dev_context *devc;
248 if (!(devc = sdi->priv)) {
249 sr_err("sdi->priv was NULL.");
253 sr_dbg("Starting acquisition.");
255 devc->cb_data = cb_data;
257 /* Send header packet to the session bus. */
258 sr_dbg("Sending SR_DF_HEADER.");
259 packet.type = SR_DF_HEADER;
260 packet.payload = (uint8_t *)&header;
261 header.feed_version = 1;
262 gettimeofday(&header.starttime, NULL);
263 sr_session_send(devc->cb_data, &packet);
265 /* Poll every 150ms, or whenever some data comes in. */
266 sr_source_add(devc->serial->fd, G_IO_IN, 150, colead_slm_receive_data,
272 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
274 struct sr_datafeed_packet packet;
275 struct dev_context *devc;
277 if (sdi->status != SR_ST_ACTIVE)
280 if (!(devc = sdi->priv)) {
281 sr_err("sdi->priv was NULL.");
285 sr_dbg("Stopping acquisition.");
287 sr_source_remove(devc->serial->fd);
288 hw_dev_close((struct sr_dev_inst *)sdi);
290 /* Send end packet to the session bus. */
291 sr_dbg("Sending SR_DF_END.");
292 packet.type = SR_DF_END;
293 sr_session_send(cb_data, &packet);
298 SR_PRIV struct sr_dev_driver colead_slm_driver_info = {
299 .name = "colead-slm",
300 .longname = "Colead SLM",
303 .cleanup = hw_cleanup,
305 .dev_list = hw_dev_list,
306 .dev_clear = clear_instances,
307 .config_set = config_set,
308 .config_list = config_list,
309 .dev_open = hw_dev_open,
310 .dev_close = hw_dev_close,
311 .dev_acquisition_start = hw_dev_acquisition_start,
312 .dev_acquisition_stop = hw_dev_acquisition_stop,