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_CONF_SOUNDLEVELMETER,
37 SR_CONF_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 return std_hw_init(sr_ctx, di, DRIVER_LOG_DOMAIN);
76 static GSList *hw_scan(GSList *options)
78 struct drv_context *drvc;
79 struct dev_context *devc;
80 struct sr_dev_inst *sdi;
81 struct sr_config *src;
82 struct sr_probe *probe;
84 const char *conn, *serialcomm;
87 drvc->instances = NULL;
91 conn = serialcomm = NULL;
92 for (l = options; l; l = l->next) {
93 if (!(src = l->data)) {
94 sr_err("Invalid option data, skipping.");
101 case SR_CONF_SERIALCOMM:
102 serialcomm = src->value;
105 sr_err("Unknown option %d, skipping.", src->key);
112 serialcomm = SERIALCOMM;
114 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
116 sr_err("Failed to create device instance.");
120 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
121 sr_err("Device context malloc failed.");
125 if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm)))
128 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
133 probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
135 sr_err("Failed to create probe.");
138 sdi->probes = g_slist_append(sdi->probes, probe);
139 drvc->instances = g_slist_append(drvc->instances, sdi);
140 devices = g_slist_append(devices, sdi);
145 static GSList *hw_dev_list(void)
147 return ((struct drv_context *)(di->priv))->instances;
150 static int hw_dev_open(struct sr_dev_inst *sdi)
152 struct dev_context *devc;
156 if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
159 sdi->status = SR_ST_ACTIVE;
164 static int hw_dev_close(struct sr_dev_inst *sdi)
166 struct dev_context *devc;
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) {
190 sr_err("Device inactive, can't set config options.");
197 case SR_CONF_LIMIT_SAMPLES:
198 devc->limit_samples = *(const uint64_t *)value;
199 sr_dbg("Setting sample limit to %" PRIu64 ".",
200 devc->limit_samples);
203 sr_err("Unknown hardware capability: %d.", id);
210 static int config_list(int key, const void **data, const struct sr_dev_inst *sdi)
216 case SR_CONF_SCAN_OPTIONS:
219 case SR_CONF_DEVICE_OPTIONS:
229 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
232 struct dev_context *devc;
235 devc->cb_data = cb_data;
237 /* Send header packet to the session bus. */
238 std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN);
240 /* Poll every 500ms, or whenever some data comes in. */
241 sr_source_add(devc->serial->fd, G_IO_IN, 500,
242 tondaj_sl_814_receive_data, (void *)sdi);
247 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
249 return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
250 ((struct dev_context *)(sdi->priv))->serial, DRIVER_LOG_DOMAIN);
253 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
254 .name = "tondaj-sl-814",
255 .longname = "Tondaj SL-814",
258 .cleanup = hw_cleanup,
260 .dev_list = hw_dev_list,
261 .dev_clear = clear_instances,
263 .config_set = config_set,
264 .config_list = config_list,
265 .dev_open = hw_dev_open,
266 .dev_close = hw_dev_close,
267 .dev_acquisition_start = hw_dev_acquisition_start,
268 .dev_acquisition_stop = hw_dev_acquisition_stop,