2 * This file is part of the libsigrok 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 int32_t hwopts[] = {
34 static const int32_t hwcaps[] = {
35 SR_CONF_SOUNDLEVELMETER,
36 SR_CONF_LIMIT_SAMPLES,
40 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info;
41 static struct sr_dev_driver *di = &tondaj_sl_814_driver_info;
43 /* Properly close and free all devices. */
44 static int clear_instances(void)
46 struct sr_dev_inst *sdi;
47 struct drv_context *drvc;
48 struct dev_context *devc;
49 struct sr_serial_dev_inst *serial;
52 if (!(drvc = di->priv))
55 for (l = drvc->instances; l; l = l->next) {
58 if (!(devc = sdi->priv))
61 sr_serial_dev_inst_free(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, LOG_PREFIX);
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;
85 struct sr_serial_dev_inst *serial;
88 drvc->instances = NULL;
92 conn = serialcomm = NULL;
93 for (l = options; l; l = l->next) {
94 if (!(src = l->data)) {
95 sr_err("Invalid option data, skipping.");
100 conn = g_variant_get_string(src->data, NULL);
102 case SR_CONF_SERIALCOMM:
103 serialcomm = g_variant_get_string(src->data, NULL);
106 sr_err("Unknown option %d, skipping.", src->key);
113 serialcomm = SERIALCOMM;
115 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj",
117 sr_err("Failed to create device instance.");
121 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
122 sr_err("Device context malloc failed.");
126 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
129 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
132 sdi->inst_type = SR_INST_SERIAL;
137 probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1");
139 sr_err("Failed to create probe.");
142 sdi->probes = g_slist_append(sdi->probes, probe);
143 drvc->instances = g_slist_append(drvc->instances, sdi);
144 devices = g_slist_append(devices, sdi);
149 static GSList *hw_dev_list(void)
151 return ((struct drv_context *)(di->priv))->instances;
154 static int hw_dev_open(struct sr_dev_inst *sdi)
156 struct sr_serial_dev_inst *serial;
159 if (serial_open(serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK)
162 sdi->status = SR_ST_ACTIVE;
167 static int hw_dev_close(struct sr_dev_inst *sdi)
169 struct sr_serial_dev_inst *serial;
172 if (serial && serial->fd != -1) {
173 serial_close(serial);
174 sdi->status = SR_ST_INACTIVE;
180 static int hw_cleanup(void)
187 static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi)
189 struct dev_context *devc;
191 if (sdi->status != SR_ST_ACTIVE)
192 return SR_ERR_DEV_CLOSED;
197 case SR_CONF_LIMIT_SAMPLES:
198 devc->limit_samples = g_variant_get_uint64(data);
199 sr_dbg("Setting sample limit to %" PRIu64 ".",
200 devc->limit_samples);
209 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi)
215 case SR_CONF_SCAN_OPTIONS:
216 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
217 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
219 case SR_CONF_DEVICE_OPTIONS:
220 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
221 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
230 static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi,
233 struct dev_context *devc;
234 struct sr_serial_dev_inst *serial;
236 if (sdi->status != SR_ST_ACTIVE)
237 return SR_ERR_DEV_CLOSED;
240 devc->cb_data = cb_data;
242 /* Send header packet to the session bus. */
243 std_session_send_df_header(cb_data, LOG_PREFIX);
245 /* Poll every 500ms, or whenever some data comes in. */
247 sr_source_add(serial->fd, G_IO_IN, 500,
248 tondaj_sl_814_receive_data, (void *)sdi);
253 static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
255 return std_hw_dev_acquisition_stop_serial(sdi, cb_data, hw_dev_close,
256 sdi->conn, LOG_PREFIX);
259 SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = {
260 .name = "tondaj-sl-814",
261 .longname = "Tondaj SL-814",
264 .cleanup = hw_cleanup,
266 .dev_list = hw_dev_list,
267 .dev_clear = clear_instances,
269 .config_set = config_set,
270 .config_list = config_list,
271 .dev_open = hw_dev_open,
272 .dev_close = hw_dev_close,
273 .dev_acquisition_start = hw_dev_acquisition_start,
274 .dev_acquisition_stop = hw_dev_acquisition_stop,