2 * This file is part of the libsigrok project.
4 * Copyright (C) 2013 Aurelien Jacobs <aurel@gnuage.org>
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 int32_t hwopts[] = {
28 static const int32_t hwcaps[] = {
30 SR_CONF_LIMIT_SAMPLES,
36 static const char *data_sources[] = {
41 SR_PRIV struct sr_dev_driver appa_55ii_driver_info;
42 static struct sr_dev_driver *di = &appa_55ii_driver_info;
44 static int init(struct sr_context *sr_ctx)
46 return std_init(sr_ctx, di, LOG_PREFIX);
49 static GSList *scan(GSList *options)
51 struct drv_context *drvc;
52 struct dev_context *devc;
53 struct sr_serial_dev_inst *serial;
54 struct sr_dev_inst *sdi;
55 struct sr_probe *probe;
56 struct sr_config *src;
58 const char *conn, *serialcomm;
64 conn = serialcomm = NULL;
65 for (l = options; l; l = l->next) {
69 conn = g_variant_get_string(src->data, NULL);
71 case SR_CONF_SERIALCOMM:
72 serialcomm = g_variant_get_string(src->data, NULL);
79 serialcomm = "9600/8n1";
81 if (!(serial = sr_serial_dev_inst_new(conn, serialcomm)))
83 if (serial_open(serial, SERIAL_RDONLY | SERIAL_NONBLOCK) != SR_OK)
86 sr_info("Probing serial port %s.", conn);
89 drvc->instances = NULL;
92 /* Let's get a bit of data and see if we can find a packet. */
93 if (serial_stream_detect(serial, buf, &len, 25,
94 appa_55ii_packet_valid, 500, 9600) != SR_OK)
97 sr_info("Found device on port %s.", conn);
99 if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "APPA", "55II", "")))
102 if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) {
103 sr_err("Device context malloc failed.");
107 devc->data_source = DEFAULT_DATA_SOURCE;
109 sdi->inst_type = SR_INST_SERIAL;
114 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T1")))
116 sdi->probes = g_slist_append(sdi->probes, probe);
117 if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "T2")))
119 sdi->probes = g_slist_append(sdi->probes, probe);
121 drvc->instances = g_slist_append(drvc->instances, sdi);
122 devices = g_slist_append(devices, sdi);
125 serial_close(serial);
130 static GSList *dev_list(void)
132 return ((struct drv_context *)(di->priv))->instances;
135 static int dev_clear(void)
137 return std_dev_clear(di, NULL);
140 static int cleanup(void)
145 static int config_get(int key, GVariant **data, const struct sr_dev_inst *sdi,
146 const struct sr_probe_group *probe_group)
148 struct dev_context *devc = sdi->priv;
153 case SR_CONF_LIMIT_SAMPLES:
154 *data = g_variant_new_uint64(devc->limit_samples);
156 case SR_CONF_LIMIT_MSEC:
157 *data = g_variant_new_uint64(devc->limit_msec);
159 case SR_CONF_DATA_SOURCE:
160 *data = g_variant_new_string(data_sources[devc->data_source]);
169 static int config_set(int key, GVariant *data, const struct sr_dev_inst *sdi,
170 const struct sr_probe_group *probe_group)
172 struct dev_context *devc;
178 if (sdi->status != SR_ST_ACTIVE)
179 return SR_ERR_DEV_CLOSED;
181 if (!(devc = sdi->priv)) {
182 sr_err("sdi->priv was NULL.");
187 case SR_CONF_LIMIT_SAMPLES:
188 devc->limit_samples = g_variant_get_uint64(data);
189 sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples);
191 case SR_CONF_LIMIT_MSEC:
192 devc->limit_msec = g_variant_get_uint64(data);
193 sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
195 case SR_CONF_DATA_SOURCE: {
196 tmp_str = g_variant_get_string(data, NULL);
197 for (i = 0; i < ARRAY_SIZE(data_sources); i++)
198 if (!strcmp(tmp_str, data_sources[i])) {
199 devc->data_source = i;
202 if (i == ARRAY_SIZE(data_sources))
213 static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi,
214 const struct sr_probe_group *probe_group)
220 case SR_CONF_SCAN_OPTIONS:
221 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
222 hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t));
224 case SR_CONF_DEVICE_OPTIONS:
225 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32,
226 hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t));
228 case SR_CONF_DATA_SOURCE:
229 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
238 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
241 struct sr_serial_dev_inst *serial;
242 struct dev_context *devc;
245 if (sdi->status != SR_ST_ACTIVE)
246 return SR_ERR_DEV_CLOSED;
248 if (!(devc = sdi->priv)) {
249 sr_err("sdi->priv was NULL.");
253 devc->session_cb_data = cb_data;
256 * Reset the number of samples to take. If we've already collected our
257 * quota, but we start a new session, and don't reset this, we'll just
258 * quit without acquiring any new samples.
260 devc->num_samples = 0;
261 devc->start_time = g_get_monotonic_time();
263 /* Send header packet to the session bus. */
264 std_session_send_df_header(cb_data, LOG_PREFIX);
266 /* Poll every 50ms, or whenever some data comes in. */
267 serial_source_add(serial, G_IO_IN, 50, appa_55ii_receive_data, (void *)sdi);
272 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
274 return std_serial_dev_acquisition_stop(sdi, cb_data,
275 std_serial_dev_close, sdi->conn, LOG_PREFIX);
278 SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
280 .longname = "APPA 55II",
285 .dev_list = dev_list,
286 .dev_clear = dev_clear,
287 .config_get = config_get,
288 .config_set = config_set,
289 .config_list = config_list,
290 .dev_open = std_serial_dev_open,
291 .dev_close = std_serial_dev_close,
292 .dev_acquisition_start = dev_acquisition_start,
293 .dev_acquisition_stop = dev_acquisition_stop,