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 uint32_t scanopts[] = {
28 static const uint32_t drvopts[] = {
32 static const uint32_t devopts[] = {
33 SR_CONF_CONTINUOUS | SR_CONF_SET,
34 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
35 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
36 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
39 static const char *data_sources[] = {
44 SR_PRIV struct sr_dev_driver appa_55ii_driver_info;
45 static struct sr_dev_driver *di = &appa_55ii_driver_info;
47 static int init(struct sr_context *sr_ctx)
49 return std_init(sr_ctx, di, LOG_PREFIX);
52 static GSList *scan(GSList *options)
54 struct drv_context *drvc;
55 struct dev_context *devc;
56 struct sr_serial_dev_inst *serial;
57 struct sr_dev_inst *sdi;
58 struct sr_config *src;
60 const char *conn, *serialcomm;
66 conn = serialcomm = NULL;
67 for (l = options; l; l = l->next) {
71 conn = g_variant_get_string(src->data, NULL);
73 case SR_CONF_SERIALCOMM:
74 serialcomm = g_variant_get_string(src->data, NULL);
81 serialcomm = "9600/8n1";
83 serial = sr_serial_dev_inst_new(conn, serialcomm);
85 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
88 sr_info("Probing serial port %s.", conn);
91 drvc->instances = NULL;
94 /* Let's get a bit of data and see if we can find a packet. */
95 if (serial_stream_detect(serial, buf, &len, 25,
96 appa_55ii_packet_valid, 500, 9600) != SR_OK)
99 sr_info("Found device on port %s.", conn);
101 sdi = g_malloc0(sizeof(struct sr_dev_inst));
102 sdi->status = SR_ST_INACTIVE;
103 sdi->vendor = g_strdup("APPA");
104 sdi->model = g_strdup("55II");
105 devc = g_malloc0(sizeof(struct dev_context));
106 devc->data_source = DEFAULT_DATA_SOURCE;
107 sdi->inst_type = SR_INST_SERIAL;
112 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T1");
113 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "T2");
115 drvc->instances = g_slist_append(drvc->instances, sdi);
116 devices = g_slist_append(devices, sdi);
119 serial_close(serial);
124 static GSList *dev_list(void)
126 return ((struct drv_context *)(di->priv))->instances;
129 static int cleanup(void)
131 return std_dev_clear(di, NULL);
134 static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
135 const struct sr_channel_group *cg)
137 struct dev_context *devc = sdi->priv;
142 case SR_CONF_LIMIT_SAMPLES:
143 *data = g_variant_new_uint64(devc->limit_samples);
145 case SR_CONF_LIMIT_MSEC:
146 *data = g_variant_new_uint64(devc->limit_msec);
148 case SR_CONF_DATA_SOURCE:
149 *data = g_variant_new_string(data_sources[devc->data_source]);
158 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
159 const struct sr_channel_group *cg)
161 struct dev_context *devc;
167 if (sdi->status != SR_ST_ACTIVE)
168 return SR_ERR_DEV_CLOSED;
170 if (!(devc = sdi->priv)) {
171 sr_err("sdi->priv was NULL.");
176 case SR_CONF_LIMIT_SAMPLES:
177 devc->limit_samples = g_variant_get_uint64(data);
178 sr_dbg("Setting sample limit to %" PRIu64 ".", devc->limit_samples);
180 case SR_CONF_LIMIT_MSEC:
181 devc->limit_msec = g_variant_get_uint64(data);
182 sr_dbg("Setting time limit to %" PRIu64 "ms.", devc->limit_msec);
184 case SR_CONF_DATA_SOURCE: {
185 tmp_str = g_variant_get_string(data, NULL);
186 for (i = 0; i < ARRAY_SIZE(data_sources); i++)
187 if (!strcmp(tmp_str, data_sources[i])) {
188 devc->data_source = i;
191 if (i == ARRAY_SIZE(data_sources))
202 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
203 const struct sr_channel_group *cg)
209 case SR_CONF_SCAN_OPTIONS:
210 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
211 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
213 case SR_CONF_DEVICE_OPTIONS:
215 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
216 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
218 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
219 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
221 case SR_CONF_DATA_SOURCE:
222 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
231 static int dev_acquisition_start(const struct sr_dev_inst *sdi,
234 struct sr_serial_dev_inst *serial;
235 struct dev_context *devc;
238 if (sdi->status != SR_ST_ACTIVE)
239 return SR_ERR_DEV_CLOSED;
241 if (!(devc = sdi->priv)) {
242 sr_err("sdi->priv was NULL.");
246 devc->session_cb_data = cb_data;
249 * Reset the number of samples to take. If we've already collected our
250 * quota, but we start a new session, and don't reset this, we'll just
251 * quit without acquiring any new samples.
253 devc->num_samples = 0;
254 devc->start_time = g_get_monotonic_time();
256 /* Send header packet to the session bus. */
257 std_session_send_df_header(cb_data, LOG_PREFIX);
259 /* Poll every 50ms, or whenever some data comes in. */
260 serial_source_add(sdi->session, serial, G_IO_IN, 50,
261 appa_55ii_receive_data, (void *)sdi);
266 static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
268 return std_serial_dev_acquisition_stop(sdi, cb_data,
269 std_serial_dev_close, sdi->conn, LOG_PREFIX);
272 SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
274 .longname = "APPA 55II",
279 .dev_list = dev_list,
281 .config_get = config_get,
282 .config_set = config_set,
283 .config_list = config_list,
284 .dev_open = std_serial_dev_open,
285 .dev_close = std_serial_dev_close,
286 .dev_acquisition_start = dev_acquisition_start,
287 .dev_acquisition_stop = dev_acquisition_stop,