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/>.
24 static const uint32_t scanopts[] = {
29 static const uint32_t drvopts[] = {
33 static const uint32_t devopts[] = {
35 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
36 SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET,
37 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
40 static const char *data_sources[] = {
45 SR_PRIV struct sr_dev_driver appa_55ii_driver_info;
47 static int init(struct sr_dev_driver *di, struct sr_context *sr_ctx)
49 return std_init(sr_ctx, di, LOG_PREFIX);
52 static GSList *scan(struct sr_dev_driver *di, 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 int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
125 const struct sr_channel_group *cg)
127 struct dev_context *devc = sdi->priv;
132 case SR_CONF_LIMIT_SAMPLES:
133 *data = g_variant_new_uint64(devc->limit_samples);
135 case SR_CONF_LIMIT_MSEC:
136 *data = g_variant_new_uint64(devc->limit_msec);
138 case SR_CONF_DATA_SOURCE:
139 *data = g_variant_new_string(data_sources[devc->data_source]);
148 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
149 const struct sr_channel_group *cg)
151 struct dev_context *devc;
157 if (sdi->status != SR_ST_ACTIVE)
158 return SR_ERR_DEV_CLOSED;
160 if (!(devc = sdi->priv)) {
161 sr_err("sdi->priv was NULL.");
166 case SR_CONF_LIMIT_SAMPLES:
167 devc->limit_samples = g_variant_get_uint64(data);
169 case SR_CONF_LIMIT_MSEC:
170 devc->limit_msec = g_variant_get_uint64(data);
172 case SR_CONF_DATA_SOURCE: {
173 tmp_str = g_variant_get_string(data, NULL);
174 for (i = 0; i < ARRAY_SIZE(data_sources); i++)
175 if (!strcmp(tmp_str, data_sources[i])) {
176 devc->data_source = i;
179 if (i == ARRAY_SIZE(data_sources))
190 static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi,
191 const struct sr_channel_group *cg)
196 case SR_CONF_SCAN_OPTIONS:
197 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
198 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
200 case SR_CONF_DEVICE_OPTIONS:
202 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
203 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
205 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
206 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
208 case SR_CONF_DATA_SOURCE:
209 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
218 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
220 struct sr_serial_dev_inst *serial;
221 struct dev_context *devc;
224 if (sdi->status != SR_ST_ACTIVE)
225 return SR_ERR_DEV_CLOSED;
230 * Reset the number of samples to take. If we've already collected our
231 * quota, but we start a new session, and don't reset this, we'll just
232 * quit without acquiring any new samples.
234 devc->num_samples = 0;
235 devc->start_time = g_get_monotonic_time();
237 std_session_send_df_header(sdi, LOG_PREFIX);
239 /* Poll every 50ms, or whenever some data comes in. */
240 serial_source_add(sdi->session, serial, G_IO_IN, 50,
241 appa_55ii_receive_data, (void *)sdi);
246 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
248 return std_serial_dev_acquisition_stop(sdi,
249 std_serial_dev_close, sdi->conn, LOG_PREFIX);
252 SR_PRIV struct sr_dev_driver appa_55ii_driver_info = {
254 .longname = "APPA 55II",
257 .cleanup = std_cleanup,
259 .dev_list = std_dev_list,
261 .config_get = config_get,
262 .config_set = config_set,
263 .config_list = config_list,
264 .dev_open = std_serial_dev_open,
265 .dev_close = std_serial_dev_close,
266 .dev_acquisition_start = dev_acquisition_start,
267 .dev_acquisition_stop = dev_acquisition_stop,