2 * This file is part of the libsigrok project.
4 * Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
5 * Copyright (C) 2016 Matthieu Guillaumin <matthieu@guillaum.in>
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #define SERIALCOMM "115200/8n1"
27 static const uint32_t scanopts[] = {
31 static const uint32_t drvopts[] = {
32 SR_CONF_SOUNDLEVELMETER,
35 static const uint32_t devopts[] = {
36 SR_CONF_CONTINUOUS | SR_CONF_SET,
37 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
38 SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
39 SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
40 SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
41 SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
42 SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
45 static const char *weight_freq[] = {
50 static const char *weight_time[] = {
55 static const uint64_t meas_ranges[][2] = {
62 static const char *data_sources[] = {
67 static GSList *scan(struct sr_dev_driver *di, GSList *options)
69 struct dev_context *devc;
70 struct sr_config *src;
71 struct sr_serial_dev_inst *serial;
72 struct sr_dev_inst *sdi;
77 for (l = options; l; l = l->next) {
79 if (src->key == SR_CONF_CONN)
80 conn = g_variant_get_string(src->data, NULL);
85 serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
87 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
90 sdi = g_malloc0(sizeof(struct sr_dev_inst));
91 sdi->status = SR_ST_INACTIVE;
92 sdi->vendor = g_strdup("PCE");
93 sdi->model = g_strdup("PCE-322A");
94 devc = g_malloc0(sizeof(struct dev_context));
95 devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
96 sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
97 sdi->inst_type = SR_INST_SERIAL;
99 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
101 serial_close(serial);
103 return std_scan_complete(di, g_slist_append(NULL, sdi));
106 static int dev_clear(const struct sr_dev_driver *di)
108 return std_dev_clear(di, NULL);
111 static int config_get(uint32_t key, GVariant **data,
112 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
114 struct dev_context *devc;
128 case SR_CONF_LIMIT_SAMPLES:
129 *data = g_variant_new_uint64(devc->limit_samples);
131 case SR_CONF_SPL_WEIGHT_FREQ:
132 tmp = pce_322a_weight_freq_get(sdi);
133 if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
134 *data = g_variant_new_string("A");
135 else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
136 *data = g_variant_new_string("C");
140 case SR_CONF_SPL_WEIGHT_TIME:
141 tmp = pce_322a_weight_time_get(sdi);
142 if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
143 *data = g_variant_new_string("F");
144 else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
145 *data = g_variant_new_string("S");
149 case SR_CONF_SPL_MEASUREMENT_RANGE:
150 if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
151 range[0] = g_variant_new_uint64(low);
152 range[1] = g_variant_new_uint64(high);
153 *data = g_variant_new_tuple(range, 2);
156 case SR_CONF_POWER_OFF:
157 *data = g_variant_new_boolean(FALSE);
159 case SR_CONF_DATA_SOURCE:
160 if (devc->cur_data_source == DATA_SOURCE_LIVE)
161 *data = g_variant_new_string("Live");
163 *data = g_variant_new_string("Memory");
172 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
173 const struct sr_channel_group *cg)
175 struct dev_context *devc;
176 uint64_t tmp_u64, low, high;
183 if (sdi->status != SR_ST_ACTIVE)
184 return SR_ERR_DEV_CLOSED;
190 case SR_CONF_LIMIT_SAMPLES:
191 tmp_u64 = g_variant_get_uint64(data);
192 devc->limit_samples = tmp_u64;
195 case SR_CONF_SPL_WEIGHT_FREQ:
196 tmp_str = g_variant_get_string(data, NULL);
197 if (!strcmp(tmp_str, "A"))
198 ret = pce_322a_weight_freq_set(sdi,
199 SR_MQFLAG_SPL_FREQ_WEIGHT_A);
200 else if (!strcmp(tmp_str, "C"))
201 ret = pce_322a_weight_freq_set(sdi,
202 SR_MQFLAG_SPL_FREQ_WEIGHT_C);
206 case SR_CONF_SPL_WEIGHT_TIME:
207 tmp_str = g_variant_get_string(data, NULL);
208 if (!strcmp(tmp_str, "F"))
209 ret = pce_322a_weight_time_set(sdi,
210 SR_MQFLAG_SPL_TIME_WEIGHT_F);
211 else if (!strcmp(tmp_str, "S"))
212 ret = pce_322a_weight_time_set(sdi,
213 SR_MQFLAG_SPL_TIME_WEIGHT_S);
217 case SR_CONF_SPL_MEASUREMENT_RANGE:
218 g_variant_get(data, "(tt)", &low, &high);
220 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
221 if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
222 ret = pce_322a_meas_range_set(sdi, low, high);
227 case SR_CONF_POWER_OFF:
228 if (g_variant_get_boolean(data))
229 ret = pce_322a_power_off(sdi);
231 case SR_CONF_DATA_SOURCE:
232 tmp_str = g_variant_get_string(data, NULL);
233 if (!strcmp(tmp_str, "Live"))
234 devc->cur_data_source = DATA_SOURCE_LIVE;
235 else if (!strcmp(tmp_str, "Memory"))
236 devc->cur_data_source = DATA_SOURCE_MEMORY;
247 static int config_list(uint32_t key, GVariant **data,
248 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
250 GVariant *tuple, *range[2];
260 case SR_CONF_SCAN_OPTIONS:
261 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
262 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
264 case SR_CONF_DEVICE_OPTIONS:
265 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
266 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
273 case SR_CONF_DEVICE_OPTIONS:
274 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
275 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
277 case SR_CONF_SPL_WEIGHT_FREQ:
278 *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
280 case SR_CONF_SPL_WEIGHT_TIME:
281 *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
283 case SR_CONF_SPL_MEASUREMENT_RANGE:
284 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
285 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
286 range[0] = g_variant_new_uint64(meas_ranges[i][0]);
287 range[1] = g_variant_new_uint64(meas_ranges[i][1]);
288 tuple = g_variant_new_tuple(range, 2);
289 g_variant_builder_add_value(&gvb, tuple);
291 *data = g_variant_builder_end(&gvb);
293 case SR_CONF_DATA_SOURCE:
294 *data = g_variant_new_strv(data_sources, ARRAY_SIZE(data_sources));
304 static int dev_open(struct sr_dev_inst *sdi)
308 ret = std_serial_dev_open(sdi);
312 return pce_322a_connect(sdi);
315 static int dev_close(struct sr_dev_inst *sdi)
318 * Ensure device gets properly disconnected even when there was
321 pce_322a_disconnect(sdi);
323 return std_serial_dev_close(sdi);
326 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
328 struct dev_context *devc;
329 struct sr_serial_dev_inst *serial;
331 if (sdi->status != SR_ST_ACTIVE)
332 return SR_ERR_DEV_CLOSED;
335 devc->buffer_len = 0;
336 devc->memory_state = MEM_STATE_REQUEST_MEMORY_USAGE;
338 std_session_send_df_header(sdi);
340 /* Poll every 150ms, or whenever some data comes in. */
342 serial_source_add(sdi->session, serial, G_IO_IN, 150,
343 pce_322a_receive_data, (void *)sdi);
348 static struct sr_dev_driver pce_322a_driver_info = {
350 .longname = "PCE PCE-322A",
353 .cleanup = std_cleanup,
355 .dev_list = std_dev_list,
356 .dev_clear = dev_clear,
357 .config_get = config_get,
358 .config_set = config_set,
359 .config_list = config_list,
360 .dev_open = dev_open,
361 .dev_close = dev_close,
362 .dev_acquisition_start = dev_acquisition_start,
363 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
366 SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);