2 * This file is part of the libsigrok project.
4 * Copyright (C) 2016 George Hopkins <george-hopkins@null.net>
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 #define SERIALCOMM "115200/8n1"
26 static const uint32_t scanopts[] = {
30 static const uint32_t drvopts[] = {
31 SR_CONF_SOUNDLEVELMETER,
34 static const uint32_t devopts[] = {
35 SR_CONF_CONTINUOUS | SR_CONF_SET,
36 SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET,
37 SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
38 SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
39 SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST,
40 SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET,
43 static const char *weight_freq[] = {
48 static const char *weight_time[] = {
53 static const uint64_t meas_ranges[][2] = {
60 static GSList *scan(struct sr_dev_driver *di, GSList *options)
62 struct drv_context *drvc;
63 struct dev_context *devc;
64 struct sr_config *src;
65 struct sr_serial_dev_inst *serial;
66 struct sr_dev_inst *sdi;
71 for (l = options; l; l = l->next) {
73 if (src->key == SR_CONF_CONN)
74 conn = g_variant_get_string(src->data, NULL);
79 serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
81 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
87 sdi = g_malloc0(sizeof(struct sr_dev_inst));
88 sdi->status = SR_ST_INACTIVE;
89 sdi->vendor = g_strdup("PCE");
90 sdi->model = g_strdup("PCE-322A");
91 devc = g_malloc0(sizeof(struct dev_context));
92 devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
93 sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
94 sdi->inst_type = SR_INST_SERIAL;
97 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
98 drvc->instances = g_slist_append(drvc->instances, sdi);
99 devices = g_slist_append(devices, sdi);
101 serial_close(serial);
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);
166 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
167 const struct sr_channel_group *cg)
169 struct dev_context *devc;
170 uint64_t tmp_u64, low, high;
177 if (sdi->status != SR_ST_ACTIVE)
178 return SR_ERR_DEV_CLOSED;
184 case SR_CONF_LIMIT_SAMPLES:
185 tmp_u64 = g_variant_get_uint64(data);
186 devc->limit_samples = tmp_u64;
189 case SR_CONF_SPL_WEIGHT_FREQ:
190 tmp_str = g_variant_get_string(data, NULL);
191 if (!strcmp(tmp_str, "A"))
192 ret = pce_322a_weight_freq_set(sdi,
193 SR_MQFLAG_SPL_FREQ_WEIGHT_A);
194 else if (!strcmp(tmp_str, "C"))
195 ret = pce_322a_weight_freq_set(sdi,
196 SR_MQFLAG_SPL_FREQ_WEIGHT_C);
200 case SR_CONF_SPL_WEIGHT_TIME:
201 tmp_str = g_variant_get_string(data, NULL);
202 if (!strcmp(tmp_str, "F"))
203 ret = pce_322a_weight_time_set(sdi,
204 SR_MQFLAG_SPL_TIME_WEIGHT_F);
205 else if (!strcmp(tmp_str, "S"))
206 ret = pce_322a_weight_time_set(sdi,
207 SR_MQFLAG_SPL_TIME_WEIGHT_S);
211 case SR_CONF_SPL_MEASUREMENT_RANGE:
212 g_variant_get(data, "(tt)", &low, &high);
214 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
215 if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
216 ret = pce_322a_meas_range_set(sdi, low, high);
221 case SR_CONF_POWER_OFF:
222 if (g_variant_get_boolean(data))
223 ret = pce_322a_power_off(sdi);
232 static int config_list(uint32_t key, GVariant **data,
233 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
235 GVariant *tuple, *range[2];
245 case SR_CONF_SCAN_OPTIONS:
246 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
247 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
249 case SR_CONF_DEVICE_OPTIONS:
250 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
251 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
258 case SR_CONF_DEVICE_OPTIONS:
259 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
260 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
262 case SR_CONF_SPL_WEIGHT_FREQ:
263 *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
265 case SR_CONF_SPL_WEIGHT_TIME:
266 *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
268 case SR_CONF_SPL_MEASUREMENT_RANGE:
269 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
270 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
271 range[0] = g_variant_new_uint64(meas_ranges[i][0]);
272 range[1] = g_variant_new_uint64(meas_ranges[i][1]);
273 tuple = g_variant_new_tuple(range, 2);
274 g_variant_builder_add_value(&gvb, tuple);
276 *data = g_variant_builder_end(&gvb);
286 static int dev_open(struct sr_dev_inst *sdi)
290 ret = std_serial_dev_open(sdi);
294 return pce_322a_connect(sdi);
297 static int dev_close(struct sr_dev_inst *sdi)
300 * Ensure device gets properly disconnected even when there was
303 pce_322a_disconnect(sdi);
305 return std_serial_dev_close(sdi);
308 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
310 struct dev_context *devc;
311 struct sr_serial_dev_inst *serial;
313 if (sdi->status != SR_ST_ACTIVE)
314 return SR_ERR_DEV_CLOSED;
317 devc->buffer_len = 0;
319 std_session_send_df_header(sdi, LOG_PREFIX);
321 /* Poll every 150ms, or whenever some data comes in. */
323 serial_source_add(sdi->session, serial, G_IO_IN, 150,
324 pce_322a_receive_data, (void *)sdi);
329 static int dev_acquisition_stop(struct sr_dev_inst *sdi)
331 pce_322a_disconnect(sdi);
333 return std_serial_dev_acquisition_stop(sdi, std_serial_dev_close,
334 sdi->conn, LOG_PREFIX);
337 static struct sr_dev_driver pce_322a_driver_info = {
339 .longname = "PCE PCE-322A",
342 .cleanup = std_cleanup,
344 .dev_list = std_dev_list,
345 .dev_clear = dev_clear,
346 .config_get = config_get,
347 .config_set = config_set,
348 .config_list = config_list,
349 .dev_open = dev_open,
350 .dev_close = dev_close,
351 .dev_acquisition_start = dev_acquisition_start,
352 .dev_acquisition_stop = dev_acquisition_stop,
355 SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);