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 dev_context *devc;
63 struct sr_config *src;
64 struct sr_serial_dev_inst *serial;
65 struct sr_dev_inst *sdi;
70 for (l = options; l; l = l->next) {
72 if (src->key == SR_CONF_CONN)
73 conn = g_variant_get_string(src->data, NULL);
78 serial = sr_serial_dev_inst_new(conn, SERIALCOMM);
80 if (serial_open(serial, SERIAL_RDONLY) != SR_OK)
83 sdi = g_malloc0(sizeof(struct sr_dev_inst));
84 sdi->status = SR_ST_INACTIVE;
85 sdi->vendor = g_strdup("PCE");
86 sdi->model = g_strdup("PCE-322A");
87 devc = g_malloc0(sizeof(struct dev_context));
88 devc->cur_mqflags = SR_MQFLAG_SPL_TIME_WEIGHT_F | SR_MQFLAG_SPL_FREQ_WEIGHT_A;
89 sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM);
90 sdi->inst_type = SR_INST_SERIAL;
92 sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL");
96 return std_scan_complete(di, g_slist_append(NULL, sdi));
99 static int dev_clear(const struct sr_dev_driver *di)
101 return std_dev_clear(di, NULL);
104 static int config_get(uint32_t key, GVariant **data,
105 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
107 struct dev_context *devc;
121 case SR_CONF_LIMIT_SAMPLES:
122 *data = g_variant_new_uint64(devc->limit_samples);
124 case SR_CONF_SPL_WEIGHT_FREQ:
125 tmp = pce_322a_weight_freq_get(sdi);
126 if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A)
127 *data = g_variant_new_string("A");
128 else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C)
129 *data = g_variant_new_string("C");
133 case SR_CONF_SPL_WEIGHT_TIME:
134 tmp = pce_322a_weight_time_get(sdi);
135 if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F)
136 *data = g_variant_new_string("F");
137 else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S)
138 *data = g_variant_new_string("S");
142 case SR_CONF_SPL_MEASUREMENT_RANGE:
143 if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) {
144 range[0] = g_variant_new_uint64(low);
145 range[1] = g_variant_new_uint64(high);
146 *data = g_variant_new_tuple(range, 2);
149 case SR_CONF_POWER_OFF:
150 *data = g_variant_new_boolean(FALSE);
159 static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi,
160 const struct sr_channel_group *cg)
162 struct dev_context *devc;
163 uint64_t tmp_u64, low, high;
170 if (sdi->status != SR_ST_ACTIVE)
171 return SR_ERR_DEV_CLOSED;
177 case SR_CONF_LIMIT_SAMPLES:
178 tmp_u64 = g_variant_get_uint64(data);
179 devc->limit_samples = tmp_u64;
182 case SR_CONF_SPL_WEIGHT_FREQ:
183 tmp_str = g_variant_get_string(data, NULL);
184 if (!strcmp(tmp_str, "A"))
185 ret = pce_322a_weight_freq_set(sdi,
186 SR_MQFLAG_SPL_FREQ_WEIGHT_A);
187 else if (!strcmp(tmp_str, "C"))
188 ret = pce_322a_weight_freq_set(sdi,
189 SR_MQFLAG_SPL_FREQ_WEIGHT_C);
193 case SR_CONF_SPL_WEIGHT_TIME:
194 tmp_str = g_variant_get_string(data, NULL);
195 if (!strcmp(tmp_str, "F"))
196 ret = pce_322a_weight_time_set(sdi,
197 SR_MQFLAG_SPL_TIME_WEIGHT_F);
198 else if (!strcmp(tmp_str, "S"))
199 ret = pce_322a_weight_time_set(sdi,
200 SR_MQFLAG_SPL_TIME_WEIGHT_S);
204 case SR_CONF_SPL_MEASUREMENT_RANGE:
205 g_variant_get(data, "(tt)", &low, &high);
207 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
208 if (meas_ranges[i][0] == low && meas_ranges[i][1] == high) {
209 ret = pce_322a_meas_range_set(sdi, low, high);
214 case SR_CONF_POWER_OFF:
215 if (g_variant_get_boolean(data))
216 ret = pce_322a_power_off(sdi);
225 static int config_list(uint32_t key, GVariant **data,
226 const struct sr_dev_inst *sdi, const struct sr_channel_group *cg)
228 GVariant *tuple, *range[2];
238 case SR_CONF_SCAN_OPTIONS:
239 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
240 scanopts, ARRAY_SIZE(scanopts), sizeof(uint32_t));
242 case SR_CONF_DEVICE_OPTIONS:
243 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
244 drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t));
251 case SR_CONF_DEVICE_OPTIONS:
252 *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32,
253 devopts, ARRAY_SIZE(devopts), sizeof(uint32_t));
255 case SR_CONF_SPL_WEIGHT_FREQ:
256 *data = g_variant_new_strv(weight_freq, ARRAY_SIZE(weight_freq));
258 case SR_CONF_SPL_WEIGHT_TIME:
259 *data = g_variant_new_strv(weight_time, ARRAY_SIZE(weight_time));
261 case SR_CONF_SPL_MEASUREMENT_RANGE:
262 g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY);
263 for (i = 0; i < ARRAY_SIZE(meas_ranges); i++) {
264 range[0] = g_variant_new_uint64(meas_ranges[i][0]);
265 range[1] = g_variant_new_uint64(meas_ranges[i][1]);
266 tuple = g_variant_new_tuple(range, 2);
267 g_variant_builder_add_value(&gvb, tuple);
269 *data = g_variant_builder_end(&gvb);
279 static int dev_open(struct sr_dev_inst *sdi)
283 ret = std_serial_dev_open(sdi);
287 return pce_322a_connect(sdi);
290 static int dev_close(struct sr_dev_inst *sdi)
293 * Ensure device gets properly disconnected even when there was
296 pce_322a_disconnect(sdi);
298 return std_serial_dev_close(sdi);
301 static int dev_acquisition_start(const struct sr_dev_inst *sdi)
303 struct dev_context *devc;
304 struct sr_serial_dev_inst *serial;
306 if (sdi->status != SR_ST_ACTIVE)
307 return SR_ERR_DEV_CLOSED;
310 devc->buffer_len = 0;
312 std_session_send_df_header(sdi);
314 /* Poll every 150ms, or whenever some data comes in. */
316 serial_source_add(sdi->session, serial, G_IO_IN, 150,
317 pce_322a_receive_data, (void *)sdi);
322 static struct sr_dev_driver pce_322a_driver_info = {
324 .longname = "PCE PCE-322A",
327 .cleanup = std_cleanup,
329 .dev_list = std_dev_list,
330 .dev_clear = dev_clear,
331 .config_get = config_get,
332 .config_set = config_set,
333 .config_list = config_list,
334 .dev_open = dev_open,
335 .dev_close = dev_close,
336 .dev_acquisition_start = dev_acquisition_start,
337 .dev_acquisition_stop = std_serial_dev_acquisition_stop,
340 SR_REGISTER_DEV_DRIVER(pce_322a_driver_info);