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8fa9368e BV |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2013 Bert Vermeulen <bert@biot.com> | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
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/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
be733919 | 21 | #include <string.h> |
8fa9368e BV |
22 | #include "protocol.h" |
23 | ||
7fb8279c | 24 | #define SERIALCOMM "9600/8n1" |
1beccaed | 25 | |
7fb8279c | 26 | /* 23ms is the longest interval between tokens. */ |
1a46cc62 | 27 | #define MAX_SCAN_TIME_US (25 * 1000) |
7fb8279c | 28 | |
a0e0bb41 | 29 | static const uint32_t scanopts[] = { |
7fb8279c BV |
30 | SR_CONF_CONN, |
31 | }; | |
32 | ||
023c73ae | 33 | static const uint32_t drvopts[] = { |
7fb8279c | 34 | SR_CONF_SOUNDLEVELMETER, |
d7125bfa BV |
35 | }; |
36 | ||
023c73ae | 37 | static const uint32_t devopts[] = { |
e91bb0a6 | 38 | SR_CONF_CONTINUOUS, |
023c73ae | 39 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, |
5827f61b BV |
40 | SR_CONF_SPL_WEIGHT_FREQ | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, |
41 | SR_CONF_SPL_WEIGHT_TIME | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
42 | SR_CONF_SPL_MEASUREMENT_RANGE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
43 | SR_CONF_DATALOG | SR_CONF_GET | SR_CONF_SET, | |
44 | SR_CONF_HOLD_MAX | SR_CONF_GET | SR_CONF_SET, | |
45 | SR_CONF_HOLD_MIN | SR_CONF_GET | SR_CONF_SET, | |
46 | SR_CONF_POWER_OFF | SR_CONF_GET | SR_CONF_SET, | |
47 | SR_CONF_DATA_SOURCE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
7fb8279c BV |
48 | }; |
49 | ||
be733919 BV |
50 | static const char *weight_freq[] = { |
51 | "A", | |
52 | "C", | |
53 | }; | |
7fb8279c | 54 | |
1487ce4f BV |
55 | static const char *weight_time[] = { |
56 | "F", | |
57 | "S", | |
58 | }; | |
59 | ||
f157b2ee BV |
60 | static const uint64_t meas_ranges[][2] = { |
61 | { 30, 130 }, | |
62 | { 30, 80 }, | |
63 | { 50, 100 }, | |
64 | { 80, 130 }, | |
65 | }; | |
66 | ||
662172d4 BV |
67 | static const char *data_sources[] = { |
68 | "Live", | |
69 | "Memory", | |
70 | }; | |
8fa9368e | 71 | |
4f840ce9 | 72 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
8fa9368e | 73 | { |
7fb8279c BV |
74 | struct dev_context *devc; |
75 | struct sr_config *src; | |
76 | struct sr_serial_dev_inst *serial; | |
77 | struct sr_dev_inst *sdi; | |
7fb8279c BV |
78 | GSList *l, *devices; |
79 | gint64 start; | |
80 | const char *conn; | |
81 | unsigned char c; | |
82 | ||
83 | conn = NULL; | |
84 | for (l = options; l; l = l->next) { | |
85 | src = l->data; | |
86 | if (src->key == SR_CONF_CONN) | |
87 | conn = g_variant_get_string(src->data, NULL); | |
88 | } | |
89 | if (!conn) | |
90 | return NULL; | |
91 | ||
91219afc | 92 | serial = sr_serial_dev_inst_new(conn, SERIALCOMM); |
8fa9368e | 93 | |
d7b269da | 94 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) |
7fb8279c | 95 | return NULL; |
8fa9368e BV |
96 | |
97 | devices = NULL; | |
7fb8279c | 98 | start = g_get_monotonic_time(); |
1a46cc62 | 99 | while (g_get_monotonic_time() - start < MAX_SCAN_TIME_US) { |
d7b269da | 100 | if (serial_read_nonblocking(serial, &c, 1) == 1 && c == 0xa5) { |
7fb8279c | 101 | /* Found one. */ |
aac29cc1 | 102 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
103 | sdi->status = SR_ST_INACTIVE; |
104 | sdi->vendor = g_strdup("CEM"); | |
105 | sdi->model = g_strdup("DT-885x"); | |
f57d8ffe | 106 | devc = g_malloc0(sizeof(struct dev_context)); |
e1af0e85 BV |
107 | devc->cur_mqflags = 0; |
108 | devc->recording = -1; | |
f157b2ee | 109 | devc->cur_meas_range = 0; |
662172d4 | 110 | devc->cur_data_source = DATA_SOURCE_LIVE; |
cea26f6e | 111 | devc->enable_data_source_memory = FALSE; |
91219afc | 112 | sdi->conn = sr_serial_dev_inst_new(conn, SERIALCOMM); |
7fb8279c BV |
113 | sdi->inst_type = SR_INST_SERIAL; |
114 | sdi->priv = devc; | |
5e23fcab | 115 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL"); |
7fb8279c BV |
116 | devices = g_slist_append(devices, sdi); |
117 | break; | |
118 | } | |
119 | /* It takes about 1ms for a byte to come in. */ | |
120 | g_usleep(1000); | |
121 | } | |
8fa9368e | 122 | |
7fb8279c | 123 | serial_close(serial); |
8fa9368e | 124 | |
15a5bfe4 | 125 | return std_scan_complete(di, devices); |
8fa9368e BV |
126 | } |
127 | ||
dd7a72ea UH |
128 | static int config_get(uint32_t key, GVariant **data, |
129 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
8fa9368e | 130 | { |
7fb8279c | 131 | struct dev_context *devc; |
f157b2ee | 132 | uint64_t low, high; |
a90e480c | 133 | int tmp, ret; |
8fa9368e | 134 | |
53b4680f | 135 | (void)cg; |
d3c74a6f | 136 | |
7fb8279c BV |
137 | if (!sdi) |
138 | return SR_ERR_ARG; | |
8fa9368e | 139 | |
7fb8279c | 140 | devc = sdi->priv; |
758906aa | 141 | |
a90e480c | 142 | ret = SR_OK; |
758906aa | 143 | |
8fa9368e | 144 | switch (key) { |
7fb8279c BV |
145 | case SR_CONF_LIMIT_SAMPLES: |
146 | *data = g_variant_new_uint64(devc->limit_samples); | |
147 | break; | |
e1af0e85 | 148 | case SR_CONF_DATALOG: |
0cd9107d BV |
149 | if ((ret = cem_dt_885x_recording_get(sdi, &tmp)) == SR_OK) |
150 | *data = g_variant_new_boolean(tmp); | |
e1af0e85 | 151 | break; |
be733919 BV |
152 | case SR_CONF_SPL_WEIGHT_FREQ: |
153 | tmp = cem_dt_885x_weight_freq_get(sdi); | |
154 | if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A) | |
155 | *data = g_variant_new_string("A"); | |
156 | else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C) | |
157 | *data = g_variant_new_string("C"); | |
158 | else | |
159 | return SR_ERR; | |
160 | break; | |
1487ce4f BV |
161 | case SR_CONF_SPL_WEIGHT_TIME: |
162 | tmp = cem_dt_885x_weight_time_get(sdi); | |
163 | if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F) | |
164 | *data = g_variant_new_string("F"); | |
165 | else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S) | |
166 | *data = g_variant_new_string("S"); | |
167 | else | |
168 | return SR_ERR; | |
169 | break; | |
a90e480c BV |
170 | case SR_CONF_HOLD_MAX: |
171 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
172 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MAX); | |
173 | break; | |
174 | case SR_CONF_HOLD_MIN: | |
175 | if ((ret = cem_dt_885x_holdmode_get(sdi, &tmp)) == SR_OK) | |
176 | *data = g_variant_new_boolean(tmp == SR_MQFLAG_MIN); | |
177 | break; | |
f157b2ee | 178 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
a162eeb2 UH |
179 | if ((ret = cem_dt_885x_meas_range_get(sdi, &low, &high)) == SR_OK) |
180 | *data = std_gvar_tuple_u64(low, high); | |
f157b2ee | 181 | break; |
4c22355f BV |
182 | case SR_CONF_POWER_OFF: |
183 | *data = g_variant_new_boolean(FALSE); | |
184 | break; | |
662172d4 BV |
185 | case SR_CONF_DATA_SOURCE: |
186 | if (devc->cur_data_source == DATA_SOURCE_LIVE) | |
187 | *data = g_variant_new_string("Live"); | |
188 | else | |
189 | *data = g_variant_new_string("Memory"); | |
190 | break; | |
8fa9368e BV |
191 | default: |
192 | return SR_ERR_NA; | |
193 | } | |
194 | ||
a90e480c | 195 | return ret; |
8fa9368e BV |
196 | } |
197 | ||
dd7a72ea UH |
198 | static int config_set(uint32_t key, GVariant *data, |
199 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
8fa9368e | 200 | { |
7fb8279c | 201 | struct dev_context *devc; |
758906aa | 202 | int tmp, idx; |
8fa9368e | 203 | |
53b4680f | 204 | (void)cg; |
d3c74a6f | 205 | |
b0baddef | 206 | devc = sdi->priv; |
7fb8279c | 207 | |
8fa9368e | 208 | switch (key) { |
7fb8279c | 209 | case SR_CONF_LIMIT_SAMPLES: |
50ccb36f | 210 | devc->limit_samples = g_variant_get_uint64(data); |
7fb8279c | 211 | break; |
e1af0e85 | 212 | case SR_CONF_DATALOG: |
758906aa | 213 | return cem_dt_885x_recording_set(sdi, g_variant_get_boolean(data)); |
be733919 | 214 | case SR_CONF_SPL_WEIGHT_FREQ: |
697fb6dd | 215 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_freq))) < 0) |
be733919 | 216 | return SR_ERR_ARG; |
697fb6dd UH |
217 | return cem_dt_885x_weight_freq_set(sdi, (weight_freq[idx][0] == 'A') ? |
218 | SR_MQFLAG_SPL_FREQ_WEIGHT_A : SR_MQFLAG_SPL_FREQ_WEIGHT_C); | |
1487ce4f | 219 | case SR_CONF_SPL_WEIGHT_TIME: |
697fb6dd | 220 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_time))) < 0) |
1487ce4f | 221 | return SR_ERR_ARG; |
697fb6dd UH |
222 | return cem_dt_885x_weight_time_set(sdi, (weight_time[idx][0] == 'F') ? |
223 | SR_MQFLAG_SPL_TIME_WEIGHT_F : SR_MQFLAG_SPL_TIME_WEIGHT_S); | |
a90e480c BV |
224 | case SR_CONF_HOLD_MAX: |
225 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MAX : 0; | |
758906aa | 226 | return cem_dt_885x_holdmode_set(sdi, tmp); |
a90e480c BV |
227 | case SR_CONF_HOLD_MIN: |
228 | tmp = g_variant_get_boolean(data) ? SR_MQFLAG_MIN : 0; | |
758906aa | 229 | return cem_dt_885x_holdmode_set(sdi, tmp); |
f157b2ee | 230 | case SR_CONF_SPL_MEASUREMENT_RANGE: |
697fb6dd UH |
231 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(meas_ranges))) < 0) |
232 | return SR_ERR_ARG; | |
233 | return cem_dt_885x_meas_range_set(sdi, meas_ranges[idx][0], meas_ranges[idx][1]); | |
4c22355f BV |
234 | case SR_CONF_POWER_OFF: |
235 | if (g_variant_get_boolean(data)) | |
758906aa | 236 | return cem_dt_885x_power_off(sdi); |
4c22355f | 237 | break; |
662172d4 | 238 | case SR_CONF_DATA_SOURCE: |
697fb6dd UH |
239 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0) |
240 | return SR_ERR_ARG; | |
241 | devc->cur_data_source = idx; | |
242 | devc->enable_data_source_memory = (idx == DATA_SOURCE_MEMORY); | |
662172d4 | 243 | break; |
8fa9368e | 244 | default: |
758906aa | 245 | return SR_ERR_NA; |
8fa9368e BV |
246 | } |
247 | ||
758906aa | 248 | return SR_OK; |
8fa9368e BV |
249 | } |
250 | ||
dd7a72ea UH |
251 | static int config_list(uint32_t key, GVariant **data, |
252 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
8fa9368e | 253 | { |
e66d1892 UH |
254 | switch (key) { |
255 | case SR_CONF_SCAN_OPTIONS: | |
256 | case SR_CONF_DEVICE_OPTIONS: | |
257 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
258 | case SR_CONF_SPL_WEIGHT_FREQ: | |
53012da6 | 259 | *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_freq)); |
e66d1892 UH |
260 | break; |
261 | case SR_CONF_SPL_WEIGHT_TIME: | |
53012da6 | 262 | *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_time)); |
e66d1892 UH |
263 | break; |
264 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
58ffcf97 | 265 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(meas_ranges)); |
e66d1892 UH |
266 | break; |
267 | case SR_CONF_DATA_SOURCE: | |
53012da6 | 268 | *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); |
e66d1892 UH |
269 | break; |
270 | default: | |
271 | return SR_ERR_NA; | |
8fa9368e BV |
272 | } |
273 | ||
a9010323 | 274 | return SR_OK; |
8fa9368e BV |
275 | } |
276 | ||
695dc859 | 277 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
8fa9368e | 278 | { |
e37c4b39 BV |
279 | struct dev_context *devc; |
280 | struct sr_serial_dev_inst *serial; | |
8fa9368e | 281 | |
208c1d35 | 282 | devc = sdi->priv; |
e37c4b39 BV |
283 | devc->state = ST_INIT; |
284 | devc->num_samples = 0; | |
285 | devc->buf_len = 0; | |
286 | ||
bee2b016 | 287 | std_session_send_df_header(sdi); |
e37c4b39 | 288 | |
e37c4b39 | 289 | serial = sdi->conn; |
102f1239 BV |
290 | serial_source_add(sdi->session, serial, G_IO_IN, 150, |
291 | cem_dt_885x_receive_data, (void *)sdi); | |
8fa9368e BV |
292 | |
293 | return SR_OK; | |
294 | } | |
295 | ||
dd5c48a6 | 296 | static struct sr_dev_driver cem_dt_885x_driver_info = { |
8fa9368e BV |
297 | .name = "cem-dt-885x", |
298 | .longname = "CEM DT-885x", | |
299 | .api_version = 1, | |
c2fdcc25 | 300 | .init = std_init, |
700d6b64 | 301 | .cleanup = std_cleanup, |
8fa9368e | 302 | .scan = scan, |
c01bf34c | 303 | .dev_list = std_dev_list, |
f778bf02 | 304 | .dev_clear = std_dev_clear, |
8fa9368e BV |
305 | .config_get = config_get, |
306 | .config_set = config_set, | |
307 | .config_list = config_list, | |
8f878dc6 | 308 | .dev_open = std_serial_dev_open, |
bf2c987f | 309 | .dev_close = std_serial_dev_close, |
8fa9368e | 310 | .dev_acquisition_start = dev_acquisition_start, |
4b1a9d5d | 311 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, |
41812aca | 312 | .context = NULL, |
8fa9368e | 313 | }; |
dd5c48a6 | 314 | SR_REGISTER_DEV_DRIVER(cem_dt_885x_driver_info); |