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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2016 George Hopkins <george-hopkins@null.net> | |
5 | * Copyright (C) 2016 Matthieu Guillaumin <matthieu@guillaum.in> | |
6 | * | |
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. | |
11 | * | |
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. | |
16 | * | |
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/>. | |
19 | */ | |
20 | ||
21 | #include <string.h> | |
22 | #include <config.h> | |
23 | #include "protocol.h" | |
24 | ||
25 | #define SERIALCOMM "115200/8n1" | |
26 | ||
27 | static const uint32_t scanopts[] = { | |
28 | SR_CONF_CONN, | |
29 | }; | |
30 | ||
31 | static const uint32_t drvopts[] = { | |
32 | SR_CONF_SOUNDLEVELMETER, | |
33 | }; | |
34 | ||
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, | |
43 | }; | |
44 | ||
45 | static const char *weight_freq[] = { | |
46 | "A", "C", | |
47 | }; | |
48 | ||
49 | static const char *weight_time[] = { | |
50 | "F", "S", | |
51 | }; | |
52 | ||
53 | static const uint64_t meas_ranges[][2] = { | |
54 | { 30, 130 }, | |
55 | { 30, 80 }, | |
56 | { 50, 100 }, | |
57 | { 80, 130 }, | |
58 | }; | |
59 | ||
60 | static const char *data_sources[] = { | |
61 | "Live", "Memory", | |
62 | }; | |
63 | ||
64 | static GSList *scan(struct sr_dev_driver *di, GSList *options) | |
65 | { | |
66 | struct dev_context *devc; | |
67 | struct sr_config *src; | |
68 | struct sr_serial_dev_inst *serial; | |
69 | struct sr_dev_inst *sdi; | |
70 | GSList *l; | |
71 | const char *conn; | |
72 | ||
73 | conn = NULL; | |
74 | for (l = options; l; l = l->next) { | |
75 | src = l->data; | |
76 | if (src->key == SR_CONF_CONN) | |
77 | conn = g_variant_get_string(src->data, NULL); | |
78 | } | |
79 | if (!conn) | |
80 | return NULL; | |
81 | ||
82 | serial = sr_serial_dev_inst_new(conn, SERIALCOMM); | |
83 | ||
84 | if (serial_open(serial, SERIAL_RDONLY) != SR_OK) | |
85 | return NULL; | |
86 | ||
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; | |
95 | sdi->priv = devc; | |
96 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "SPL"); | |
97 | ||
98 | serial_close(serial); | |
99 | ||
100 | return std_scan_complete(di, g_slist_append(NULL, sdi)); | |
101 | } | |
102 | ||
103 | static int config_get(uint32_t key, GVariant **data, | |
104 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
105 | { | |
106 | struct dev_context *devc; | |
107 | uint64_t low, high; | |
108 | uint64_t tmp; | |
109 | int ret; | |
110 | ||
111 | (void)cg; | |
112 | ||
113 | if (!sdi) | |
114 | return SR_ERR_ARG; | |
115 | ||
116 | devc = sdi->priv; | |
117 | ||
118 | switch (key) { | |
119 | case SR_CONF_LIMIT_SAMPLES: | |
120 | *data = g_variant_new_uint64(devc->limit_samples); | |
121 | break; | |
122 | case SR_CONF_SPL_WEIGHT_FREQ: | |
123 | tmp = pce_322a_weight_freq_get(sdi); | |
124 | if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_A) | |
125 | *data = g_variant_new_string("A"); | |
126 | else if (tmp == SR_MQFLAG_SPL_FREQ_WEIGHT_C) | |
127 | *data = g_variant_new_string("C"); | |
128 | else | |
129 | return SR_ERR; | |
130 | break; | |
131 | case SR_CONF_SPL_WEIGHT_TIME: | |
132 | tmp = pce_322a_weight_time_get(sdi); | |
133 | if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_F) | |
134 | *data = g_variant_new_string("F"); | |
135 | else if (tmp == SR_MQFLAG_SPL_TIME_WEIGHT_S) | |
136 | *data = g_variant_new_string("S"); | |
137 | else | |
138 | return SR_ERR; | |
139 | break; | |
140 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
141 | if ((ret = pce_322a_meas_range_get(sdi, &low, &high)) == SR_OK) | |
142 | *data = std_gvar_tuple_u64(low, high); | |
143 | else | |
144 | return ret; | |
145 | break; | |
146 | case SR_CONF_POWER_OFF: | |
147 | *data = g_variant_new_boolean(FALSE); | |
148 | break; | |
149 | case SR_CONF_DATA_SOURCE: | |
150 | if (devc->cur_data_source == DATA_SOURCE_LIVE) | |
151 | *data = g_variant_new_string("Live"); | |
152 | else | |
153 | *data = g_variant_new_string("Memory"); | |
154 | break; | |
155 | default: | |
156 | return SR_ERR_NA; | |
157 | } | |
158 | ||
159 | return SR_OK; | |
160 | } | |
161 | ||
162 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, | |
163 | const struct sr_channel_group *cg) | |
164 | { | |
165 | struct dev_context *devc; | |
166 | int idx; | |
167 | ||
168 | (void)cg; | |
169 | ||
170 | devc = sdi->priv; | |
171 | ||
172 | switch (key) { | |
173 | case SR_CONF_LIMIT_SAMPLES: | |
174 | devc->limit_samples = g_variant_get_uint64(data); | |
175 | break; | |
176 | case SR_CONF_SPL_WEIGHT_FREQ: | |
177 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_freq))) < 0) | |
178 | return SR_ERR_ARG; | |
179 | return pce_322a_weight_freq_set(sdi, (weight_freq[idx][0] == 'A') ? | |
180 | SR_MQFLAG_SPL_FREQ_WEIGHT_A : SR_MQFLAG_SPL_FREQ_WEIGHT_C); | |
181 | case SR_CONF_SPL_WEIGHT_TIME: | |
182 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(weight_time))) < 0) | |
183 | return SR_ERR_ARG; | |
184 | return pce_322a_weight_time_set(sdi, (weight_time[idx][0] == 'F') ? | |
185 | SR_MQFLAG_SPL_TIME_WEIGHT_F : SR_MQFLAG_SPL_TIME_WEIGHT_S); | |
186 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
187 | if ((idx = std_u64_tuple_idx(data, ARRAY_AND_SIZE(meas_ranges))) < 0) | |
188 | return SR_ERR_ARG; | |
189 | return pce_322a_meas_range_set(sdi, meas_ranges[idx][0], meas_ranges[idx][1]); | |
190 | case SR_CONF_POWER_OFF: | |
191 | if (g_variant_get_boolean(data)) | |
192 | return pce_322a_power_off(sdi); | |
193 | break; | |
194 | case SR_CONF_DATA_SOURCE: | |
195 | if ((idx = std_str_idx(data, ARRAY_AND_SIZE(data_sources))) < 0) | |
196 | return SR_ERR_ARG; | |
197 | devc->cur_data_source = idx; | |
198 | break; | |
199 | default: | |
200 | return SR_ERR_NA; | |
201 | } | |
202 | ||
203 | return SR_OK; | |
204 | } | |
205 | ||
206 | static int config_list(uint32_t key, GVariant **data, | |
207 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
208 | { | |
209 | switch (key) { | |
210 | case SR_CONF_SCAN_OPTIONS: | |
211 | case SR_CONF_DEVICE_OPTIONS: | |
212 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
213 | case SR_CONF_SPL_WEIGHT_FREQ: | |
214 | *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_freq)); | |
215 | break; | |
216 | case SR_CONF_SPL_WEIGHT_TIME: | |
217 | *data = g_variant_new_strv(ARRAY_AND_SIZE(weight_time)); | |
218 | break; | |
219 | case SR_CONF_SPL_MEASUREMENT_RANGE: | |
220 | *data = std_gvar_tuple_array(ARRAY_AND_SIZE(meas_ranges)); | |
221 | break; | |
222 | case SR_CONF_DATA_SOURCE: | |
223 | *data = g_variant_new_strv(ARRAY_AND_SIZE(data_sources)); | |
224 | break; | |
225 | default: | |
226 | return SR_ERR_NA; | |
227 | } | |
228 | ||
229 | return SR_OK; | |
230 | } | |
231 | ||
232 | static int dev_open(struct sr_dev_inst *sdi) | |
233 | { | |
234 | int ret; | |
235 | ||
236 | ret = std_serial_dev_open(sdi); | |
237 | if (ret != SR_OK) | |
238 | return ret; | |
239 | ||
240 | return pce_322a_connect(sdi); | |
241 | } | |
242 | ||
243 | static int dev_close(struct sr_dev_inst *sdi) | |
244 | { | |
245 | /* | |
246 | * Ensure device gets properly disconnected even when there was | |
247 | * no acquisition. | |
248 | */ | |
249 | pce_322a_disconnect(sdi); | |
250 | ||
251 | return std_serial_dev_close(sdi); | |
252 | } | |
253 | ||
254 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
255 | { | |
256 | struct dev_context *devc; | |
257 | struct sr_serial_dev_inst *serial; | |
258 | ||
259 | devc = sdi->priv; | |
260 | devc->buffer_len = 0; | |
261 | devc->memory_state = MEM_STATE_REQUEST_MEMORY_USAGE; | |
262 | ||
263 | std_session_send_df_header(sdi); | |
264 | ||
265 | serial = sdi->conn; | |
266 | serial_source_add(sdi->session, serial, G_IO_IN, 150, | |
267 | pce_322a_receive_data, (void *)sdi); | |
268 | ||
269 | return SR_OK; | |
270 | } | |
271 | ||
272 | static struct sr_dev_driver pce_322a_driver_info = { | |
273 | .name = "pce-322a", | |
274 | .longname = "PCE PCE-322A", | |
275 | .api_version = 1, | |
276 | .init = std_init, | |
277 | .cleanup = std_cleanup, | |
278 | .scan = scan, | |
279 | .dev_list = std_dev_list, | |
280 | .dev_clear = std_dev_clear, | |
281 | .config_get = config_get, | |
282 | .config_set = config_set, | |
283 | .config_list = config_list, | |
284 | .dev_open = dev_open, | |
285 | .dev_close = dev_close, | |
286 | .dev_acquisition_start = dev_acquisition_start, | |
287 | .dev_acquisition_stop = std_serial_dev_acquisition_stop, | |
288 | .context = NULL, | |
289 | }; | |
290 | SR_REGISTER_DEV_DRIVER(pce_322a_driver_info); |