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aa2af324 UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2012 Uwe Hermann <uwe@hermann-uwe.de> | |
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 2 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, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
c073af80 | 21 | #include <fcntl.h> |
aa2af324 UH |
22 | #include <glib.h> |
23 | #include "libsigrok.h" | |
24 | #include "libsigrok-internal.h" | |
25 | #include "protocol.h" | |
26 | ||
19ee7dff BV |
27 | #define SERIALCOMM "9600/8e1" |
28 | ||
c073af80 | 29 | static const int hwopts[] = { |
1953564a BV |
30 | SR_CONF_CONN, |
31 | SR_CONF_SERIALCOMM, | |
c073af80 UH |
32 | 0, |
33 | }; | |
34 | ||
35 | static const int hwcaps[] = { | |
1953564a BV |
36 | SR_CONF_SOUNDLEVELMETER, |
37 | SR_CONF_LIMIT_SAMPLES, | |
38 | SR_CONF_CONTINUOUS, | |
c073af80 UH |
39 | 0, |
40 | }; | |
41 | ||
aa2af324 UH |
42 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info; |
43 | static struct sr_dev_driver *di = &tondaj_sl_814_driver_info; | |
44 | ||
45 | /* Properly close and free all devices. */ | |
46 | static int clear_instances(void) | |
47 | { | |
48 | struct sr_dev_inst *sdi; | |
49 | struct drv_context *drvc; | |
50 | struct dev_context *devc; | |
51 | GSList *l; | |
52 | ||
53 | if (!(drvc = di->priv)) | |
54 | return SR_OK; | |
55 | ||
56 | for (l = drvc->instances; l; l = l->next) { | |
57 | if (!(sdi = l->data)) | |
58 | continue; | |
59 | if (!(devc = sdi->priv)) | |
60 | continue; | |
c073af80 | 61 | sr_serial_dev_inst_free(devc->serial); |
aa2af324 UH |
62 | sr_dev_inst_free(sdi); |
63 | } | |
64 | ||
65 | g_slist_free(drvc->instances); | |
66 | drvc->instances = NULL; | |
67 | ||
68 | return SR_OK; | |
69 | } | |
70 | ||
34f06b90 | 71 | static int hw_init(struct sr_context *sr_ctx) |
aa2af324 UH |
72 | { |
73 | struct drv_context *drvc; | |
74 | ||
75 | if (!(drvc = g_try_malloc0(sizeof(struct drv_context)))) { | |
76 | sr_err("Driver context malloc failed."); | |
77 | return SR_ERR_MALLOC; | |
78 | } | |
79 | ||
1ebe4b4e | 80 | drvc->sr_ctx = sr_ctx; |
aa2af324 UH |
81 | di->priv = drvc; |
82 | ||
83 | return SR_OK; | |
84 | } | |
85 | ||
86 | static GSList *hw_scan(GSList *options) | |
87 | { | |
88 | struct drv_context *drvc; | |
c073af80 UH |
89 | struct dev_context *devc; |
90 | struct sr_dev_inst *sdi; | |
1987b8d6 | 91 | struct sr_config *src; |
c073af80 UH |
92 | struct sr_probe *probe; |
93 | GSList *devices, *l; | |
94 | const char *conn, *serialcomm; | |
aa2af324 UH |
95 | |
96 | devices = NULL; | |
97 | drvc = di->priv; | |
98 | drvc->instances = NULL; | |
99 | ||
c073af80 UH |
100 | conn = serialcomm = NULL; |
101 | for (l = options; l; l = l->next) { | |
1987b8d6 | 102 | if (!(src = l->data)) { |
c073af80 UH |
103 | sr_err("Invalid option data, skipping."); |
104 | continue; | |
105 | } | |
1987b8d6 | 106 | switch (src->key) { |
1953564a | 107 | case SR_CONF_CONN: |
1987b8d6 | 108 | conn = src->value; |
c073af80 | 109 | break; |
1953564a | 110 | case SR_CONF_SERIALCOMM: |
1987b8d6 | 111 | serialcomm = src->value; |
c073af80 UH |
112 | break; |
113 | default: | |
1987b8d6 | 114 | sr_err("Unknown option %d, skipping.", src->key); |
c073af80 UH |
115 | break; |
116 | } | |
117 | } | |
80bc6632 | 118 | if (!conn) |
c073af80 | 119 | return NULL; |
19ee7dff BV |
120 | if (!serialcomm) |
121 | serialcomm = SERIALCOMM; | |
c073af80 UH |
122 | |
123 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj", | |
124 | "SL-814", NULL))) { | |
125 | sr_err("Failed to create device instance."); | |
126 | return NULL; | |
127 | } | |
128 | ||
129 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
130 | sr_err("Device context malloc failed."); | |
131 | return NULL; | |
132 | } | |
133 | ||
19ee7dff BV |
134 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) |
135 | return NULL; | |
c073af80 | 136 | |
a54dd31e | 137 | if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
c073af80 | 138 | return NULL; |
19ee7dff | 139 | |
c073af80 UH |
140 | sdi->priv = devc; |
141 | sdi->driver = di; | |
6b8d6f93 | 142 | probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"); |
c073af80 UH |
143 | if (!probe) { |
144 | sr_err("Failed to create probe."); | |
145 | return NULL; | |
146 | } | |
147 | sdi->probes = g_slist_append(sdi->probes, probe); | |
148 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
149 | devices = g_slist_append(devices, sdi); | |
aa2af324 UH |
150 | |
151 | return devices; | |
152 | } | |
153 | ||
154 | static GSList *hw_dev_list(void) | |
155 | { | |
156 | struct drv_context *drvc; | |
157 | ||
158 | drvc = di->priv; | |
159 | ||
160 | return drvc->instances; | |
161 | } | |
162 | ||
163 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
164 | { | |
c073af80 UH |
165 | struct dev_context *devc; |
166 | ||
167 | devc = sdi->priv; | |
168 | ||
a54dd31e | 169 | if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
c073af80 | 170 | return SR_ERR; |
c073af80 UH |
171 | |
172 | sdi->status = SR_ST_ACTIVE; | |
aa2af324 UH |
173 | |
174 | return SR_OK; | |
175 | } | |
176 | ||
177 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
178 | { | |
c073af80 UH |
179 | struct dev_context *devc; |
180 | ||
181 | devc = sdi->priv; | |
182 | ||
19ee7dff BV |
183 | if (devc->serial && devc->serial->fd != -1) { |
184 | serial_close(devc->serial); | |
185 | sdi->status = SR_ST_INACTIVE; | |
c073af80 UH |
186 | } |
187 | ||
aa2af324 UH |
188 | return SR_OK; |
189 | } | |
190 | ||
191 | static int hw_cleanup(void) | |
192 | { | |
193 | clear_instances(); | |
194 | ||
aa2af324 UH |
195 | return SR_OK; |
196 | } | |
197 | ||
035a1078 | 198 | static int config_get(int id, const void **data, const struct sr_dev_inst *sdi) |
aa2af324 | 199 | { |
c073af80 UH |
200 | (void)sdi; |
201 | ||
035a1078 | 202 | switch (id) { |
aa2af324 | 203 | default: |
aa2af324 UH |
204 | return SR_ERR_ARG; |
205 | } | |
206 | ||
207 | return SR_OK; | |
208 | } | |
209 | ||
035a1078 | 210 | static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) |
aa2af324 | 211 | { |
c073af80 | 212 | struct dev_context *devc; |
aa2af324 UH |
213 | |
214 | if (sdi->status != SR_ST_ACTIVE) { | |
215 | sr_err("Device inactive, can't set config options."); | |
216 | return SR_ERR; | |
217 | } | |
218 | ||
c073af80 UH |
219 | devc = sdi->priv; |
220 | ||
035a1078 | 221 | switch (id) { |
1953564a | 222 | case SR_CONF_LIMIT_SAMPLES: |
c073af80 UH |
223 | devc->limit_samples = *(const uint64_t *)value; |
224 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
225 | devc->limit_samples); | |
226 | break; | |
aa2af324 | 227 | default: |
035a1078 | 228 | sr_err("Unknown hardware capability: %d.", id); |
c073af80 | 229 | return SR_ERR_ARG; |
aa2af324 UH |
230 | } |
231 | ||
c073af80 | 232 | return SR_OK; |
aa2af324 UH |
233 | } |
234 | ||
a1c743fc BV |
235 | static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) |
236 | { | |
237 | ||
238 | (void)sdi; | |
239 | ||
240 | switch (key) { | |
0d485e30 BV |
241 | case SR_CONF_SCAN_OPTIONS: |
242 | *data = hwopts; | |
243 | break; | |
9a6517d1 BV |
244 | case SR_CONF_DEVICE_OPTIONS: |
245 | *data = hwcaps; | |
246 | break; | |
a1c743fc BV |
247 | default: |
248 | return SR_ERR_ARG; | |
249 | } | |
250 | ||
251 | return SR_OK; | |
252 | } | |
253 | ||
aa2af324 UH |
254 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
255 | void *cb_data) | |
256 | { | |
c073af80 UH |
257 | struct sr_datafeed_packet packet; |
258 | struct sr_datafeed_header header; | |
c073af80 UH |
259 | struct dev_context *devc; |
260 | ||
261 | devc = sdi->priv; | |
262 | devc->cb_data = cb_data; | |
263 | ||
264 | /* Send header packet to the session bus. */ | |
265 | sr_dbg("Sending SR_DF_HEADER."); | |
266 | packet.type = SR_DF_HEADER; | |
267 | packet.payload = (uint8_t *)&header; | |
268 | header.feed_version = 1; | |
269 | gettimeofday(&header.starttime, NULL); | |
270 | sr_session_send(devc->cb_data, &packet); | |
271 | ||
c073af80 UH |
272 | /* Poll every 500ms, or whenever some data comes in. */ |
273 | sr_source_add(devc->serial->fd, G_IO_IN, 500, | |
274 | tondaj_sl_814_receive_data, (void *)sdi); | |
aa2af324 UH |
275 | |
276 | return SR_OK; | |
277 | } | |
278 | ||
c073af80 | 279 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
aa2af324 | 280 | { |
c073af80 UH |
281 | int ret, final_ret; |
282 | struct sr_datafeed_packet packet; | |
283 | struct dev_context *devc; | |
284 | ||
285 | final_ret = SR_OK; | |
aa2af324 UH |
286 | |
287 | if (sdi->status != SR_ST_ACTIVE) { | |
288 | sr_err("Device inactive, can't stop acquisition."); | |
289 | return SR_ERR; | |
290 | } | |
291 | ||
c073af80 | 292 | devc = sdi->priv; |
aa2af324 | 293 | |
c073af80 UH |
294 | if ((ret = sr_source_remove(devc->serial->fd)) < 0) { |
295 | sr_err("Error removing source: %d.", ret); | |
296 | final_ret = SR_ERR; | |
297 | } | |
298 | ||
299 | if ((ret = hw_dev_close(sdi)) < 0) { | |
300 | sr_err("Error closing device: %d.", ret); | |
301 | final_ret = SR_ERR; | |
302 | } | |
303 | ||
304 | /* Send end packet to the session bus. */ | |
305 | sr_dbg("Sending SR_DF_END."); | |
306 | packet.type = SR_DF_END; | |
307 | sr_session_send(cb_data, &packet); | |
308 | ||
309 | return final_ret; | |
aa2af324 UH |
310 | } |
311 | ||
312 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = { | |
313 | .name = "tondaj-sl-814", | |
314 | .longname = "Tondaj SL-814", | |
315 | .api_version = 1, | |
316 | .init = hw_init, | |
317 | .cleanup = hw_cleanup, | |
318 | .scan = hw_scan, | |
319 | .dev_list = hw_dev_list, | |
320 | .dev_clear = clear_instances, | |
035a1078 BV |
321 | .config_get = config_get, |
322 | .config_set = config_set, | |
a1c743fc | 323 | .config_list = config_list, |
aa2af324 UH |
324 | .dev_open = hw_dev_open, |
325 | .dev_close = hw_dev_close, | |
aa2af324 UH |
326 | .dev_acquisition_start = hw_dev_acquisition_start, |
327 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
328 | .priv = NULL, | |
329 | }; |