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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 | 95 | |
aa2af324 UH |
96 | drvc = di->priv; |
97 | drvc->instances = NULL; | |
98 | ||
4b97c74e UH |
99 | devices = NULL; |
100 | ||
c073af80 UH |
101 | conn = serialcomm = NULL; |
102 | for (l = options; l; l = l->next) { | |
1987b8d6 | 103 | if (!(src = l->data)) { |
c073af80 UH |
104 | sr_err("Invalid option data, skipping."); |
105 | continue; | |
106 | } | |
1987b8d6 | 107 | switch (src->key) { |
1953564a | 108 | case SR_CONF_CONN: |
1987b8d6 | 109 | conn = src->value; |
c073af80 | 110 | break; |
1953564a | 111 | case SR_CONF_SERIALCOMM: |
1987b8d6 | 112 | serialcomm = src->value; |
c073af80 UH |
113 | break; |
114 | default: | |
1987b8d6 | 115 | sr_err("Unknown option %d, skipping.", src->key); |
c073af80 UH |
116 | break; |
117 | } | |
118 | } | |
80bc6632 | 119 | if (!conn) |
c073af80 | 120 | return NULL; |
19ee7dff BV |
121 | if (!serialcomm) |
122 | serialcomm = SERIALCOMM; | |
c073af80 UH |
123 | |
124 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, "Tondaj", | |
125 | "SL-814", NULL))) { | |
126 | sr_err("Failed to create device instance."); | |
127 | return NULL; | |
128 | } | |
129 | ||
130 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
131 | sr_err("Device context malloc failed."); | |
132 | return NULL; | |
133 | } | |
134 | ||
19ee7dff BV |
135 | if (!(devc->serial = sr_serial_dev_inst_new(conn, serialcomm))) |
136 | return NULL; | |
c073af80 | 137 | |
a54dd31e | 138 | if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
c073af80 | 139 | return NULL; |
19ee7dff | 140 | |
c073af80 UH |
141 | sdi->priv = devc; |
142 | sdi->driver = di; | |
6b8d6f93 | 143 | probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"); |
c073af80 UH |
144 | if (!probe) { |
145 | sr_err("Failed to create probe."); | |
146 | return NULL; | |
147 | } | |
148 | sdi->probes = g_slist_append(sdi->probes, probe); | |
149 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
150 | devices = g_slist_append(devices, sdi); | |
aa2af324 UH |
151 | |
152 | return devices; | |
153 | } | |
154 | ||
155 | static GSList *hw_dev_list(void) | |
156 | { | |
157 | struct drv_context *drvc; | |
158 | ||
159 | drvc = di->priv; | |
160 | ||
161 | return drvc->instances; | |
162 | } | |
163 | ||
164 | static int hw_dev_open(struct sr_dev_inst *sdi) | |
165 | { | |
c073af80 UH |
166 | struct dev_context *devc; |
167 | ||
168 | devc = sdi->priv; | |
169 | ||
a54dd31e | 170 | if (serial_open(devc->serial, SERIAL_RDWR | SERIAL_NONBLOCK) != SR_OK) |
c073af80 | 171 | return SR_ERR; |
c073af80 UH |
172 | |
173 | sdi->status = SR_ST_ACTIVE; | |
aa2af324 UH |
174 | |
175 | return SR_OK; | |
176 | } | |
177 | ||
178 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
179 | { | |
c073af80 UH |
180 | struct dev_context *devc; |
181 | ||
182 | devc = sdi->priv; | |
183 | ||
19ee7dff BV |
184 | if (devc->serial && devc->serial->fd != -1) { |
185 | serial_close(devc->serial); | |
186 | sdi->status = SR_ST_INACTIVE; | |
c073af80 UH |
187 | } |
188 | ||
aa2af324 UH |
189 | return SR_OK; |
190 | } | |
191 | ||
192 | static int hw_cleanup(void) | |
193 | { | |
194 | clear_instances(); | |
195 | ||
aa2af324 UH |
196 | return SR_OK; |
197 | } | |
198 | ||
035a1078 | 199 | static int config_set(int id, const void *value, const struct sr_dev_inst *sdi) |
aa2af324 | 200 | { |
c073af80 | 201 | struct dev_context *devc; |
aa2af324 UH |
202 | |
203 | if (sdi->status != SR_ST_ACTIVE) { | |
204 | sr_err("Device inactive, can't set config options."); | |
205 | return SR_ERR; | |
206 | } | |
207 | ||
c073af80 UH |
208 | devc = sdi->priv; |
209 | ||
035a1078 | 210 | switch (id) { |
1953564a | 211 | case SR_CONF_LIMIT_SAMPLES: |
c073af80 UH |
212 | devc->limit_samples = *(const uint64_t *)value; |
213 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
214 | devc->limit_samples); | |
215 | break; | |
aa2af324 | 216 | default: |
035a1078 | 217 | sr_err("Unknown hardware capability: %d.", id); |
c073af80 | 218 | return SR_ERR_ARG; |
aa2af324 UH |
219 | } |
220 | ||
c073af80 | 221 | return SR_OK; |
aa2af324 UH |
222 | } |
223 | ||
a1c743fc BV |
224 | static int config_list(int key, const void **data, const struct sr_dev_inst *sdi) |
225 | { | |
226 | ||
227 | (void)sdi; | |
228 | ||
229 | switch (key) { | |
0d485e30 BV |
230 | case SR_CONF_SCAN_OPTIONS: |
231 | *data = hwopts; | |
232 | break; | |
9a6517d1 BV |
233 | case SR_CONF_DEVICE_OPTIONS: |
234 | *data = hwcaps; | |
235 | break; | |
a1c743fc BV |
236 | default: |
237 | return SR_ERR_ARG; | |
238 | } | |
239 | ||
240 | return SR_OK; | |
241 | } | |
242 | ||
aa2af324 UH |
243 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, |
244 | void *cb_data) | |
245 | { | |
c073af80 UH |
246 | struct sr_datafeed_packet packet; |
247 | struct sr_datafeed_header header; | |
c073af80 UH |
248 | struct dev_context *devc; |
249 | ||
250 | devc = sdi->priv; | |
251 | devc->cb_data = cb_data; | |
252 | ||
253 | /* Send header packet to the session bus. */ | |
254 | sr_dbg("Sending SR_DF_HEADER."); | |
255 | packet.type = SR_DF_HEADER; | |
256 | packet.payload = (uint8_t *)&header; | |
257 | header.feed_version = 1; | |
258 | gettimeofday(&header.starttime, NULL); | |
259 | sr_session_send(devc->cb_data, &packet); | |
260 | ||
c073af80 UH |
261 | /* Poll every 500ms, or whenever some data comes in. */ |
262 | sr_source_add(devc->serial->fd, G_IO_IN, 500, | |
263 | tondaj_sl_814_receive_data, (void *)sdi); | |
aa2af324 UH |
264 | |
265 | return SR_OK; | |
266 | } | |
267 | ||
c073af80 | 268 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) |
aa2af324 | 269 | { |
c073af80 UH |
270 | int ret, final_ret; |
271 | struct sr_datafeed_packet packet; | |
272 | struct dev_context *devc; | |
273 | ||
274 | final_ret = SR_OK; | |
aa2af324 UH |
275 | |
276 | if (sdi->status != SR_ST_ACTIVE) { | |
277 | sr_err("Device inactive, can't stop acquisition."); | |
278 | return SR_ERR; | |
279 | } | |
280 | ||
c073af80 | 281 | devc = sdi->priv; |
aa2af324 | 282 | |
c073af80 UH |
283 | if ((ret = sr_source_remove(devc->serial->fd)) < 0) { |
284 | sr_err("Error removing source: %d.", ret); | |
285 | final_ret = SR_ERR; | |
286 | } | |
287 | ||
288 | if ((ret = hw_dev_close(sdi)) < 0) { | |
289 | sr_err("Error closing device: %d.", ret); | |
290 | final_ret = SR_ERR; | |
291 | } | |
292 | ||
293 | /* Send end packet to the session bus. */ | |
294 | sr_dbg("Sending SR_DF_END."); | |
295 | packet.type = SR_DF_END; | |
296 | sr_session_send(cb_data, &packet); | |
297 | ||
298 | return final_ret; | |
aa2af324 UH |
299 | } |
300 | ||
301 | SR_PRIV struct sr_dev_driver tondaj_sl_814_driver_info = { | |
302 | .name = "tondaj-sl-814", | |
303 | .longname = "Tondaj SL-814", | |
304 | .api_version = 1, | |
305 | .init = hw_init, | |
306 | .cleanup = hw_cleanup, | |
307 | .scan = hw_scan, | |
308 | .dev_list = hw_dev_list, | |
309 | .dev_clear = clear_instances, | |
035a1078 | 310 | .config_set = config_set, |
a1c743fc | 311 | .config_list = config_list, |
aa2af324 UH |
312 | .dev_open = hw_dev_open, |
313 | .dev_close = hw_dev_close, | |
aa2af324 UH |
314 | .dev_acquisition_start = hw_dev_acquisition_start, |
315 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
316 | .priv = NULL, | |
317 | }; |