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1 | /* | |
2 | * This file is part of the libsigrok 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 | ||
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include "libsigrok.h" | |
24 | #include "libsigrok-internal.h" | |
25 | #include "protocol.h" | |
26 | ||
27 | #define UNI_T_UT_D04_NEW "1a86.e008" | |
28 | ||
29 | static const int32_t hwopts[] = { | |
30 | SR_CONF_CONN, | |
31 | }; | |
32 | ||
33 | static const int32_t hwcaps[] = { | |
34 | SR_CONF_MULTIMETER, | |
35 | SR_CONF_LIMIT_SAMPLES, | |
36 | SR_CONF_LIMIT_MSEC, | |
37 | SR_CONF_CONTINUOUS, | |
38 | }; | |
39 | ||
40 | SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; | |
41 | SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; | |
42 | ||
43 | SR_PRIV struct dmm_info udmms[] = { | |
44 | { | |
45 | "UNI-T", "UT61D", 19230 /* TODO */, | |
46 | FS9922_PACKET_SIZE, NULL, | |
47 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
48 | NULL, | |
49 | &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D, | |
50 | }, | |
51 | { | |
52 | "Voltcraft VC-820", "VC-820", 19200 /* TODO */, | |
53 | FS9721_PACKET_SIZE, NULL, | |
54 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
55 | NULL, | |
56 | &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820, | |
57 | }, | |
58 | }; | |
59 | ||
60 | static int clear_instances(int dmm) | |
61 | { | |
62 | (void)dmm; | |
63 | ||
64 | /* TODO: Use common code later. */ | |
65 | ||
66 | return SR_OK; | |
67 | } | |
68 | ||
69 | static int hw_init(struct sr_context *sr_ctx, int dmm) | |
70 | { | |
71 | sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name); | |
72 | ||
73 | return std_hw_init(sr_ctx, uddms[dmm].di, DRIVER_LOG_DOMAIN); | |
74 | } | |
75 | ||
76 | static GSList *hw_scan(GSList *options, int dmm) | |
77 | { | |
78 | GSList *usb_devices, *devices, *l; | |
79 | struct sr_dev_inst *sdi; | |
80 | struct dev_context *devc; | |
81 | struct drv_context *drvc; | |
82 | struct sr_usb_dev_inst *usb; | |
83 | struct sr_config *src; | |
84 | struct sr_probe *probe; | |
85 | const char *conn; | |
86 | ||
87 | (void)options; | |
88 | ||
89 | drvc = udmms[dmm].di->priv; | |
90 | ||
91 | /* USB scan is always authoritative. */ | |
92 | clear_instances(dmm); | |
93 | ||
94 | conn = NULL; | |
95 | for (l = options; l; l = l->next) { | |
96 | src = l->data; | |
97 | switch (src->key) { | |
98 | case SR_CONF_CONN: | |
99 | conn = g_variant_get_string(src->data, NULL); | |
100 | break; | |
101 | } | |
102 | } | |
103 | if (!conn) | |
104 | conn = UNI_T_UT_D04_NEW; | |
105 | ||
106 | devices = NULL; | |
107 | if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { | |
108 | g_slist_free_full(usb_devices, g_free); | |
109 | return NULL; | |
110 | } | |
111 | ||
112 | for (l = usb_devices; l; l = l->next) { | |
113 | usb = l->data; | |
114 | ||
115 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
116 | sr_err("Device context malloc failed."); | |
117 | return NULL; | |
118 | } | |
119 | ||
120 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
121 | udmms[dmm].vendor, udmms[dmm].device, NULL))) { | |
122 | sr_err("sr_dev_inst_new returned NULL."); | |
123 | return NULL; | |
124 | } | |
125 | sdi->priv = devc; | |
126 | sdi->driver = udmms[dmm].di; | |
127 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) | |
128 | return NULL; | |
129 | sdi->probes = g_slist_append(sdi->probes, probe); | |
130 | ||
131 | devc->usb = usb; | |
132 | ||
133 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
134 | devices = g_slist_append(devices, sdi); | |
135 | } | |
136 | ||
137 | return devices; | |
138 | } | |
139 | ||
140 | static GSList *hw_dev_list(int dmm) | |
141 | { | |
142 | return ((struct drv_context *)(udmms[dmm]->priv))->instances; | |
143 | } | |
144 | ||
145 | static int hw_dev_open(struct sr_dev_inst *sdi, int dmm) | |
146 | { | |
147 | struct drv_context *drvc; | |
148 | struct dev_context *devc; | |
149 | int ret; | |
150 | ||
151 | drvc = udmms[dmm].di->priv; | |
152 | devc = sdi->priv; | |
153 | ||
154 | if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, devc->usb)) == SR_OK) | |
155 | sdi->status = SR_ST_ACTIVE; | |
156 | ||
157 | return ret; | |
158 | } | |
159 | ||
160 | static int hw_dev_close(struct sr_dev_inst *sdi) | |
161 | { | |
162 | (void)sdi; | |
163 | ||
164 | /* TODO */ | |
165 | ||
166 | sdi->status = SR_ST_INACTIVE; | |
167 | ||
168 | return SR_OK; | |
169 | } | |
170 | ||
171 | static int hw_cleanup(int dmm) | |
172 | { | |
173 | clear_instances(dmm); | |
174 | ||
175 | return SR_OK; | |
176 | } | |
177 | ||
178 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi) | |
179 | { | |
180 | struct dev_context *devc; | |
181 | ||
182 | devc = sdi->priv; | |
183 | ||
184 | switch (id) { | |
185 | case SR_CONF_LIMIT_MSEC: | |
186 | /* TODO: Not yet implemented. */ | |
187 | if (g_variant_get_uint64(data) == 0) { | |
188 | sr_err("Time limit cannot be 0."); | |
189 | return SR_ERR; | |
190 | } | |
191 | devc->limit_msec = g_variant_get_uint64(data); | |
192 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
193 | devc->limit_msec); | |
194 | break; | |
195 | case SR_CONF_LIMIT_SAMPLES: | |
196 | if (g_variant_get_uint64(data) == 0) { | |
197 | sr_err("Sample limit cannot be 0."); | |
198 | return SR_ERR; | |
199 | } | |
200 | devc->limit_samples = g_variant_get_uint64(data); | |
201 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
202 | devc->limit_samples); | |
203 | break; | |
204 | default: | |
205 | return SR_ERR_NA; | |
206 | } | |
207 | ||
208 | return SR_OK; | |
209 | } | |
210 | ||
211 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi) | |
212 | { | |
213 | ||
214 | (void)sdi; | |
215 | ||
216 | switch (key) { | |
217 | case SR_CONF_SCAN_OPTIONS: | |
218 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
219 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
220 | break; | |
221 | case SR_CONF_DEVICE_OPTIONS: | |
222 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
223 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
224 | break; | |
225 | default: | |
226 | return SR_ERR_NA; | |
227 | } | |
228 | ||
229 | return SR_OK; | |
230 | } | |
231 | ||
232 | static int hw_dev_acquisition_start(const struct sr_dev_inst *sdi, | |
233 | void *cb_data, int dmm) | |
234 | { | |
235 | struct dev_context *devc; | |
236 | ||
237 | devc = sdi->priv; | |
238 | ||
239 | devc->cb_data = cb_data; | |
240 | ||
241 | /* Send header packet to the session bus. */ | |
242 | std_session_send_df_header(cb_data, DRIVER_LOG_DOMAIN); | |
243 | ||
244 | sr_source_add(0, 0, 10 /* poll_timeout */, | |
245 | udmms[dmm].receive_data, (void *)sdi); | |
246 | ||
247 | return SR_OK; | |
248 | } | |
249 | ||
250 | static int hw_dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
251 | { | |
252 | struct sr_datafeed_packet packet; | |
253 | ||
254 | (void)sdi; | |
255 | ||
256 | sr_dbg("Stopping acquisition."); | |
257 | ||
258 | /* Send end packet to the session bus. */ | |
259 | sr_dbg("Sending SR_DF_END."); | |
260 | packet.type = SR_DF_END; | |
261 | sr_session_send(cb_data, &packet); | |
262 | ||
263 | /* TODO? */ | |
264 | sr_source_remove(0); | |
265 | ||
266 | return SR_OK; | |
267 | } | |
268 | ||
269 | /* Driver-specific API function wrappers */ | |
270 | #define HW_INIT(X) \ | |
271 | static int hw_init_##X(struct sr_context *sr_ctx) { return hw_init(sr_ctx, X); } | |
272 | #define HW_CLEANUP(X) \ | |
273 | static int hw_cleanup_##X(void) { return hw_cleanup(X); } | |
274 | #define HW_SCAN(X) \ | |
275 | static GSList *hw_scan_##X(GSList *options) { return hw_scan(options, X); } | |
276 | #define HW_DEV_LIST(X) \ | |
277 | static GSList *hw_dev_list_##X(void) { return hw_dev_list(X); } | |
278 | #define CLEAR_INSTANCES(X) \ | |
279 | static int clear_instances_##X(void) { return clear_instances(X); } | |
280 | #define HW_DEV_ACQUISITION_START(X) \ | |
281 | static int hw_dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ | |
282 | void *cb_data) { return hw_dev_acquisition_start(sdi, cb_data, X); } | |
283 | #define HW_DEV_OPEN(X) \ | |
284 | static int hw_dev_open_##X(struct sr_dev_inst *sdi) { return hw_dev_open(sdi, X); } | |
285 | ||
286 | /* Driver structs and API function wrappers */ | |
287 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
288 | HW_INIT(ID_UPPER) \ | |
289 | HW_CLEANUP(ID_UPPER) \ | |
290 | HW_SCAN(ID_UPPER) \ | |
291 | HW_DEV_LIST(ID_UPPER) \ | |
292 | CLEAR_INSTANCES(ID_UPPER) \ | |
293 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
294 | HW_DEV_OPEN(ID_UPPER) \ | |
295 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
296 | .name = NAME, \ | |
297 | .longname = LONGNAME, \ | |
298 | .api_version = 1, \ | |
299 | .init = hw_init_##ID_UPPER, \ | |
300 | .cleanup = hw_cleanup_##ID_UPPER, \ | |
301 | .scan = hw_scan_##ID_UPPER, \ | |
302 | .dev_list = hw_dev_list_##ID_UPPER, \ | |
303 | .dev_clear = clear_instances_##ID_UPPER, \ | |
304 | .config_get = NULL, \ | |
305 | .config_set = config_set, \ | |
306 | .config_list = config_list, \ | |
307 | .dev_open = hw_dev_open_##ID_UPPER, \ | |
308 | .dev_close = hw_dev_close, \ | |
309 | .dev_acquisition_start = hw_dev_acquisition_start_##ID_UPPER, \ | |
310 | .dev_acquisition_stop = hw_dev_acquisition_stop, \ | |
311 | .priv = NULL, \ | |
312 | }; | |
313 | ||
314 | DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D") | |
315 | DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820") |