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1 | /* | |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2012-2013 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 tecpel_dmm_8061_driver_info; | |
41 | SR_PRIV struct sr_dev_driver uni_t_ut60a_driver_info; | |
42 | SR_PRIV struct sr_dev_driver uni_t_ut60e_driver_info; | |
43 | SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; | |
44 | SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info; | |
45 | SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; | |
46 | SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info; | |
47 | SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info; | |
48 | SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info; | |
49 | ||
50 | SR_PRIV struct dmm_info udmms[] = { | |
51 | { | |
52 | "Tecpel", "DMM-8061", 2400, | |
53 | FS9721_PACKET_SIZE, | |
54 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
55 | sr_fs9721_00_temp_c, | |
56 | &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061, | |
57 | }, | |
58 | { | |
59 | "UNI-T", "UT60A", 2400, | |
60 | FS9721_PACKET_SIZE, | |
61 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
62 | NULL, | |
63 | &uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A, | |
64 | }, | |
65 | { | |
66 | "UNI-T", "UT60E", 2400, | |
67 | FS9721_PACKET_SIZE, | |
68 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
69 | sr_fs9721_00_temp_c, | |
70 | &uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E, | |
71 | }, | |
72 | { | |
73 | "UNI-T", "UT61D", 2400, | |
74 | FS9922_PACKET_SIZE, | |
75 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
76 | NULL, | |
77 | &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D, | |
78 | }, | |
79 | { | |
80 | /* | |
81 | * Important: The actual baudrate of the Cyrustek ES51922 chip | |
82 | * used in this DMM is 19230. However, the WCH CH9325 chip | |
83 | * (UART to USB/HID) used in (some versions of) the UNI-T | |
84 | * UT-D04 cable doesn't support 19230 baud. It only supports | |
85 | * 19200, and setting an unsupported baudrate will result in | |
86 | * the default of 2400 being used (which will not work with | |
87 | * this DMM, of course). | |
88 | */ | |
89 | "UNI-T", "UT61E", 19200, | |
90 | ES51922_PACKET_SIZE, | |
91 | sr_es51922_packet_valid, sr_es51922_parse, | |
92 | NULL, | |
93 | &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E, | |
94 | }, | |
95 | { | |
96 | "Voltcraft", "VC-820", 2400, | |
97 | FS9721_PACKET_SIZE, | |
98 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
99 | NULL, | |
100 | &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820, | |
101 | }, | |
102 | { | |
103 | /* | |
104 | * Note: The VC830 doesn't set the 'volt' and 'diode' bits of | |
105 | * the FS9922 protocol. Instead, it only sets the user-defined | |
106 | * bit "z1" to indicate "diode mode" and "voltage". | |
107 | */ | |
108 | "Voltcraft", "VC-830", 2400, | |
109 | FS9922_PACKET_SIZE, | |
110 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
111 | &sr_fs9922_z1_diode, | |
112 | &voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830, | |
113 | }, | |
114 | { | |
115 | "Voltcraft", "VC-840", 2400, | |
116 | FS9721_PACKET_SIZE, | |
117 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
118 | sr_fs9721_00_temp_c, | |
119 | &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840, | |
120 | }, | |
121 | { | |
122 | "Tenma", "72-7745", 2400, | |
123 | FS9721_PACKET_SIZE, | |
124 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
125 | sr_fs9721_00_temp_c, | |
126 | &tenma_72_7745_driver_info, | |
127 | /* This is a basic rebadge of the UT60E. */ | |
128 | receive_data_UNI_T_UT60E, | |
129 | }, | |
130 | }; | |
131 | ||
132 | static int dev_clear(int dmm) | |
133 | { | |
134 | return std_dev_clear(udmms[dmm].di, NULL); | |
135 | } | |
136 | ||
137 | static int init(struct sr_context *sr_ctx, int dmm) | |
138 | { | |
139 | sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name); | |
140 | ||
141 | return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX); | |
142 | } | |
143 | ||
144 | static GSList *scan(GSList *options, int dmm) | |
145 | { | |
146 | GSList *usb_devices, *devices, *l; | |
147 | struct sr_dev_inst *sdi; | |
148 | struct dev_context *devc; | |
149 | struct drv_context *drvc; | |
150 | struct sr_usb_dev_inst *usb; | |
151 | struct sr_config *src; | |
152 | struct sr_probe *probe; | |
153 | const char *conn; | |
154 | ||
155 | drvc = udmms[dmm].di->priv; | |
156 | ||
157 | conn = NULL; | |
158 | for (l = options; l; l = l->next) { | |
159 | src = l->data; | |
160 | switch (src->key) { | |
161 | case SR_CONF_CONN: | |
162 | conn = g_variant_get_string(src->data, NULL); | |
163 | break; | |
164 | } | |
165 | } | |
166 | if (!conn) | |
167 | return NULL; | |
168 | ||
169 | devices = NULL; | |
170 | if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { | |
171 | g_slist_free_full(usb_devices, g_free); | |
172 | return NULL; | |
173 | } | |
174 | ||
175 | for (l = usb_devices; l; l = l->next) { | |
176 | usb = l->data; | |
177 | ||
178 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
179 | sr_err("Device context malloc failed."); | |
180 | return NULL; | |
181 | } | |
182 | ||
183 | devc->first_run = TRUE; | |
184 | ||
185 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
186 | udmms[dmm].vendor, udmms[dmm].device, NULL))) { | |
187 | sr_err("sr_dev_inst_new returned NULL."); | |
188 | return NULL; | |
189 | } | |
190 | sdi->priv = devc; | |
191 | sdi->driver = udmms[dmm].di; | |
192 | if (!(probe = sr_probe_new(0, SR_PROBE_ANALOG, TRUE, "P1"))) | |
193 | return NULL; | |
194 | sdi->probes = g_slist_append(sdi->probes, probe); | |
195 | ||
196 | sdi->inst_type = SR_INST_USB; | |
197 | sdi->conn = usb; | |
198 | ||
199 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
200 | devices = g_slist_append(devices, sdi); | |
201 | } | |
202 | ||
203 | return devices; | |
204 | } | |
205 | ||
206 | static GSList *dev_list(int dmm) | |
207 | { | |
208 | return ((struct drv_context *)(udmms[dmm].di->priv))->instances; | |
209 | } | |
210 | ||
211 | static int dev_open(struct sr_dev_inst *sdi, int dmm) | |
212 | { | |
213 | struct drv_context *drvc; | |
214 | struct sr_usb_dev_inst *usb; | |
215 | int ret; | |
216 | ||
217 | drvc = udmms[dmm].di->priv; | |
218 | usb = sdi->conn; | |
219 | ||
220 | if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK) | |
221 | sdi->status = SR_ST_ACTIVE; | |
222 | ||
223 | return ret; | |
224 | } | |
225 | ||
226 | static int dev_close(struct sr_dev_inst *sdi) | |
227 | { | |
228 | (void)sdi; | |
229 | ||
230 | /* TODO */ | |
231 | ||
232 | sdi->status = SR_ST_INACTIVE; | |
233 | ||
234 | return SR_OK; | |
235 | } | |
236 | ||
237 | static int cleanup(int dmm) | |
238 | { | |
239 | return dev_clear(dmm); | |
240 | } | |
241 | ||
242 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, | |
243 | const struct sr_probe_group *probe_group) | |
244 | { | |
245 | struct dev_context *devc; | |
246 | ||
247 | (void)probe_group; | |
248 | ||
249 | devc = sdi->priv; | |
250 | ||
251 | switch (id) { | |
252 | case SR_CONF_LIMIT_MSEC: | |
253 | if (g_variant_get_uint64(data) == 0) { | |
254 | sr_err("Time limit cannot be 0."); | |
255 | return SR_ERR; | |
256 | } | |
257 | devc->limit_msec = g_variant_get_uint64(data); | |
258 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
259 | devc->limit_msec); | |
260 | break; | |
261 | case SR_CONF_LIMIT_SAMPLES: | |
262 | if (g_variant_get_uint64(data) == 0) { | |
263 | sr_err("Sample limit cannot be 0."); | |
264 | return SR_ERR; | |
265 | } | |
266 | devc->limit_samples = g_variant_get_uint64(data); | |
267 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
268 | devc->limit_samples); | |
269 | break; | |
270 | default: | |
271 | return SR_ERR_NA; | |
272 | } | |
273 | ||
274 | return SR_OK; | |
275 | } | |
276 | ||
277 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
278 | const struct sr_probe_group *probe_group) | |
279 | { | |
280 | (void)sdi; | |
281 | (void)probe_group; | |
282 | ||
283 | switch (key) { | |
284 | case SR_CONF_SCAN_OPTIONS: | |
285 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
286 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
287 | break; | |
288 | case SR_CONF_DEVICE_OPTIONS: | |
289 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
290 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
291 | break; | |
292 | default: | |
293 | return SR_ERR_NA; | |
294 | } | |
295 | ||
296 | return SR_OK; | |
297 | } | |
298 | ||
299 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
300 | void *cb_data, int dmm) | |
301 | { | |
302 | struct dev_context *devc; | |
303 | ||
304 | devc = sdi->priv; | |
305 | ||
306 | devc->cb_data = cb_data; | |
307 | ||
308 | devc->starttime = g_get_monotonic_time(); | |
309 | ||
310 | /* Send header packet to the session bus. */ | |
311 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
312 | ||
313 | sr_source_add(0, 0, 10 /* poll_timeout */, | |
314 | udmms[dmm].receive_data, (void *)sdi); | |
315 | ||
316 | return SR_OK; | |
317 | } | |
318 | ||
319 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
320 | { | |
321 | struct sr_datafeed_packet packet; | |
322 | ||
323 | (void)sdi; | |
324 | ||
325 | sr_dbg("Stopping acquisition."); | |
326 | ||
327 | /* Send end packet to the session bus. */ | |
328 | sr_dbg("Sending SR_DF_END."); | |
329 | packet.type = SR_DF_END; | |
330 | sr_session_send(cb_data, &packet); | |
331 | ||
332 | /* TODO? */ | |
333 | sr_source_remove(0); | |
334 | ||
335 | return SR_OK; | |
336 | } | |
337 | ||
338 | /* Driver-specific API function wrappers */ | |
339 | #define HW_INIT(X) \ | |
340 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } | |
341 | #define HW_CLEANUP(X) \ | |
342 | static int cleanup_##X(void) { return cleanup(X); } | |
343 | #define HW_SCAN(X) \ | |
344 | static GSList *scan_##X(GSList *options) { return scan(options, X); } | |
345 | #define HW_DEV_LIST(X) \ | |
346 | static GSList *dev_list_##X(void) { return dev_list(X); } | |
347 | #define HW_DEV_CLEAR(X) \ | |
348 | static int dev_clear_##X(void) { return dev_clear(X); } | |
349 | #define HW_DEV_ACQUISITION_START(X) \ | |
350 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ | |
351 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
352 | #define HW_DEV_OPEN(X) \ | |
353 | static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); } | |
354 | ||
355 | /* Driver structs and API function wrappers */ | |
356 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
357 | HW_INIT(ID_UPPER) \ | |
358 | HW_CLEANUP(ID_UPPER) \ | |
359 | HW_SCAN(ID_UPPER) \ | |
360 | HW_DEV_LIST(ID_UPPER) \ | |
361 | HW_DEV_CLEAR(ID_UPPER) \ | |
362 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
363 | HW_DEV_OPEN(ID_UPPER) \ | |
364 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
365 | .name = NAME, \ | |
366 | .longname = LONGNAME, \ | |
367 | .api_version = 1, \ | |
368 | .init = init_##ID_UPPER, \ | |
369 | .cleanup = cleanup_##ID_UPPER, \ | |
370 | .scan = scan_##ID_UPPER, \ | |
371 | .dev_list = dev_list_##ID_UPPER, \ | |
372 | .dev_clear = dev_clear_##ID_UPPER, \ | |
373 | .config_get = NULL, \ | |
374 | .config_set = config_set, \ | |
375 | .config_list = config_list, \ | |
376 | .dev_open = dev_open_##ID_UPPER, \ | |
377 | .dev_close = dev_close, \ | |
378 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ | |
379 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
380 | .priv = NULL, \ | |
381 | }; | |
382 | ||
383 | DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061") | |
384 | DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A") | |
385 | DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E") | |
386 | DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D") | |
387 | DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E") | |
388 | DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820") | |
389 | DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830") | |
390 | DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840") | |
391 | DRV(tenma_72_7745, TENMA_72_7745, "tenma-72-7745", "Tenma 72-7745") |