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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_ut60g_driver_info; | |
44 | SR_PRIV struct sr_dev_driver uni_t_ut61b_driver_info; | |
45 | SR_PRIV struct sr_dev_driver uni_t_ut61c_driver_info; | |
46 | SR_PRIV struct sr_dev_driver uni_t_ut61d_driver_info; | |
47 | SR_PRIV struct sr_dev_driver uni_t_ut61e_driver_info; | |
48 | SR_PRIV struct sr_dev_driver voltcraft_vc820_driver_info; | |
49 | SR_PRIV struct sr_dev_driver voltcraft_vc830_driver_info; | |
50 | SR_PRIV struct sr_dev_driver voltcraft_vc840_driver_info; | |
51 | SR_PRIV struct sr_dev_driver tenma_72_7745_driver_info; | |
52 | SR_PRIV struct sr_dev_driver tenma_72_7750_driver_info; | |
53 | ||
54 | SR_PRIV struct dmm_info udmms[] = { | |
55 | { | |
56 | "Tecpel", "DMM-8061", 2400, | |
57 | FS9721_PACKET_SIZE, | |
58 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
59 | sr_fs9721_00_temp_c, | |
60 | &tecpel_dmm_8061_driver_info, receive_data_TECPEL_DMM_8061, | |
61 | }, | |
62 | { | |
63 | "UNI-T", "UT60A", 2400, | |
64 | FS9721_PACKET_SIZE, | |
65 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
66 | NULL, | |
67 | &uni_t_ut60a_driver_info, receive_data_UNI_T_UT60A, | |
68 | }, | |
69 | { | |
70 | "UNI-T", "UT60E", 2400, | |
71 | FS9721_PACKET_SIZE, | |
72 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
73 | sr_fs9721_00_temp_c, | |
74 | &uni_t_ut60e_driver_info, receive_data_UNI_T_UT60E, | |
75 | }, | |
76 | { | |
77 | /* The baudrate is actually 19230, see "Note 1" below. */ | |
78 | "UNI-T", "UT60G", 19200, | |
79 | ES519XX_11B_PACKET_SIZE, | |
80 | sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse, | |
81 | NULL, | |
82 | &uni_t_ut60g_driver_info, receive_data_UNI_T_UT60G, | |
83 | }, | |
84 | { | |
85 | "UNI-T", "UT61B", 2400, | |
86 | FS9922_PACKET_SIZE, | |
87 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
88 | NULL, | |
89 | &uni_t_ut61b_driver_info, receive_data_UNI_T_UT61B, | |
90 | }, | |
91 | { | |
92 | "UNI-T", "UT61C", 2400, | |
93 | FS9922_PACKET_SIZE, | |
94 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
95 | NULL, | |
96 | &uni_t_ut61c_driver_info, receive_data_UNI_T_UT61C, | |
97 | }, | |
98 | { | |
99 | "UNI-T", "UT61D", 2400, | |
100 | FS9922_PACKET_SIZE, | |
101 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
102 | NULL, | |
103 | &uni_t_ut61d_driver_info, receive_data_UNI_T_UT61D, | |
104 | }, | |
105 | { | |
106 | /* The baudrate is actually 19230, see "Note 1" below. */ | |
107 | "UNI-T", "UT61E", 19200, | |
108 | ES519XX_14B_PACKET_SIZE, | |
109 | sr_es519xx_19200_14b_packet_valid, sr_es519xx_19200_14b_parse, | |
110 | NULL, | |
111 | &uni_t_ut61e_driver_info, receive_data_UNI_T_UT61E, | |
112 | }, | |
113 | { | |
114 | "Voltcraft", "VC-820", 2400, | |
115 | FS9721_PACKET_SIZE, | |
116 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
117 | NULL, | |
118 | &voltcraft_vc820_driver_info, receive_data_VOLTCRAFT_VC820, | |
119 | }, | |
120 | { | |
121 | /* | |
122 | * Note: The VC830 doesn't set the 'volt' and 'diode' bits of | |
123 | * the FS9922 protocol. Instead, it only sets the user-defined | |
124 | * bit "z1" to indicate "diode mode" and "voltage". | |
125 | */ | |
126 | "Voltcraft", "VC-830", 2400, | |
127 | FS9922_PACKET_SIZE, | |
128 | sr_fs9922_packet_valid, sr_fs9922_parse, | |
129 | &sr_fs9922_z1_diode, | |
130 | &voltcraft_vc830_driver_info, receive_data_VOLTCRAFT_VC830, | |
131 | }, | |
132 | { | |
133 | "Voltcraft", "VC-840", 2400, | |
134 | FS9721_PACKET_SIZE, | |
135 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
136 | sr_fs9721_00_temp_c, | |
137 | &voltcraft_vc840_driver_info, receive_data_VOLTCRAFT_VC840, | |
138 | }, | |
139 | { | |
140 | "Tenma", "72-7745", 2400, | |
141 | FS9721_PACKET_SIZE, | |
142 | sr_fs9721_packet_valid, sr_fs9721_parse, | |
143 | sr_fs9721_00_temp_c, | |
144 | &tenma_72_7745_driver_info, receive_data_TENMA_72_7745, | |
145 | }, | |
146 | { | |
147 | /* The baudrate is actually 19230, see "Note 1" below. */ | |
148 | "Tenma", "72-7750", 19200, | |
149 | ES519XX_11B_PACKET_SIZE, | |
150 | sr_es519xx_19200_11b_packet_valid, sr_es519xx_19200_11b_parse, | |
151 | NULL, | |
152 | &tenma_72_7750_driver_info, receive_data_TENMA_72_7750, | |
153 | }, | |
154 | }; | |
155 | ||
156 | /* | |
157 | * Note 1: The actual baudrate of the Cyrustek ES519xx chip used in this DMM | |
158 | * is 19230. However, the WCH CH9325 chip (UART to USB/HID) used in (some | |
159 | * versions of) the UNI-T UT-D04 cable doesn't support 19230 baud. It only | |
160 | * supports 19200, and setting an unsupported baudrate will result in the | |
161 | * default of 2400 being used (which will not work with this DMM, of course). | |
162 | */ | |
163 | ||
164 | static int dev_clear(int dmm) | |
165 | { | |
166 | return std_dev_clear(udmms[dmm].di, NULL); | |
167 | } | |
168 | ||
169 | static int init(struct sr_context *sr_ctx, int dmm) | |
170 | { | |
171 | sr_dbg("Selected '%s' subdriver.", udmms[dmm].di->name); | |
172 | ||
173 | return std_init(sr_ctx, udmms[dmm].di, LOG_PREFIX); | |
174 | } | |
175 | ||
176 | static GSList *scan(GSList *options, int dmm) | |
177 | { | |
178 | GSList *usb_devices, *devices, *l; | |
179 | struct sr_dev_inst *sdi; | |
180 | struct dev_context *devc; | |
181 | struct drv_context *drvc; | |
182 | struct sr_usb_dev_inst *usb; | |
183 | struct sr_config *src; | |
184 | struct sr_channel *ch; | |
185 | const char *conn; | |
186 | ||
187 | drvc = udmms[dmm].di->priv; | |
188 | ||
189 | conn = NULL; | |
190 | for (l = options; l; l = l->next) { | |
191 | src = l->data; | |
192 | switch (src->key) { | |
193 | case SR_CONF_CONN: | |
194 | conn = g_variant_get_string(src->data, NULL); | |
195 | break; | |
196 | } | |
197 | } | |
198 | if (!conn) | |
199 | return NULL; | |
200 | ||
201 | devices = NULL; | |
202 | if (!(usb_devices = sr_usb_find(drvc->sr_ctx->libusb_ctx, conn))) { | |
203 | g_slist_free_full(usb_devices, g_free); | |
204 | return NULL; | |
205 | } | |
206 | ||
207 | for (l = usb_devices; l; l = l->next) { | |
208 | usb = l->data; | |
209 | ||
210 | if (!(devc = g_try_malloc0(sizeof(struct dev_context)))) { | |
211 | sr_err("Device context malloc failed."); | |
212 | return NULL; | |
213 | } | |
214 | ||
215 | devc->first_run = TRUE; | |
216 | ||
217 | if (!(sdi = sr_dev_inst_new(0, SR_ST_INACTIVE, | |
218 | udmms[dmm].vendor, udmms[dmm].device, NULL))) { | |
219 | sr_err("sr_dev_inst_new returned NULL."); | |
220 | return NULL; | |
221 | } | |
222 | sdi->priv = devc; | |
223 | sdi->driver = udmms[dmm].di; | |
224 | if (!(ch = sr_channel_new(0, SR_CHANNEL_ANALOG, TRUE, "P1"))) | |
225 | return NULL; | |
226 | sdi->channels = g_slist_append(sdi->channels, ch); | |
227 | ||
228 | sdi->inst_type = SR_INST_USB; | |
229 | sdi->conn = usb; | |
230 | ||
231 | drvc->instances = g_slist_append(drvc->instances, sdi); | |
232 | devices = g_slist_append(devices, sdi); | |
233 | } | |
234 | ||
235 | return devices; | |
236 | } | |
237 | ||
238 | static GSList *dev_list(int dmm) | |
239 | { | |
240 | return ((struct drv_context *)(udmms[dmm].di->priv))->instances; | |
241 | } | |
242 | ||
243 | static int dev_open(struct sr_dev_inst *sdi, int dmm) | |
244 | { | |
245 | struct drv_context *drvc; | |
246 | struct sr_usb_dev_inst *usb; | |
247 | int ret; | |
248 | ||
249 | drvc = udmms[dmm].di->priv; | |
250 | usb = sdi->conn; | |
251 | ||
252 | if ((ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb)) == SR_OK) | |
253 | sdi->status = SR_ST_ACTIVE; | |
254 | ||
255 | return ret; | |
256 | } | |
257 | ||
258 | static int dev_close(struct sr_dev_inst *sdi) | |
259 | { | |
260 | /* TODO */ | |
261 | ||
262 | sdi->status = SR_ST_INACTIVE; | |
263 | ||
264 | return SR_OK; | |
265 | } | |
266 | ||
267 | static int cleanup(int dmm) | |
268 | { | |
269 | return dev_clear(dmm); | |
270 | } | |
271 | ||
272 | static int config_set(int id, GVariant *data, const struct sr_dev_inst *sdi, | |
273 | const struct sr_channel_group *cg) | |
274 | { | |
275 | struct dev_context *devc; | |
276 | ||
277 | (void)cg; | |
278 | ||
279 | devc = sdi->priv; | |
280 | ||
281 | switch (id) { | |
282 | case SR_CONF_LIMIT_MSEC: | |
283 | if (g_variant_get_uint64(data) == 0) { | |
284 | sr_err("Time limit cannot be 0."); | |
285 | return SR_ERR; | |
286 | } | |
287 | devc->limit_msec = g_variant_get_uint64(data); | |
288 | sr_dbg("Setting time limit to %" PRIu64 "ms.", | |
289 | devc->limit_msec); | |
290 | break; | |
291 | case SR_CONF_LIMIT_SAMPLES: | |
292 | if (g_variant_get_uint64(data) == 0) { | |
293 | sr_err("Sample limit cannot be 0."); | |
294 | return SR_ERR; | |
295 | } | |
296 | devc->limit_samples = g_variant_get_uint64(data); | |
297 | sr_dbg("Setting sample limit to %" PRIu64 ".", | |
298 | devc->limit_samples); | |
299 | break; | |
300 | default: | |
301 | return SR_ERR_NA; | |
302 | } | |
303 | ||
304 | return SR_OK; | |
305 | } | |
306 | ||
307 | static int config_list(int key, GVariant **data, const struct sr_dev_inst *sdi, | |
308 | const struct sr_channel_group *cg) | |
309 | { | |
310 | (void)sdi; | |
311 | (void)cg; | |
312 | ||
313 | switch (key) { | |
314 | case SR_CONF_SCAN_OPTIONS: | |
315 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
316 | hwopts, ARRAY_SIZE(hwopts), sizeof(int32_t)); | |
317 | break; | |
318 | case SR_CONF_DEVICE_OPTIONS: | |
319 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
320 | hwcaps, ARRAY_SIZE(hwcaps), sizeof(int32_t)); | |
321 | break; | |
322 | default: | |
323 | return SR_ERR_NA; | |
324 | } | |
325 | ||
326 | return SR_OK; | |
327 | } | |
328 | ||
329 | static int dev_acquisition_start(const struct sr_dev_inst *sdi, | |
330 | void *cb_data, int dmm) | |
331 | { | |
332 | struct dev_context *devc; | |
333 | ||
334 | devc = sdi->priv; | |
335 | ||
336 | devc->cb_data = cb_data; | |
337 | ||
338 | devc->starttime = g_get_monotonic_time(); | |
339 | ||
340 | /* Send header packet to the session bus. */ | |
341 | std_session_send_df_header(cb_data, LOG_PREFIX); | |
342 | ||
343 | sr_source_add(0, 0, 10 /* poll_timeout */, | |
344 | udmms[dmm].receive_data, (void *)sdi); | |
345 | ||
346 | return SR_OK; | |
347 | } | |
348 | ||
349 | static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data) | |
350 | { | |
351 | struct sr_datafeed_packet packet; | |
352 | ||
353 | (void)sdi; | |
354 | ||
355 | sr_dbg("Stopping acquisition."); | |
356 | ||
357 | /* Send end packet to the session bus. */ | |
358 | sr_dbg("Sending SR_DF_END."); | |
359 | packet.type = SR_DF_END; | |
360 | sr_session_send(cb_data, &packet); | |
361 | ||
362 | /* TODO? */ | |
363 | sr_source_remove(0); | |
364 | ||
365 | return SR_OK; | |
366 | } | |
367 | ||
368 | /* Driver-specific API function wrappers */ | |
369 | #define HW_INIT(X) \ | |
370 | static int init_##X(struct sr_context *sr_ctx) { return init(sr_ctx, X); } | |
371 | #define HW_CLEANUP(X) \ | |
372 | static int cleanup_##X(void) { return cleanup(X); } | |
373 | #define HW_SCAN(X) \ | |
374 | static GSList *scan_##X(GSList *options) { return scan(options, X); } | |
375 | #define HW_DEV_LIST(X) \ | |
376 | static GSList *dev_list_##X(void) { return dev_list(X); } | |
377 | #define HW_DEV_CLEAR(X) \ | |
378 | static int dev_clear_##X(void) { return dev_clear(X); } | |
379 | #define HW_DEV_ACQUISITION_START(X) \ | |
380 | static int dev_acquisition_start_##X(const struct sr_dev_inst *sdi, \ | |
381 | void *cb_data) { return dev_acquisition_start(sdi, cb_data, X); } | |
382 | #define HW_DEV_OPEN(X) \ | |
383 | static int dev_open_##X(struct sr_dev_inst *sdi) { return dev_open(sdi, X); } | |
384 | ||
385 | /* Driver structs and API function wrappers */ | |
386 | #define DRV(ID, ID_UPPER, NAME, LONGNAME) \ | |
387 | HW_INIT(ID_UPPER) \ | |
388 | HW_CLEANUP(ID_UPPER) \ | |
389 | HW_SCAN(ID_UPPER) \ | |
390 | HW_DEV_LIST(ID_UPPER) \ | |
391 | HW_DEV_CLEAR(ID_UPPER) \ | |
392 | HW_DEV_ACQUISITION_START(ID_UPPER) \ | |
393 | HW_DEV_OPEN(ID_UPPER) \ | |
394 | SR_PRIV struct sr_dev_driver ID##_driver_info = { \ | |
395 | .name = NAME, \ | |
396 | .longname = LONGNAME, \ | |
397 | .api_version = 1, \ | |
398 | .init = init_##ID_UPPER, \ | |
399 | .cleanup = cleanup_##ID_UPPER, \ | |
400 | .scan = scan_##ID_UPPER, \ | |
401 | .dev_list = dev_list_##ID_UPPER, \ | |
402 | .dev_clear = dev_clear_##ID_UPPER, \ | |
403 | .config_get = NULL, \ | |
404 | .config_set = config_set, \ | |
405 | .config_list = config_list, \ | |
406 | .dev_open = dev_open_##ID_UPPER, \ | |
407 | .dev_close = dev_close, \ | |
408 | .dev_acquisition_start = dev_acquisition_start_##ID_UPPER, \ | |
409 | .dev_acquisition_stop = dev_acquisition_stop, \ | |
410 | .priv = NULL, \ | |
411 | }; | |
412 | ||
413 | DRV(tecpel_dmm_8061, TECPEL_DMM_8061, "tecpel-dmm-8061", "Tecpel DMM-8061") | |
414 | DRV(uni_t_ut60a, UNI_T_UT60A, "uni-t-ut60a", "UNI-T UT60A") | |
415 | DRV(uni_t_ut60e, UNI_T_UT60E, "uni-t-ut60e", "UNI-T UT60E") | |
416 | DRV(uni_t_ut60g, UNI_T_UT60G, "uni-t-ut60g", "UNI-T UT60G") | |
417 | DRV(uni_t_ut61b, UNI_T_UT61B, "uni-t-ut61b", "UNI-T UT61B") | |
418 | DRV(uni_t_ut61c, UNI_T_UT61C, "uni-t-ut61c", "UNI-T UT61C") | |
419 | DRV(uni_t_ut61d, UNI_T_UT61D, "uni-t-ut61d", "UNI-T UT61D") | |
420 | DRV(uni_t_ut61e, UNI_T_UT61E, "uni-t-ut61e", "UNI-T UT61E") | |
421 | DRV(voltcraft_vc820, VOLTCRAFT_VC820, "voltcraft-vc820", "Voltcraft VC-820") | |
422 | DRV(voltcraft_vc830, VOLTCRAFT_VC830, "voltcraft-vc830", "Voltcraft VC-830") | |
423 | DRV(voltcraft_vc840, VOLTCRAFT_VC840, "voltcraft-vc840", "Voltcraft VC-840") | |
424 | DRV(tenma_72_7745, TENMA_72_7745, "tenma-72-7745", "Tenma 72-7745") | |
425 | DRV(tenma_72_7750, TENMA_72_7750, "tenma-72-7750", "Tenma 72-7750") |