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Commit | Line | Data |
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a1bb33af | 1 | /* |
50985c20 | 2 | * This file is part of the libsigrok project. |
a1bb33af | 3 | * |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
a1bb33af UH |
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 3 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, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
6ec6c43b | 20 | #include <config.h> |
6d116114 | 21 | #include "protocol.h" |
a1bb33af | 22 | |
a1bb33af UH |
23 | #define USB_INTERFACE 0 |
24 | #define USB_CONFIGURATION 1 | |
25 | #define NUM_TRIGGER_STAGES 4 | |
fed16f06 | 26 | #define PACKET_SIZE 2048 /* ?? */ |
a1bb33af | 27 | |
0ab0cb94 TY |
28 | //#define ZP_EXPERIMENTAL |
29 | ||
e495a676 UH |
30 | struct zp_model { |
31 | uint16_t vid; | |
32 | uint16_t pid; | |
2c240774 | 33 | const char *model_name; |
a1bb33af | 34 | unsigned int channels; |
fed16f06 | 35 | unsigned int sample_depth; /* In Ksamples/channel */ |
a1bb33af | 36 | unsigned int max_sampling_freq; |
e495a676 | 37 | }; |
a1bb33af | 38 | |
fed16f06 UH |
39 | /* |
40 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
41 | * same 128K sample depth. | |
42 | */ | |
e495a676 | 43 | static const struct zp_model zeroplus_models[] = { |
9e5670d0 | 44 | {0x0c12, 0x7002, "LAP-16128U", 16, 128, 200}, |
be619379 | 45 | {0x0c12, 0x7007, "LAP-16032U", 16, 32, 200}, |
428edbe1 | 46 | {0x0c12, 0x7009, "LAP-C(16064)", 16, 64, 100}, |
e495a676 | 47 | {0x0c12, 0x700a, "LAP-C(16128)", 16, 128, 200}, |
5db0c668 RD |
48 | {0x0c12, 0x700b, "LAP-C(32128)", 32, 128, 200}, |
49 | {0x0c12, 0x700c, "LAP-C(321000)", 32, 1024, 200}, | |
50 | {0x0c12, 0x700d, "LAP-C(322000)", 32, 2048, 200}, | |
e495a676 | 51 | {0x0c12, 0x700e, "LAP-C(16032)", 16, 32, 100}, |
428edbe1 | 52 | {0x0c12, 0x7016, "LAP-C(162000)", 16, 2048, 200}, |
6605f1b9 | 53 | {0x0c12, 0x7025, "LAP-C(16128+)", 16, 128, 200}, |
8e45ba3f | 54 | {0x0c12, 0x7064, "Logian-16L", 16, 128, 200}, |
fb1d341d | 55 | {0x0c12, 0x7100, "AKIP-9101", 16, 256, 200}, |
9e9dba7b | 56 | ALL_ZERO |
a1bb33af UH |
57 | }; |
58 | ||
716d6dfc | 59 | static const uint32_t drvopts[] = { |
1953564a | 60 | SR_CONF_LOGIC_ANALYZER, |
716d6dfc YS |
61 | }; |
62 | ||
63 | static const uint32_t devopts[] = { | |
5827f61b BV |
64 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST, |
65 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
66 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
67 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
68 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
a1bb33af UH |
69 | }; |
70 | ||
28731bab BV |
71 | static const int32_t trigger_matches[] = { |
72 | SR_TRIGGER_ZERO, | |
73 | SR_TRIGGER_ONE, | |
88daa053 JM |
74 | SR_TRIGGER_RISING, |
75 | SR_TRIGGER_FALLING, | |
76 | SR_TRIGGER_EDGE, | |
28731bab BV |
77 | }; |
78 | ||
d261dbbf | 79 | /* |
ba7dd8bb | 80 | * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7. |
d261dbbf UH |
81 | * We currently ignore other untested/unsupported devices here. |
82 | */ | |
ba7dd8bb | 83 | static const char *channel_names[] = { |
78693401 UH |
84 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", |
85 | "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", | |
5db0c668 RD |
86 | "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", |
87 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
464d12c7 KS |
88 | }; |
89 | ||
fed16f06 UH |
90 | /* |
91 | * The hardware supports more samplerates than these, but these are the | |
92 | * options hardcoded into the vendor's Windows GUI. | |
93 | */ | |
a1bb33af | 94 | |
8386096f | 95 | static const uint64_t samplerates_100[] = { |
17548571 UH |
96 | SR_HZ(100), |
97 | SR_HZ(500), | |
98 | SR_KHZ(1), | |
99 | SR_KHZ(5), | |
100 | SR_KHZ(25), | |
101 | SR_KHZ(50), | |
102 | SR_KHZ(100), | |
103 | SR_KHZ(200), | |
104 | SR_KHZ(400), | |
105 | SR_KHZ(800), | |
106 | SR_MHZ(1), | |
107 | SR_MHZ(10), | |
108 | SR_MHZ(25), | |
109 | SR_MHZ(50), | |
110 | SR_MHZ(80), | |
111 | SR_MHZ(100), | |
17548571 UH |
112 | }; |
113 | ||
8386096f | 114 | const uint64_t samplerates_200[] = { |
c9140419 UH |
115 | SR_HZ(100), |
116 | SR_HZ(500), | |
59df0c77 UH |
117 | SR_KHZ(1), |
118 | SR_KHZ(5), | |
119 | SR_KHZ(25), | |
120 | SR_KHZ(50), | |
121 | SR_KHZ(100), | |
122 | SR_KHZ(200), | |
123 | SR_KHZ(400), | |
124 | SR_KHZ(800), | |
125 | SR_MHZ(1), | |
126 | SR_MHZ(10), | |
127 | SR_MHZ(25), | |
128 | SR_MHZ(50), | |
129 | SR_MHZ(80), | |
130 | SR_MHZ(100), | |
131 | SR_MHZ(150), | |
132 | SR_MHZ(200), | |
bf43ea23 | 133 | }; |
a1bb33af | 134 | |
3316e149 BV |
135 | SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate) |
136 | { | |
137 | int i; | |
138 | ||
139 | for (i = 0; ARRAY_SIZE(samplerates_200); i++) | |
140 | if (samplerate == samplerates_200[i]) | |
141 | break; | |
142 | ||
143 | if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) { | |
144 | sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate); | |
145 | return SR_ERR_ARG; | |
146 | } | |
147 | ||
148 | sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
149 | ||
150 | if (samplerate >= SR_MHZ(1)) | |
151 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
152 | else if (samplerate >= SR_KHZ(1)) | |
153 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
154 | else | |
155 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
156 | ||
157 | devc->cur_samplerate = samplerate; | |
158 | ||
159 | return SR_OK; | |
160 | } | |
161 | ||
4f840ce9 | 162 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
a1bb33af | 163 | { |
d68e2d1a | 164 | struct sr_dev_inst *sdi; |
310e9e9b BV |
165 | struct drv_context *drvc; |
166 | struct dev_context *devc; | |
e495a676 | 167 | const struct zp_model *prof; |
a1bb33af | 168 | struct libusb_device_descriptor des; |
ee4f9bb1 | 169 | struct libusb_device_handle *hdl; |
a1bb33af | 170 | libusb_device **devlist; |
428edbe1 | 171 | GSList *devices; |
076d59b7 GS |
172 | int ret; |
173 | size_t i, j; | |
174 | uint8_t bus, addr; | |
fd86380b | 175 | const struct zp_model *check; |
ee4f9bb1 | 176 | char serial_num[64], connection_id[64]; |
a1bb33af | 177 | |
4ca38984 | 178 | (void)options; |
64d33dc2 | 179 | |
41812aca | 180 | drvc = di->context; |
4b97c74e | 181 | |
4ca38984 BV |
182 | devices = NULL; |
183 | ||
8fdecced | 184 | /* Find all ZEROPLUS analyzers and add them to device list. */ |
d4abb463 | 185 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */ |
fed16f06 | 186 | for (i = 0; devlist[i]; i++) { |
2a8f2d41 | 187 | libusb_get_device_descriptor(devlist[i], &des); |
a1bb33af | 188 | |
fd86380b GS |
189 | /* |
190 | * Check for expected VID:PID first as soon as we got | |
191 | * the descriptor's content. This avoids access to flaky | |
192 | * unrelated devices which trouble the application even | |
193 | * if they are unrelated to measurement purposes. | |
194 | * | |
195 | * See https://sigrok.org/bugzilla/show_bug.cgi?id=1115 | |
196 | * and https://github.com/sigrokproject/libsigrok/pull/165 | |
197 | * for a discussion. | |
198 | */ | |
199 | prof = NULL; | |
200 | for (j = 0; zeroplus_models[j].vid; j++) { | |
201 | check = &zeroplus_models[j]; | |
202 | if (des.idVendor != check->vid) | |
203 | continue; | |
204 | if (des.idProduct != check->pid) | |
205 | continue; | |
206 | prof = check; | |
207 | break; | |
208 | } | |
209 | if (!prof) | |
210 | continue; | |
211 | ||
212 | /* Get the device's serial number from USB strings. */ | |
076d59b7 GS |
213 | ret = libusb_open(devlist[i], &hdl); |
214 | if (ret < 0) | |
ee4f9bb1 SA |
215 | continue; |
216 | ||
076d59b7 GS |
217 | serial_num[0] = '\0'; |
218 | if (des.iSerialNumber != 0) { | |
219 | ret = libusb_get_string_descriptor_ascii(hdl, | |
220 | des.iSerialNumber, | |
221 | (uint8_t *)serial_num, sizeof(serial_num)); | |
222 | if (ret < 0) { | |
223 | sr_warn("Cannot get USB serial number: %s.", | |
224 | libusb_error_name(ret)); | |
225 | continue; | |
226 | } | |
ee4f9bb1 SA |
227 | } |
228 | ||
229 | libusb_close(hdl); | |
230 | ||
6c1a76d1 RT |
231 | if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0) |
232 | continue; | |
ee4f9bb1 | 233 | |
e495a676 | 234 | sr_info("Found ZEROPLUS %s.", prof->model_name); |
428edbe1 | 235 | |
076d59b7 | 236 | sdi = g_malloc0(sizeof(*sdi)); |
0af636be | 237 | sdi->status = SR_ST_INACTIVE; |
b15ff1c9 | 238 | sdi->vendor = g_strdup("ZEROPLUS"); |
0af636be | 239 | sdi->model = g_strdup(prof->model_name); |
ee4f9bb1 SA |
240 | sdi->serial_num = g_strdup(serial_num); |
241 | sdi->connection_id = g_strdup(connection_id); | |
428edbe1 | 242 | |
076d59b7 GS |
243 | bus = libusb_get_bus_number(devlist[i]); |
244 | addr = libusb_get_device_address(devlist[i]); | |
245 | sdi->inst_type = SR_INST_USB; | |
246 | sdi->conn = sr_usb_dev_inst_new(bus, addr, NULL); | |
247 | ||
248 | devc = g_malloc0(sizeof(*devc)); | |
310e9e9b | 249 | sdi->priv = devc; |
17548571 | 250 | devc->prof = prof; |
310e9e9b | 251 | devc->num_channels = prof->channels; |
0ab0cb94 | 252 | #ifdef ZP_EXPERIMENTAL |
e93fb98b | 253 | devc->max_sample_depth = 128 * 1024; |
0ab0cb94 TY |
254 | devc->max_samplerate = 200; |
255 | #else | |
e93fb98b | 256 | devc->max_sample_depth = prof->sample_depth * 1024; |
0ab0cb94 TY |
257 | devc->max_samplerate = prof->max_sampling_freq; |
258 | #endif | |
259 | devc->max_samplerate *= SR_MHZ(1); | |
260 | devc->memory_size = MEMORY_SIZE_8K; | |
428edbe1 | 261 | |
076d59b7 | 262 | for (j = 0; j < devc->num_channels; j++) { |
5e23fcab | 263 | sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, |
c368e6f3 | 264 | channel_names[j]); |
076d59b7 | 265 | } |
428edbe1 BV |
266 | |
267 | devices = g_slist_append(devices, sdi); | |
a1bb33af UH |
268 | } |
269 | libusb_free_device_list(devlist, 1); | |
270 | ||
15a5bfe4 | 271 | return std_scan_complete(di, devices); |
a1bb33af UH |
272 | } |
273 | ||
6078d2c9 | 274 | static int dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 275 | { |
4f840ce9 | 276 | struct sr_dev_driver *di = sdi->driver; |
310e9e9b | 277 | struct dev_context *devc; |
e495a676 | 278 | struct drv_context *drvc; |
609bfd75 | 279 | struct sr_usb_dev_inst *usb; |
87629577 | 280 | int ret; |
a1bb33af | 281 | |
41812aca | 282 | drvc = di->context; |
609bfd75 | 283 | usb = sdi->conn; |
61c90858 | 284 | devc = sdi->priv; |
bf43ea23 | 285 | |
87629577 LPC |
286 | ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb); |
287 | if (ret != SR_OK) | |
288 | return ret; | |
428edbe1 | 289 | |
609bfd75 | 290 | ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION); |
ebc34738 | 291 | if (ret < 0) { |
6d116114 | 292 | sr_err("Unable to set USB configuration %d: %s.", |
d4928d71 | 293 | USB_CONFIGURATION, libusb_error_name(ret)); |
185ae2c5 UH |
294 | return SR_ERR; |
295 | } | |
296 | ||
609bfd75 | 297 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 298 | if (ret != 0) { |
6d116114 | 299 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 300 | libusb_error_name(ret)); |
e46b8fb1 | 301 | return SR_ERR; |
a1bb33af | 302 | } |
185ae2c5 | 303 | |
e495a676 | 304 | /* Set default configuration after power on. */ |
609bfd75 BV |
305 | if (analyzer_read_status(usb->devhdl) == 0) |
306 | analyzer_configure(usb->devhdl); | |
0ab0cb94 | 307 | |
609bfd75 BV |
308 | analyzer_reset(usb->devhdl); |
309 | analyzer_initialize(usb->devhdl); | |
a1bb33af | 310 | |
0ab0cb94 | 311 | //analyzer_set_memory_size(MEMORY_SIZE_512K); |
fed16f06 | 312 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 313 | analyzer_set_trigger_count(1); |
408e7199 UH |
314 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
315 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
a1bb33af | 316 | |
fed16f06 UH |
317 | #if 0 |
318 | if (g_double_mode == 1) | |
a1bb33af UH |
319 | analyzer_set_compression(COMPRESSION_DOUBLE); |
320 | else if (g_compression == 1) | |
321 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
322 | else |
323 | #endif | |
324 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 325 | |
310e9e9b | 326 | if (devc->cur_samplerate == 0) { |
0ab0cb94 TY |
327 | /* Samplerate hasn't been set. Default to 1MHz. */ |
328 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
329 | devc->cur_samplerate = SR_MHZ(1); | |
a1bb33af UH |
330 | } |
331 | ||
7142d6b9 RD |
332 | if (devc->cur_threshold == 0) |
333 | set_voltage_threshold(devc, 1.5); | |
334 | ||
e46b8fb1 | 335 | return SR_OK; |
a1bb33af UH |
336 | } |
337 | ||
6078d2c9 | 338 | static int dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 339 | { |
609bfd75 | 340 | struct sr_usb_dev_inst *usb; |
a1bb33af | 341 | |
609bfd75 | 342 | usb = sdi->conn; |
697785d1 | 343 | |
609bfd75 | 344 | if (!usb->devhdl) |
f1ba6b4b | 345 | return SR_ERR_BUG; |
25a0f108 | 346 | |
ee4f9bb1 SA |
347 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", |
348 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
609bfd75 BV |
349 | libusb_release_interface(usb->devhdl, USB_INTERFACE); |
350 | libusb_reset_device(usb->devhdl); | |
351 | libusb_close(usb->devhdl); | |
352 | usb->devhdl = NULL; | |
697785d1 UH |
353 | |
354 | return SR_OK; | |
a1bb33af UH |
355 | } |
356 | ||
dd7a72ea UH |
357 | static int config_get(uint32_t key, GVariant **data, |
358 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1bb33af | 359 | { |
310e9e9b | 360 | struct dev_context *devc; |
a1bb33af | 361 | |
53b4680f | 362 | (void)cg; |
8f996b89 | 363 | |
dcd438ee UH |
364 | if (!sdi) |
365 | return SR_ERR_ARG; | |
366 | ||
367 | devc = sdi->priv; | |
368 | ||
584560f1 | 369 | switch (key) { |
123e1313 | 370 | case SR_CONF_SAMPLERATE: |
dcd438ee | 371 | *data = g_variant_new_uint64(devc->cur_samplerate); |
bf43ea23 | 372 | break; |
05f853b5 | 373 | case SR_CONF_CAPTURE_RATIO: |
dcd438ee | 374 | *data = g_variant_new_uint64(devc->capture_ratio); |
05f853b5 | 375 | break; |
7142d6b9 | 376 | case SR_CONF_VOLTAGE_THRESHOLD: |
43995cda | 377 | *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold); |
67055d4c | 378 | break; |
bf43ea23 | 379 | default: |
bd6fbf62 | 380 | return SR_ERR_NA; |
a1bb33af UH |
381 | } |
382 | ||
626409ab | 383 | return SR_OK; |
a1bb33af UH |
384 | } |
385 | ||
dd7a72ea UH |
386 | static int config_set(uint32_t key, GVariant *data, |
387 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1bb33af | 388 | { |
310e9e9b | 389 | struct dev_context *devc; |
7142d6b9 | 390 | gdouble low, high; |
a1bb33af | 391 | |
53b4680f | 392 | (void)cg; |
8f996b89 | 393 | |
b0baddef | 394 | devc = sdi->priv; |
a1bb33af | 395 | |
584560f1 | 396 | switch (key) { |
1953564a | 397 | case SR_CONF_SAMPLERATE: |
8386096f | 398 | return zp_set_samplerate(devc, g_variant_get_uint64(data)); |
1953564a | 399 | case SR_CONF_LIMIT_SAMPLES: |
8386096f | 400 | return set_limit_samples(devc, g_variant_get_uint64(data)); |
1953564a | 401 | case SR_CONF_CAPTURE_RATIO: |
efad7ccc UH |
402 | devc->capture_ratio = g_variant_get_uint64(data); |
403 | break; | |
7142d6b9 RD |
404 | case SR_CONF_VOLTAGE_THRESHOLD: |
405 | g_variant_get(data, "(dd)", &low, &high); | |
406 | return set_voltage_threshold(devc, (low + high) / 2.0); | |
fed16f06 | 407 | default: |
bd6fbf62 | 408 | return SR_ERR_NA; |
a1bb33af | 409 | } |
e495a676 UH |
410 | |
411 | return SR_OK; | |
a1bb33af UH |
412 | } |
413 | ||
dd7a72ea UH |
414 | static int config_list(uint32_t key, GVariant **data, |
415 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 416 | { |
17548571 | 417 | struct dev_context *devc; |
a1c743fc BV |
418 | |
419 | switch (key) { | |
9a6517d1 | 420 | case SR_CONF_DEVICE_OPTIONS: |
23772462 | 421 | return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts); |
a1c743fc | 422 | case SR_CONF_SAMPLERATE: |
17548571 | 423 | devc = sdi->priv; |
463160cb | 424 | if (devc->prof->max_sampling_freq == 100) |
53012da6 | 425 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100)); |
463160cb | 426 | else if (devc->prof->max_sampling_freq == 200) |
53012da6 | 427 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200)); |
463160cb | 428 | else { |
17548571 UH |
429 | sr_err("Internal error: Unknown max. samplerate: %d.", |
430 | devc->prof->max_sampling_freq); | |
431 | return SR_ERR_ARG; | |
432 | } | |
a1c743fc | 433 | break; |
28731bab | 434 | case SR_CONF_TRIGGER_MATCH: |
53012da6 | 435 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); |
c50277a6 | 436 | break; |
7142d6b9 | 437 | case SR_CONF_VOLTAGE_THRESHOLD: |
7bc3cfe6 | 438 | *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1); |
7142d6b9 | 439 | break; |
f0de2dd0 BV |
440 | case SR_CONF_LIMIT_SAMPLES: |
441 | if (!sdi) | |
442 | return SR_ERR_ARG; | |
443 | devc = sdi->priv; | |
a162eeb2 | 444 | *data = std_gvar_tuple_u64(0, devc->max_sample_depth); |
f0de2dd0 | 445 | break; |
a1c743fc | 446 | default: |
bd6fbf62 | 447 | return SR_ERR_NA; |
a1c743fc BV |
448 | } |
449 | ||
450 | return SR_OK; | |
451 | } | |
452 | ||
695dc859 | 453 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
a1bb33af | 454 | { |
609bfd75 BV |
455 | struct dev_context *devc; |
456 | struct sr_usb_dev_inst *usb; | |
b9c735a2 | 457 | struct sr_datafeed_packet packet; |
9c939c51 | 458 | struct sr_datafeed_logic logic; |
42ceb777 | 459 | unsigned int samples_read; |
a1bb33af | 460 | int res; |
e495a676 | 461 | unsigned int packet_num, n; |
a1bb33af | 462 | unsigned char *buf; |
42ceb777 RD |
463 | unsigned int status; |
464 | unsigned int stop_address; | |
465 | unsigned int now_address; | |
466 | unsigned int trigger_address; | |
467 | unsigned int trigger_offset; | |
468 | unsigned int triggerbar; | |
469 | unsigned int ramsize_trigger; | |
470 | unsigned int memory_size; | |
471 | unsigned int valid_samples; | |
472 | unsigned int discard; | |
473 | int trigger_now; | |
a1bb33af | 474 | |
208c1d35 | 475 | devc = sdi->priv; |
a1bb33af | 476 | |
28731bab BV |
477 | if (analyzer_add_triggers(sdi) != SR_OK) { |
478 | sr_err("Failed to configure triggers."); | |
014359e3 BV |
479 | return SR_ERR; |
480 | } | |
481 | ||
609bfd75 BV |
482 | usb = sdi->conn; |
483 | ||
0ab0cb94 TY |
484 | set_triggerbar(devc); |
485 | ||
e495a676 | 486 | /* Push configured settings to device. */ |
609bfd75 | 487 | analyzer_configure(usb->devhdl); |
a143e4e5 | 488 | |
609bfd75 | 489 | analyzer_start(usb->devhdl); |
6d116114 | 490 | sr_info("Waiting for data."); |
609bfd75 | 491 | analyzer_wait_data(usb->devhdl); |
a1bb33af | 492 | |
42ceb777 RD |
493 | status = analyzer_read_status(usb->devhdl); |
494 | stop_address = analyzer_get_stop_address(usb->devhdl); | |
495 | now_address = analyzer_get_now_address(usb->devhdl); | |
496 | trigger_address = analyzer_get_trigger_address(usb->devhdl); | |
497 | ||
498 | triggerbar = analyzer_get_triggerbar_address(); | |
499 | ramsize_trigger = analyzer_get_ramsize_trigger_address(); | |
500 | ||
501 | n = get_memory_size(devc->memory_size); | |
502 | memory_size = n / 4; | |
503 | ||
504 | sr_info("Status = 0x%x.", status); | |
505 | sr_info("Stop address = 0x%x.", stop_address); | |
506 | sr_info("Now address = 0x%x.", now_address); | |
507 | sr_info("Trigger address = 0x%x.", trigger_address); | |
508 | sr_info("Triggerbar address = 0x%x.", triggerbar); | |
509 | sr_info("Ramsize trigger = 0x%x.", ramsize_trigger); | |
510 | sr_info("Memory size = 0x%x.", memory_size); | |
a1bb33af | 511 | |
bee2b016 | 512 | std_session_send_df_header(sdi); |
f366e86c | 513 | |
42ceb777 RD |
514 | /* Check for empty capture */ |
515 | if ((status & STATUS_READY) && !stop_address) { | |
bee2b016 | 516 | std_session_send_df_end(sdi); |
42ceb777 RD |
517 | return SR_OK; |
518 | } | |
519 | ||
a95f142e | 520 | buf = g_malloc(PACKET_SIZE); |
b53738ba | 521 | |
42ceb777 RD |
522 | /* Check if the trigger is in the samples we are throwing away */ |
523 | trigger_now = now_address == trigger_address || | |
524 | ((now_address + 1) % memory_size) == trigger_address; | |
525 | ||
526 | /* | |
527 | * STATUS_READY doesn't clear until now_address advances past | |
528 | * addr 0, but for our logic, clear it in that case | |
529 | */ | |
530 | if (!now_address) | |
531 | status &= ~STATUS_READY; | |
532 | ||
609bfd75 | 533 | analyzer_read_start(usb->devhdl); |
42ceb777 RD |
534 | |
535 | /* Calculate how much data to discard */ | |
536 | discard = 0; | |
537 | if (status & STATUS_READY) { | |
538 | /* | |
539 | * We haven't wrapped around, we need to throw away data from | |
540 | * our current position to the end of the buffer. | |
541 | * Additionally, the first two samples captured are always | |
542 | * bogus. | |
543 | */ | |
544 | discard += memory_size - now_address + 2; | |
545 | now_address = 2; | |
546 | } | |
547 | ||
548 | /* If we have more samples than we need, discard them */ | |
549 | valid_samples = (stop_address - now_address) % memory_size; | |
550 | if (valid_samples > ramsize_trigger + triggerbar) { | |
551 | discard += valid_samples - (ramsize_trigger + triggerbar); | |
552 | now_address += valid_samples - (ramsize_trigger + triggerbar); | |
553 | } | |
554 | ||
555 | sr_info("Need to discard %d samples.", discard); | |
556 | ||
557 | /* Calculate how far in the trigger is */ | |
558 | if (trigger_now) | |
559 | trigger_offset = 0; | |
560 | else | |
561 | trigger_offset = (trigger_address - now_address) % memory_size; | |
562 | ||
563 | /* Recalculate the number of samples available */ | |
564 | valid_samples = (stop_address - now_address) % memory_size; | |
565 | ||
fed16f06 | 566 | /* Send the incoming transfer to the session bus. */ |
42ceb777 | 567 | samples_read = 0; |
0ab0cb94 | 568 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { |
42ceb777 RD |
569 | unsigned int len; |
570 | unsigned int buf_offset; | |
571 | ||
609bfd75 | 572 | res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE); |
11cf4921 UH |
573 | if (res != PACKET_SIZE) |
574 | sr_warn("Tried to read %d bytes, actually read %d.", | |
575 | PACKET_SIZE, res); | |
a1bb33af | 576 | |
42ceb777 RD |
577 | if (discard >= PACKET_SIZE / 4) { |
578 | discard -= PACKET_SIZE / 4; | |
579 | continue; | |
580 | } | |
581 | ||
582 | len = PACKET_SIZE - discard * 4; | |
583 | buf_offset = discard * 4; | |
584 | discard = 0; | |
585 | ||
586 | /* Check if we've read all the samples */ | |
587 | if (samples_read + len / 4 >= valid_samples) | |
588 | len = (valid_samples - samples_read) * 4; | |
589 | if (!len) | |
590 | break; | |
591 | ||
592 | if (samples_read < trigger_offset && | |
593 | samples_read + len / 4 > trigger_offset) { | |
594 | /* Send out samples remaining before trigger */ | |
595 | packet.type = SR_DF_LOGIC; | |
596 | packet.payload = &logic; | |
597 | logic.length = (trigger_offset - samples_read) * 4; | |
598 | logic.unitsize = 4; | |
599 | logic.data = buf + buf_offset; | |
695dc859 | 600 | sr_session_send(sdi, &packet); |
42ceb777 RD |
601 | len -= logic.length; |
602 | samples_read += logic.length / 4; | |
603 | buf_offset += logic.length; | |
604 | } | |
605 | ||
0fa71943 UH |
606 | if (samples_read == trigger_offset) |
607 | std_session_send_df_trigger(sdi); | |
42ceb777 RD |
608 | |
609 | /* Send out data (or data after trigger) */ | |
5a2326a7 | 610 | packet.type = SR_DF_LOGIC; |
9c939c51 | 611 | packet.payload = &logic; |
42ceb777 | 612 | logic.length = len; |
9c939c51 | 613 | logic.unitsize = 4; |
42ceb777 | 614 | logic.data = buf + buf_offset; |
695dc859 | 615 | sr_session_send(sdi, &packet); |
42ceb777 | 616 | samples_read += len / 4; |
a1bb33af | 617 | } |
609bfd75 | 618 | analyzer_read_stop(usb->devhdl); |
a1bb33af UH |
619 | g_free(buf); |
620 | ||
bee2b016 | 621 | std_session_send_df_end(sdi); |
a1bb33af | 622 | |
e46b8fb1 | 623 | return SR_OK; |
a1bb33af UH |
624 | } |
625 | ||
695dc859 | 626 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
a1bb33af | 627 | { |
609bfd75 | 628 | struct sr_usb_dev_inst *usb; |
a1bb33af | 629 | |
bee2b016 | 630 | std_session_send_df_end(sdi); |
a1bb33af | 631 | |
609bfd75 BV |
632 | usb = sdi->conn; |
633 | analyzer_reset(usb->devhdl); | |
fed16f06 | 634 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
635 | |
636 | return SR_OK; | |
a1bb33af UH |
637 | } |
638 | ||
dd5c48a6 | 639 | static struct sr_dev_driver zeroplus_logic_cube_driver_info = { |
e519ba86 | 640 | .name = "zeroplus-logic-cube", |
8fdecced | 641 | .longname = "ZEROPLUS Logic Cube LAP-C series", |
e519ba86 | 642 | .api_version = 1, |
c2fdcc25 | 643 | .init = std_init, |
700d6b64 | 644 | .cleanup = std_cleanup, |
6078d2c9 | 645 | .scan = scan, |
c01bf34c | 646 | .dev_list = std_dev_list, |
f778bf02 | 647 | .dev_clear = std_dev_clear, |
035a1078 BV |
648 | .config_get = config_get, |
649 | .config_set = config_set, | |
a1c743fc | 650 | .config_list = config_list, |
6078d2c9 UH |
651 | .dev_open = dev_open, |
652 | .dev_close = dev_close, | |
653 | .dev_acquisition_start = dev_acquisition_start, | |
654 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 655 | .context = NULL, |
a1bb33af | 656 | }; |
dd5c48a6 | 657 | SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info); |