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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; |
ee4f9bb1 | 172 | int ret, i, j; |
fd86380b | 173 | const struct zp_model *check; |
ee4f9bb1 | 174 | char serial_num[64], connection_id[64]; |
a1bb33af | 175 | |
4ca38984 | 176 | (void)options; |
64d33dc2 | 177 | |
41812aca | 178 | drvc = di->context; |
4b97c74e | 179 | |
4ca38984 BV |
180 | devices = NULL; |
181 | ||
8fdecced | 182 | /* Find all ZEROPLUS analyzers and add them to device list. */ |
d4abb463 | 183 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */ |
fed16f06 UH |
184 | |
185 | for (i = 0; devlist[i]; i++) { | |
2a8f2d41 | 186 | libusb_get_device_descriptor(devlist[i], &des); |
a1bb33af | 187 | |
fd86380b GS |
188 | /* |
189 | * Check for expected VID:PID first as soon as we got | |
190 | * the descriptor's content. This avoids access to flaky | |
191 | * unrelated devices which trouble the application even | |
192 | * if they are unrelated to measurement purposes. | |
193 | * | |
194 | * See https://sigrok.org/bugzilla/show_bug.cgi?id=1115 | |
195 | * and https://github.com/sigrokproject/libsigrok/pull/165 | |
196 | * for a discussion. | |
197 | */ | |
198 | prof = NULL; | |
199 | for (j = 0; zeroplus_models[j].vid; j++) { | |
200 | check = &zeroplus_models[j]; | |
201 | if (des.idVendor != check->vid) | |
202 | continue; | |
203 | if (des.idProduct != check->pid) | |
204 | continue; | |
205 | prof = check; | |
206 | break; | |
207 | } | |
208 | if (!prof) | |
209 | continue; | |
210 | ||
211 | /* Get the device's serial number from USB strings. */ | |
ee4f9bb1 SA |
212 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) |
213 | continue; | |
214 | ||
215 | if (des.iSerialNumber == 0) { | |
216 | serial_num[0] = '\0'; | |
217 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
218 | des.iSerialNumber, (unsigned char *) serial_num, | |
219 | sizeof(serial_num))) < 0) { | |
220 | sr_warn("Failed to get serial number string descriptor: %s.", | |
221 | libusb_error_name(ret)); | |
222 | continue; | |
223 | } | |
224 | ||
225 | libusb_close(hdl); | |
226 | ||
6c1a76d1 RT |
227 | if (usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)) < 0) |
228 | continue; | |
ee4f9bb1 | 229 | |
e495a676 | 230 | sr_info("Found ZEROPLUS %s.", prof->model_name); |
428edbe1 | 231 | |
aac29cc1 | 232 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be | 233 | sdi->status = SR_ST_INACTIVE; |
b15ff1c9 | 234 | sdi->vendor = g_strdup("ZEROPLUS"); |
0af636be | 235 | sdi->model = g_strdup(prof->model_name); |
ee4f9bb1 SA |
236 | sdi->serial_num = g_strdup(serial_num); |
237 | sdi->connection_id = g_strdup(connection_id); | |
428edbe1 | 238 | |
f57d8ffe | 239 | devc = g_malloc0(sizeof(struct dev_context)); |
310e9e9b | 240 | sdi->priv = devc; |
17548571 | 241 | devc->prof = prof; |
310e9e9b | 242 | devc->num_channels = prof->channels; |
0ab0cb94 | 243 | #ifdef ZP_EXPERIMENTAL |
e93fb98b | 244 | devc->max_sample_depth = 128 * 1024; |
0ab0cb94 TY |
245 | devc->max_samplerate = 200; |
246 | #else | |
e93fb98b | 247 | devc->max_sample_depth = prof->sample_depth * 1024; |
0ab0cb94 TY |
248 | devc->max_samplerate = prof->max_sampling_freq; |
249 | #endif | |
250 | devc->max_samplerate *= SR_MHZ(1); | |
251 | devc->memory_size = MEMORY_SIZE_8K; | |
310e9e9b | 252 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); |
428edbe1 | 253 | |
5e23fcab ML |
254 | for (j = 0; j < devc->num_channels; j++) |
255 | sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, | |
c368e6f3 | 256 | channel_names[j]); |
428edbe1 BV |
257 | |
258 | devices = g_slist_append(devices, sdi); | |
8111446a | 259 | sdi->inst_type = SR_INST_USB; |
609bfd75 | 260 | sdi->conn = sr_usb_dev_inst_new( |
428edbe1 BV |
261 | libusb_get_bus_number(devlist[i]), |
262 | libusb_get_device_address(devlist[i]), NULL); | |
a1bb33af UH |
263 | } |
264 | libusb_free_device_list(devlist, 1); | |
265 | ||
15a5bfe4 | 266 | return std_scan_complete(di, devices); |
a1bb33af UH |
267 | } |
268 | ||
6078d2c9 | 269 | static int dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 270 | { |
4f840ce9 | 271 | struct sr_dev_driver *di = sdi->driver; |
310e9e9b | 272 | struct dev_context *devc; |
e495a676 | 273 | struct drv_context *drvc; |
609bfd75 | 274 | struct sr_usb_dev_inst *usb; |
87629577 | 275 | int ret; |
a1bb33af | 276 | |
41812aca | 277 | drvc = di->context; |
609bfd75 | 278 | usb = sdi->conn; |
61c90858 | 279 | devc = sdi->priv; |
bf43ea23 | 280 | |
87629577 LPC |
281 | ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb); |
282 | if (ret != SR_OK) | |
283 | return ret; | |
428edbe1 | 284 | |
609bfd75 | 285 | ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION); |
ebc34738 | 286 | if (ret < 0) { |
6d116114 | 287 | sr_err("Unable to set USB configuration %d: %s.", |
d4928d71 | 288 | USB_CONFIGURATION, libusb_error_name(ret)); |
185ae2c5 UH |
289 | return SR_ERR; |
290 | } | |
291 | ||
609bfd75 | 292 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 293 | if (ret != 0) { |
6d116114 | 294 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 295 | libusb_error_name(ret)); |
e46b8fb1 | 296 | return SR_ERR; |
a1bb33af | 297 | } |
185ae2c5 | 298 | |
e495a676 | 299 | /* Set default configuration after power on. */ |
609bfd75 BV |
300 | if (analyzer_read_status(usb->devhdl) == 0) |
301 | analyzer_configure(usb->devhdl); | |
0ab0cb94 | 302 | |
609bfd75 BV |
303 | analyzer_reset(usb->devhdl); |
304 | analyzer_initialize(usb->devhdl); | |
a1bb33af | 305 | |
0ab0cb94 | 306 | //analyzer_set_memory_size(MEMORY_SIZE_512K); |
fed16f06 | 307 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 308 | analyzer_set_trigger_count(1); |
408e7199 UH |
309 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
310 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
a1bb33af | 311 | |
fed16f06 UH |
312 | #if 0 |
313 | if (g_double_mode == 1) | |
a1bb33af UH |
314 | analyzer_set_compression(COMPRESSION_DOUBLE); |
315 | else if (g_compression == 1) | |
316 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
317 | else |
318 | #endif | |
319 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 320 | |
310e9e9b | 321 | if (devc->cur_samplerate == 0) { |
0ab0cb94 TY |
322 | /* Samplerate hasn't been set. Default to 1MHz. */ |
323 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
324 | devc->cur_samplerate = SR_MHZ(1); | |
a1bb33af UH |
325 | } |
326 | ||
7142d6b9 RD |
327 | if (devc->cur_threshold == 0) |
328 | set_voltage_threshold(devc, 1.5); | |
329 | ||
e46b8fb1 | 330 | return SR_OK; |
a1bb33af UH |
331 | } |
332 | ||
6078d2c9 | 333 | static int dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 334 | { |
609bfd75 | 335 | struct sr_usb_dev_inst *usb; |
a1bb33af | 336 | |
609bfd75 | 337 | usb = sdi->conn; |
697785d1 | 338 | |
609bfd75 | 339 | if (!usb->devhdl) |
f1ba6b4b | 340 | return SR_ERR_BUG; |
25a0f108 | 341 | |
ee4f9bb1 SA |
342 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", |
343 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
609bfd75 BV |
344 | libusb_release_interface(usb->devhdl, USB_INTERFACE); |
345 | libusb_reset_device(usb->devhdl); | |
346 | libusb_close(usb->devhdl); | |
347 | usb->devhdl = NULL; | |
697785d1 UH |
348 | |
349 | return SR_OK; | |
a1bb33af UH |
350 | } |
351 | ||
dd7a72ea UH |
352 | static int config_get(uint32_t key, GVariant **data, |
353 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1bb33af | 354 | { |
310e9e9b | 355 | struct dev_context *devc; |
a1bb33af | 356 | |
53b4680f | 357 | (void)cg; |
8f996b89 | 358 | |
dcd438ee UH |
359 | if (!sdi) |
360 | return SR_ERR_ARG; | |
361 | ||
362 | devc = sdi->priv; | |
363 | ||
584560f1 | 364 | switch (key) { |
123e1313 | 365 | case SR_CONF_SAMPLERATE: |
dcd438ee | 366 | *data = g_variant_new_uint64(devc->cur_samplerate); |
bf43ea23 | 367 | break; |
05f853b5 | 368 | case SR_CONF_CAPTURE_RATIO: |
dcd438ee | 369 | *data = g_variant_new_uint64(devc->capture_ratio); |
05f853b5 | 370 | break; |
7142d6b9 | 371 | case SR_CONF_VOLTAGE_THRESHOLD: |
43995cda | 372 | *data = std_gvar_tuple_double(devc->cur_threshold, devc->cur_threshold); |
67055d4c | 373 | break; |
bf43ea23 | 374 | default: |
bd6fbf62 | 375 | return SR_ERR_NA; |
a1bb33af UH |
376 | } |
377 | ||
626409ab | 378 | return SR_OK; |
a1bb33af UH |
379 | } |
380 | ||
dd7a72ea UH |
381 | static int config_set(uint32_t key, GVariant *data, |
382 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1bb33af | 383 | { |
310e9e9b | 384 | struct dev_context *devc; |
7142d6b9 | 385 | gdouble low, high; |
a1bb33af | 386 | |
53b4680f | 387 | (void)cg; |
8f996b89 | 388 | |
b0baddef | 389 | devc = sdi->priv; |
a1bb33af | 390 | |
584560f1 | 391 | switch (key) { |
1953564a | 392 | case SR_CONF_SAMPLERATE: |
8386096f | 393 | return zp_set_samplerate(devc, g_variant_get_uint64(data)); |
1953564a | 394 | case SR_CONF_LIMIT_SAMPLES: |
8386096f | 395 | return set_limit_samples(devc, g_variant_get_uint64(data)); |
1953564a | 396 | case SR_CONF_CAPTURE_RATIO: |
efad7ccc UH |
397 | devc->capture_ratio = g_variant_get_uint64(data); |
398 | break; | |
7142d6b9 RD |
399 | case SR_CONF_VOLTAGE_THRESHOLD: |
400 | g_variant_get(data, "(dd)", &low, &high); | |
401 | return set_voltage_threshold(devc, (low + high) / 2.0); | |
fed16f06 | 402 | default: |
bd6fbf62 | 403 | return SR_ERR_NA; |
a1bb33af | 404 | } |
e495a676 UH |
405 | |
406 | return SR_OK; | |
a1bb33af UH |
407 | } |
408 | ||
dd7a72ea UH |
409 | static int config_list(uint32_t key, GVariant **data, |
410 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
a1c743fc | 411 | { |
17548571 | 412 | struct dev_context *devc; |
a1c743fc BV |
413 | |
414 | switch (key) { | |
9a6517d1 | 415 | case SR_CONF_DEVICE_OPTIONS: |
23772462 | 416 | return STD_CONFIG_LIST(key, data, sdi, cg, NO_OPTS, drvopts, devopts); |
a1c743fc | 417 | case SR_CONF_SAMPLERATE: |
17548571 | 418 | devc = sdi->priv; |
463160cb | 419 | if (devc->prof->max_sampling_freq == 100) |
53012da6 | 420 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_100)); |
463160cb | 421 | else if (devc->prof->max_sampling_freq == 200) |
53012da6 | 422 | *data = std_gvar_samplerates(ARRAY_AND_SIZE(samplerates_200)); |
463160cb | 423 | else { |
17548571 UH |
424 | sr_err("Internal error: Unknown max. samplerate: %d.", |
425 | devc->prof->max_sampling_freq); | |
426 | return SR_ERR_ARG; | |
427 | } | |
a1c743fc | 428 | break; |
28731bab | 429 | case SR_CONF_TRIGGER_MATCH: |
53012da6 | 430 | *data = std_gvar_array_i32(ARRAY_AND_SIZE(trigger_matches)); |
c50277a6 | 431 | break; |
7142d6b9 | 432 | case SR_CONF_VOLTAGE_THRESHOLD: |
7bc3cfe6 | 433 | *data = std_gvar_min_max_step_thresholds(-6.0, 6.0, 0.1); |
7142d6b9 | 434 | break; |
f0de2dd0 BV |
435 | case SR_CONF_LIMIT_SAMPLES: |
436 | if (!sdi) | |
437 | return SR_ERR_ARG; | |
438 | devc = sdi->priv; | |
a162eeb2 | 439 | *data = std_gvar_tuple_u64(0, devc->max_sample_depth); |
f0de2dd0 | 440 | break; |
a1c743fc | 441 | default: |
bd6fbf62 | 442 | return SR_ERR_NA; |
a1c743fc BV |
443 | } |
444 | ||
445 | return SR_OK; | |
446 | } | |
447 | ||
695dc859 | 448 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
a1bb33af | 449 | { |
609bfd75 BV |
450 | struct dev_context *devc; |
451 | struct sr_usb_dev_inst *usb; | |
b9c735a2 | 452 | struct sr_datafeed_packet packet; |
9c939c51 | 453 | struct sr_datafeed_logic logic; |
42ceb777 | 454 | unsigned int samples_read; |
a1bb33af | 455 | int res; |
e495a676 | 456 | unsigned int packet_num, n; |
a1bb33af | 457 | unsigned char *buf; |
42ceb777 RD |
458 | unsigned int status; |
459 | unsigned int stop_address; | |
460 | unsigned int now_address; | |
461 | unsigned int trigger_address; | |
462 | unsigned int trigger_offset; | |
463 | unsigned int triggerbar; | |
464 | unsigned int ramsize_trigger; | |
465 | unsigned int memory_size; | |
466 | unsigned int valid_samples; | |
467 | unsigned int discard; | |
468 | int trigger_now; | |
a1bb33af | 469 | |
208c1d35 | 470 | devc = sdi->priv; |
a1bb33af | 471 | |
28731bab BV |
472 | if (analyzer_add_triggers(sdi) != SR_OK) { |
473 | sr_err("Failed to configure triggers."); | |
014359e3 BV |
474 | return SR_ERR; |
475 | } | |
476 | ||
609bfd75 BV |
477 | usb = sdi->conn; |
478 | ||
0ab0cb94 TY |
479 | set_triggerbar(devc); |
480 | ||
e495a676 | 481 | /* Push configured settings to device. */ |
609bfd75 | 482 | analyzer_configure(usb->devhdl); |
a143e4e5 | 483 | |
609bfd75 | 484 | analyzer_start(usb->devhdl); |
6d116114 | 485 | sr_info("Waiting for data."); |
609bfd75 | 486 | analyzer_wait_data(usb->devhdl); |
a1bb33af | 487 | |
42ceb777 RD |
488 | status = analyzer_read_status(usb->devhdl); |
489 | stop_address = analyzer_get_stop_address(usb->devhdl); | |
490 | now_address = analyzer_get_now_address(usb->devhdl); | |
491 | trigger_address = analyzer_get_trigger_address(usb->devhdl); | |
492 | ||
493 | triggerbar = analyzer_get_triggerbar_address(); | |
494 | ramsize_trigger = analyzer_get_ramsize_trigger_address(); | |
495 | ||
496 | n = get_memory_size(devc->memory_size); | |
497 | memory_size = n / 4; | |
498 | ||
499 | sr_info("Status = 0x%x.", status); | |
500 | sr_info("Stop address = 0x%x.", stop_address); | |
501 | sr_info("Now address = 0x%x.", now_address); | |
502 | sr_info("Trigger address = 0x%x.", trigger_address); | |
503 | sr_info("Triggerbar address = 0x%x.", triggerbar); | |
504 | sr_info("Ramsize trigger = 0x%x.", ramsize_trigger); | |
505 | sr_info("Memory size = 0x%x.", memory_size); | |
a1bb33af | 506 | |
bee2b016 | 507 | std_session_send_df_header(sdi); |
f366e86c | 508 | |
42ceb777 RD |
509 | /* Check for empty capture */ |
510 | if ((status & STATUS_READY) && !stop_address) { | |
bee2b016 | 511 | std_session_send_df_end(sdi); |
42ceb777 RD |
512 | return SR_OK; |
513 | } | |
514 | ||
a95f142e | 515 | buf = g_malloc(PACKET_SIZE); |
b53738ba | 516 | |
42ceb777 RD |
517 | /* Check if the trigger is in the samples we are throwing away */ |
518 | trigger_now = now_address == trigger_address || | |
519 | ((now_address + 1) % memory_size) == trigger_address; | |
520 | ||
521 | /* | |
522 | * STATUS_READY doesn't clear until now_address advances past | |
523 | * addr 0, but for our logic, clear it in that case | |
524 | */ | |
525 | if (!now_address) | |
526 | status &= ~STATUS_READY; | |
527 | ||
609bfd75 | 528 | analyzer_read_start(usb->devhdl); |
42ceb777 RD |
529 | |
530 | /* Calculate how much data to discard */ | |
531 | discard = 0; | |
532 | if (status & STATUS_READY) { | |
533 | /* | |
534 | * We haven't wrapped around, we need to throw away data from | |
535 | * our current position to the end of the buffer. | |
536 | * Additionally, the first two samples captured are always | |
537 | * bogus. | |
538 | */ | |
539 | discard += memory_size - now_address + 2; | |
540 | now_address = 2; | |
541 | } | |
542 | ||
543 | /* If we have more samples than we need, discard them */ | |
544 | valid_samples = (stop_address - now_address) % memory_size; | |
545 | if (valid_samples > ramsize_trigger + triggerbar) { | |
546 | discard += valid_samples - (ramsize_trigger + triggerbar); | |
547 | now_address += valid_samples - (ramsize_trigger + triggerbar); | |
548 | } | |
549 | ||
550 | sr_info("Need to discard %d samples.", discard); | |
551 | ||
552 | /* Calculate how far in the trigger is */ | |
553 | if (trigger_now) | |
554 | trigger_offset = 0; | |
555 | else | |
556 | trigger_offset = (trigger_address - now_address) % memory_size; | |
557 | ||
558 | /* Recalculate the number of samples available */ | |
559 | valid_samples = (stop_address - now_address) % memory_size; | |
560 | ||
fed16f06 | 561 | /* Send the incoming transfer to the session bus. */ |
42ceb777 | 562 | samples_read = 0; |
0ab0cb94 | 563 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { |
42ceb777 RD |
564 | unsigned int len; |
565 | unsigned int buf_offset; | |
566 | ||
609bfd75 | 567 | res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE); |
11cf4921 UH |
568 | if (res != PACKET_SIZE) |
569 | sr_warn("Tried to read %d bytes, actually read %d.", | |
570 | PACKET_SIZE, res); | |
a1bb33af | 571 | |
42ceb777 RD |
572 | if (discard >= PACKET_SIZE / 4) { |
573 | discard -= PACKET_SIZE / 4; | |
574 | continue; | |
575 | } | |
576 | ||
577 | len = PACKET_SIZE - discard * 4; | |
578 | buf_offset = discard * 4; | |
579 | discard = 0; | |
580 | ||
581 | /* Check if we've read all the samples */ | |
582 | if (samples_read + len / 4 >= valid_samples) | |
583 | len = (valid_samples - samples_read) * 4; | |
584 | if (!len) | |
585 | break; | |
586 | ||
587 | if (samples_read < trigger_offset && | |
588 | samples_read + len / 4 > trigger_offset) { | |
589 | /* Send out samples remaining before trigger */ | |
590 | packet.type = SR_DF_LOGIC; | |
591 | packet.payload = &logic; | |
592 | logic.length = (trigger_offset - samples_read) * 4; | |
593 | logic.unitsize = 4; | |
594 | logic.data = buf + buf_offset; | |
695dc859 | 595 | sr_session_send(sdi, &packet); |
42ceb777 RD |
596 | len -= logic.length; |
597 | samples_read += logic.length / 4; | |
598 | buf_offset += logic.length; | |
599 | } | |
600 | ||
0fa71943 UH |
601 | if (samples_read == trigger_offset) |
602 | std_session_send_df_trigger(sdi); | |
42ceb777 RD |
603 | |
604 | /* Send out data (or data after trigger) */ | |
5a2326a7 | 605 | packet.type = SR_DF_LOGIC; |
9c939c51 | 606 | packet.payload = &logic; |
42ceb777 | 607 | logic.length = len; |
9c939c51 | 608 | logic.unitsize = 4; |
42ceb777 | 609 | logic.data = buf + buf_offset; |
695dc859 | 610 | sr_session_send(sdi, &packet); |
42ceb777 | 611 | samples_read += len / 4; |
a1bb33af | 612 | } |
609bfd75 | 613 | analyzer_read_stop(usb->devhdl); |
a1bb33af UH |
614 | g_free(buf); |
615 | ||
bee2b016 | 616 | std_session_send_df_end(sdi); |
a1bb33af | 617 | |
e46b8fb1 | 618 | return SR_OK; |
a1bb33af UH |
619 | } |
620 | ||
695dc859 | 621 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
a1bb33af | 622 | { |
609bfd75 | 623 | struct sr_usb_dev_inst *usb; |
a1bb33af | 624 | |
bee2b016 | 625 | std_session_send_df_end(sdi); |
a1bb33af | 626 | |
609bfd75 BV |
627 | usb = sdi->conn; |
628 | analyzer_reset(usb->devhdl); | |
fed16f06 | 629 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
630 | |
631 | return SR_OK; | |
a1bb33af UH |
632 | } |
633 | ||
dd5c48a6 | 634 | static struct sr_dev_driver zeroplus_logic_cube_driver_info = { |
e519ba86 | 635 | .name = "zeroplus-logic-cube", |
8fdecced | 636 | .longname = "ZEROPLUS Logic Cube LAP-C series", |
e519ba86 | 637 | .api_version = 1, |
c2fdcc25 | 638 | .init = std_init, |
700d6b64 | 639 | .cleanup = std_cleanup, |
6078d2c9 | 640 | .scan = scan, |
c01bf34c | 641 | .dev_list = std_dev_list, |
f778bf02 | 642 | .dev_clear = std_dev_clear, |
035a1078 BV |
643 | .config_get = config_get, |
644 | .config_set = config_set, | |
a1c743fc | 645 | .config_list = config_list, |
6078d2c9 UH |
646 | .dev_open = dev_open, |
647 | .dev_close = dev_close, | |
648 | .dev_acquisition_start = dev_acquisition_start, | |
649 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 650 | .context = NULL, |
a1bb33af | 651 | }; |
dd5c48a6 | 652 | SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info); |