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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 | |
8fdecced | 23 | #define VENDOR_NAME "ZEROPLUS" |
a1bb33af UH |
24 | #define USB_INTERFACE 0 |
25 | #define USB_CONFIGURATION 1 | |
26 | #define NUM_TRIGGER_STAGES 4 | |
fed16f06 | 27 | #define PACKET_SIZE 2048 /* ?? */ |
a1bb33af | 28 | |
0ab0cb94 TY |
29 | //#define ZP_EXPERIMENTAL |
30 | ||
e495a676 UH |
31 | struct zp_model { |
32 | uint16_t vid; | |
33 | uint16_t pid; | |
2c240774 | 34 | const char *model_name; |
a1bb33af | 35 | unsigned int channels; |
fed16f06 | 36 | unsigned int sample_depth; /* In Ksamples/channel */ |
a1bb33af | 37 | unsigned int max_sampling_freq; |
e495a676 | 38 | }; |
a1bb33af | 39 | |
fed16f06 UH |
40 | /* |
41 | * Note -- 16032, 16064 and 16128 *usually* -- but not always -- have the | |
42 | * same 128K sample depth. | |
43 | */ | |
e495a676 | 44 | static const struct zp_model zeroplus_models[] = { |
9e5670d0 | 45 | {0x0c12, 0x7002, "LAP-16128U", 16, 128, 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}, |
e3594306 | 53 | {0x0c12, 0x7100, "AKIP-9101", 16, 256, 200}, |
9e9dba7b | 54 | ALL_ZERO |
a1bb33af UH |
55 | }; |
56 | ||
716d6dfc | 57 | static const uint32_t drvopts[] = { |
1953564a | 58 | SR_CONF_LOGIC_ANALYZER, |
716d6dfc YS |
59 | }; |
60 | ||
61 | static const uint32_t devopts[] = { | |
5827f61b BV |
62 | SR_CONF_LIMIT_SAMPLES | SR_CONF_SET | SR_CONF_LIST, |
63 | SR_CONF_SAMPLERATE | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
64 | SR_CONF_TRIGGER_MATCH | SR_CONF_LIST, | |
65 | SR_CONF_CAPTURE_RATIO | SR_CONF_GET | SR_CONF_SET, | |
66 | SR_CONF_VOLTAGE_THRESHOLD | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
a1bb33af UH |
67 | }; |
68 | ||
28731bab BV |
69 | static const int32_t trigger_matches[] = { |
70 | SR_TRIGGER_ZERO, | |
71 | SR_TRIGGER_ONE, | |
72 | }; | |
73 | ||
d261dbbf | 74 | /* |
ba7dd8bb | 75 | * ZEROPLUS LAP-C (16032) numbers the 16 channels A0-A7 and B0-B7. |
d261dbbf UH |
76 | * We currently ignore other untested/unsupported devices here. |
77 | */ | |
ba7dd8bb | 78 | static const char *channel_names[] = { |
78693401 UH |
79 | "A0", "A1", "A2", "A3", "A4", "A5", "A6", "A7", |
80 | "B0", "B1", "B2", "B3", "B4", "B5", "B6", "B7", | |
5db0c668 RD |
81 | "C0", "C1", "C2", "C3", "C4", "C5", "C6", "C7", |
82 | "D0", "D1", "D2", "D3", "D4", "D5", "D6", "D7", | |
464d12c7 KS |
83 | }; |
84 | ||
fed16f06 UH |
85 | /* |
86 | * The hardware supports more samplerates than these, but these are the | |
87 | * options hardcoded into the vendor's Windows GUI. | |
88 | */ | |
a1bb33af | 89 | |
8386096f | 90 | static const uint64_t samplerates_100[] = { |
17548571 UH |
91 | SR_HZ(100), |
92 | SR_HZ(500), | |
93 | SR_KHZ(1), | |
94 | SR_KHZ(5), | |
95 | SR_KHZ(25), | |
96 | SR_KHZ(50), | |
97 | SR_KHZ(100), | |
98 | SR_KHZ(200), | |
99 | SR_KHZ(400), | |
100 | SR_KHZ(800), | |
101 | SR_MHZ(1), | |
102 | SR_MHZ(10), | |
103 | SR_MHZ(25), | |
104 | SR_MHZ(50), | |
105 | SR_MHZ(80), | |
106 | SR_MHZ(100), | |
17548571 UH |
107 | }; |
108 | ||
8386096f | 109 | const uint64_t samplerates_200[] = { |
c9140419 UH |
110 | SR_HZ(100), |
111 | SR_HZ(500), | |
59df0c77 UH |
112 | SR_KHZ(1), |
113 | SR_KHZ(5), | |
114 | SR_KHZ(25), | |
115 | SR_KHZ(50), | |
116 | SR_KHZ(100), | |
117 | SR_KHZ(200), | |
118 | SR_KHZ(400), | |
119 | SR_KHZ(800), | |
120 | SR_MHZ(1), | |
121 | SR_MHZ(10), | |
122 | SR_MHZ(25), | |
123 | SR_MHZ(50), | |
124 | SR_MHZ(80), | |
125 | SR_MHZ(100), | |
126 | SR_MHZ(150), | |
127 | SR_MHZ(200), | |
bf43ea23 | 128 | }; |
a1bb33af | 129 | |
3316e149 BV |
130 | SR_PRIV int zp_set_samplerate(struct dev_context *devc, uint64_t samplerate) |
131 | { | |
132 | int i; | |
133 | ||
134 | for (i = 0; ARRAY_SIZE(samplerates_200); i++) | |
135 | if (samplerate == samplerates_200[i]) | |
136 | break; | |
137 | ||
138 | if (i == ARRAY_SIZE(samplerates_200) || samplerate > devc->max_samplerate) { | |
139 | sr_err("Unsupported samplerate: %" PRIu64 "Hz.", samplerate); | |
140 | return SR_ERR_ARG; | |
141 | } | |
142 | ||
143 | sr_info("Setting samplerate to %" PRIu64 "Hz.", samplerate); | |
144 | ||
145 | if (samplerate >= SR_MHZ(1)) | |
146 | analyzer_set_freq(samplerate / SR_MHZ(1), FREQ_SCALE_MHZ); | |
147 | else if (samplerate >= SR_KHZ(1)) | |
148 | analyzer_set_freq(samplerate / SR_KHZ(1), FREQ_SCALE_KHZ); | |
149 | else | |
150 | analyzer_set_freq(samplerate, FREQ_SCALE_HZ); | |
151 | ||
152 | devc->cur_samplerate = samplerate; | |
153 | ||
154 | return SR_OK; | |
155 | } | |
156 | ||
4f840ce9 | 157 | static GSList *scan(struct sr_dev_driver *di, GSList *options) |
a1bb33af | 158 | { |
d68e2d1a | 159 | struct sr_dev_inst *sdi; |
310e9e9b BV |
160 | struct drv_context *drvc; |
161 | struct dev_context *devc; | |
e495a676 | 162 | const struct zp_model *prof; |
a1bb33af | 163 | struct libusb_device_descriptor des; |
ee4f9bb1 | 164 | struct libusb_device_handle *hdl; |
a1bb33af | 165 | libusb_device **devlist; |
428edbe1 | 166 | GSList *devices; |
ee4f9bb1 SA |
167 | int ret, i, j; |
168 | char serial_num[64], connection_id[64]; | |
a1bb33af | 169 | |
4ca38984 | 170 | (void)options; |
64d33dc2 | 171 | |
41812aca | 172 | drvc = di->context; |
4b97c74e | 173 | |
4ca38984 BV |
174 | devices = NULL; |
175 | ||
8fdecced | 176 | /* Find all ZEROPLUS analyzers and add them to device list. */ |
d4abb463 | 177 | libusb_get_device_list(drvc->sr_ctx->libusb_ctx, &devlist); /* TODO: Errors. */ |
fed16f06 UH |
178 | |
179 | for (i = 0; devlist[i]; i++) { | |
2a8f2d41 | 180 | libusb_get_device_descriptor(devlist[i], &des); |
a1bb33af | 181 | |
ee4f9bb1 SA |
182 | if ((ret = libusb_open(devlist[i], &hdl)) < 0) |
183 | continue; | |
184 | ||
185 | if (des.iSerialNumber == 0) { | |
186 | serial_num[0] = '\0'; | |
187 | } else if ((ret = libusb_get_string_descriptor_ascii(hdl, | |
188 | des.iSerialNumber, (unsigned char *) serial_num, | |
189 | sizeof(serial_num))) < 0) { | |
190 | sr_warn("Failed to get serial number string descriptor: %s.", | |
191 | libusb_error_name(ret)); | |
192 | continue; | |
193 | } | |
194 | ||
195 | libusb_close(hdl); | |
196 | ||
197 | usb_get_port_path(devlist[i], connection_id, sizeof(connection_id)); | |
198 | ||
428edbe1 BV |
199 | prof = NULL; |
200 | for (j = 0; j < zeroplus_models[j].vid; j++) { | |
201 | if (des.idVendor == zeroplus_models[j].vid && | |
202 | des.idProduct == zeroplus_models[j].pid) { | |
203 | prof = &zeroplus_models[j]; | |
bf43ea23 | 204 | } |
a1bb33af | 205 | } |
ca314e06 | 206 | |
428edbe1 BV |
207 | if (!prof) |
208 | continue; | |
e495a676 | 209 | sr_info("Found ZEROPLUS %s.", prof->model_name); |
428edbe1 | 210 | |
aac29cc1 | 211 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
212 | sdi->status = SR_ST_INACTIVE; |
213 | sdi->vendor = g_strdup(VENDOR_NAME); | |
214 | sdi->model = g_strdup(prof->model_name); | |
ee4f9bb1 SA |
215 | sdi->serial_num = g_strdup(serial_num); |
216 | sdi->connection_id = g_strdup(connection_id); | |
428edbe1 | 217 | |
f57d8ffe | 218 | devc = g_malloc0(sizeof(struct dev_context)); |
310e9e9b | 219 | sdi->priv = devc; |
17548571 | 220 | devc->prof = prof; |
310e9e9b | 221 | devc->num_channels = prof->channels; |
0ab0cb94 | 222 | #ifdef ZP_EXPERIMENTAL |
e93fb98b | 223 | devc->max_sample_depth = 128 * 1024; |
0ab0cb94 TY |
224 | devc->max_samplerate = 200; |
225 | #else | |
e93fb98b | 226 | devc->max_sample_depth = prof->sample_depth * 1024; |
0ab0cb94 TY |
227 | devc->max_samplerate = prof->max_sampling_freq; |
228 | #endif | |
229 | devc->max_samplerate *= SR_MHZ(1); | |
230 | devc->memory_size = MEMORY_SIZE_8K; | |
310e9e9b | 231 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); |
428edbe1 | 232 | |
5e23fcab ML |
233 | for (j = 0; j < devc->num_channels; j++) |
234 | sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, | |
c368e6f3 | 235 | channel_names[j]); |
428edbe1 BV |
236 | |
237 | devices = g_slist_append(devices, sdi); | |
8111446a | 238 | sdi->inst_type = SR_INST_USB; |
609bfd75 | 239 | sdi->conn = sr_usb_dev_inst_new( |
428edbe1 BV |
240 | libusb_get_bus_number(devlist[i]), |
241 | libusb_get_device_address(devlist[i]), NULL); | |
a1bb33af UH |
242 | } |
243 | libusb_free_device_list(devlist, 1); | |
244 | ||
15a5bfe4 | 245 | return std_scan_complete(di, devices); |
a1bb33af UH |
246 | } |
247 | ||
6078d2c9 | 248 | static int dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 249 | { |
4f840ce9 | 250 | struct sr_dev_driver *di = sdi->driver; |
310e9e9b | 251 | struct dev_context *devc; |
e495a676 | 252 | struct drv_context *drvc; |
609bfd75 | 253 | struct sr_usb_dev_inst *usb; |
87629577 | 254 | int ret; |
a1bb33af | 255 | |
41812aca | 256 | drvc = di->context; |
609bfd75 | 257 | usb = sdi->conn; |
61c90858 | 258 | devc = sdi->priv; |
bf43ea23 | 259 | |
87629577 LPC |
260 | ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb); |
261 | if (ret != SR_OK) | |
262 | return ret; | |
428edbe1 | 263 | |
609bfd75 | 264 | ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION); |
ebc34738 | 265 | if (ret < 0) { |
6d116114 | 266 | sr_err("Unable to set USB configuration %d: %s.", |
d4928d71 | 267 | USB_CONFIGURATION, libusb_error_name(ret)); |
185ae2c5 UH |
268 | return SR_ERR; |
269 | } | |
270 | ||
609bfd75 | 271 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 272 | if (ret != 0) { |
6d116114 | 273 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 274 | libusb_error_name(ret)); |
e46b8fb1 | 275 | return SR_ERR; |
a1bb33af | 276 | } |
185ae2c5 | 277 | |
e495a676 | 278 | /* Set default configuration after power on. */ |
609bfd75 BV |
279 | if (analyzer_read_status(usb->devhdl) == 0) |
280 | analyzer_configure(usb->devhdl); | |
0ab0cb94 | 281 | |
609bfd75 BV |
282 | analyzer_reset(usb->devhdl); |
283 | analyzer_initialize(usb->devhdl); | |
a1bb33af | 284 | |
0ab0cb94 | 285 | //analyzer_set_memory_size(MEMORY_SIZE_512K); |
fed16f06 | 286 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 287 | analyzer_set_trigger_count(1); |
408e7199 UH |
288 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
289 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
a1bb33af | 290 | |
fed16f06 UH |
291 | #if 0 |
292 | if (g_double_mode == 1) | |
a1bb33af UH |
293 | analyzer_set_compression(COMPRESSION_DOUBLE); |
294 | else if (g_compression == 1) | |
295 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
296 | else |
297 | #endif | |
298 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 299 | |
310e9e9b | 300 | if (devc->cur_samplerate == 0) { |
0ab0cb94 TY |
301 | /* Samplerate hasn't been set. Default to 1MHz. */ |
302 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
303 | devc->cur_samplerate = SR_MHZ(1); | |
a1bb33af UH |
304 | } |
305 | ||
7142d6b9 RD |
306 | if (devc->cur_threshold == 0) |
307 | set_voltage_threshold(devc, 1.5); | |
308 | ||
e46b8fb1 | 309 | return SR_OK; |
a1bb33af UH |
310 | } |
311 | ||
6078d2c9 | 312 | static int dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 313 | { |
609bfd75 | 314 | struct sr_usb_dev_inst *usb; |
a1bb33af | 315 | |
609bfd75 | 316 | usb = sdi->conn; |
697785d1 | 317 | |
609bfd75 | 318 | if (!usb->devhdl) |
f1ba6b4b | 319 | return SR_ERR_BUG; |
25a0f108 | 320 | |
ee4f9bb1 SA |
321 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", |
322 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
609bfd75 BV |
323 | libusb_release_interface(usb->devhdl, USB_INTERFACE); |
324 | libusb_reset_device(usb->devhdl); | |
325 | libusb_close(usb->devhdl); | |
326 | usb->devhdl = NULL; | |
697785d1 UH |
327 | |
328 | return SR_OK; | |
a1bb33af UH |
329 | } |
330 | ||
584560f1 | 331 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 332 | const struct sr_channel_group *cg) |
a1bb33af | 333 | { |
310e9e9b | 334 | struct dev_context *devc; |
dcd438ee | 335 | GVariant *range[2]; |
a1bb33af | 336 | |
53b4680f | 337 | (void)cg; |
8f996b89 | 338 | |
dcd438ee UH |
339 | if (!sdi) |
340 | return SR_ERR_ARG; | |
341 | ||
342 | devc = sdi->priv; | |
343 | ||
584560f1 | 344 | switch (key) { |
123e1313 | 345 | case SR_CONF_SAMPLERATE: |
dcd438ee | 346 | *data = g_variant_new_uint64(devc->cur_samplerate); |
bf43ea23 | 347 | break; |
05f853b5 | 348 | case SR_CONF_CAPTURE_RATIO: |
dcd438ee | 349 | *data = g_variant_new_uint64(devc->capture_ratio); |
05f853b5 | 350 | break; |
7142d6b9 | 351 | case SR_CONF_VOLTAGE_THRESHOLD: |
dcd438ee UH |
352 | range[0] = g_variant_new_double(devc->cur_threshold); |
353 | range[1] = g_variant_new_double(devc->cur_threshold); | |
354 | *data = g_variant_new_tuple(range, 2); | |
67055d4c | 355 | break; |
bf43ea23 | 356 | default: |
bd6fbf62 | 357 | return SR_ERR_NA; |
a1bb33af UH |
358 | } |
359 | ||
626409ab | 360 | return SR_OK; |
a1bb33af UH |
361 | } |
362 | ||
584560f1 | 363 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 364 | const struct sr_channel_group *cg) |
a1bb33af | 365 | { |
310e9e9b | 366 | struct dev_context *devc; |
7142d6b9 | 367 | gdouble low, high; |
a1bb33af | 368 | |
53b4680f | 369 | (void)cg; |
8f996b89 | 370 | |
b0baddef | 371 | devc = sdi->priv; |
a1bb33af | 372 | |
584560f1 | 373 | switch (key) { |
1953564a | 374 | case SR_CONF_SAMPLERATE: |
8386096f | 375 | return zp_set_samplerate(devc, g_variant_get_uint64(data)); |
1953564a | 376 | case SR_CONF_LIMIT_SAMPLES: |
8386096f | 377 | return set_limit_samples(devc, g_variant_get_uint64(data)); |
1953564a | 378 | case SR_CONF_CAPTURE_RATIO: |
8386096f | 379 | return set_capture_ratio(devc, g_variant_get_uint64(data)); |
7142d6b9 RD |
380 | case SR_CONF_VOLTAGE_THRESHOLD: |
381 | g_variant_get(data, "(dd)", &low, &high); | |
382 | return set_voltage_threshold(devc, (low + high) / 2.0); | |
fed16f06 | 383 | default: |
bd6fbf62 | 384 | return SR_ERR_NA; |
a1bb33af | 385 | } |
e495a676 UH |
386 | |
387 | return SR_OK; | |
a1bb33af UH |
388 | } |
389 | ||
584560f1 | 390 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 391 | const struct sr_channel_group *cg) |
a1c743fc | 392 | { |
17548571 | 393 | struct dev_context *devc; |
f0de2dd0 | 394 | GVariant *gvar, *grange[2]; |
8386096f | 395 | GVariantBuilder gvb; |
7142d6b9 RD |
396 | double v; |
397 | GVariant *range[2]; | |
a1c743fc BV |
398 | |
399 | switch (key) { | |
9a6517d1 | 400 | case SR_CONF_DEVICE_OPTIONS: |
e66d1892 | 401 | return STD_CONFIG_LIST(key, data, sdi, cg, NULL, drvopts, devopts); |
a1c743fc | 402 | case SR_CONF_SAMPLERATE: |
17548571 | 403 | devc = sdi->priv; |
8386096f | 404 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
17548571 | 405 | if (devc->prof->max_sampling_freq == 100) { |
8386096f BV |
406 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), |
407 | samplerates_100, ARRAY_SIZE(samplerates_100), | |
408 | sizeof(uint64_t)); | |
17548571 | 409 | } else if (devc->prof->max_sampling_freq == 200) { |
8386096f BV |
410 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), |
411 | samplerates_200, ARRAY_SIZE(samplerates_200), | |
412 | sizeof(uint64_t)); | |
17548571 UH |
413 | } else { |
414 | sr_err("Internal error: Unknown max. samplerate: %d.", | |
415 | devc->prof->max_sampling_freq); | |
416 | return SR_ERR_ARG; | |
417 | } | |
8386096f BV |
418 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); |
419 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 420 | break; |
28731bab BV |
421 | case SR_CONF_TRIGGER_MATCH: |
422 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
423 | trigger_matches, ARRAY_SIZE(trigger_matches), | |
424 | sizeof(int32_t)); | |
c50277a6 | 425 | break; |
7142d6b9 RD |
426 | case SR_CONF_VOLTAGE_THRESHOLD: |
427 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
428 | for (v = -6.0; v <= 6.0; v += 0.1) { | |
429 | range[0] = g_variant_new_double(v); | |
430 | range[1] = g_variant_new_double(v); | |
431 | gvar = g_variant_new_tuple(range, 2); | |
432 | g_variant_builder_add_value(&gvb, gvar); | |
433 | } | |
434 | *data = g_variant_builder_end(&gvb); | |
435 | break; | |
f0de2dd0 BV |
436 | case SR_CONF_LIMIT_SAMPLES: |
437 | if (!sdi) | |
438 | return SR_ERR_ARG; | |
439 | devc = sdi->priv; | |
440 | grange[0] = g_variant_new_uint64(0); | |
441 | grange[1] = g_variant_new_uint64(devc->max_sample_depth); | |
442 | *data = g_variant_new_tuple(grange, 2); | |
443 | break; | |
a1c743fc | 444 | default: |
bd6fbf62 | 445 | return SR_ERR_NA; |
a1c743fc BV |
446 | } |
447 | ||
448 | return SR_OK; | |
449 | } | |
450 | ||
695dc859 | 451 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
a1bb33af | 452 | { |
609bfd75 BV |
453 | struct dev_context *devc; |
454 | struct sr_usb_dev_inst *usb; | |
b9c735a2 | 455 | struct sr_datafeed_packet packet; |
9c939c51 | 456 | struct sr_datafeed_logic logic; |
42ceb777 | 457 | unsigned int samples_read; |
a1bb33af | 458 | int res; |
e495a676 | 459 | unsigned int packet_num, n; |
a1bb33af | 460 | unsigned char *buf; |
42ceb777 RD |
461 | unsigned int status; |
462 | unsigned int stop_address; | |
463 | unsigned int now_address; | |
464 | unsigned int trigger_address; | |
465 | unsigned int trigger_offset; | |
466 | unsigned int triggerbar; | |
467 | unsigned int ramsize_trigger; | |
468 | unsigned int memory_size; | |
469 | unsigned int valid_samples; | |
470 | unsigned int discard; | |
471 | int trigger_now; | |
a1bb33af | 472 | |
208c1d35 | 473 | devc = sdi->priv; |
a1bb33af | 474 | |
28731bab BV |
475 | if (analyzer_add_triggers(sdi) != SR_OK) { |
476 | sr_err("Failed to configure triggers."); | |
014359e3 BV |
477 | return SR_ERR; |
478 | } | |
479 | ||
609bfd75 BV |
480 | usb = sdi->conn; |
481 | ||
0ab0cb94 TY |
482 | set_triggerbar(devc); |
483 | ||
e495a676 | 484 | /* Push configured settings to device. */ |
609bfd75 | 485 | analyzer_configure(usb->devhdl); |
a143e4e5 | 486 | |
609bfd75 | 487 | analyzer_start(usb->devhdl); |
6d116114 | 488 | sr_info("Waiting for data."); |
609bfd75 | 489 | analyzer_wait_data(usb->devhdl); |
a1bb33af | 490 | |
42ceb777 RD |
491 | status = analyzer_read_status(usb->devhdl); |
492 | stop_address = analyzer_get_stop_address(usb->devhdl); | |
493 | now_address = analyzer_get_now_address(usb->devhdl); | |
494 | trigger_address = analyzer_get_trigger_address(usb->devhdl); | |
495 | ||
496 | triggerbar = analyzer_get_triggerbar_address(); | |
497 | ramsize_trigger = analyzer_get_ramsize_trigger_address(); | |
498 | ||
499 | n = get_memory_size(devc->memory_size); | |
500 | memory_size = n / 4; | |
501 | ||
502 | sr_info("Status = 0x%x.", status); | |
503 | sr_info("Stop address = 0x%x.", stop_address); | |
504 | sr_info("Now address = 0x%x.", now_address); | |
505 | sr_info("Trigger address = 0x%x.", trigger_address); | |
506 | sr_info("Triggerbar address = 0x%x.", triggerbar); | |
507 | sr_info("Ramsize trigger = 0x%x.", ramsize_trigger); | |
508 | sr_info("Memory size = 0x%x.", memory_size); | |
a1bb33af | 509 | |
bee2b016 | 510 | std_session_send_df_header(sdi); |
f366e86c | 511 | |
42ceb777 RD |
512 | /* Check for empty capture */ |
513 | if ((status & STATUS_READY) && !stop_address) { | |
bee2b016 | 514 | std_session_send_df_end(sdi); |
42ceb777 RD |
515 | return SR_OK; |
516 | } | |
517 | ||
a95f142e | 518 | buf = g_malloc(PACKET_SIZE); |
b53738ba | 519 | |
42ceb777 RD |
520 | /* Check if the trigger is in the samples we are throwing away */ |
521 | trigger_now = now_address == trigger_address || | |
522 | ((now_address + 1) % memory_size) == trigger_address; | |
523 | ||
524 | /* | |
525 | * STATUS_READY doesn't clear until now_address advances past | |
526 | * addr 0, but for our logic, clear it in that case | |
527 | */ | |
528 | if (!now_address) | |
529 | status &= ~STATUS_READY; | |
530 | ||
609bfd75 | 531 | analyzer_read_start(usb->devhdl); |
42ceb777 RD |
532 | |
533 | /* Calculate how much data to discard */ | |
534 | discard = 0; | |
535 | if (status & STATUS_READY) { | |
536 | /* | |
537 | * We haven't wrapped around, we need to throw away data from | |
538 | * our current position to the end of the buffer. | |
539 | * Additionally, the first two samples captured are always | |
540 | * bogus. | |
541 | */ | |
542 | discard += memory_size - now_address + 2; | |
543 | now_address = 2; | |
544 | } | |
545 | ||
546 | /* If we have more samples than we need, discard them */ | |
547 | valid_samples = (stop_address - now_address) % memory_size; | |
548 | if (valid_samples > ramsize_trigger + triggerbar) { | |
549 | discard += valid_samples - (ramsize_trigger + triggerbar); | |
550 | now_address += valid_samples - (ramsize_trigger + triggerbar); | |
551 | } | |
552 | ||
553 | sr_info("Need to discard %d samples.", discard); | |
554 | ||
555 | /* Calculate how far in the trigger is */ | |
556 | if (trigger_now) | |
557 | trigger_offset = 0; | |
558 | else | |
559 | trigger_offset = (trigger_address - now_address) % memory_size; | |
560 | ||
561 | /* Recalculate the number of samples available */ | |
562 | valid_samples = (stop_address - now_address) % memory_size; | |
563 | ||
fed16f06 | 564 | /* Send the incoming transfer to the session bus. */ |
42ceb777 | 565 | samples_read = 0; |
0ab0cb94 | 566 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { |
42ceb777 RD |
567 | unsigned int len; |
568 | unsigned int buf_offset; | |
569 | ||
609bfd75 | 570 | res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE); |
6d116114 | 571 | sr_info("Tried to read %d bytes, actually read %d bytes.", |
b08024a8 | 572 | PACKET_SIZE, res); |
a1bb33af | 573 | |
42ceb777 RD |
574 | if (discard >= PACKET_SIZE / 4) { |
575 | discard -= PACKET_SIZE / 4; | |
576 | continue; | |
577 | } | |
578 | ||
579 | len = PACKET_SIZE - discard * 4; | |
580 | buf_offset = discard * 4; | |
581 | discard = 0; | |
582 | ||
583 | /* Check if we've read all the samples */ | |
584 | if (samples_read + len / 4 >= valid_samples) | |
585 | len = (valid_samples - samples_read) * 4; | |
586 | if (!len) | |
587 | break; | |
588 | ||
589 | if (samples_read < trigger_offset && | |
590 | samples_read + len / 4 > trigger_offset) { | |
591 | /* Send out samples remaining before trigger */ | |
592 | packet.type = SR_DF_LOGIC; | |
593 | packet.payload = &logic; | |
594 | logic.length = (trigger_offset - samples_read) * 4; | |
595 | logic.unitsize = 4; | |
596 | logic.data = buf + buf_offset; | |
695dc859 | 597 | sr_session_send(sdi, &packet); |
42ceb777 RD |
598 | len -= logic.length; |
599 | samples_read += logic.length / 4; | |
600 | buf_offset += logic.length; | |
601 | } | |
602 | ||
603 | if (samples_read == trigger_offset) { | |
604 | /* Send out trigger */ | |
605 | packet.type = SR_DF_TRIGGER; | |
606 | packet.payload = NULL; | |
695dc859 | 607 | sr_session_send(sdi, &packet); |
42ceb777 RD |
608 | } |
609 | ||
610 | /* Send out data (or data after trigger) */ | |
5a2326a7 | 611 | packet.type = SR_DF_LOGIC; |
9c939c51 | 612 | packet.payload = &logic; |
42ceb777 | 613 | logic.length = len; |
9c939c51 | 614 | logic.unitsize = 4; |
42ceb777 | 615 | logic.data = buf + buf_offset; |
695dc859 | 616 | sr_session_send(sdi, &packet); |
42ceb777 | 617 | samples_read += len / 4; |
a1bb33af | 618 | } |
609bfd75 | 619 | analyzer_read_stop(usb->devhdl); |
a1bb33af UH |
620 | g_free(buf); |
621 | ||
bee2b016 | 622 | std_session_send_df_end(sdi); |
a1bb33af | 623 | |
e46b8fb1 | 624 | return SR_OK; |
a1bb33af UH |
625 | } |
626 | ||
695dc859 | 627 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
a1bb33af | 628 | { |
609bfd75 | 629 | struct sr_usb_dev_inst *usb; |
a1bb33af | 630 | |
bee2b016 | 631 | std_session_send_df_end(sdi); |
a1bb33af | 632 | |
609bfd75 BV |
633 | usb = sdi->conn; |
634 | analyzer_reset(usb->devhdl); | |
fed16f06 | 635 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
636 | |
637 | return SR_OK; | |
a1bb33af UH |
638 | } |
639 | ||
dd5c48a6 | 640 | static struct sr_dev_driver zeroplus_logic_cube_driver_info = { |
e519ba86 | 641 | .name = "zeroplus-logic-cube", |
8fdecced | 642 | .longname = "ZEROPLUS Logic Cube LAP-C series", |
e519ba86 | 643 | .api_version = 1, |
c2fdcc25 | 644 | .init = std_init, |
700d6b64 | 645 | .cleanup = std_cleanup, |
6078d2c9 | 646 | .scan = scan, |
c01bf34c | 647 | .dev_list = std_dev_list, |
f778bf02 | 648 | .dev_clear = std_dev_clear, |
035a1078 BV |
649 | .config_get = config_get, |
650 | .config_set = config_set, | |
a1c743fc | 651 | .config_list = config_list, |
6078d2c9 UH |
652 | .dev_open = dev_open, |
653 | .dev_close = dev_close, | |
654 | .dev_acquisition_start = dev_acquisition_start, | |
655 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 656 | .context = NULL, |
a1bb33af | 657 | }; |
dd5c48a6 | 658 | SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info); |