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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 | |
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 | } |
e495a676 | 206 | /* Skip if the device was not found. */ |
428edbe1 BV |
207 | if (!prof) |
208 | continue; | |
e495a676 | 209 | sr_info("Found ZEROPLUS %s.", prof->model_name); |
428edbe1 BV |
210 | |
211 | /* Register the device with libsigrok. */ | |
aac29cc1 | 212 | sdi = g_malloc0(sizeof(struct sr_dev_inst)); |
0af636be UH |
213 | sdi->status = SR_ST_INACTIVE; |
214 | sdi->vendor = g_strdup(VENDOR_NAME); | |
215 | sdi->model = g_strdup(prof->model_name); | |
ee4f9bb1 SA |
216 | sdi->serial_num = g_strdup(serial_num); |
217 | sdi->connection_id = g_strdup(connection_id); | |
428edbe1 BV |
218 | |
219 | /* Allocate memory for our private driver context. */ | |
f57d8ffe | 220 | devc = g_malloc0(sizeof(struct dev_context)); |
310e9e9b | 221 | sdi->priv = devc; |
17548571 | 222 | devc->prof = prof; |
310e9e9b | 223 | devc->num_channels = prof->channels; |
0ab0cb94 | 224 | #ifdef ZP_EXPERIMENTAL |
e93fb98b | 225 | devc->max_sample_depth = 128 * 1024; |
0ab0cb94 TY |
226 | devc->max_samplerate = 200; |
227 | #else | |
e93fb98b | 228 | devc->max_sample_depth = prof->sample_depth * 1024; |
0ab0cb94 TY |
229 | devc->max_samplerate = prof->max_sampling_freq; |
230 | #endif | |
231 | devc->max_samplerate *= SR_MHZ(1); | |
232 | devc->memory_size = MEMORY_SIZE_8K; | |
310e9e9b | 233 | // memset(devc->trigger_buffer, 0, NUM_TRIGGER_STAGES); |
428edbe1 | 234 | |
ba7dd8bb | 235 | /* Fill in channellist according to this device's profile. */ |
5e23fcab ML |
236 | for (j = 0; j < devc->num_channels; j++) |
237 | sr_channel_new(sdi, j, SR_CHANNEL_LOGIC, TRUE, | |
c368e6f3 | 238 | channel_names[j]); |
428edbe1 BV |
239 | |
240 | devices = g_slist_append(devices, sdi); | |
8111446a | 241 | sdi->inst_type = SR_INST_USB; |
609bfd75 | 242 | sdi->conn = sr_usb_dev_inst_new( |
428edbe1 BV |
243 | libusb_get_bus_number(devlist[i]), |
244 | libusb_get_device_address(devlist[i]), NULL); | |
a1bb33af UH |
245 | } |
246 | libusb_free_device_list(devlist, 1); | |
247 | ||
15a5bfe4 | 248 | return std_scan_complete(di, devices); |
a1bb33af UH |
249 | } |
250 | ||
6078d2c9 | 251 | static int dev_open(struct sr_dev_inst *sdi) |
a1bb33af | 252 | { |
4f840ce9 | 253 | struct sr_dev_driver *di = sdi->driver; |
310e9e9b | 254 | struct dev_context *devc; |
e495a676 | 255 | struct drv_context *drvc; |
609bfd75 | 256 | struct sr_usb_dev_inst *usb; |
87629577 | 257 | int ret; |
a1bb33af | 258 | |
41812aca | 259 | drvc = di->context; |
609bfd75 | 260 | usb = sdi->conn; |
61c90858 | 261 | devc = sdi->priv; |
bf43ea23 | 262 | |
87629577 LPC |
263 | ret = sr_usb_open(drvc->sr_ctx->libusb_ctx, usb); |
264 | if (ret != SR_OK) | |
265 | return ret; | |
428edbe1 | 266 | |
609bfd75 | 267 | ret = libusb_set_configuration(usb->devhdl, USB_CONFIGURATION); |
ebc34738 | 268 | if (ret < 0) { |
6d116114 | 269 | sr_err("Unable to set USB configuration %d: %s.", |
d4928d71 | 270 | USB_CONFIGURATION, libusb_error_name(ret)); |
185ae2c5 UH |
271 | return SR_ERR; |
272 | } | |
273 | ||
609bfd75 | 274 | ret = libusb_claim_interface(usb->devhdl, USB_INTERFACE); |
ebc34738 | 275 | if (ret != 0) { |
6d116114 | 276 | sr_err("Unable to claim interface: %s.", |
d4928d71 | 277 | libusb_error_name(ret)); |
e46b8fb1 | 278 | return SR_ERR; |
a1bb33af | 279 | } |
185ae2c5 | 280 | |
e495a676 | 281 | /* Set default configuration after power on. */ |
609bfd75 BV |
282 | if (analyzer_read_status(usb->devhdl) == 0) |
283 | analyzer_configure(usb->devhdl); | |
0ab0cb94 | 284 | |
609bfd75 BV |
285 | analyzer_reset(usb->devhdl); |
286 | analyzer_initialize(usb->devhdl); | |
a1bb33af | 287 | |
0ab0cb94 | 288 | //analyzer_set_memory_size(MEMORY_SIZE_512K); |
fed16f06 | 289 | // analyzer_set_freq(g_freq, g_freq_scale); |
a1bb33af | 290 | analyzer_set_trigger_count(1); |
408e7199 UH |
291 | // analyzer_set_ramsize_trigger_address((((100 - g_pre_trigger) |
292 | // * get_memory_size(g_memory_size)) / 100) >> 2); | |
a1bb33af | 293 | |
fed16f06 UH |
294 | #if 0 |
295 | if (g_double_mode == 1) | |
a1bb33af UH |
296 | analyzer_set_compression(COMPRESSION_DOUBLE); |
297 | else if (g_compression == 1) | |
298 | analyzer_set_compression(COMPRESSION_ENABLE); | |
fed16f06 UH |
299 | else |
300 | #endif | |
301 | analyzer_set_compression(COMPRESSION_NONE); | |
a1bb33af | 302 | |
310e9e9b | 303 | if (devc->cur_samplerate == 0) { |
0ab0cb94 TY |
304 | /* Samplerate hasn't been set. Default to 1MHz. */ |
305 | analyzer_set_freq(1, FREQ_SCALE_MHZ); | |
306 | devc->cur_samplerate = SR_MHZ(1); | |
a1bb33af UH |
307 | } |
308 | ||
7142d6b9 RD |
309 | if (devc->cur_threshold == 0) |
310 | set_voltage_threshold(devc, 1.5); | |
311 | ||
e46b8fb1 | 312 | return SR_OK; |
a1bb33af UH |
313 | } |
314 | ||
6078d2c9 | 315 | static int dev_close(struct sr_dev_inst *sdi) |
a1bb33af | 316 | { |
609bfd75 | 317 | struct sr_usb_dev_inst *usb; |
a1bb33af | 318 | |
609bfd75 | 319 | usb = sdi->conn; |
697785d1 | 320 | |
609bfd75 | 321 | if (!usb->devhdl) |
25a0f108 BV |
322 | return SR_ERR; |
323 | ||
ee4f9bb1 SA |
324 | sr_info("Closing device on %d.%d (logical) / %s (physical) interface %d.", |
325 | usb->bus, usb->address, sdi->connection_id, USB_INTERFACE); | |
609bfd75 BV |
326 | libusb_release_interface(usb->devhdl, USB_INTERFACE); |
327 | libusb_reset_device(usb->devhdl); | |
328 | libusb_close(usb->devhdl); | |
329 | usb->devhdl = NULL; | |
25a0f108 | 330 | sdi->status = SR_ST_INACTIVE; |
697785d1 UH |
331 | |
332 | return SR_OK; | |
a1bb33af UH |
333 | } |
334 | ||
584560f1 | 335 | static int config_get(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 336 | const struct sr_channel_group *cg) |
a1bb33af | 337 | { |
310e9e9b | 338 | struct dev_context *devc; |
dcd438ee | 339 | GVariant *range[2]; |
a1bb33af | 340 | |
53b4680f | 341 | (void)cg; |
8f996b89 | 342 | |
dcd438ee UH |
343 | if (!sdi) |
344 | return SR_ERR_ARG; | |
345 | ||
346 | devc = sdi->priv; | |
347 | ||
584560f1 | 348 | switch (key) { |
123e1313 | 349 | case SR_CONF_SAMPLERATE: |
dcd438ee | 350 | *data = g_variant_new_uint64(devc->cur_samplerate); |
bf43ea23 | 351 | break; |
05f853b5 | 352 | case SR_CONF_CAPTURE_RATIO: |
dcd438ee | 353 | *data = g_variant_new_uint64(devc->capture_ratio); |
05f853b5 | 354 | break; |
7142d6b9 | 355 | case SR_CONF_VOLTAGE_THRESHOLD: |
dcd438ee UH |
356 | range[0] = g_variant_new_double(devc->cur_threshold); |
357 | range[1] = g_variant_new_double(devc->cur_threshold); | |
358 | *data = g_variant_new_tuple(range, 2); | |
67055d4c | 359 | break; |
bf43ea23 | 360 | default: |
bd6fbf62 | 361 | return SR_ERR_NA; |
a1bb33af UH |
362 | } |
363 | ||
626409ab | 364 | return SR_OK; |
a1bb33af UH |
365 | } |
366 | ||
584560f1 | 367 | static int config_set(uint32_t key, GVariant *data, const struct sr_dev_inst *sdi, |
53b4680f | 368 | const struct sr_channel_group *cg) |
a1bb33af | 369 | { |
310e9e9b | 370 | struct dev_context *devc; |
7142d6b9 | 371 | gdouble low, high; |
a1bb33af | 372 | |
53b4680f | 373 | (void)cg; |
8f996b89 | 374 | |
b0baddef | 375 | devc = sdi->priv; |
a1bb33af | 376 | |
584560f1 | 377 | switch (key) { |
1953564a | 378 | case SR_CONF_SAMPLERATE: |
8386096f | 379 | return zp_set_samplerate(devc, g_variant_get_uint64(data)); |
1953564a | 380 | case SR_CONF_LIMIT_SAMPLES: |
8386096f | 381 | return set_limit_samples(devc, g_variant_get_uint64(data)); |
1953564a | 382 | case SR_CONF_CAPTURE_RATIO: |
8386096f | 383 | return set_capture_ratio(devc, g_variant_get_uint64(data)); |
7142d6b9 RD |
384 | case SR_CONF_VOLTAGE_THRESHOLD: |
385 | g_variant_get(data, "(dd)", &low, &high); | |
386 | return set_voltage_threshold(devc, (low + high) / 2.0); | |
fed16f06 | 387 | default: |
bd6fbf62 | 388 | return SR_ERR_NA; |
a1bb33af | 389 | } |
e495a676 UH |
390 | |
391 | return SR_OK; | |
a1bb33af UH |
392 | } |
393 | ||
584560f1 | 394 | static int config_list(uint32_t key, GVariant **data, const struct sr_dev_inst *sdi, |
53b4680f | 395 | const struct sr_channel_group *cg) |
a1c743fc | 396 | { |
17548571 | 397 | struct dev_context *devc; |
f0de2dd0 | 398 | GVariant *gvar, *grange[2]; |
8386096f | 399 | GVariantBuilder gvb; |
7142d6b9 RD |
400 | double v; |
401 | GVariant *range[2]; | |
a1c743fc | 402 | |
53b4680f | 403 | (void)cg; |
8f996b89 | 404 | |
a1c743fc | 405 | switch (key) { |
9a6517d1 | 406 | case SR_CONF_DEVICE_OPTIONS: |
716d6dfc YS |
407 | if (!sdi) { |
408 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
d9251a2c | 409 | drvopts, ARRAY_SIZE(drvopts), sizeof(uint32_t)); |
716d6dfc YS |
410 | } else { |
411 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, | |
d9251a2c | 412 | devopts, ARRAY_SIZE(devopts), sizeof(uint32_t)); |
716d6dfc | 413 | } |
9a6517d1 | 414 | break; |
a1c743fc | 415 | case SR_CONF_SAMPLERATE: |
17548571 | 416 | devc = sdi->priv; |
8386096f | 417 | g_variant_builder_init(&gvb, G_VARIANT_TYPE("a{sv}")); |
17548571 | 418 | if (devc->prof->max_sampling_freq == 100) { |
8386096f BV |
419 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), |
420 | samplerates_100, ARRAY_SIZE(samplerates_100), | |
421 | sizeof(uint64_t)); | |
17548571 | 422 | } else if (devc->prof->max_sampling_freq == 200) { |
8386096f BV |
423 | gvar = g_variant_new_fixed_array(G_VARIANT_TYPE("t"), |
424 | samplerates_200, ARRAY_SIZE(samplerates_200), | |
425 | sizeof(uint64_t)); | |
17548571 UH |
426 | } else { |
427 | sr_err("Internal error: Unknown max. samplerate: %d.", | |
428 | devc->prof->max_sampling_freq); | |
429 | return SR_ERR_ARG; | |
430 | } | |
8386096f BV |
431 | g_variant_builder_add(&gvb, "{sv}", "samplerates", gvar); |
432 | *data = g_variant_builder_end(&gvb); | |
a1c743fc | 433 | break; |
28731bab BV |
434 | case SR_CONF_TRIGGER_MATCH: |
435 | *data = g_variant_new_fixed_array(G_VARIANT_TYPE_INT32, | |
436 | trigger_matches, ARRAY_SIZE(trigger_matches), | |
437 | sizeof(int32_t)); | |
c50277a6 | 438 | break; |
7142d6b9 RD |
439 | case SR_CONF_VOLTAGE_THRESHOLD: |
440 | g_variant_builder_init(&gvb, G_VARIANT_TYPE_ARRAY); | |
441 | for (v = -6.0; v <= 6.0; v += 0.1) { | |
442 | range[0] = g_variant_new_double(v); | |
443 | range[1] = g_variant_new_double(v); | |
444 | gvar = g_variant_new_tuple(range, 2); | |
445 | g_variant_builder_add_value(&gvb, gvar); | |
446 | } | |
447 | *data = g_variant_builder_end(&gvb); | |
448 | break; | |
f0de2dd0 BV |
449 | case SR_CONF_LIMIT_SAMPLES: |
450 | if (!sdi) | |
451 | return SR_ERR_ARG; | |
452 | devc = sdi->priv; | |
453 | grange[0] = g_variant_new_uint64(0); | |
454 | grange[1] = g_variant_new_uint64(devc->max_sample_depth); | |
455 | *data = g_variant_new_tuple(grange, 2); | |
456 | break; | |
a1c743fc | 457 | default: |
bd6fbf62 | 458 | return SR_ERR_NA; |
a1c743fc BV |
459 | } |
460 | ||
461 | return SR_OK; | |
462 | } | |
463 | ||
695dc859 | 464 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) |
a1bb33af | 465 | { |
609bfd75 BV |
466 | struct dev_context *devc; |
467 | struct sr_usb_dev_inst *usb; | |
b9c735a2 | 468 | struct sr_datafeed_packet packet; |
9c939c51 | 469 | struct sr_datafeed_logic logic; |
42ceb777 | 470 | unsigned int samples_read; |
a1bb33af | 471 | int res; |
e495a676 | 472 | unsigned int packet_num, n; |
a1bb33af | 473 | unsigned char *buf; |
42ceb777 RD |
474 | unsigned int status; |
475 | unsigned int stop_address; | |
476 | unsigned int now_address; | |
477 | unsigned int trigger_address; | |
478 | unsigned int trigger_offset; | |
479 | unsigned int triggerbar; | |
480 | unsigned int ramsize_trigger; | |
481 | unsigned int memory_size; | |
482 | unsigned int valid_samples; | |
483 | unsigned int discard; | |
484 | int trigger_now; | |
a1bb33af | 485 | |
208c1d35 | 486 | devc = sdi->priv; |
a1bb33af | 487 | |
28731bab BV |
488 | if (analyzer_add_triggers(sdi) != SR_OK) { |
489 | sr_err("Failed to configure triggers."); | |
014359e3 BV |
490 | return SR_ERR; |
491 | } | |
492 | ||
609bfd75 BV |
493 | usb = sdi->conn; |
494 | ||
0ab0cb94 TY |
495 | set_triggerbar(devc); |
496 | ||
e495a676 | 497 | /* Push configured settings to device. */ |
609bfd75 | 498 | analyzer_configure(usb->devhdl); |
a143e4e5 | 499 | |
609bfd75 | 500 | analyzer_start(usb->devhdl); |
6d116114 | 501 | sr_info("Waiting for data."); |
609bfd75 | 502 | analyzer_wait_data(usb->devhdl); |
a1bb33af | 503 | |
42ceb777 RD |
504 | status = analyzer_read_status(usb->devhdl); |
505 | stop_address = analyzer_get_stop_address(usb->devhdl); | |
506 | now_address = analyzer_get_now_address(usb->devhdl); | |
507 | trigger_address = analyzer_get_trigger_address(usb->devhdl); | |
508 | ||
509 | triggerbar = analyzer_get_triggerbar_address(); | |
510 | ramsize_trigger = analyzer_get_ramsize_trigger_address(); | |
511 | ||
512 | n = get_memory_size(devc->memory_size); | |
513 | memory_size = n / 4; | |
514 | ||
515 | sr_info("Status = 0x%x.", status); | |
516 | sr_info("Stop address = 0x%x.", stop_address); | |
517 | sr_info("Now address = 0x%x.", now_address); | |
518 | sr_info("Trigger address = 0x%x.", trigger_address); | |
519 | sr_info("Triggerbar address = 0x%x.", triggerbar); | |
520 | sr_info("Ramsize trigger = 0x%x.", ramsize_trigger); | |
521 | sr_info("Memory size = 0x%x.", memory_size); | |
a1bb33af | 522 | |
bee2b016 | 523 | std_session_send_df_header(sdi); |
f366e86c | 524 | |
42ceb777 RD |
525 | /* Check for empty capture */ |
526 | if ((status & STATUS_READY) && !stop_address) { | |
bee2b016 | 527 | std_session_send_df_end(sdi); |
42ceb777 RD |
528 | return SR_OK; |
529 | } | |
530 | ||
a95f142e | 531 | buf = g_malloc(PACKET_SIZE); |
b53738ba | 532 | |
42ceb777 RD |
533 | /* Check if the trigger is in the samples we are throwing away */ |
534 | trigger_now = now_address == trigger_address || | |
535 | ((now_address + 1) % memory_size) == trigger_address; | |
536 | ||
537 | /* | |
538 | * STATUS_READY doesn't clear until now_address advances past | |
539 | * addr 0, but for our logic, clear it in that case | |
540 | */ | |
541 | if (!now_address) | |
542 | status &= ~STATUS_READY; | |
543 | ||
609bfd75 | 544 | analyzer_read_start(usb->devhdl); |
42ceb777 RD |
545 | |
546 | /* Calculate how much data to discard */ | |
547 | discard = 0; | |
548 | if (status & STATUS_READY) { | |
549 | /* | |
550 | * We haven't wrapped around, we need to throw away data from | |
551 | * our current position to the end of the buffer. | |
552 | * Additionally, the first two samples captured are always | |
553 | * bogus. | |
554 | */ | |
555 | discard += memory_size - now_address + 2; | |
556 | now_address = 2; | |
557 | } | |
558 | ||
559 | /* If we have more samples than we need, discard them */ | |
560 | valid_samples = (stop_address - now_address) % memory_size; | |
561 | if (valid_samples > ramsize_trigger + triggerbar) { | |
562 | discard += valid_samples - (ramsize_trigger + triggerbar); | |
563 | now_address += valid_samples - (ramsize_trigger + triggerbar); | |
564 | } | |
565 | ||
566 | sr_info("Need to discard %d samples.", discard); | |
567 | ||
568 | /* Calculate how far in the trigger is */ | |
569 | if (trigger_now) | |
570 | trigger_offset = 0; | |
571 | else | |
572 | trigger_offset = (trigger_address - now_address) % memory_size; | |
573 | ||
574 | /* Recalculate the number of samples available */ | |
575 | valid_samples = (stop_address - now_address) % memory_size; | |
576 | ||
fed16f06 | 577 | /* Send the incoming transfer to the session bus. */ |
42ceb777 | 578 | samples_read = 0; |
0ab0cb94 | 579 | for (packet_num = 0; packet_num < n / PACKET_SIZE; packet_num++) { |
42ceb777 RD |
580 | unsigned int len; |
581 | unsigned int buf_offset; | |
582 | ||
609bfd75 | 583 | res = analyzer_read_data(usb->devhdl, buf, PACKET_SIZE); |
6d116114 | 584 | sr_info("Tried to read %d bytes, actually read %d bytes.", |
b08024a8 | 585 | PACKET_SIZE, res); |
a1bb33af | 586 | |
42ceb777 RD |
587 | if (discard >= PACKET_SIZE / 4) { |
588 | discard -= PACKET_SIZE / 4; | |
589 | continue; | |
590 | } | |
591 | ||
592 | len = PACKET_SIZE - discard * 4; | |
593 | buf_offset = discard * 4; | |
594 | discard = 0; | |
595 | ||
596 | /* Check if we've read all the samples */ | |
597 | if (samples_read + len / 4 >= valid_samples) | |
598 | len = (valid_samples - samples_read) * 4; | |
599 | if (!len) | |
600 | break; | |
601 | ||
602 | if (samples_read < trigger_offset && | |
603 | samples_read + len / 4 > trigger_offset) { | |
604 | /* Send out samples remaining before trigger */ | |
605 | packet.type = SR_DF_LOGIC; | |
606 | packet.payload = &logic; | |
607 | logic.length = (trigger_offset - samples_read) * 4; | |
608 | logic.unitsize = 4; | |
609 | logic.data = buf + buf_offset; | |
695dc859 | 610 | sr_session_send(sdi, &packet); |
42ceb777 RD |
611 | len -= logic.length; |
612 | samples_read += logic.length / 4; | |
613 | buf_offset += logic.length; | |
614 | } | |
615 | ||
616 | if (samples_read == trigger_offset) { | |
617 | /* Send out trigger */ | |
618 | packet.type = SR_DF_TRIGGER; | |
619 | packet.payload = NULL; | |
695dc859 | 620 | sr_session_send(sdi, &packet); |
42ceb777 RD |
621 | } |
622 | ||
623 | /* Send out data (or data after trigger) */ | |
5a2326a7 | 624 | packet.type = SR_DF_LOGIC; |
9c939c51 | 625 | packet.payload = &logic; |
42ceb777 | 626 | logic.length = len; |
9c939c51 | 627 | logic.unitsize = 4; |
42ceb777 | 628 | logic.data = buf + buf_offset; |
695dc859 | 629 | sr_session_send(sdi, &packet); |
42ceb777 | 630 | samples_read += len / 4; |
a1bb33af | 631 | } |
609bfd75 | 632 | analyzer_read_stop(usb->devhdl); |
a1bb33af UH |
633 | g_free(buf); |
634 | ||
bee2b016 | 635 | std_session_send_df_end(sdi); |
a1bb33af | 636 | |
e46b8fb1 | 637 | return SR_OK; |
a1bb33af UH |
638 | } |
639 | ||
3cd3a20b | 640 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
695dc859 | 641 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) |
a1bb33af | 642 | { |
609bfd75 | 643 | struct sr_usb_dev_inst *usb; |
a1bb33af | 644 | |
bee2b016 | 645 | std_session_send_df_end(sdi); |
a1bb33af | 646 | |
609bfd75 BV |
647 | usb = sdi->conn; |
648 | analyzer_reset(usb->devhdl); | |
fed16f06 | 649 | /* TODO: Need to cancel and free any queued up transfers. */ |
3010f21c UH |
650 | |
651 | return SR_OK; | |
a1bb33af UH |
652 | } |
653 | ||
dd5c48a6 | 654 | static struct sr_dev_driver zeroplus_logic_cube_driver_info = { |
e519ba86 | 655 | .name = "zeroplus-logic-cube", |
8fdecced | 656 | .longname = "ZEROPLUS Logic Cube LAP-C series", |
e519ba86 | 657 | .api_version = 1, |
c2fdcc25 | 658 | .init = std_init, |
700d6b64 | 659 | .cleanup = std_cleanup, |
6078d2c9 | 660 | .scan = scan, |
c01bf34c | 661 | .dev_list = std_dev_list, |
a6630742 | 662 | .dev_clear = NULL, |
035a1078 BV |
663 | .config_get = config_get, |
664 | .config_set = config_set, | |
a1c743fc | 665 | .config_list = config_list, |
6078d2c9 UH |
666 | .dev_open = dev_open, |
667 | .dev_close = dev_close, | |
668 | .dev_acquisition_start = dev_acquisition_start, | |
669 | .dev_acquisition_stop = dev_acquisition_stop, | |
41812aca | 670 | .context = NULL, |
a1bb33af | 671 | }; |
dd5c48a6 | 672 | SR_REGISTER_DEV_DRIVER(zeroplus_logic_cube_driver_info); |