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01cf8814 DR |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com> | |
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. | |
8a839354 UH |
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/>. | |
01cf8814 DR |
18 | */ |
19 | ||
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <unistd.h> | |
24 | #include <fcntl.h> | |
25 | #include <sys/time.h> | |
26 | #include <inttypes.h> | |
27 | #include <glib.h> | |
28 | #include <libudev.h> | |
29 | #include <sigrok.h> | |
30 | #include <arpa/inet.h> | |
1483577e | 31 | #include <sigrok-internal.h> |
01cf8814 DR |
32 | #include "config.h" |
33 | #include "link-mso19.h" | |
34 | ||
35 | #define USB_VENDOR "3195" | |
36 | #define USB_PRODUCT "f190" | |
37 | ||
38 | static int capabilities[] = { | |
5a2326a7 UH |
39 | SR_HWCAP_LOGIC_ANALYZER, |
40 | // SR_HWCAP_OSCILLOSCOPE, | |
41 | // SR_HWCAP_PAT_GENERATOR, | |
01cf8814 | 42 | |
5a2326a7 UH |
43 | SR_HWCAP_SAMPLERATE, |
44 | // SR_HWCAP_CAPTURE_RATIO, | |
45 | SR_HWCAP_LIMIT_SAMPLES, | |
01cf8814 DR |
46 | 0, |
47 | }; | |
48 | ||
49 | static uint64_t supported_samplerates[] = { | |
c9140419 UH |
50 | SR_HZ(100), |
51 | SR_HZ(200), | |
52 | SR_HZ(500), | |
59df0c77 UH |
53 | SR_KHZ(1), |
54 | SR_KHZ(2), | |
55 | SR_KHZ(5), | |
56 | SR_KHZ(10), | |
57 | SR_KHZ(20), | |
58 | SR_KHZ(50), | |
59 | SR_KHZ(100), | |
60 | SR_KHZ(200), | |
61 | SR_KHZ(500), | |
62 | SR_MHZ(1), | |
63 | SR_MHZ(2), | |
64 | SR_MHZ(5), | |
65 | SR_MHZ(10), | |
66 | SR_MHZ(20), | |
67 | SR_MHZ(50), | |
68 | SR_MHZ(100), | |
69 | SR_MHZ(200), | |
70 | 0, | |
01cf8814 DR |
71 | }; |
72 | ||
60679b18 | 73 | static struct sr_samplerates samplerates = { |
c9140419 | 74 | SR_HZ(100), |
59df0c77 | 75 | SR_MHZ(200), |
c9140419 | 76 | SR_HZ(0), |
59df0c77 | 77 | supported_samplerates, |
01cf8814 DR |
78 | }; |
79 | ||
80 | static GSList *device_instances = NULL; | |
81 | ||
a00ba012 | 82 | static int mso_send_control_message(struct sr_device_instance *sdi, |
01cf8814 DR |
83 | uint16_t payload[], int n) |
84 | { | |
85 | int fd = sdi->serial->fd; | |
86 | int i, w, ret, s = n * 2 + sizeof(mso_head) + sizeof(mso_foot); | |
87 | char *p, *buf; | |
88 | ||
89 | if (fd < 0) | |
90 | goto ret; | |
91 | ||
92 | buf = malloc(s); | |
93 | if (!buf) | |
94 | goto ret; | |
95 | ||
96 | p = buf; | |
97 | memcpy(p, mso_head, sizeof(mso_head)); | |
98 | p += sizeof(mso_head); | |
99 | ||
100 | for (i = 0; i < n; i++) { | |
101 | *(uint16_t *) p = htons(payload[i]); | |
102 | p += 2; | |
103 | } | |
104 | memcpy(p, mso_foot, sizeof(mso_foot)); | |
105 | ||
106 | w = 0; | |
107 | while (w < s) { | |
2119ab03 | 108 | ret = serial_write(fd, buf + w, s - w); |
01cf8814 | 109 | if (ret < 0) { |
e46b8fb1 | 110 | ret = SR_ERR; |
01cf8814 DR |
111 | goto free; |
112 | } | |
113 | w += ret; | |
114 | } | |
e46b8fb1 | 115 | ret = SR_OK; |
01cf8814 DR |
116 | free: |
117 | free(buf); | |
118 | ret: | |
119 | return ret; | |
120 | } | |
121 | ||
a00ba012 | 122 | static int mso_reset_adc(struct sr_device_instance *sdi) |
01cf8814 DR |
123 | { |
124 | struct mso *mso = sdi->priv; | |
125 | uint16_t ops[2]; | |
126 | ||
127 | ops[0] = mso_trans(REG_CTL, (mso->ctlbase | BIT_CTL_RESETADC)); | |
128 | ops[1] = mso_trans(REG_CTL, mso->ctlbase); | |
129 | mso->ctlbase |= BIT_CTL_ADC_UNKNOWN4; | |
130 | ||
131 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
132 | } | |
133 | ||
a00ba012 | 134 | static int mso_reset_fsm(struct sr_device_instance *sdi) |
01cf8814 DR |
135 | { |
136 | struct mso *mso = sdi->priv; | |
137 | uint16_t ops[1]; | |
138 | ||
139 | mso->ctlbase |= BIT_CTL_RESETFSM; | |
140 | ops[0] = mso_trans(REG_CTL, mso->ctlbase); | |
141 | ||
142 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
143 | } | |
144 | ||
a00ba012 | 145 | static int mso_toggle_led(struct sr_device_instance *sdi, int state) |
01cf8814 DR |
146 | { |
147 | struct mso *mso = sdi->priv; | |
148 | uint16_t ops[1]; | |
149 | ||
150 | mso->ctlbase &= BIT_CTL_LED; | |
151 | if (state) | |
152 | mso->ctlbase |= BIT_CTL_LED; | |
153 | ops[0] = mso_trans(REG_CTL, mso->ctlbase); | |
154 | ||
155 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
156 | } | |
157 | ||
a00ba012 | 158 | static int mso_check_trigger(struct sr_device_instance *sdi, |
01cf8814 DR |
159 | uint8_t *info) |
160 | { | |
161 | uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) }; | |
162 | char buf[1]; | |
163 | int ret; | |
164 | ||
165 | ret = mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
e46b8fb1 | 166 | if (info == NULL || ret != SR_OK) |
01cf8814 DR |
167 | return ret; |
168 | ||
169 | buf[0] = 0; | |
2119ab03 | 170 | if (serial_read(sdi->serial->fd, buf, 1) != 1) /* FIXME: Need timeout */ |
e46b8fb1 | 171 | ret = SR_ERR; |
01cf8814 DR |
172 | *info = buf[0]; |
173 | ||
174 | return ret; | |
175 | } | |
176 | ||
a00ba012 | 177 | static int mso_read_buffer(struct sr_device_instance *sdi) |
01cf8814 DR |
178 | { |
179 | uint16_t ops[] = { mso_trans(REG_BUFFER, 0) }; | |
180 | ||
181 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
182 | } | |
183 | ||
a00ba012 | 184 | static int mso_arm(struct sr_device_instance *sdi) |
01cf8814 DR |
185 | { |
186 | struct mso *mso = sdi->priv; | |
187 | uint16_t ops[] = { | |
188 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETFSM), | |
189 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_ARM), | |
190 | mso_trans(REG_CTL, mso->ctlbase), | |
191 | }; | |
192 | ||
193 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
194 | } | |
195 | ||
a00ba012 | 196 | static int mso_force_capture(struct sr_device_instance *sdi) |
01cf8814 DR |
197 | { |
198 | struct mso *mso = sdi->priv; | |
199 | uint16_t ops[] = { | |
200 | mso_trans(REG_CTL, mso->ctlbase | 8), | |
201 | mso_trans(REG_CTL, mso->ctlbase), | |
202 | }; | |
203 | ||
204 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
205 | } | |
206 | ||
a00ba012 | 207 | static int mso_dac_out(struct sr_device_instance *sdi, uint16_t val) |
01cf8814 DR |
208 | { |
209 | struct mso *mso = sdi->priv; | |
210 | uint16_t ops[] = { | |
211 | mso_trans(REG_DAC1, (val >> 8) & 0xff), | |
212 | mso_trans(REG_DAC2, val & 0xff), | |
213 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETADC), | |
214 | }; | |
215 | ||
216 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
217 | } | |
218 | ||
a00ba012 | 219 | static int mso_clkrate_out(struct sr_device_instance *sdi, uint16_t val) |
01cf8814 DR |
220 | { |
221 | uint16_t ops[] = { | |
222 | mso_trans(REG_CLKRATE1, (val >> 8) & 0xff), | |
223 | mso_trans(REG_CLKRATE2, val & 0xff), | |
224 | }; | |
225 | ||
226 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
227 | } | |
228 | ||
a00ba012 | 229 | static int mso_configure_rate(struct sr_device_instance *sdi, |
01cf8814 DR |
230 | uint32_t rate) |
231 | { | |
232 | struct mso *mso = sdi->priv; | |
233 | unsigned int i; | |
e46b8fb1 | 234 | int ret = SR_ERR; |
01cf8814 DR |
235 | |
236 | for (i = 0; i < ARRAY_SIZE(rate_map); i++) { | |
237 | if (rate_map[i].rate == rate) { | |
238 | mso->slowmode = rate_map[i].slowmode; | |
239 | ret = mso_clkrate_out(sdi, rate_map[i].val); | |
e46b8fb1 | 240 | if (ret == SR_OK) |
01cf8814 DR |
241 | mso->cur_rate = rate; |
242 | return ret; | |
243 | } | |
244 | } | |
245 | return ret; | |
246 | } | |
247 | ||
01cf8814 DR |
248 | static inline uint16_t mso_calc_raw_from_mv(struct mso *mso) |
249 | { | |
250 | return (uint16_t) (0x200 - | |
251 | ((mso->dso_trigger_voltage / mso->dso_probe_attn) / | |
252 | mso->vbit)); | |
253 | } | |
254 | ||
a00ba012 | 255 | static int mso_configure_trigger(struct sr_device_instance *sdi) |
01cf8814 DR |
256 | { |
257 | struct mso *mso = sdi->priv; | |
258 | uint16_t ops[16]; | |
259 | uint16_t dso_trigger = mso_calc_raw_from_mv(mso); | |
260 | ||
261 | dso_trigger &= 0x3ff; | |
262 | if ((!mso->trigger_slope && mso->trigger_chan == 1) || | |
263 | (mso->trigger_slope && | |
264 | (mso->trigger_chan == 0 || | |
265 | mso->trigger_chan == 2 || | |
266 | mso->trigger_chan == 3))) | |
267 | dso_trigger |= 0x400; | |
268 | ||
269 | switch (mso->trigger_chan) { | |
270 | case 1: | |
271 | dso_trigger |= 0xe000; | |
272 | case 2: | |
273 | dso_trigger |= 0x4000; | |
274 | break; | |
275 | case 3: | |
276 | dso_trigger |= 0x2000; | |
277 | break; | |
278 | case 4: | |
279 | dso_trigger |= 0xa000; | |
280 | break; | |
281 | case 5: | |
282 | dso_trigger |= 0x8000; | |
283 | break; | |
284 | default: | |
285 | case 0: | |
286 | break; | |
287 | } | |
288 | ||
289 | switch (mso->trigger_outsrc) { | |
290 | case 1: | |
291 | dso_trigger |= 0x800; | |
292 | break; | |
293 | case 2: | |
294 | dso_trigger |= 0x1000; | |
295 | break; | |
296 | case 3: | |
297 | dso_trigger |= 0x1800; | |
298 | break; | |
299 | ||
300 | } | |
301 | ||
302 | ops[0] = mso_trans(5, mso->la_trigger); | |
303 | ops[1] = mso_trans(6, mso->la_trigger_mask); | |
304 | ops[2] = mso_trans(3, dso_trigger & 0xff); | |
305 | ops[3] = mso_trans(4, (dso_trigger >> 8) & 0xff); | |
306 | ops[4] = mso_trans(11, | |
59df0c77 | 307 | mso->dso_trigger_width / SR_HZ_TO_NS(mso->cur_rate)); |
01cf8814 DR |
308 | ops[5] = mso_trans(15, (2 | mso->slowmode)); |
309 | ||
310 | /* FIXME SPI/I2C Triggers */ | |
311 | ops[6] = mso_trans(0, 0); | |
312 | ops[7] = mso_trans(1, 0); | |
313 | ops[8] = mso_trans(2, 0); | |
314 | ops[9] = mso_trans(3, 0); | |
315 | ops[10] = mso_trans(4, 0xff); | |
316 | ops[11] = mso_trans(5, 0xff); | |
317 | ops[12] = mso_trans(6, 0xff); | |
318 | ops[13] = mso_trans(7, 0xff); | |
319 | ops[14] = mso_trans(8, mso->trigger_spimode); | |
320 | ops[15] = mso_trans(15, mso->slowmode); | |
321 | ||
322 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
323 | } | |
324 | ||
a00ba012 | 325 | static int mso_configure_threshold_level(struct sr_device_instance *sdi) |
01cf8814 DR |
326 | { |
327 | struct mso *mso = sdi->priv; | |
328 | ||
329 | return mso_dac_out(sdi, la_threshold_map[mso->la_threshold]); | |
330 | } | |
331 | ||
332 | static int mso_parse_serial(const char *iSerial, const char *iProduct, | |
333 | struct mso *mso) | |
334 | { | |
335 | unsigned int u1, u2, u3, u4, u5, u6; | |
336 | ||
337 | iProduct = iProduct; | |
338 | /* FIXME: This code is in the original app, but I think its | |
339 | * used only for the GUI */ | |
340 | /* if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03")) | |
341 | mso->num_sample_rates = 0x16; | |
342 | else | |
343 | mso->num_sample_rates = 0x10; */ | |
344 | ||
345 | /* parse iSerial */ | |
346 | if (iSerial[0] != '4' || sscanf(iSerial, "%5u%3u%3u%1u%1u%6u", | |
347 | &u1, &u2, &u3, &u4, &u5, &u6) != 6) | |
e46b8fb1 | 348 | return SR_ERR; |
01cf8814 DR |
349 | mso->hwmodel = u4; |
350 | mso->hwrev = u5; | |
351 | mso->serial = u6; | |
352 | mso->vbit = u1 / 10000; | |
353 | if (mso->vbit == 0) | |
354 | mso->vbit = 4.19195; | |
355 | mso->dac_offset = u2; | |
356 | if (mso->dac_offset == 0) | |
357 | mso->dac_offset = 0x1ff; | |
358 | mso->offset_range = u3; | |
359 | if (mso->offset_range == 0) | |
360 | mso->offset_range = 0x17d; | |
361 | ||
362 | /* | |
363 | * FIXME: There is more code on the original software to handle | |
364 | * bigger iSerial strings, but as I can't test on my device | |
365 | * I will not implement it yet | |
366 | */ | |
367 | ||
e46b8fb1 | 368 | return SR_OK; |
01cf8814 DR |
369 | } |
370 | ||
54ac5277 | 371 | static int hw_init(const char *deviceinfo) |
01cf8814 | 372 | { |
a00ba012 | 373 | struct sr_device_instance *sdi; |
01cf8814 DR |
374 | int devcnt = 0; |
375 | struct udev *udev; | |
376 | struct udev_enumerate *enumerate; | |
377 | struct udev_list_entry *devices, *dev_list_entry; | |
378 | struct mso *mso; | |
379 | ||
380 | deviceinfo = deviceinfo; | |
381 | ||
382 | /* It's easier to map usb<->serial using udev */ | |
383 | /* | |
384 | * FIXME: On windows we can get the same information from the | |
385 | * registry, add an #ifdef here later | |
386 | */ | |
387 | udev = udev_new(); | |
388 | if (!udev) { | |
389 | g_warning("Failed to initialize udev."); | |
390 | goto ret; | |
391 | } | |
392 | enumerate = udev_enumerate_new(udev); | |
393 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
394 | udev_enumerate_scan_devices(enumerate); | |
395 | devices = udev_enumerate_get_list_entry(enumerate); | |
396 | udev_list_entry_foreach(dev_list_entry, devices) { | |
397 | const char *syspath, *sysname, *idVendor, *idProduct, | |
398 | *iSerial, *iProduct; | |
399 | char path[32], manufacturer[32], product[32], hwrev[32]; | |
400 | struct udev_device *dev, *parent; | |
401 | size_t s; | |
402 | ||
403 | syspath = udev_list_entry_get_name(dev_list_entry); | |
404 | dev = udev_device_new_from_syspath(udev, syspath); | |
405 | sysname = udev_device_get_sysname(dev); | |
406 | parent = udev_device_get_parent_with_subsystem_devtype( | |
407 | dev, "usb", "usb_device"); | |
408 | if (!parent) { | |
409 | g_warning("Unable to find parent usb device for %s", | |
410 | sysname); | |
411 | continue; | |
412 | } | |
413 | ||
414 | idVendor = udev_device_get_sysattr_value(parent, "idVendor"); | |
415 | idProduct = udev_device_get_sysattr_value(parent, "idProduct"); | |
416 | if (strcmp(USB_VENDOR, idVendor) | |
417 | || strcmp(USB_PRODUCT, idProduct)) | |
418 | continue; | |
419 | ||
420 | iSerial = udev_device_get_sysattr_value(parent, "serial"); | |
421 | iProduct = udev_device_get_sysattr_value(parent, "product"); | |
422 | ||
423 | snprintf(path, sizeof(path), "/dev/%s", sysname); | |
424 | ||
425 | s = strcspn(iProduct, " "); | |
426 | if (s > sizeof(product) || | |
427 | strlen(iProduct) - s > sizeof(manufacturer)) { | |
428 | g_warning("Could not parse iProduct: %s", iProduct); | |
429 | continue; | |
430 | } | |
431 | strncpy(product, iProduct, s); | |
432 | product[s] = 0; | |
433 | strcpy(manufacturer, iProduct + s); | |
434 | sprintf(hwrev, "r%d", mso->hwrev); | |
435 | ||
436 | mso = malloc(sizeof(struct mso)); | |
437 | if (!mso) | |
438 | continue; | |
439 | memset(mso, 0, sizeof(struct mso)); | |
440 | ||
e46b8fb1 | 441 | if (mso_parse_serial(iSerial, iProduct, mso) != SR_OK) { |
01cf8814 DR |
442 | g_warning("Invalid iSerial: %s", iSerial); |
443 | goto err_free_mso; | |
444 | } | |
445 | /* hardware initial state */ | |
446 | mso->ctlbase = 0; | |
447 | ||
5a2326a7 | 448 | sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING, |
01cf8814 DR |
449 | manufacturer, product, hwrev); |
450 | if (!sdi) { | |
451 | g_warning("Unable to create device instance for %s", | |
452 | sysname); | |
453 | goto err_free_mso; | |
454 | } | |
455 | ||
456 | /* save a pointer to our private instance data */ | |
457 | sdi->priv = mso; | |
458 | ||
6c290072 | 459 | sdi->serial = sr_serial_device_instance_new(path, -1); |
01cf8814 DR |
460 | if (!sdi->serial) |
461 | goto err_device_instance_free; | |
462 | ||
463 | device_instances = g_slist_append(device_instances, sdi); | |
464 | devcnt++; | |
465 | continue; | |
466 | ||
467 | err_device_instance_free: | |
a00ba012 | 468 | sr_device_instance_free(sdi); |
01cf8814 DR |
469 | err_free_mso: |
470 | free(mso); | |
471 | } | |
472 | ||
473 | udev_enumerate_unref(enumerate); | |
474 | udev_unref(udev); | |
475 | ||
476 | ret: | |
477 | return devcnt; | |
478 | } | |
479 | ||
480 | static void hw_cleanup(void) | |
481 | { | |
482 | GSList *l; | |
a00ba012 | 483 | struct sr_device_instance *sdi; |
01cf8814 DR |
484 | |
485 | /* Properly close all devices. */ | |
486 | for (l = device_instances; l; l = l->next) { | |
487 | sdi = l->data; | |
488 | if (sdi->serial->fd != -1) | |
489 | serial_close(sdi->serial->fd); | |
490 | if (sdi->priv != NULL) | |
491 | free(sdi->priv); | |
a00ba012 | 492 | sr_device_instance_free(sdi); |
01cf8814 DR |
493 | } |
494 | g_slist_free(device_instances); | |
495 | device_instances = NULL; | |
496 | } | |
497 | ||
498 | static int hw_opendev(int device_index) | |
499 | { | |
a00ba012 | 500 | struct sr_device_instance *sdi; |
01cf8814 | 501 | struct mso *mso; |
e46b8fb1 | 502 | int ret = SR_ERR; |
01cf8814 | 503 | |
d32d961d | 504 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
505 | return ret; |
506 | ||
507 | mso = sdi->priv; | |
508 | sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR); | |
509 | if (sdi->serial->fd == -1) | |
510 | return ret; | |
511 | ||
512 | ret = serial_set_params(sdi->serial->fd, 460800, 8, 0, 1, 2); | |
e46b8fb1 | 513 | if (ret != SR_OK) |
01cf8814 DR |
514 | return ret; |
515 | ||
5a2326a7 | 516 | sdi->status = SR_ST_ACTIVE; |
01cf8814 DR |
517 | |
518 | /* FIXME: discard serial buffer */ | |
519 | ||
520 | mso_check_trigger(sdi, &mso->trigger_state); | |
521 | // g_warning("trigger state: %c", mso->trigger_state); | |
522 | ||
523 | ret = mso_reset_adc(sdi); | |
e46b8fb1 | 524 | if (ret != SR_OK) |
01cf8814 DR |
525 | return ret; |
526 | ||
527 | mso_check_trigger(sdi, &mso->trigger_state); | |
528 | // g_warning("trigger state: %c", mso->trigger_state); | |
529 | ||
530 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 531 | // if (ret != SR_OK) |
01cf8814 DR |
532 | // return ret; |
533 | ||
e46b8fb1 UH |
534 | // return SR_ERR; |
535 | return SR_OK; | |
01cf8814 DR |
536 | } |
537 | ||
538 | static void hw_closedev(int device_index) | |
539 | { | |
a00ba012 | 540 | struct sr_device_instance *sdi; |
01cf8814 | 541 | |
d32d961d | 542 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
543 | return; |
544 | ||
545 | if (sdi->serial->fd != -1) { | |
546 | serial_close(sdi->serial->fd); | |
547 | sdi->serial->fd = -1; | |
5a2326a7 | 548 | sdi->status = SR_ST_INACTIVE; |
01cf8814 DR |
549 | } |
550 | } | |
551 | ||
552 | static void *hw_get_device_info(int device_index, int device_info_id) | |
553 | { | |
a00ba012 | 554 | struct sr_device_instance *sdi; |
01cf8814 DR |
555 | struct mso *mso; |
556 | void *info = NULL; | |
557 | ||
d32d961d | 558 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
559 | return NULL; |
560 | mso = sdi->priv; | |
561 | ||
562 | switch (device_info_id) { | |
5a2326a7 | 563 | case SR_DI_INSTANCE: |
01cf8814 DR |
564 | info = sdi; |
565 | break; | |
5a2326a7 | 566 | case SR_DI_NUM_PROBES: /* FIXME: How to report analog probe? */ |
01cf8814 DR |
567 | info = GINT_TO_POINTER(8); |
568 | break; | |
5a2326a7 | 569 | case SR_DI_SAMPLERATES: |
01cf8814 DR |
570 | info = &samplerates; |
571 | break; | |
5a2326a7 | 572 | case SR_DI_TRIGGER_TYPES: |
01cf8814 DR |
573 | info = "01"; /* FIXME */ |
574 | break; | |
5a2326a7 | 575 | case SR_DI_CUR_SAMPLERATE: |
01cf8814 DR |
576 | info = &mso->cur_rate; |
577 | break; | |
578 | } | |
579 | return info; | |
580 | } | |
581 | ||
582 | static int hw_get_status(int device_index) | |
583 | { | |
a00ba012 | 584 | struct sr_device_instance *sdi; |
01cf8814 | 585 | |
d32d961d | 586 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
5a2326a7 | 587 | return SR_ST_NOT_FOUND; |
01cf8814 DR |
588 | |
589 | return sdi->status; | |
590 | } | |
591 | ||
592 | static int *hw_get_capabilities(void) | |
593 | { | |
594 | return capabilities; | |
595 | } | |
596 | ||
597 | static int hw_set_configuration(int device_index, int capability, void *value) | |
598 | { | |
a00ba012 | 599 | struct sr_device_instance *sdi; |
01cf8814 | 600 | |
d32d961d | 601 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 602 | return SR_ERR; |
01cf8814 DR |
603 | |
604 | switch (capability) { | |
5a2326a7 | 605 | case SR_HWCAP_SAMPLERATE: |
01cf8814 | 606 | return mso_configure_rate(sdi, *(uint64_t *) value); |
5a2326a7 UH |
607 | case SR_HWCAP_PROBECONFIG: |
608 | case SR_HWCAP_LIMIT_SAMPLES: | |
01cf8814 | 609 | default: |
e46b8fb1 | 610 | return SR_OK; /* FIXME */ |
01cf8814 | 611 | } |
01cf8814 DR |
612 | } |
613 | ||
614 | #define MSO_TRIGGER_UNKNOWN '!' | |
615 | #define MSO_TRIGGER_UNKNOWN1 '1' | |
616 | #define MSO_TRIGGER_UNKNOWN2 '2' | |
617 | #define MSO_TRIGGER_UNKNOWN3 '3' | |
618 | #define MSO_TRIGGER_WAIT '4' | |
619 | #define MSO_TRIGGER_FIRED '5' | |
620 | #define MSO_TRIGGER_DATAREADY '6' | |
621 | ||
622 | /* FIXME: Pass errors? */ | |
623 | static int receive_data(int fd, int revents, void *user_data) | |
624 | { | |
a00ba012 | 625 | struct sr_device_instance *sdi = user_data; |
01cf8814 | 626 | struct mso *mso = sdi->priv; |
b9c735a2 | 627 | struct sr_datafeed_packet packet; |
01cf8814 DR |
628 | uint8_t in[1024], logic_out[1024]; |
629 | double analog_out[1024]; | |
630 | size_t i, s; | |
631 | ||
632 | revents = revents; | |
633 | ||
2119ab03 | 634 | s = serial_read(fd, in, sizeof(in)); |
01cf8814 DR |
635 | if (s <= 0) |
636 | return FALSE; | |
637 | ||
638 | /* No samples */ | |
639 | if (mso->trigger_state != MSO_TRIGGER_DATAREADY) { | |
640 | mso->trigger_state = in[0]; | |
641 | if (mso->trigger_state == MSO_TRIGGER_DATAREADY) { | |
642 | mso_read_buffer(sdi); | |
643 | mso->buffer_n = 0; | |
644 | } else { | |
645 | mso_check_trigger(sdi, NULL); | |
646 | } | |
647 | return FALSE; | |
648 | } | |
649 | ||
650 | /* the hardware always dumps 1024 samples, 24bits each */ | |
651 | if (mso->buffer_n < 3072) { | |
652 | memcpy(mso->buffer + mso->buffer_n, in, s); | |
653 | mso->buffer_n += s; | |
654 | } | |
655 | if (mso->buffer_n < 3072) | |
656 | return FALSE; | |
657 | ||
658 | /* do the conversion */ | |
659 | for (i = 0; i < 1024; i++) { | |
660 | /* FIXME: Need to do conversion to mV */ | |
661 | analog_out[i] = (mso->buffer[i * 3] & 0x3f) | | |
662 | ((mso->buffer[i * 3 + 1] & 0xf) << 6); | |
663 | logic_out[i] = ((mso->buffer[i * 3 + 1] & 0x30) >> 4) | | |
664 | ((mso->buffer[i * 3 + 2] & 0x3f) << 2); | |
665 | } | |
666 | ||
5a2326a7 | 667 | packet.type = SR_DF_LOGIC; |
01cf8814 DR |
668 | packet.length = 1024; |
669 | packet.unitsize = 1; | |
670 | packet.payload = logic_out; | |
8a2efef2 | 671 | sr_session_bus(mso->session_id, &packet); |
01cf8814 DR |
672 | |
673 | ||
5a2326a7 | 674 | packet.type = SR_DF_ANALOG; |
01cf8814 DR |
675 | packet.length = 1024; |
676 | packet.unitsize = sizeof(double); | |
677 | packet.payload = analog_out; | |
8a2efef2 | 678 | sr_session_bus(mso->session_id, &packet); |
01cf8814 | 679 | |
5a2326a7 | 680 | packet.type = SR_DF_END; |
8a2efef2 | 681 | sr_session_bus(mso->session_id, &packet); |
01cf8814 DR |
682 | |
683 | return TRUE; | |
684 | } | |
685 | ||
686 | static int hw_start_acquisition(int device_index, gpointer session_device_id) | |
687 | { | |
a00ba012 | 688 | struct sr_device_instance *sdi; |
01cf8814 | 689 | struct mso *mso; |
b9c735a2 UH |
690 | struct sr_datafeed_packet packet; |
691 | struct sr_datafeed_header header; | |
e46b8fb1 | 692 | int ret = SR_ERR; |
01cf8814 | 693 | |
d32d961d | 694 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
695 | return ret; |
696 | mso = sdi->priv; | |
697 | ||
698 | /* FIXME: No need to do full reconfigure every time */ | |
699 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 700 | // if (ret != SR_OK) |
01cf8814 DR |
701 | // return ret; |
702 | ||
703 | /* FIXME: ACDC Mode */ | |
704 | mso->ctlbase &= 0x7f; | |
705 | // mso->ctlbase |= mso->acdcmode; | |
706 | ||
707 | ret = mso_configure_rate(sdi, mso->cur_rate); | |
e46b8fb1 | 708 | if (ret != SR_OK) |
01cf8814 DR |
709 | return ret; |
710 | ||
711 | /* set dac offset */ | |
712 | ret = mso_dac_out(sdi, mso->dac_offset); | |
e46b8fb1 | 713 | if (ret != SR_OK) |
01cf8814 DR |
714 | return ret; |
715 | ||
716 | ret = mso_configure_threshold_level(sdi); | |
e46b8fb1 | 717 | if (ret != SR_OK) |
01cf8814 DR |
718 | return ret; |
719 | ||
720 | ret = mso_configure_trigger(sdi); | |
e46b8fb1 | 721 | if (ret != SR_OK) |
01cf8814 DR |
722 | return ret; |
723 | ||
724 | /* FIXME: trigger_position */ | |
725 | ||
726 | ||
727 | /* END of config hardware part */ | |
728 | ||
729 | /* with trigger */ | |
730 | ret = mso_arm(sdi); | |
e46b8fb1 | 731 | if (ret != SR_OK) |
01cf8814 DR |
732 | return ret; |
733 | ||
734 | /* without trigger */ | |
735 | // ret = mso_force_capture(sdi); | |
e46b8fb1 | 736 | // if (ret != SR_OK) |
01cf8814 DR |
737 | // return ret; |
738 | ||
739 | mso_check_trigger(sdi, &mso->trigger_state); | |
740 | ret = mso_check_trigger(sdi, NULL); | |
e46b8fb1 | 741 | if (ret != SR_OK) |
01cf8814 DR |
742 | return ret; |
743 | ||
744 | mso->session_id = session_device_id; | |
6f1be0a2 | 745 | sr_source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, sdi); |
01cf8814 | 746 | |
5a2326a7 | 747 | packet.type = SR_DF_HEADER; |
b9c735a2 | 748 | packet.length = sizeof(struct sr_datafeed_header); |
01cf8814 DR |
749 | packet.payload = (unsigned char *) &header; |
750 | header.feed_version = 1; | |
751 | gettimeofday(&header.starttime, NULL); | |
752 | header.samplerate = mso->cur_rate; | |
753 | header.num_analog_probes = 1; | |
754 | header.num_logic_probes = 8; | |
5a2326a7 | 755 | header.protocol_id = SR_PROTO_RAW; |
8a2efef2 | 756 | sr_session_bus(session_device_id, &packet); |
01cf8814 DR |
757 | |
758 | return ret; | |
759 | } | |
760 | ||
761 | /* FIXME */ | |
762 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) | |
763 | { | |
b9c735a2 | 764 | struct sr_datafeed_packet packet; |
01cf8814 DR |
765 | |
766 | device_index = device_index; | |
767 | ||
5a2326a7 | 768 | packet.type = SR_DF_END; |
8a2efef2 | 769 | sr_session_bus(session_device_id, &packet); |
01cf8814 DR |
770 | } |
771 | ||
5c2d46d1 | 772 | struct sr_device_plugin link_mso19_plugin_info = { |
01cf8814 | 773 | .name = "link-mso19", |
9f8274a5 | 774 | .longname = "Link Instruments MSO-19", |
01cf8814 DR |
775 | .api_version = 1, |
776 | .init = hw_init, | |
777 | .cleanup = hw_cleanup, | |
01cf8814 DR |
778 | .open = hw_opendev, |
779 | .close = hw_closedev, | |
780 | .get_device_info = hw_get_device_info, | |
781 | .get_status = hw_get_status, | |
782 | .get_capabilities = hw_get_capabilities, | |
783 | .set_configuration = hw_set_configuration, | |
784 | .start_acquisition = hw_start_acquisition, | |
785 | .stop_acquisition = hw_stop_acquisition, | |
786 | }; |