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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 | ||
ecad043f UH |
89 | ret = SR_ERR; |
90 | ||
01cf8814 DR |
91 | if (fd < 0) |
92 | goto ret; | |
93 | ||
ecad043f UH |
94 | if (!(buf = g_try_malloc(s))) { |
95 | sr_err("mso19: %s: buf malloc failed", __func__); | |
96 | ret = SR_ERR_MALLOC; | |
01cf8814 | 97 | goto ret; |
ecad043f | 98 | } |
01cf8814 DR |
99 | |
100 | p = buf; | |
101 | memcpy(p, mso_head, sizeof(mso_head)); | |
102 | p += sizeof(mso_head); | |
103 | ||
104 | for (i = 0; i < n; i++) { | |
105 | *(uint16_t *) p = htons(payload[i]); | |
106 | p += 2; | |
107 | } | |
108 | memcpy(p, mso_foot, sizeof(mso_foot)); | |
109 | ||
110 | w = 0; | |
111 | while (w < s) { | |
2119ab03 | 112 | ret = serial_write(fd, buf + w, s - w); |
01cf8814 | 113 | if (ret < 0) { |
e46b8fb1 | 114 | ret = SR_ERR; |
01cf8814 DR |
115 | goto free; |
116 | } | |
117 | w += ret; | |
118 | } | |
e46b8fb1 | 119 | ret = SR_OK; |
01cf8814 | 120 | free: |
ecad043f | 121 | g_free(buf); |
01cf8814 DR |
122 | ret: |
123 | return ret; | |
124 | } | |
125 | ||
a00ba012 | 126 | static int mso_reset_adc(struct sr_device_instance *sdi) |
01cf8814 DR |
127 | { |
128 | struct mso *mso = sdi->priv; | |
129 | uint16_t ops[2]; | |
130 | ||
131 | ops[0] = mso_trans(REG_CTL, (mso->ctlbase | BIT_CTL_RESETADC)); | |
132 | ops[1] = mso_trans(REG_CTL, mso->ctlbase); | |
133 | mso->ctlbase |= BIT_CTL_ADC_UNKNOWN4; | |
134 | ||
135 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
136 | } | |
137 | ||
a00ba012 | 138 | static int mso_reset_fsm(struct sr_device_instance *sdi) |
01cf8814 DR |
139 | { |
140 | struct mso *mso = sdi->priv; | |
141 | uint16_t ops[1]; | |
142 | ||
143 | mso->ctlbase |= BIT_CTL_RESETFSM; | |
144 | ops[0] = mso_trans(REG_CTL, mso->ctlbase); | |
145 | ||
146 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
147 | } | |
148 | ||
a00ba012 | 149 | static int mso_toggle_led(struct sr_device_instance *sdi, int state) |
01cf8814 DR |
150 | { |
151 | struct mso *mso = sdi->priv; | |
152 | uint16_t ops[1]; | |
153 | ||
154 | mso->ctlbase &= BIT_CTL_LED; | |
155 | if (state) | |
156 | mso->ctlbase |= BIT_CTL_LED; | |
157 | ops[0] = mso_trans(REG_CTL, mso->ctlbase); | |
158 | ||
159 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
160 | } | |
161 | ||
a00ba012 | 162 | static int mso_check_trigger(struct sr_device_instance *sdi, |
01cf8814 DR |
163 | uint8_t *info) |
164 | { | |
165 | uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) }; | |
166 | char buf[1]; | |
167 | int ret; | |
168 | ||
169 | ret = mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
e46b8fb1 | 170 | if (info == NULL || ret != SR_OK) |
01cf8814 DR |
171 | return ret; |
172 | ||
173 | buf[0] = 0; | |
2119ab03 | 174 | if (serial_read(sdi->serial->fd, buf, 1) != 1) /* FIXME: Need timeout */ |
e46b8fb1 | 175 | ret = SR_ERR; |
01cf8814 DR |
176 | *info = buf[0]; |
177 | ||
178 | return ret; | |
179 | } | |
180 | ||
a00ba012 | 181 | static int mso_read_buffer(struct sr_device_instance *sdi) |
01cf8814 DR |
182 | { |
183 | uint16_t ops[] = { mso_trans(REG_BUFFER, 0) }; | |
184 | ||
185 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
186 | } | |
187 | ||
a00ba012 | 188 | static int mso_arm(struct sr_device_instance *sdi) |
01cf8814 DR |
189 | { |
190 | struct mso *mso = sdi->priv; | |
191 | uint16_t ops[] = { | |
192 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETFSM), | |
193 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_ARM), | |
194 | mso_trans(REG_CTL, mso->ctlbase), | |
195 | }; | |
196 | ||
197 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
198 | } | |
199 | ||
a00ba012 | 200 | static int mso_force_capture(struct sr_device_instance *sdi) |
01cf8814 DR |
201 | { |
202 | struct mso *mso = sdi->priv; | |
203 | uint16_t ops[] = { | |
204 | mso_trans(REG_CTL, mso->ctlbase | 8), | |
205 | mso_trans(REG_CTL, mso->ctlbase), | |
206 | }; | |
207 | ||
208 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
209 | } | |
210 | ||
a00ba012 | 211 | static int mso_dac_out(struct sr_device_instance *sdi, uint16_t val) |
01cf8814 DR |
212 | { |
213 | struct mso *mso = sdi->priv; | |
214 | uint16_t ops[] = { | |
215 | mso_trans(REG_DAC1, (val >> 8) & 0xff), | |
216 | mso_trans(REG_DAC2, val & 0xff), | |
217 | mso_trans(REG_CTL, mso->ctlbase | BIT_CTL_RESETADC), | |
218 | }; | |
219 | ||
220 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
221 | } | |
222 | ||
a00ba012 | 223 | static int mso_clkrate_out(struct sr_device_instance *sdi, uint16_t val) |
01cf8814 DR |
224 | { |
225 | uint16_t ops[] = { | |
226 | mso_trans(REG_CLKRATE1, (val >> 8) & 0xff), | |
227 | mso_trans(REG_CLKRATE2, val & 0xff), | |
228 | }; | |
229 | ||
230 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
231 | } | |
232 | ||
a00ba012 | 233 | static int mso_configure_rate(struct sr_device_instance *sdi, |
01cf8814 DR |
234 | uint32_t rate) |
235 | { | |
236 | struct mso *mso = sdi->priv; | |
237 | unsigned int i; | |
e46b8fb1 | 238 | int ret = SR_ERR; |
01cf8814 DR |
239 | |
240 | for (i = 0; i < ARRAY_SIZE(rate_map); i++) { | |
241 | if (rate_map[i].rate == rate) { | |
242 | mso->slowmode = rate_map[i].slowmode; | |
243 | ret = mso_clkrate_out(sdi, rate_map[i].val); | |
e46b8fb1 | 244 | if (ret == SR_OK) |
01cf8814 DR |
245 | mso->cur_rate = rate; |
246 | return ret; | |
247 | } | |
248 | } | |
249 | return ret; | |
250 | } | |
251 | ||
01cf8814 DR |
252 | static inline uint16_t mso_calc_raw_from_mv(struct mso *mso) |
253 | { | |
254 | return (uint16_t) (0x200 - | |
255 | ((mso->dso_trigger_voltage / mso->dso_probe_attn) / | |
256 | mso->vbit)); | |
257 | } | |
258 | ||
a00ba012 | 259 | static int mso_configure_trigger(struct sr_device_instance *sdi) |
01cf8814 DR |
260 | { |
261 | struct mso *mso = sdi->priv; | |
262 | uint16_t ops[16]; | |
263 | uint16_t dso_trigger = mso_calc_raw_from_mv(mso); | |
264 | ||
265 | dso_trigger &= 0x3ff; | |
266 | if ((!mso->trigger_slope && mso->trigger_chan == 1) || | |
267 | (mso->trigger_slope && | |
268 | (mso->trigger_chan == 0 || | |
269 | mso->trigger_chan == 2 || | |
270 | mso->trigger_chan == 3))) | |
271 | dso_trigger |= 0x400; | |
272 | ||
273 | switch (mso->trigger_chan) { | |
274 | case 1: | |
275 | dso_trigger |= 0xe000; | |
276 | case 2: | |
277 | dso_trigger |= 0x4000; | |
278 | break; | |
279 | case 3: | |
280 | dso_trigger |= 0x2000; | |
281 | break; | |
282 | case 4: | |
283 | dso_trigger |= 0xa000; | |
284 | break; | |
285 | case 5: | |
286 | dso_trigger |= 0x8000; | |
287 | break; | |
288 | default: | |
289 | case 0: | |
290 | break; | |
291 | } | |
292 | ||
293 | switch (mso->trigger_outsrc) { | |
294 | case 1: | |
295 | dso_trigger |= 0x800; | |
296 | break; | |
297 | case 2: | |
298 | dso_trigger |= 0x1000; | |
299 | break; | |
300 | case 3: | |
301 | dso_trigger |= 0x1800; | |
302 | break; | |
303 | ||
304 | } | |
305 | ||
306 | ops[0] = mso_trans(5, mso->la_trigger); | |
307 | ops[1] = mso_trans(6, mso->la_trigger_mask); | |
308 | ops[2] = mso_trans(3, dso_trigger & 0xff); | |
309 | ops[3] = mso_trans(4, (dso_trigger >> 8) & 0xff); | |
310 | ops[4] = mso_trans(11, | |
59df0c77 | 311 | mso->dso_trigger_width / SR_HZ_TO_NS(mso->cur_rate)); |
01cf8814 DR |
312 | ops[5] = mso_trans(15, (2 | mso->slowmode)); |
313 | ||
314 | /* FIXME SPI/I2C Triggers */ | |
315 | ops[6] = mso_trans(0, 0); | |
316 | ops[7] = mso_trans(1, 0); | |
317 | ops[8] = mso_trans(2, 0); | |
318 | ops[9] = mso_trans(3, 0); | |
319 | ops[10] = mso_trans(4, 0xff); | |
320 | ops[11] = mso_trans(5, 0xff); | |
321 | ops[12] = mso_trans(6, 0xff); | |
322 | ops[13] = mso_trans(7, 0xff); | |
323 | ops[14] = mso_trans(8, mso->trigger_spimode); | |
324 | ops[15] = mso_trans(15, mso->slowmode); | |
325 | ||
326 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
327 | } | |
328 | ||
a00ba012 | 329 | static int mso_configure_threshold_level(struct sr_device_instance *sdi) |
01cf8814 DR |
330 | { |
331 | struct mso *mso = sdi->priv; | |
332 | ||
333 | return mso_dac_out(sdi, la_threshold_map[mso->la_threshold]); | |
334 | } | |
335 | ||
336 | static int mso_parse_serial(const char *iSerial, const char *iProduct, | |
337 | struct mso *mso) | |
338 | { | |
339 | unsigned int u1, u2, u3, u4, u5, u6; | |
340 | ||
341 | iProduct = iProduct; | |
342 | /* FIXME: This code is in the original app, but I think its | |
343 | * used only for the GUI */ | |
344 | /* if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03")) | |
345 | mso->num_sample_rates = 0x16; | |
346 | else | |
347 | mso->num_sample_rates = 0x10; */ | |
348 | ||
349 | /* parse iSerial */ | |
350 | if (iSerial[0] != '4' || sscanf(iSerial, "%5u%3u%3u%1u%1u%6u", | |
351 | &u1, &u2, &u3, &u4, &u5, &u6) != 6) | |
e46b8fb1 | 352 | return SR_ERR; |
01cf8814 DR |
353 | mso->hwmodel = u4; |
354 | mso->hwrev = u5; | |
355 | mso->serial = u6; | |
356 | mso->vbit = u1 / 10000; | |
357 | if (mso->vbit == 0) | |
358 | mso->vbit = 4.19195; | |
359 | mso->dac_offset = u2; | |
360 | if (mso->dac_offset == 0) | |
361 | mso->dac_offset = 0x1ff; | |
362 | mso->offset_range = u3; | |
363 | if (mso->offset_range == 0) | |
364 | mso->offset_range = 0x17d; | |
365 | ||
366 | /* | |
367 | * FIXME: There is more code on the original software to handle | |
368 | * bigger iSerial strings, but as I can't test on my device | |
369 | * I will not implement it yet | |
370 | */ | |
371 | ||
e46b8fb1 | 372 | return SR_OK; |
01cf8814 DR |
373 | } |
374 | ||
54ac5277 | 375 | static int hw_init(const char *deviceinfo) |
01cf8814 | 376 | { |
a00ba012 | 377 | struct sr_device_instance *sdi; |
01cf8814 DR |
378 | int devcnt = 0; |
379 | struct udev *udev; | |
380 | struct udev_enumerate *enumerate; | |
381 | struct udev_list_entry *devices, *dev_list_entry; | |
382 | struct mso *mso; | |
383 | ||
384 | deviceinfo = deviceinfo; | |
385 | ||
386 | /* It's easier to map usb<->serial using udev */ | |
387 | /* | |
388 | * FIXME: On windows we can get the same information from the | |
389 | * registry, add an #ifdef here later | |
390 | */ | |
391 | udev = udev_new(); | |
392 | if (!udev) { | |
b08024a8 | 393 | sr_warn("Failed to initialize udev."); |
01cf8814 DR |
394 | goto ret; |
395 | } | |
396 | enumerate = udev_enumerate_new(udev); | |
397 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
398 | udev_enumerate_scan_devices(enumerate); | |
399 | devices = udev_enumerate_get_list_entry(enumerate); | |
400 | udev_list_entry_foreach(dev_list_entry, devices) { | |
401 | const char *syspath, *sysname, *idVendor, *idProduct, | |
402 | *iSerial, *iProduct; | |
403 | char path[32], manufacturer[32], product[32], hwrev[32]; | |
404 | struct udev_device *dev, *parent; | |
405 | size_t s; | |
406 | ||
407 | syspath = udev_list_entry_get_name(dev_list_entry); | |
408 | dev = udev_device_new_from_syspath(udev, syspath); | |
409 | sysname = udev_device_get_sysname(dev); | |
410 | parent = udev_device_get_parent_with_subsystem_devtype( | |
411 | dev, "usb", "usb_device"); | |
412 | if (!parent) { | |
b08024a8 UH |
413 | sr_warn("Unable to find parent usb device for %s", |
414 | sysname); | |
01cf8814 DR |
415 | continue; |
416 | } | |
417 | ||
418 | idVendor = udev_device_get_sysattr_value(parent, "idVendor"); | |
419 | idProduct = udev_device_get_sysattr_value(parent, "idProduct"); | |
420 | if (strcmp(USB_VENDOR, idVendor) | |
421 | || strcmp(USB_PRODUCT, idProduct)) | |
422 | continue; | |
423 | ||
424 | iSerial = udev_device_get_sysattr_value(parent, "serial"); | |
425 | iProduct = udev_device_get_sysattr_value(parent, "product"); | |
426 | ||
427 | snprintf(path, sizeof(path), "/dev/%s", sysname); | |
428 | ||
429 | s = strcspn(iProduct, " "); | |
430 | if (s > sizeof(product) || | |
431 | strlen(iProduct) - s > sizeof(manufacturer)) { | |
b08024a8 | 432 | sr_warn("Could not parse iProduct: %s", iProduct); |
01cf8814 DR |
433 | continue; |
434 | } | |
435 | strncpy(product, iProduct, s); | |
436 | product[s] = 0; | |
437 | strcpy(manufacturer, iProduct + s); | |
438 | sprintf(hwrev, "r%d", mso->hwrev); | |
439 | ||
ecad043f UH |
440 | if (!(mso = g_try_malloc0(sizeof(struct mso)))) { |
441 | sr_err("mso19: %s: mso malloc failed", __func__); | |
442 | continue; /* TODO: Errors handled correctly? */ | |
443 | } | |
01cf8814 | 444 | |
e46b8fb1 | 445 | if (mso_parse_serial(iSerial, iProduct, mso) != SR_OK) { |
b08024a8 | 446 | sr_warn("Invalid iSerial: %s", iSerial); |
01cf8814 DR |
447 | goto err_free_mso; |
448 | } | |
449 | /* hardware initial state */ | |
450 | mso->ctlbase = 0; | |
451 | ||
5a2326a7 | 452 | sdi = sr_device_instance_new(devcnt, SR_ST_INITIALIZING, |
01cf8814 DR |
453 | manufacturer, product, hwrev); |
454 | if (!sdi) { | |
b08024a8 UH |
455 | sr_warn("Unable to create device instance for %s", |
456 | sysname); | |
01cf8814 DR |
457 | goto err_free_mso; |
458 | } | |
459 | ||
460 | /* save a pointer to our private instance data */ | |
461 | sdi->priv = mso; | |
462 | ||
6c290072 | 463 | sdi->serial = sr_serial_device_instance_new(path, -1); |
01cf8814 DR |
464 | if (!sdi->serial) |
465 | goto err_device_instance_free; | |
466 | ||
467 | device_instances = g_slist_append(device_instances, sdi); | |
468 | devcnt++; | |
469 | continue; | |
470 | ||
471 | err_device_instance_free: | |
a00ba012 | 472 | sr_device_instance_free(sdi); |
01cf8814 DR |
473 | err_free_mso: |
474 | free(mso); | |
475 | } | |
476 | ||
477 | udev_enumerate_unref(enumerate); | |
478 | udev_unref(udev); | |
479 | ||
480 | ret: | |
481 | return devcnt; | |
482 | } | |
483 | ||
484 | static void hw_cleanup(void) | |
485 | { | |
486 | GSList *l; | |
a00ba012 | 487 | struct sr_device_instance *sdi; |
01cf8814 DR |
488 | |
489 | /* Properly close all devices. */ | |
490 | for (l = device_instances; l; l = l->next) { | |
491 | sdi = l->data; | |
492 | if (sdi->serial->fd != -1) | |
493 | serial_close(sdi->serial->fd); | |
494 | if (sdi->priv != NULL) | |
495 | free(sdi->priv); | |
a00ba012 | 496 | sr_device_instance_free(sdi); |
01cf8814 DR |
497 | } |
498 | g_slist_free(device_instances); | |
499 | device_instances = NULL; | |
500 | } | |
501 | ||
502 | static int hw_opendev(int device_index) | |
503 | { | |
a00ba012 | 504 | struct sr_device_instance *sdi; |
01cf8814 | 505 | struct mso *mso; |
e46b8fb1 | 506 | int ret = SR_ERR; |
01cf8814 | 507 | |
d32d961d | 508 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
509 | return ret; |
510 | ||
511 | mso = sdi->priv; | |
512 | sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR); | |
513 | if (sdi->serial->fd == -1) | |
514 | return ret; | |
515 | ||
516 | ret = serial_set_params(sdi->serial->fd, 460800, 8, 0, 1, 2); | |
e46b8fb1 | 517 | if (ret != SR_OK) |
01cf8814 DR |
518 | return ret; |
519 | ||
5a2326a7 | 520 | sdi->status = SR_ST_ACTIVE; |
01cf8814 DR |
521 | |
522 | /* FIXME: discard serial buffer */ | |
523 | ||
524 | mso_check_trigger(sdi, &mso->trigger_state); | |
b08024a8 | 525 | // sr_warn("trigger state: %c", mso->trigger_state); |
01cf8814 DR |
526 | |
527 | ret = mso_reset_adc(sdi); | |
e46b8fb1 | 528 | if (ret != SR_OK) |
01cf8814 DR |
529 | return ret; |
530 | ||
531 | mso_check_trigger(sdi, &mso->trigger_state); | |
b08024a8 | 532 | // sr_warn("trigger state: %c", mso->trigger_state); |
01cf8814 DR |
533 | |
534 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 535 | // if (ret != SR_OK) |
01cf8814 DR |
536 | // return ret; |
537 | ||
e46b8fb1 UH |
538 | // return SR_ERR; |
539 | return SR_OK; | |
01cf8814 DR |
540 | } |
541 | ||
542 | static void hw_closedev(int device_index) | |
543 | { | |
a00ba012 | 544 | struct sr_device_instance *sdi; |
01cf8814 | 545 | |
d32d961d | 546 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
547 | return; |
548 | ||
549 | if (sdi->serial->fd != -1) { | |
550 | serial_close(sdi->serial->fd); | |
551 | sdi->serial->fd = -1; | |
5a2326a7 | 552 | sdi->status = SR_ST_INACTIVE; |
01cf8814 DR |
553 | } |
554 | } | |
555 | ||
556 | static void *hw_get_device_info(int device_index, int device_info_id) | |
557 | { | |
a00ba012 | 558 | struct sr_device_instance *sdi; |
01cf8814 DR |
559 | struct mso *mso; |
560 | void *info = NULL; | |
561 | ||
d32d961d | 562 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
563 | return NULL; |
564 | mso = sdi->priv; | |
565 | ||
566 | switch (device_info_id) { | |
5a2326a7 | 567 | case SR_DI_INSTANCE: |
01cf8814 DR |
568 | info = sdi; |
569 | break; | |
5a2326a7 | 570 | case SR_DI_NUM_PROBES: /* FIXME: How to report analog probe? */ |
01cf8814 DR |
571 | info = GINT_TO_POINTER(8); |
572 | break; | |
5a2326a7 | 573 | case SR_DI_SAMPLERATES: |
01cf8814 DR |
574 | info = &samplerates; |
575 | break; | |
5a2326a7 | 576 | case SR_DI_TRIGGER_TYPES: |
01cf8814 DR |
577 | info = "01"; /* FIXME */ |
578 | break; | |
5a2326a7 | 579 | case SR_DI_CUR_SAMPLERATE: |
01cf8814 DR |
580 | info = &mso->cur_rate; |
581 | break; | |
582 | } | |
583 | return info; | |
584 | } | |
585 | ||
586 | static int hw_get_status(int device_index) | |
587 | { | |
a00ba012 | 588 | struct sr_device_instance *sdi; |
01cf8814 | 589 | |
d32d961d | 590 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
5a2326a7 | 591 | return SR_ST_NOT_FOUND; |
01cf8814 DR |
592 | |
593 | return sdi->status; | |
594 | } | |
595 | ||
596 | static int *hw_get_capabilities(void) | |
597 | { | |
598 | return capabilities; | |
599 | } | |
600 | ||
601 | static int hw_set_configuration(int device_index, int capability, void *value) | |
602 | { | |
a00ba012 | 603 | struct sr_device_instance *sdi; |
01cf8814 | 604 | |
d32d961d | 605 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
e46b8fb1 | 606 | return SR_ERR; |
01cf8814 DR |
607 | |
608 | switch (capability) { | |
5a2326a7 | 609 | case SR_HWCAP_SAMPLERATE: |
01cf8814 | 610 | return mso_configure_rate(sdi, *(uint64_t *) value); |
5a2326a7 UH |
611 | case SR_HWCAP_PROBECONFIG: |
612 | case SR_HWCAP_LIMIT_SAMPLES: | |
01cf8814 | 613 | default: |
e46b8fb1 | 614 | return SR_OK; /* FIXME */ |
01cf8814 | 615 | } |
01cf8814 DR |
616 | } |
617 | ||
618 | #define MSO_TRIGGER_UNKNOWN '!' | |
619 | #define MSO_TRIGGER_UNKNOWN1 '1' | |
620 | #define MSO_TRIGGER_UNKNOWN2 '2' | |
621 | #define MSO_TRIGGER_UNKNOWN3 '3' | |
622 | #define MSO_TRIGGER_WAIT '4' | |
623 | #define MSO_TRIGGER_FIRED '5' | |
624 | #define MSO_TRIGGER_DATAREADY '6' | |
625 | ||
626 | /* FIXME: Pass errors? */ | |
627 | static int receive_data(int fd, int revents, void *user_data) | |
628 | { | |
a00ba012 | 629 | struct sr_device_instance *sdi = user_data; |
01cf8814 | 630 | struct mso *mso = sdi->priv; |
b9c735a2 | 631 | struct sr_datafeed_packet packet; |
01cf8814 DR |
632 | uint8_t in[1024], logic_out[1024]; |
633 | double analog_out[1024]; | |
634 | size_t i, s; | |
635 | ||
636 | revents = revents; | |
637 | ||
2119ab03 | 638 | s = serial_read(fd, in, sizeof(in)); |
01cf8814 DR |
639 | if (s <= 0) |
640 | return FALSE; | |
641 | ||
642 | /* No samples */ | |
643 | if (mso->trigger_state != MSO_TRIGGER_DATAREADY) { | |
644 | mso->trigger_state = in[0]; | |
645 | if (mso->trigger_state == MSO_TRIGGER_DATAREADY) { | |
646 | mso_read_buffer(sdi); | |
647 | mso->buffer_n = 0; | |
648 | } else { | |
649 | mso_check_trigger(sdi, NULL); | |
650 | } | |
651 | return FALSE; | |
652 | } | |
653 | ||
654 | /* the hardware always dumps 1024 samples, 24bits each */ | |
655 | if (mso->buffer_n < 3072) { | |
656 | memcpy(mso->buffer + mso->buffer_n, in, s); | |
657 | mso->buffer_n += s; | |
658 | } | |
659 | if (mso->buffer_n < 3072) | |
660 | return FALSE; | |
661 | ||
662 | /* do the conversion */ | |
663 | for (i = 0; i < 1024; i++) { | |
664 | /* FIXME: Need to do conversion to mV */ | |
665 | analog_out[i] = (mso->buffer[i * 3] & 0x3f) | | |
666 | ((mso->buffer[i * 3 + 1] & 0xf) << 6); | |
667 | logic_out[i] = ((mso->buffer[i * 3 + 1] & 0x30) >> 4) | | |
668 | ((mso->buffer[i * 3 + 2] & 0x3f) << 2); | |
669 | } | |
670 | ||
5a2326a7 | 671 | packet.type = SR_DF_LOGIC; |
01cf8814 DR |
672 | packet.length = 1024; |
673 | packet.unitsize = 1; | |
674 | packet.payload = logic_out; | |
8a2efef2 | 675 | sr_session_bus(mso->session_id, &packet); |
01cf8814 DR |
676 | |
677 | ||
5a2326a7 | 678 | packet.type = SR_DF_ANALOG; |
01cf8814 DR |
679 | packet.length = 1024; |
680 | packet.unitsize = sizeof(double); | |
681 | packet.payload = analog_out; | |
8a2efef2 | 682 | sr_session_bus(mso->session_id, &packet); |
01cf8814 | 683 | |
5a2326a7 | 684 | packet.type = SR_DF_END; |
8a2efef2 | 685 | sr_session_bus(mso->session_id, &packet); |
01cf8814 DR |
686 | |
687 | return TRUE; | |
688 | } | |
689 | ||
690 | static int hw_start_acquisition(int device_index, gpointer session_device_id) | |
691 | { | |
a00ba012 | 692 | struct sr_device_instance *sdi; |
01cf8814 | 693 | struct mso *mso; |
b9c735a2 UH |
694 | struct sr_datafeed_packet packet; |
695 | struct sr_datafeed_header header; | |
e46b8fb1 | 696 | int ret = SR_ERR; |
01cf8814 | 697 | |
d32d961d | 698 | if (!(sdi = sr_get_device_instance(device_instances, device_index))) |
01cf8814 DR |
699 | return ret; |
700 | mso = sdi->priv; | |
701 | ||
702 | /* FIXME: No need to do full reconfigure every time */ | |
703 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 704 | // if (ret != SR_OK) |
01cf8814 DR |
705 | // return ret; |
706 | ||
707 | /* FIXME: ACDC Mode */ | |
708 | mso->ctlbase &= 0x7f; | |
709 | // mso->ctlbase |= mso->acdcmode; | |
710 | ||
711 | ret = mso_configure_rate(sdi, mso->cur_rate); | |
e46b8fb1 | 712 | if (ret != SR_OK) |
01cf8814 DR |
713 | return ret; |
714 | ||
715 | /* set dac offset */ | |
716 | ret = mso_dac_out(sdi, mso->dac_offset); | |
e46b8fb1 | 717 | if (ret != SR_OK) |
01cf8814 DR |
718 | return ret; |
719 | ||
720 | ret = mso_configure_threshold_level(sdi); | |
e46b8fb1 | 721 | if (ret != SR_OK) |
01cf8814 DR |
722 | return ret; |
723 | ||
724 | ret = mso_configure_trigger(sdi); | |
e46b8fb1 | 725 | if (ret != SR_OK) |
01cf8814 DR |
726 | return ret; |
727 | ||
728 | /* FIXME: trigger_position */ | |
729 | ||
730 | ||
731 | /* END of config hardware part */ | |
732 | ||
733 | /* with trigger */ | |
734 | ret = mso_arm(sdi); | |
e46b8fb1 | 735 | if (ret != SR_OK) |
01cf8814 DR |
736 | return ret; |
737 | ||
738 | /* without trigger */ | |
739 | // ret = mso_force_capture(sdi); | |
e46b8fb1 | 740 | // if (ret != SR_OK) |
01cf8814 DR |
741 | // return ret; |
742 | ||
743 | mso_check_trigger(sdi, &mso->trigger_state); | |
744 | ret = mso_check_trigger(sdi, NULL); | |
e46b8fb1 | 745 | if (ret != SR_OK) |
01cf8814 DR |
746 | return ret; |
747 | ||
748 | mso->session_id = session_device_id; | |
6f1be0a2 | 749 | sr_source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, sdi); |
01cf8814 | 750 | |
5a2326a7 | 751 | packet.type = SR_DF_HEADER; |
b9c735a2 | 752 | packet.length = sizeof(struct sr_datafeed_header); |
01cf8814 DR |
753 | packet.payload = (unsigned char *) &header; |
754 | header.feed_version = 1; | |
755 | gettimeofday(&header.starttime, NULL); | |
756 | header.samplerate = mso->cur_rate; | |
757 | header.num_analog_probes = 1; | |
758 | header.num_logic_probes = 8; | |
5a2326a7 | 759 | header.protocol_id = SR_PROTO_RAW; |
8a2efef2 | 760 | sr_session_bus(session_device_id, &packet); |
01cf8814 DR |
761 | |
762 | return ret; | |
763 | } | |
764 | ||
765 | /* FIXME */ | |
766 | static void hw_stop_acquisition(int device_index, gpointer session_device_id) | |
767 | { | |
b9c735a2 | 768 | struct sr_datafeed_packet packet; |
01cf8814 DR |
769 | |
770 | device_index = device_index; | |
771 | ||
5a2326a7 | 772 | packet.type = SR_DF_END; |
8a2efef2 | 773 | sr_session_bus(session_device_id, &packet); |
01cf8814 DR |
774 | } |
775 | ||
5c2d46d1 | 776 | struct sr_device_plugin link_mso19_plugin_info = { |
01cf8814 | 777 | .name = "link-mso19", |
9f8274a5 | 778 | .longname = "Link Instruments MSO-19", |
01cf8814 DR |
779 | .api_version = 1, |
780 | .init = hw_init, | |
781 | .cleanup = hw_cleanup, | |
86f5e3d8 UH |
782 | .opendev = hw_opendev, |
783 | .closedev = hw_closedev, | |
01cf8814 DR |
784 | .get_device_info = hw_get_device_info, |
785 | .get_status = hw_get_status, | |
786 | .get_capabilities = hw_get_capabilities, | |
787 | .set_configuration = hw_set_configuration, | |
788 | .start_acquisition = hw_start_acquisition, | |
789 | .stop_acquisition = hw_stop_acquisition, | |
790 | }; |