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Commit | Line | Data |
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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> | |
a2936073 | 5 | * Copyright (C) 2012 Renato Caldas <rmsc@fe.up.pt> |
01cf8814 DR |
6 | * |
7 | * This program is free software: you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation, either version 3 of the License, or | |
10 | * (at your option) any later version. | |
8a839354 UH |
11 | * |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
01cf8814 DR |
19 | */ |
20 | ||
21 | #include <stdio.h> | |
22 | #include <stdlib.h> | |
23 | #include <string.h> | |
24 | #include <unistd.h> | |
25 | #include <fcntl.h> | |
26 | #include <sys/time.h> | |
27 | #include <inttypes.h> | |
28 | #include <glib.h> | |
29 | #include <libudev.h> | |
01cf8814 | 30 | #include <arpa/inet.h> |
b7f09cf8 UH |
31 | #include "sigrok.h" |
32 | #include "sigrok-internal.h" | |
01cf8814 DR |
33 | #include "link-mso19.h" |
34 | ||
35 | #define USB_VENDOR "3195" | |
36 | #define USB_PRODUCT "f190" | |
37 | ||
464d12c7 KS |
38 | #define NUM_PROBES 8 |
39 | ||
915f7cc8 | 40 | static const int hwcaps[] = { |
5a2326a7 UH |
41 | SR_HWCAP_LOGIC_ANALYZER, |
42 | // SR_HWCAP_OSCILLOSCOPE, | |
43 | // SR_HWCAP_PAT_GENERATOR, | |
01cf8814 | 44 | |
5a2326a7 UH |
45 | SR_HWCAP_SAMPLERATE, |
46 | // SR_HWCAP_CAPTURE_RATIO, | |
47 | SR_HWCAP_LIMIT_SAMPLES, | |
01cf8814 DR |
48 | 0, |
49 | }; | |
50 | ||
d261dbbf UH |
51 | /* |
52 | * Probes are numbered 0 to 7. | |
53 | * | |
54 | * See also: http://www.linkinstruments.com/images/mso19_1113.gif | |
55 | */ | |
464d12c7 KS |
56 | static const char *probe_names[NUM_PROBES + 1] = { |
57 | "0", | |
58 | "1", | |
59 | "2", | |
60 | "3", | |
61 | "4", | |
62 | "5", | |
63 | "6", | |
64 | "7", | |
65 | NULL, | |
66 | }; | |
67 | ||
01cf8814 | 68 | static uint64_t supported_samplerates[] = { |
c9140419 UH |
69 | SR_HZ(100), |
70 | SR_HZ(200), | |
71 | SR_HZ(500), | |
59df0c77 UH |
72 | SR_KHZ(1), |
73 | SR_KHZ(2), | |
74 | SR_KHZ(5), | |
75 | SR_KHZ(10), | |
76 | SR_KHZ(20), | |
77 | SR_KHZ(50), | |
78 | SR_KHZ(100), | |
79 | SR_KHZ(200), | |
80 | SR_KHZ(500), | |
81 | SR_MHZ(1), | |
82 | SR_MHZ(2), | |
83 | SR_MHZ(5), | |
84 | SR_MHZ(10), | |
85 | SR_MHZ(20), | |
86 | SR_MHZ(50), | |
87 | SR_MHZ(100), | |
88 | SR_MHZ(200), | |
89 | 0, | |
01cf8814 DR |
90 | }; |
91 | ||
60679b18 | 92 | static struct sr_samplerates samplerates = { |
590b9f9a UH |
93 | 0, |
94 | 0, | |
95 | 0, | |
59df0c77 | 96 | supported_samplerates, |
01cf8814 DR |
97 | }; |
98 | ||
d68e2d1a | 99 | static GSList *dev_insts = NULL; |
01cf8814 | 100 | |
d68e2d1a UH |
101 | static int mso_send_control_message(struct sr_dev_inst *sdi, |
102 | uint16_t payload[], int n) | |
01cf8814 DR |
103 | { |
104 | int fd = sdi->serial->fd; | |
105 | int i, w, ret, s = n * 2 + sizeof(mso_head) + sizeof(mso_foot); | |
106 | char *p, *buf; | |
107 | ||
ecad043f UH |
108 | ret = SR_ERR; |
109 | ||
01cf8814 DR |
110 | if (fd < 0) |
111 | goto ret; | |
112 | ||
ecad043f UH |
113 | if (!(buf = g_try_malloc(s))) { |
114 | sr_err("mso19: %s: buf malloc failed", __func__); | |
115 | ret = SR_ERR_MALLOC; | |
01cf8814 | 116 | goto ret; |
ecad043f | 117 | } |
01cf8814 DR |
118 | |
119 | p = buf; | |
120 | memcpy(p, mso_head, sizeof(mso_head)); | |
121 | p += sizeof(mso_head); | |
122 | ||
123 | for (i = 0; i < n; i++) { | |
124 | *(uint16_t *) p = htons(payload[i]); | |
125 | p += 2; | |
126 | } | |
127 | memcpy(p, mso_foot, sizeof(mso_foot)); | |
128 | ||
129 | w = 0; | |
130 | while (w < s) { | |
2119ab03 | 131 | ret = serial_write(fd, buf + w, s - w); |
01cf8814 | 132 | if (ret < 0) { |
e46b8fb1 | 133 | ret = SR_ERR; |
01cf8814 DR |
134 | goto free; |
135 | } | |
136 | w += ret; | |
137 | } | |
e46b8fb1 | 138 | ret = SR_OK; |
01cf8814 | 139 | free: |
ecad043f | 140 | g_free(buf); |
01cf8814 DR |
141 | ret: |
142 | return ret; | |
143 | } | |
144 | ||
d68e2d1a | 145 | static int mso_reset_adc(struct sr_dev_inst *sdi) |
01cf8814 | 146 | { |
ea9cfed7 | 147 | struct context *ctx = sdi->priv; |
01cf8814 DR |
148 | uint16_t ops[2]; |
149 | ||
ea9cfed7 UH |
150 | ops[0] = mso_trans(REG_CTL1, (ctx->ctlbase1 | BIT_CTL1_RESETADC)); |
151 | ops[1] = mso_trans(REG_CTL1, ctx->ctlbase1); | |
152 | ctx->ctlbase1 |= BIT_CTL1_ADC_UNKNOWN4; | |
01cf8814 | 153 | |
7b48d6e1 | 154 | sr_dbg("mso19: Requesting ADC reset"); |
01cf8814 DR |
155 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
156 | } | |
157 | ||
d68e2d1a | 158 | static int mso_reset_fsm(struct sr_dev_inst *sdi) |
01cf8814 | 159 | { |
ea9cfed7 | 160 | struct context *ctx = sdi->priv; |
01cf8814 DR |
161 | uint16_t ops[1]; |
162 | ||
ea9cfed7 UH |
163 | ctx->ctlbase1 |= BIT_CTL1_RESETFSM; |
164 | ops[0] = mso_trans(REG_CTL1, ctx->ctlbase1); | |
01cf8814 | 165 | |
7b48d6e1 | 166 | sr_dbg("mso19: Requesting ADC reset"); |
01cf8814 DR |
167 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
168 | } | |
169 | ||
d68e2d1a | 170 | static int mso_toggle_led(struct sr_dev_inst *sdi, int state) |
01cf8814 | 171 | { |
ea9cfed7 | 172 | struct context *ctx = sdi->priv; |
01cf8814 DR |
173 | uint16_t ops[1]; |
174 | ||
ea9cfed7 | 175 | ctx->ctlbase1 &= ~BIT_CTL1_LED; |
01cf8814 | 176 | if (state) |
ea9cfed7 UH |
177 | ctx->ctlbase1 |= BIT_CTL1_LED; |
178 | ops[0] = mso_trans(REG_CTL1, ctx->ctlbase1); | |
01cf8814 | 179 | |
7b48d6e1 | 180 | sr_dbg("mso19: Requesting LED toggle"); |
01cf8814 DR |
181 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
182 | } | |
183 | ||
d68e2d1a | 184 | static int mso_check_trigger(struct sr_dev_inst *sdi, uint8_t *info) |
01cf8814 DR |
185 | { |
186 | uint16_t ops[] = { mso_trans(REG_TRIGGER, 0) }; | |
187 | char buf[1]; | |
188 | int ret; | |
189 | ||
7b48d6e1 | 190 | sr_dbg("mso19: Requesting trigger state"); |
01cf8814 | 191 | ret = mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
e46b8fb1 | 192 | if (info == NULL || ret != SR_OK) |
01cf8814 DR |
193 | return ret; |
194 | ||
195 | buf[0] = 0; | |
2119ab03 | 196 | if (serial_read(sdi->serial->fd, buf, 1) != 1) /* FIXME: Need timeout */ |
e46b8fb1 | 197 | ret = SR_ERR; |
01cf8814 DR |
198 | *info = buf[0]; |
199 | ||
7b48d6e1 | 200 | sr_dbg("mso19: Trigger state is: 0x%x", *info); |
01cf8814 DR |
201 | return ret; |
202 | } | |
203 | ||
d68e2d1a | 204 | static int mso_read_buffer(struct sr_dev_inst *sdi) |
01cf8814 DR |
205 | { |
206 | uint16_t ops[] = { mso_trans(REG_BUFFER, 0) }; | |
207 | ||
7b48d6e1 | 208 | sr_dbg("mso19: Requesting buffer dump"); |
01cf8814 DR |
209 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
210 | } | |
211 | ||
d68e2d1a | 212 | static int mso_arm(struct sr_dev_inst *sdi) |
01cf8814 | 213 | { |
ea9cfed7 | 214 | struct context *ctx = sdi->priv; |
01cf8814 | 215 | uint16_t ops[] = { |
ea9cfed7 UH |
216 | mso_trans(REG_CTL1, ctx->ctlbase1 | BIT_CTL1_RESETFSM), |
217 | mso_trans(REG_CTL1, ctx->ctlbase1 | BIT_CTL1_ARM), | |
218 | mso_trans(REG_CTL1, ctx->ctlbase1), | |
01cf8814 DR |
219 | }; |
220 | ||
7b48d6e1 | 221 | sr_dbg("mso19: Requesting trigger arm"); |
01cf8814 DR |
222 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
223 | } | |
224 | ||
d68e2d1a | 225 | static int mso_force_capture(struct sr_dev_inst *sdi) |
01cf8814 | 226 | { |
ea9cfed7 | 227 | struct context *ctx = sdi->priv; |
01cf8814 | 228 | uint16_t ops[] = { |
ea9cfed7 UH |
229 | mso_trans(REG_CTL1, ctx->ctlbase1 | 8), |
230 | mso_trans(REG_CTL1, ctx->ctlbase1), | |
01cf8814 DR |
231 | }; |
232 | ||
7b48d6e1 | 233 | sr_dbg("mso19: Requesting forced capture"); |
01cf8814 DR |
234 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
235 | } | |
236 | ||
d68e2d1a | 237 | static int mso_dac_out(struct sr_dev_inst *sdi, uint16_t val) |
01cf8814 | 238 | { |
ea9cfed7 | 239 | struct context *ctx = sdi->priv; |
01cf8814 DR |
240 | uint16_t ops[] = { |
241 | mso_trans(REG_DAC1, (val >> 8) & 0xff), | |
242 | mso_trans(REG_DAC2, val & 0xff), | |
ea9cfed7 | 243 | mso_trans(REG_CTL1, ctx->ctlbase1 | BIT_CTL1_RESETADC), |
01cf8814 DR |
244 | }; |
245 | ||
7b48d6e1 | 246 | sr_dbg("mso19: Setting dac word to 0x%x", val); |
01cf8814 DR |
247 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
248 | } | |
249 | ||
d68e2d1a | 250 | static int mso_clkrate_out(struct sr_dev_inst *sdi, uint16_t val) |
01cf8814 DR |
251 | { |
252 | uint16_t ops[] = { | |
253 | mso_trans(REG_CLKRATE1, (val >> 8) & 0xff), | |
254 | mso_trans(REG_CLKRATE2, val & 0xff), | |
255 | }; | |
256 | ||
7b48d6e1 | 257 | sr_dbg("mso19: Setting clkrate word to 0x%x", val); |
01cf8814 DR |
258 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); |
259 | } | |
260 | ||
d68e2d1a | 261 | static int mso_configure_rate(struct sr_dev_inst *sdi, uint32_t rate) |
01cf8814 | 262 | { |
ea9cfed7 | 263 | struct context *ctx = sdi->priv; |
01cf8814 | 264 | unsigned int i; |
e46b8fb1 | 265 | int ret = SR_ERR; |
01cf8814 DR |
266 | |
267 | for (i = 0; i < ARRAY_SIZE(rate_map); i++) { | |
268 | if (rate_map[i].rate == rate) { | |
ea9cfed7 | 269 | ctx->ctlbase2 = rate_map[i].slowmode; |
01cf8814 | 270 | ret = mso_clkrate_out(sdi, rate_map[i].val); |
e46b8fb1 | 271 | if (ret == SR_OK) |
ea9cfed7 | 272 | ctx->cur_rate = rate; |
01cf8814 DR |
273 | return ret; |
274 | } | |
275 | } | |
276 | return ret; | |
277 | } | |
278 | ||
ea9cfed7 | 279 | static inline uint16_t mso_calc_raw_from_mv(struct context *ctx) |
01cf8814 DR |
280 | { |
281 | return (uint16_t) (0x200 - | |
ea9cfed7 UH |
282 | ((ctx->dso_trigger_voltage / ctx->dso_probe_attn) / |
283 | ctx->vbit)); | |
01cf8814 DR |
284 | } |
285 | ||
d68e2d1a | 286 | static int mso_configure_trigger(struct sr_dev_inst *sdi) |
01cf8814 | 287 | { |
ea9cfed7 | 288 | struct context *ctx = sdi->priv; |
01cf8814 | 289 | uint16_t ops[16]; |
ea9cfed7 | 290 | uint16_t dso_trigger = mso_calc_raw_from_mv(ctx); |
01cf8814 DR |
291 | |
292 | dso_trigger &= 0x3ff; | |
ea9cfed7 UH |
293 | if ((!ctx->trigger_slope && ctx->trigger_chan == 1) || |
294 | (ctx->trigger_slope && | |
295 | (ctx->trigger_chan == 0 || | |
296 | ctx->trigger_chan == 2 || | |
297 | ctx->trigger_chan == 3))) | |
01cf8814 DR |
298 | dso_trigger |= 0x400; |
299 | ||
ea9cfed7 | 300 | switch (ctx->trigger_chan) { |
01cf8814 DR |
301 | case 1: |
302 | dso_trigger |= 0xe000; | |
303 | case 2: | |
304 | dso_trigger |= 0x4000; | |
305 | break; | |
306 | case 3: | |
307 | dso_trigger |= 0x2000; | |
308 | break; | |
309 | case 4: | |
310 | dso_trigger |= 0xa000; | |
311 | break; | |
312 | case 5: | |
313 | dso_trigger |= 0x8000; | |
314 | break; | |
315 | default: | |
316 | case 0: | |
317 | break; | |
318 | } | |
319 | ||
ea9cfed7 | 320 | switch (ctx->trigger_outsrc) { |
01cf8814 DR |
321 | case 1: |
322 | dso_trigger |= 0x800; | |
323 | break; | |
324 | case 2: | |
325 | dso_trigger |= 0x1000; | |
326 | break; | |
327 | case 3: | |
328 | dso_trigger |= 0x1800; | |
329 | break; | |
330 | ||
331 | } | |
332 | ||
ea9cfed7 UH |
333 | ops[0] = mso_trans(5, ctx->la_trigger); |
334 | ops[1] = mso_trans(6, ctx->la_trigger_mask); | |
01cf8814 DR |
335 | ops[2] = mso_trans(3, dso_trigger & 0xff); |
336 | ops[3] = mso_trans(4, (dso_trigger >> 8) & 0xff); | |
337 | ops[4] = mso_trans(11, | |
ea9cfed7 | 338 | ctx->dso_trigger_width / SR_HZ_TO_NS(ctx->cur_rate)); |
01cf8814 | 339 | |
a2936073 | 340 | /* Select the SPI/I2C trigger config bank */ |
ea9cfed7 | 341 | ops[5] = mso_trans(REG_CTL2, (ctx->ctlbase2 | BITS_CTL2_BANK(2))); |
a2936073 | 342 | /* Configure the SPI/I2C protocol trigger */ |
ea9cfed7 UH |
343 | ops[6] = mso_trans(REG_PT_WORD(0), ctx->protocol_trigger.word[0]); |
344 | ops[7] = mso_trans(REG_PT_WORD(1), ctx->protocol_trigger.word[1]); | |
345 | ops[8] = mso_trans(REG_PT_WORD(2), ctx->protocol_trigger.word[2]); | |
346 | ops[9] = mso_trans(REG_PT_WORD(3), ctx->protocol_trigger.word[3]); | |
347 | ops[10] = mso_trans(REG_PT_MASK(0), ctx->protocol_trigger.mask[0]); | |
348 | ops[11] = mso_trans(REG_PT_MASK(1), ctx->protocol_trigger.mask[1]); | |
349 | ops[12] = mso_trans(REG_PT_MASK(2), ctx->protocol_trigger.mask[2]); | |
350 | ops[13] = mso_trans(REG_PT_MASK(3), ctx->protocol_trigger.mask[3]); | |
351 | ops[14] = mso_trans(REG_PT_SPIMODE, ctx->protocol_trigger.spimode); | |
a2936073 | 352 | /* Select the default config bank */ |
ea9cfed7 | 353 | ops[15] = mso_trans(REG_CTL2, ctx->ctlbase2); |
01cf8814 DR |
354 | |
355 | return mso_send_control_message(sdi, ARRAY_AND_SIZE(ops)); | |
356 | } | |
357 | ||
d68e2d1a | 358 | static int mso_configure_threshold_level(struct sr_dev_inst *sdi) |
01cf8814 | 359 | { |
ea9cfed7 | 360 | struct context *ctx = sdi->priv; |
01cf8814 | 361 | |
ea9cfed7 | 362 | return mso_dac_out(sdi, la_threshold_map[ctx->la_threshold]); |
01cf8814 DR |
363 | } |
364 | ||
365 | static int mso_parse_serial(const char *iSerial, const char *iProduct, | |
ea9cfed7 | 366 | struct context *ctx) |
01cf8814 DR |
367 | { |
368 | unsigned int u1, u2, u3, u4, u5, u6; | |
369 | ||
370 | iProduct = iProduct; | |
371 | /* FIXME: This code is in the original app, but I think its | |
372 | * used only for the GUI */ | |
373 | /* if (strstr(iProduct, "REV_02") || strstr(iProduct, "REV_03")) | |
ea9cfed7 | 374 | ctx->num_sample_rates = 0x16; |
01cf8814 | 375 | else |
ea9cfed7 | 376 | ctx->num_sample_rates = 0x10; */ |
01cf8814 DR |
377 | |
378 | /* parse iSerial */ | |
379 | if (iSerial[0] != '4' || sscanf(iSerial, "%5u%3u%3u%1u%1u%6u", | |
380 | &u1, &u2, &u3, &u4, &u5, &u6) != 6) | |
e46b8fb1 | 381 | return SR_ERR; |
ea9cfed7 UH |
382 | ctx->hwmodel = u4; |
383 | ctx->hwrev = u5; | |
384 | ctx->serial = u6; | |
385 | ctx->vbit = u1 / 10000; | |
386 | if (ctx->vbit == 0) | |
387 | ctx->vbit = 4.19195; | |
388 | ctx->dac_offset = u2; | |
389 | if (ctx->dac_offset == 0) | |
390 | ctx->dac_offset = 0x1ff; | |
391 | ctx->offset_range = u3; | |
392 | if (ctx->offset_range == 0) | |
393 | ctx->offset_range = 0x17d; | |
01cf8814 DR |
394 | |
395 | /* | |
396 | * FIXME: There is more code on the original software to handle | |
397 | * bigger iSerial strings, but as I can't test on my device | |
398 | * I will not implement it yet | |
399 | */ | |
400 | ||
e46b8fb1 | 401 | return SR_OK; |
01cf8814 DR |
402 | } |
403 | ||
bb7ef793 | 404 | static int hw_init(const char *devinfo) |
01cf8814 | 405 | { |
d68e2d1a | 406 | struct sr_dev_inst *sdi; |
01cf8814 DR |
407 | int devcnt = 0; |
408 | struct udev *udev; | |
409 | struct udev_enumerate *enumerate; | |
bb7ef793 | 410 | struct udev_list_entry *devs, *dev_list_entry; |
ea9cfed7 | 411 | struct context *ctx; |
01cf8814 | 412 | |
bb7ef793 | 413 | devinfo = devinfo; |
01cf8814 DR |
414 | |
415 | /* It's easier to map usb<->serial using udev */ | |
416 | /* | |
417 | * FIXME: On windows we can get the same information from the | |
418 | * registry, add an #ifdef here later | |
419 | */ | |
420 | udev = udev_new(); | |
421 | if (!udev) { | |
7b48d6e1 | 422 | sr_err("mso19: Failed to initialize udev."); |
01cf8814 DR |
423 | goto ret; |
424 | } | |
425 | enumerate = udev_enumerate_new(udev); | |
426 | udev_enumerate_add_match_subsystem(enumerate, "usb-serial"); | |
427 | udev_enumerate_scan_devices(enumerate); | |
bb7ef793 UH |
428 | devs = udev_enumerate_get_list_entry(enumerate); |
429 | udev_list_entry_foreach(dev_list_entry, devs) { | |
01cf8814 DR |
430 | const char *syspath, *sysname, *idVendor, *idProduct, |
431 | *iSerial, *iProduct; | |
432 | char path[32], manufacturer[32], product[32], hwrev[32]; | |
433 | struct udev_device *dev, *parent; | |
434 | size_t s; | |
435 | ||
436 | syspath = udev_list_entry_get_name(dev_list_entry); | |
437 | dev = udev_device_new_from_syspath(udev, syspath); | |
438 | sysname = udev_device_get_sysname(dev); | |
439 | parent = udev_device_get_parent_with_subsystem_devtype( | |
440 | dev, "usb", "usb_device"); | |
441 | if (!parent) { | |
7b48d6e1 | 442 | sr_err("mso19: Unable to find parent usb device for %s", |
133a37bf | 443 | sysname); |
01cf8814 DR |
444 | continue; |
445 | } | |
446 | ||
447 | idVendor = udev_device_get_sysattr_value(parent, "idVendor"); | |
448 | idProduct = udev_device_get_sysattr_value(parent, "idProduct"); | |
449 | if (strcmp(USB_VENDOR, idVendor) | |
450 | || strcmp(USB_PRODUCT, idProduct)) | |
451 | continue; | |
452 | ||
453 | iSerial = udev_device_get_sysattr_value(parent, "serial"); | |
454 | iProduct = udev_device_get_sysattr_value(parent, "product"); | |
455 | ||
456 | snprintf(path, sizeof(path), "/dev/%s", sysname); | |
457 | ||
458 | s = strcspn(iProduct, " "); | |
459 | if (s > sizeof(product) || | |
460 | strlen(iProduct) - s > sizeof(manufacturer)) { | |
7b48d6e1 | 461 | sr_err("mso19: Could not parse iProduct: %s", iProduct); |
01cf8814 DR |
462 | continue; |
463 | } | |
464 | strncpy(product, iProduct, s); | |
465 | product[s] = 0; | |
466 | strcpy(manufacturer, iProduct + s); | |
01cf8814 | 467 | |
ea9cfed7 UH |
468 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
469 | sr_err("mso19: %s: ctx malloc failed", __func__); | |
ecad043f UH |
470 | continue; /* TODO: Errors handled correctly? */ |
471 | } | |
01cf8814 | 472 | |
ea9cfed7 | 473 | if (mso_parse_serial(iSerial, iProduct, ctx) != SR_OK) { |
7b48d6e1 | 474 | sr_err("mso19: Invalid iSerial: %s", iSerial); |
ea9cfed7 | 475 | goto err_free_ctx; |
01cf8814 | 476 | } |
ea9cfed7 | 477 | sprintf(hwrev, "r%d", ctx->hwrev); |
a2936073 | 478 | |
01cf8814 | 479 | /* hardware initial state */ |
ea9cfed7 | 480 | ctx->ctlbase1 = 0; |
a2936073 RC |
481 | { |
482 | /* Initialize the protocol trigger configuration */ | |
483 | int i; | |
7b48d6e1 | 484 | for (i = 0; i < 4; i++) { |
ea9cfed7 UH |
485 | ctx->protocol_trigger.word[i] = 0; |
486 | ctx->protocol_trigger.mask[i] = 0xff; | |
a2936073 | 487 | } |
ea9cfed7 | 488 | ctx->protocol_trigger.spimode = 0; |
a2936073 | 489 | } |
01cf8814 | 490 | |
d3683c42 | 491 | sdi = sr_dev_inst_new(devcnt, SR_ST_INITIALIZING, |
7b48d6e1 | 492 | manufacturer, product, hwrev); |
01cf8814 | 493 | if (!sdi) { |
7b48d6e1 | 494 | sr_err("mso19: Unable to create device instance for %s", |
133a37bf | 495 | sysname); |
ea9cfed7 | 496 | goto err_free_ctx; |
01cf8814 DR |
497 | } |
498 | ||
499 | /* save a pointer to our private instance data */ | |
ea9cfed7 | 500 | sdi->priv = ctx; |
01cf8814 | 501 | |
d3683c42 | 502 | sdi->serial = sr_serial_dev_inst_new(path, -1); |
01cf8814 | 503 | if (!sdi->serial) |
d68e2d1a | 504 | goto err_dev_inst_free; |
01cf8814 | 505 | |
d68e2d1a | 506 | dev_insts = g_slist_append(dev_insts, sdi); |
01cf8814 DR |
507 | devcnt++; |
508 | continue; | |
509 | ||
d68e2d1a | 510 | err_dev_inst_free: |
d3683c42 | 511 | sr_dev_inst_free(sdi); |
ea9cfed7 UH |
512 | err_free_ctx: |
513 | g_free(ctx); | |
01cf8814 DR |
514 | } |
515 | ||
516 | udev_enumerate_unref(enumerate); | |
517 | udev_unref(udev); | |
518 | ||
519 | ret: | |
520 | return devcnt; | |
521 | } | |
522 | ||
57ab7d9f | 523 | static int hw_cleanup(void) |
01cf8814 DR |
524 | { |
525 | GSList *l; | |
d68e2d1a | 526 | struct sr_dev_inst *sdi; |
341ce415 | 527 | int ret; |
01cf8814 | 528 | |
341ce415 | 529 | ret = SR_OK; |
01cf8814 | 530 | /* Properly close all devices. */ |
d68e2d1a | 531 | for (l = dev_insts; l; l = l->next) { |
57ab7d9f UH |
532 | if (!(sdi = l->data)) { |
533 | /* Log error, but continue cleaning up the rest. */ | |
534 | sr_err("mso19: %s: sdi was NULL, continuing", __func__); | |
535 | ret = SR_ERR_BUG; | |
536 | continue; | |
537 | } | |
01cf8814 DR |
538 | if (sdi->serial->fd != -1) |
539 | serial_close(sdi->serial->fd); | |
d3683c42 | 540 | sr_dev_inst_free(sdi); |
01cf8814 | 541 | } |
d68e2d1a UH |
542 | g_slist_free(dev_insts); |
543 | dev_insts = NULL; | |
57ab7d9f | 544 | |
341ce415 | 545 | return ret; |
01cf8814 DR |
546 | } |
547 | ||
e7eb703f | 548 | static int hw_dev_open(int dev_index) |
01cf8814 | 549 | { |
d68e2d1a | 550 | struct sr_dev_inst *sdi; |
ea9cfed7 | 551 | struct context *ctx; |
e46b8fb1 | 552 | int ret = SR_ERR; |
01cf8814 | 553 | |
bb7ef793 | 554 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
01cf8814 DR |
555 | return ret; |
556 | ||
ea9cfed7 | 557 | ctx = sdi->priv; |
01cf8814 DR |
558 | sdi->serial->fd = serial_open(sdi->serial->port, O_RDWR); |
559 | if (sdi->serial->fd == -1) | |
560 | return ret; | |
561 | ||
562 | ret = serial_set_params(sdi->serial->fd, 460800, 8, 0, 1, 2); | |
e46b8fb1 | 563 | if (ret != SR_OK) |
01cf8814 DR |
564 | return ret; |
565 | ||
5a2326a7 | 566 | sdi->status = SR_ST_ACTIVE; |
01cf8814 DR |
567 | |
568 | /* FIXME: discard serial buffer */ | |
569 | ||
ea9cfed7 UH |
570 | mso_check_trigger(sdi, &ctx->trigger_state); |
571 | sr_dbg("mso19: trigger state: 0x%x", ctx->trigger_state); | |
01cf8814 DR |
572 | |
573 | ret = mso_reset_adc(sdi); | |
e46b8fb1 | 574 | if (ret != SR_OK) |
01cf8814 DR |
575 | return ret; |
576 | ||
ea9cfed7 UH |
577 | mso_check_trigger(sdi, &ctx->trigger_state); |
578 | sr_dbg("mso19: trigger state: 0x%x", ctx->trigger_state); | |
01cf8814 DR |
579 | |
580 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 581 | // if (ret != SR_OK) |
01cf8814 DR |
582 | // return ret; |
583 | ||
7b48d6e1 | 584 | sr_dbg("mso19: Finished %s", __func__); |
357285a9 | 585 | |
e46b8fb1 UH |
586 | // return SR_ERR; |
587 | return SR_OK; | |
01cf8814 DR |
588 | } |
589 | ||
e7eb703f | 590 | static int hw_dev_close(int dev_index) |
01cf8814 | 591 | { |
d68e2d1a | 592 | struct sr_dev_inst *sdi; |
01cf8814 | 593 | |
bb7ef793 | 594 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) { |
697785d1 | 595 | sr_err("mso19: %s: sdi was NULL", __func__); |
0abee507 | 596 | return SR_ERR_BUG; |
697785d1 | 597 | } |
01cf8814 | 598 | |
697785d1 | 599 | /* TODO */ |
01cf8814 DR |
600 | if (sdi->serial->fd != -1) { |
601 | serial_close(sdi->serial->fd); | |
602 | sdi->serial->fd = -1; | |
5a2326a7 | 603 | sdi->status = SR_ST_INACTIVE; |
01cf8814 | 604 | } |
697785d1 | 605 | |
7b48d6e1 | 606 | sr_dbg("mso19: finished %s", __func__); |
697785d1 | 607 | return SR_OK; |
01cf8814 DR |
608 | } |
609 | ||
5097b0d0 | 610 | static void *hw_dev_info_get(int dev_index, int dev_info_id) |
01cf8814 | 611 | { |
d68e2d1a | 612 | struct sr_dev_inst *sdi; |
ea9cfed7 | 613 | struct context *ctx; |
01cf8814 DR |
614 | void *info = NULL; |
615 | ||
bb7ef793 | 616 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
01cf8814 | 617 | return NULL; |
ea9cfed7 | 618 | ctx = sdi->priv; |
01cf8814 | 619 | |
bb7ef793 | 620 | switch (dev_info_id) { |
1d9a8a5f | 621 | case SR_DI_INST: |
01cf8814 DR |
622 | info = sdi; |
623 | break; | |
5a2326a7 | 624 | case SR_DI_NUM_PROBES: /* FIXME: How to report analog probe? */ |
464d12c7 KS |
625 | info = GINT_TO_POINTER(NUM_PROBES); |
626 | break; | |
627 | case SR_DI_PROBE_NAMES: | |
628 | info = probe_names; | |
01cf8814 | 629 | break; |
5a2326a7 | 630 | case SR_DI_SAMPLERATES: |
01cf8814 DR |
631 | info = &samplerates; |
632 | break; | |
5a2326a7 | 633 | case SR_DI_TRIGGER_TYPES: |
01cf8814 DR |
634 | info = "01"; /* FIXME */ |
635 | break; | |
5a2326a7 | 636 | case SR_DI_CUR_SAMPLERATE: |
ea9cfed7 | 637 | info = &ctx->cur_rate; |
01cf8814 DR |
638 | break; |
639 | } | |
640 | return info; | |
641 | } | |
642 | ||
e7eb703f | 643 | static int hw_dev_status_get(int dev_index) |
01cf8814 | 644 | { |
d68e2d1a | 645 | struct sr_dev_inst *sdi; |
01cf8814 | 646 | |
bb7ef793 | 647 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
5a2326a7 | 648 | return SR_ST_NOT_FOUND; |
01cf8814 DR |
649 | |
650 | return sdi->status; | |
651 | } | |
652 | ||
915f7cc8 | 653 | static const int *hw_hwcap_get_all(void) |
01cf8814 | 654 | { |
ffedd0bf | 655 | return hwcaps; |
01cf8814 DR |
656 | } |
657 | ||
a9a245b4 | 658 | static int hw_dev_config_set(int dev_index, int hwcap, void *value) |
01cf8814 | 659 | { |
d68e2d1a | 660 | struct sr_dev_inst *sdi; |
01cf8814 | 661 | |
bb7ef793 | 662 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
e46b8fb1 | 663 | return SR_ERR; |
01cf8814 | 664 | |
ffedd0bf | 665 | switch (hwcap) { |
5a2326a7 | 666 | case SR_HWCAP_SAMPLERATE: |
01cf8814 | 667 | return mso_configure_rate(sdi, *(uint64_t *) value); |
5a2326a7 UH |
668 | case SR_HWCAP_PROBECONFIG: |
669 | case SR_HWCAP_LIMIT_SAMPLES: | |
01cf8814 | 670 | default: |
e46b8fb1 | 671 | return SR_OK; /* FIXME */ |
01cf8814 | 672 | } |
01cf8814 DR |
673 | } |
674 | ||
675 | #define MSO_TRIGGER_UNKNOWN '!' | |
676 | #define MSO_TRIGGER_UNKNOWN1 '1' | |
677 | #define MSO_TRIGGER_UNKNOWN2 '2' | |
678 | #define MSO_TRIGGER_UNKNOWN3 '3' | |
679 | #define MSO_TRIGGER_WAIT '4' | |
680 | #define MSO_TRIGGER_FIRED '5' | |
681 | #define MSO_TRIGGER_DATAREADY '6' | |
682 | ||
683 | /* FIXME: Pass errors? */ | |
1f9813eb | 684 | static int receive_data(int fd, int revents, void *cb_data) |
01cf8814 | 685 | { |
1f9813eb | 686 | struct sr_dev_inst *sdi = cb_data; |
ea9cfed7 | 687 | struct context *ctx = sdi->priv; |
b9c735a2 | 688 | struct sr_datafeed_packet packet; |
e42ef08d | 689 | struct sr_datafeed_logic logic; |
01cf8814 DR |
690 | uint8_t in[1024], logic_out[1024]; |
691 | double analog_out[1024]; | |
692 | size_t i, s; | |
693 | ||
4101f961 UH |
694 | /* Avoid compiler warnings. */ |
695 | (void)revents; | |
01cf8814 | 696 | |
2119ab03 | 697 | s = serial_read(fd, in, sizeof(in)); |
01cf8814 DR |
698 | if (s <= 0) |
699 | return FALSE; | |
700 | ||
701 | /* No samples */ | |
ea9cfed7 UH |
702 | if (ctx->trigger_state != MSO_TRIGGER_DATAREADY) { |
703 | ctx->trigger_state = in[0]; | |
704 | if (ctx->trigger_state == MSO_TRIGGER_DATAREADY) { | |
01cf8814 | 705 | mso_read_buffer(sdi); |
ea9cfed7 | 706 | ctx->buffer_n = 0; |
01cf8814 DR |
707 | } else { |
708 | mso_check_trigger(sdi, NULL); | |
709 | } | |
710 | return FALSE; | |
711 | } | |
712 | ||
713 | /* the hardware always dumps 1024 samples, 24bits each */ | |
ea9cfed7 UH |
714 | if (ctx->buffer_n < 3072) { |
715 | memcpy(ctx->buffer + ctx->buffer_n, in, s); | |
716 | ctx->buffer_n += s; | |
01cf8814 | 717 | } |
ea9cfed7 | 718 | if (ctx->buffer_n < 3072) |
01cf8814 DR |
719 | return FALSE; |
720 | ||
721 | /* do the conversion */ | |
722 | for (i = 0; i < 1024; i++) { | |
723 | /* FIXME: Need to do conversion to mV */ | |
ea9cfed7 UH |
724 | analog_out[i] = (ctx->buffer[i * 3] & 0x3f) | |
725 | ((ctx->buffer[i * 3 + 1] & 0xf) << 6); | |
726 | logic_out[i] = ((ctx->buffer[i * 3 + 1] & 0x30) >> 4) | | |
727 | ((ctx->buffer[i * 3 + 2] & 0x3f) << 2); | |
01cf8814 DR |
728 | } |
729 | ||
5a2326a7 | 730 | packet.type = SR_DF_LOGIC; |
42eb54fb | 731 | packet.payload = &logic; |
e42ef08d RC |
732 | logic.length = 1024; |
733 | logic.unitsize = 1; | |
734 | logic.data = logic_out; | |
3cd3a20b | 735 | sr_session_send(ctx->session_dev_id, &packet); |
01cf8814 | 736 | |
42eb54fb UH |
737 | // Dont bother fixing this yet, keep it "old style" |
738 | /* | |
5a2326a7 | 739 | packet.type = SR_DF_ANALOG; |
01cf8814 DR |
740 | packet.length = 1024; |
741 | packet.unitsize = sizeof(double); | |
742 | packet.payload = analog_out; | |
3cd3a20b | 743 | sr_session_send(ctx->session_dev_id, &packet); |
42eb54fb | 744 | */ |
01cf8814 | 745 | |
5a2326a7 | 746 | packet.type = SR_DF_END; |
3cd3a20b | 747 | sr_session_send(ctx->session_dev_id, &packet); |
01cf8814 DR |
748 | |
749 | return TRUE; | |
750 | } | |
751 | ||
3cd3a20b | 752 | static int hw_dev_acquisition_start(int dev_index, void *cb_data) |
01cf8814 | 753 | { |
d68e2d1a | 754 | struct sr_dev_inst *sdi; |
ea9cfed7 | 755 | struct context *ctx; |
b9c735a2 UH |
756 | struct sr_datafeed_packet packet; |
757 | struct sr_datafeed_header header; | |
e46b8fb1 | 758 | int ret = SR_ERR; |
01cf8814 | 759 | |
bb7ef793 | 760 | if (!(sdi = sr_dev_inst_get(dev_insts, dev_index))) |
01cf8814 | 761 | return ret; |
ea9cfed7 | 762 | ctx = sdi->priv; |
01cf8814 DR |
763 | |
764 | /* FIXME: No need to do full reconfigure every time */ | |
765 | // ret = mso_reset_fsm(sdi); | |
e46b8fb1 | 766 | // if (ret != SR_OK) |
01cf8814 DR |
767 | // return ret; |
768 | ||
769 | /* FIXME: ACDC Mode */ | |
ea9cfed7 UH |
770 | ctx->ctlbase1 &= 0x7f; |
771 | // ctx->ctlbase1 |= ctx->acdcmode; | |
01cf8814 | 772 | |
ea9cfed7 | 773 | ret = mso_configure_rate(sdi, ctx->cur_rate); |
e46b8fb1 | 774 | if (ret != SR_OK) |
01cf8814 DR |
775 | return ret; |
776 | ||
777 | /* set dac offset */ | |
ea9cfed7 | 778 | ret = mso_dac_out(sdi, ctx->dac_offset); |
e46b8fb1 | 779 | if (ret != SR_OK) |
01cf8814 DR |
780 | return ret; |
781 | ||
782 | ret = mso_configure_threshold_level(sdi); | |
e46b8fb1 | 783 | if (ret != SR_OK) |
01cf8814 DR |
784 | return ret; |
785 | ||
786 | ret = mso_configure_trigger(sdi); | |
e46b8fb1 | 787 | if (ret != SR_OK) |
01cf8814 DR |
788 | return ret; |
789 | ||
790 | /* FIXME: trigger_position */ | |
791 | ||
792 | ||
793 | /* END of config hardware part */ | |
794 | ||
795 | /* with trigger */ | |
796 | ret = mso_arm(sdi); | |
e46b8fb1 | 797 | if (ret != SR_OK) |
01cf8814 DR |
798 | return ret; |
799 | ||
800 | /* without trigger */ | |
801 | // ret = mso_force_capture(sdi); | |
e46b8fb1 | 802 | // if (ret != SR_OK) |
01cf8814 DR |
803 | // return ret; |
804 | ||
ea9cfed7 | 805 | mso_check_trigger(sdi, &ctx->trigger_state); |
01cf8814 | 806 | ret = mso_check_trigger(sdi, NULL); |
e46b8fb1 | 807 | if (ret != SR_OK) |
01cf8814 DR |
808 | return ret; |
809 | ||
3cd3a20b | 810 | ctx->session_dev_id = cb_data; |
6f1be0a2 | 811 | sr_source_add(sdi->serial->fd, G_IO_IN, -1, receive_data, sdi); |
01cf8814 | 812 | |
5a2326a7 | 813 | packet.type = SR_DF_HEADER; |
01cf8814 DR |
814 | packet.payload = (unsigned char *) &header; |
815 | header.feed_version = 1; | |
816 | gettimeofday(&header.starttime, NULL); | |
ea9cfed7 | 817 | header.samplerate = ctx->cur_rate; |
5c64390e | 818 | // header.num_analog_probes = 1; |
01cf8814 | 819 | header.num_logic_probes = 8; |
3cd3a20b | 820 | sr_session_send(ctx->session_dev_id, &packet); |
01cf8814 DR |
821 | |
822 | return ret; | |
823 | } | |
824 | ||
3cd3a20b UH |
825 | /* TODO: This stops acquisition on ALL devices, ignoring dev_index. */ |
826 | static int hw_dev_acquisition_stop(int dev_index, void *cb_data) | |
01cf8814 | 827 | { |
b9c735a2 | 828 | struct sr_datafeed_packet packet; |
01cf8814 | 829 | |
3cd3a20b UH |
830 | /* Avoid compiler warnings. */ |
831 | (void)dev_index; | |
01cf8814 | 832 | |
5a2326a7 | 833 | packet.type = SR_DF_END; |
3cd3a20b | 834 | sr_session_send(cb_data, &packet); |
3010f21c UH |
835 | |
836 | return SR_OK; | |
01cf8814 DR |
837 | } |
838 | ||
c09f0b57 | 839 | SR_PRIV struct sr_dev_driver link_mso19_driver_info = { |
01cf8814 | 840 | .name = "link-mso19", |
9f8274a5 | 841 | .longname = "Link Instruments MSO-19", |
01cf8814 DR |
842 | .api_version = 1, |
843 | .init = hw_init, | |
844 | .cleanup = hw_cleanup, | |
e7eb703f UH |
845 | .dev_open = hw_dev_open, |
846 | .dev_close = hw_dev_close, | |
5097b0d0 | 847 | .dev_info_get = hw_dev_info_get, |
e7eb703f | 848 | .dev_status_get = hw_dev_status_get, |
ffedd0bf | 849 | .hwcap_get_all = hw_hwcap_get_all, |
a9a245b4 | 850 | .dev_config_set = hw_dev_config_set, |
69040b7c UH |
851 | .dev_acquisition_start = hw_dev_acquisition_start, |
852 | .dev_acquisition_stop = hw_dev_acquisition_stop, | |
01cf8814 | 853 | }; |