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Commit | Line | Data |
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1437e893 BV |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
c73d2ea4 | 4 | * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com> |
f3163a6c | 5 | * Copyright (C) 2011 HÃ¥vard Espeland <gus@ping.uio.no> |
6eb0e3ea | 6 | * Copyright (C) 2011 Daniel Ribeiro <drwyrm@gmail.com> |
1437e893 BV |
7 | * |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
1437e893 | 22 | #include <stdlib.h> |
f3163a6c | 23 | #include <stdio.h> |
1437e893 | 24 | #include <string.h> |
f3163a6c | 25 | #include <glib.h> |
cd315a80 | 26 | #include "sigrok.h" |
1437e893 | 27 | |
f3163a6c DR |
28 | #define DEFAULT_BPL_BITS 64 |
29 | #define DEFAULT_BPL_HEX 192 | |
30 | #define DEFAULT_BPL_ASCII 74 | |
1437e893 | 31 | |
f3163a6c DR |
32 | enum outputmode { |
33 | MODE_BITS = 1, | |
34 | MODE_HEX, | |
35 | MODE_ASCII, | |
36 | }; | |
1437e893 BV |
37 | |
38 | struct context { | |
1437e893 | 39 | unsigned int num_enabled_probes; |
1437e893 BV |
40 | int samples_per_line; |
41 | unsigned int unitsize; | |
42 | int line_offset; | |
43 | int linebuf_len; | |
8ec95d22 | 44 | char *probelist[SR_MAX_NUM_PROBES + 1]; |
054e6709 | 45 | uint8_t *linebuf; |
1437e893 | 46 | int spl_cnt; |
f3163a6c DR |
47 | uint8_t *linevalues; |
48 | char *header; | |
1437e893 | 49 | int mark_trigger; |
809c5f20 | 50 | // struct sr_analog_sample *prevsample; |
f3163a6c | 51 | enum outputmode mode; |
1437e893 BV |
52 | }; |
53 | ||
054e6709 | 54 | static void flush_linebufs(struct context *ctx, uint8_t *outbuf) |
1437e893 BV |
55 | { |
56 | static int max_probename_len = 0; | |
57 | int len, i; | |
58 | ||
59 | if (ctx->linebuf[0] == 0) | |
60 | return; | |
61 | ||
62 | if (max_probename_len == 0) { | |
63 | /* First time through... */ | |
64 | for (i = 0; ctx->probelist[i]; i++) { | |
65 | len = strlen(ctx->probelist[i]); | |
66 | if (len > max_probename_len) | |
67 | max_probename_len = len; | |
68 | } | |
69 | } | |
70 | ||
71 | for (i = 0; ctx->probelist[i]; i++) { | |
72 | sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len, | |
73 | ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len); | |
74 | } | |
75 | ||
76 | /* Mark trigger with a ^ character. */ | |
77 | if (ctx->mark_trigger != -1) | |
f3163a6c DR |
78 | { |
79 | int space_offset = ctx->mark_trigger / 8; | |
80 | ||
81 | if (ctx->mode == MODE_ASCII) | |
82 | space_offset = 0; | |
83 | ||
1437e893 | 84 | sprintf(outbuf + strlen(outbuf), "T:%*s^\n", |
f3163a6c DR |
85 | ctx->mark_trigger + space_offset, ""); |
86 | } | |
1437e893 BV |
87 | |
88 | memset(ctx->linebuf, 0, i * ctx->linebuf_len); | |
89 | } | |
90 | ||
f50f3f40 | 91 | static int init(struct sr_output *o, int default_spl, enum outputmode mode) |
1437e893 BV |
92 | { |
93 | struct context *ctx; | |
1afe8989 | 94 | struct sr_probe *probe; |
1437e893 BV |
95 | GSList *l; |
96 | uint64_t samplerate; | |
97 | int num_probes; | |
98 | char *samplerate_s; | |
99 | ||
133a37bf UH |
100 | if (!(ctx = g_try_malloc0(sizeof(struct context)))) { |
101 | sr_err("analog out: %s: ctx malloc failed", __func__); | |
e46b8fb1 | 102 | return SR_ERR_MALLOC; |
133a37bf | 103 | } |
1437e893 | 104 | |
1437e893 | 105 | o->internal = ctx; |
1437e893 | 106 | ctx->num_enabled_probes = 0; |
f3163a6c | 107 | |
bb7ef793 | 108 | for (l = o->dev->probes; l; l = l->next) { |
f3163a6c DR |
109 | probe = l->data; |
110 | if (!probe->enabled) | |
111 | continue; | |
112 | ctx->probelist[ctx->num_enabled_probes++] = probe->name; | |
113 | } | |
114 | ||
115 | ctx->probelist[ctx->num_enabled_probes] = 0; | |
809c5f20 UH |
116 | ctx->unitsize = sizeof(struct sr_analog_sample) + |
117 | (ctx->num_enabled_probes * sizeof(struct sr_analog_probe)); | |
f3163a6c DR |
118 | ctx->line_offset = 0; |
119 | ctx->spl_cnt = 0; | |
1437e893 | 120 | ctx->mark_trigger = -1; |
f3163a6c DR |
121 | ctx->mode = mode; |
122 | ||
9b36e360 BV |
123 | if (o->param && o->param[0]) { |
124 | ctx->samples_per_line = strtoul(o->param, NULL, 10); | |
125 | if (ctx->samples_per_line < 1) | |
e46b8fb1 | 126 | return SR_ERR; |
9b36e360 | 127 | } else |
f3163a6c | 128 | ctx->samples_per_line = default_spl; |
9b36e360 | 129 | |
133a37bf UH |
130 | if (!(ctx->header = g_try_malloc(512))) { |
131 | g_free(ctx); | |
132 | sr_err("analog out: %s: ctx->header malloc failed", __func__); | |
e46b8fb1 | 133 | return SR_ERR_MALLOC; |
1437e893 | 134 | } |
1437e893 BV |
135 | |
136 | snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING); | |
bb7ef793 | 137 | num_probes = g_slist_length(o->dev->probes); |
c09f0b57 UH |
138 | if (o->dev->driver && sr_dev_has_hwcap(o->dev, SR_HWCAP_SAMPLERATE)) { |
139 | samplerate = *((uint64_t *) o->dev->driver->dev_info_get( | |
140 | o->dev->driver_index, SR_DI_CUR_SAMPLERATE)); | |
a00ba012 | 141 | if (!(samplerate_s = sr_samplerate_string(samplerate))) { |
133a37bf UH |
142 | g_free(ctx->header); |
143 | g_free(ctx); | |
e46b8fb1 | 144 | return SR_ERR; |
1437e893 BV |
145 | } |
146 | snprintf(ctx->header + strlen(ctx->header), | |
147 | 511 - strlen(ctx->header), | |
148 | "Acquisition with %d/%d probes at %s\n", | |
149 | ctx->num_enabled_probes, num_probes, samplerate_s); | |
133a37bf | 150 | g_free(samplerate_s); |
1437e893 BV |
151 | } |
152 | ||
f3163a6c | 153 | ctx->linebuf_len = ctx->samples_per_line * 2 + 4; |
133a37bf UH |
154 | if (!(ctx->linebuf = g_try_malloc0(num_probes * ctx->linebuf_len))) { |
155 | g_free(ctx->header); | |
156 | g_free(ctx); | |
157 | sr_err("analog out: %s: ctx->linebuf malloc failed", __func__); | |
e46b8fb1 | 158 | return SR_ERR_MALLOC; |
f3163a6c | 159 | } |
133a37bf UH |
160 | if (!(ctx->linevalues = g_try_malloc0(num_probes))) { |
161 | g_free(ctx->header); | |
162 | g_free(ctx); | |
163 | sr_err("analog out: %s: ctx->linevalues malloc failed", | |
164 | __func__); | |
e46b8fb1 | 165 | return SR_ERR_MALLOC; |
1437e893 BV |
166 | } |
167 | ||
e46b8fb1 | 168 | return SR_OK; |
1437e893 BV |
169 | } |
170 | ||
054e6709 | 171 | static int event(struct sr_output *o, int event_type, uint8_t **data_out, |
f3163a6c | 172 | uint64_t *length_out) |
1437e893 BV |
173 | { |
174 | struct context *ctx; | |
f3163a6c | 175 | int outsize; |
054e6709 | 176 | uint8_t *outbuf; |
1437e893 BV |
177 | |
178 | ctx = o->internal; | |
f3163a6c | 179 | switch (event_type) { |
5a2326a7 | 180 | case SR_DF_TRIGGER: |
f3163a6c DR |
181 | ctx->mark_trigger = ctx->spl_cnt; |
182 | *data_out = NULL; | |
183 | *length_out = 0; | |
184 | break; | |
5a2326a7 | 185 | case SR_DF_END: |
f3163a6c DR |
186 | outsize = ctx->num_enabled_probes |
187 | * (ctx->samples_per_line + 20) + 512; | |
133a37bf UH |
188 | if (!(outbuf = g_try_malloc0(outsize))) { |
189 | sr_err("analog out: %s: outbuf malloc failed", | |
190 | __func__); | |
e46b8fb1 | 191 | return SR_ERR_MALLOC; |
133a37bf | 192 | } |
f3163a6c DR |
193 | flush_linebufs(ctx, outbuf); |
194 | *data_out = outbuf; | |
195 | *length_out = strlen(outbuf); | |
133a37bf | 196 | g_free(o->internal); |
f3163a6c DR |
197 | o->internal = NULL; |
198 | break; | |
199 | default: | |
200 | *data_out = NULL; | |
201 | *length_out = 0; | |
202 | break; | |
203 | } | |
204 | ||
e46b8fb1 | 205 | return SR_OK; |
f3163a6c DR |
206 | } |
207 | ||
f50f3f40 | 208 | static int init_bits(struct sr_output *o) |
f3163a6c DR |
209 | { |
210 | return init(o, DEFAULT_BPL_BITS, MODE_BITS); | |
211 | } | |
212 | ||
054e6709 UH |
213 | static int data_bits(struct sr_output *o, const uint8_t *data_in, |
214 | uint64_t length_in, uint8_t **data_out, | |
215 | uint64_t *length_out) | |
f3163a6c DR |
216 | { |
217 | struct context *ctx; | |
218 | unsigned int outsize, offset, p; | |
219 | int max_linelen; | |
809c5f20 | 220 | struct sr_analog_sample *sample; |
054e6709 | 221 | uint8_t *outbuf, c; |
f3163a6c DR |
222 | |
223 | ctx = o->internal; | |
9688b443 | 224 | max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
1437e893 | 225 | + ctx->samples_per_line / 8; |
f3163a6c DR |
226 | /* |
227 | * Calculate space needed for probes. Set aside 512 bytes for | |
228 | * extra output, e.g. trigger. | |
229 | */ | |
230 | outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line) | |
231 | * (ctx->num_enabled_probes * max_linelen); | |
232 | ||
133a37bf UH |
233 | if (!(outbuf = g_try_malloc0(outsize + 1))) { |
234 | sr_err("analog out: %s: outbuf malloc failed", __func__); | |
e46b8fb1 | 235 | return SR_ERR_MALLOC; |
133a37bf | 236 | } |
1437e893 BV |
237 | |
238 | outbuf[0] = '\0'; | |
239 | if (ctx->header) { | |
240 | /* The header is still here, this must be the first packet. */ | |
241 | strncpy(outbuf, ctx->header, outsize); | |
133a37bf | 242 | g_free(ctx->header); |
1437e893 | 243 | ctx->header = NULL; |
f3163a6c DR |
244 | |
245 | /* Ensure first transition. */ | |
6eb0e3ea DR |
246 | // memcpy(&ctx->prevsample, data_in, ctx->unitsize); |
247 | // ctx->prevsample = ~ctx->prevsample; | |
1437e893 BV |
248 | } |
249 | ||
250 | if (length_in >= ctx->unitsize) { | |
251 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
252 | offset += ctx->unitsize) { | |
809c5f20 | 253 | sample = (struct sr_analog_sample *) (data_in + offset); |
1437e893 | 254 | for (p = 0; p < ctx->num_enabled_probes; p++) { |
6eb0e3ea DR |
255 | int val = sample->probes[p].val; |
256 | int res = sample->probes[p].res; | |
257 | if (res == 1) | |
258 | c = '0' + (val & ((1 << res) - 1)); | |
259 | else | |
260 | /* | |
261 | * Scale analog resolution down so it | |
262 | * fits 25 letters | |
263 | */ | |
264 | c = 'A' + (((val & ((1 << res) - 1)) / | |
265 | (res * res)) / 10); | |
f3163a6c DR |
266 | ctx->linebuf[p * ctx->linebuf_len + |
267 | ctx->line_offset] = c; | |
268 | } | |
269 | ctx->line_offset++; | |
270 | ctx->spl_cnt++; | |
271 | ||
272 | /* Add a space every 8th bit. */ | |
273 | if ((ctx->spl_cnt & 7) == 0) { | |
274 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
275 | ctx->linebuf[p * ctx->linebuf_len + | |
276 | ctx->line_offset] = ' '; | |
277 | ctx->line_offset++; | |
1437e893 BV |
278 | } |
279 | ||
280 | /* End of line. */ | |
281 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
282 | flush_linebufs(ctx, outbuf); | |
283 | ctx->line_offset = ctx->spl_cnt = 0; | |
284 | ctx->mark_trigger = -1; | |
285 | } | |
1437e893 BV |
286 | } |
287 | } else { | |
7b48d6e1 UH |
288 | sr_info("analog out: short buffer (length_in=%" PRIu64 ")", |
289 | length_in); | |
1437e893 BV |
290 | } |
291 | ||
292 | *data_out = outbuf; | |
293 | *length_out = strlen(outbuf); | |
294 | ||
e46b8fb1 | 295 | return SR_OK; |
1437e893 | 296 | } |
6eb0e3ea | 297 | #if 0 |
f50f3f40 | 298 | static int init_hex(struct sr_output *o) |
f3163a6c DR |
299 | { |
300 | return init(o, DEFAULT_BPL_HEX, MODE_HEX); | |
301 | } | |
302 | ||
054e6709 UH |
303 | static int data_hex(struct sr_output *o, const uint8_t *data_in, |
304 | uint64_t length_in, uint8_t **data_out, | |
305 | uint64_t *length_out) | |
1437e893 BV |
306 | { |
307 | struct context *ctx; | |
f3163a6c DR |
308 | unsigned int outsize, offset, p; |
309 | int max_linelen; | |
310 | uint64_t sample; | |
054e6709 | 311 | uint8_t *outbuf; |
1437e893 BV |
312 | |
313 | ctx = o->internal; | |
9688b443 | 314 | max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
f3163a6c DR |
315 | + ctx->samples_per_line / 2; |
316 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes | |
317 | / ctx->samples_per_line * max_linelen + 512; | |
318 | ||
133a37bf UH |
319 | if (!(outbuf = g_try_malloc0(outsize + 1))) { |
320 | sr_err("analog out: %s: outbuf malloc failed", __func__); | |
e46b8fb1 | 321 | return SR_ERR_MALLOC; |
133a37bf | 322 | } |
f3163a6c DR |
323 | |
324 | outbuf[0] = '\0'; | |
325 | if (ctx->header) { | |
326 | /* The header is still here, this must be the first packet. */ | |
327 | strncpy(outbuf, ctx->header, outsize); | |
133a37bf | 328 | g_free(ctx->header); |
f3163a6c | 329 | ctx->header = NULL; |
1437e893 BV |
330 | } |
331 | ||
f3163a6c DR |
332 | ctx->line_offset = 0; |
333 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
334 | offset += ctx->unitsize) { | |
335 | memcpy(&sample, data_in + offset, ctx->unitsize); | |
336 | for (p = 0; p < ctx->num_enabled_probes; p++) { | |
337 | ctx->linevalues[p] <<= 1; | |
338 | if (sample & ((uint64_t) 1 << p)) | |
339 | ctx->linevalues[p] |= 1; | |
340 | sprintf(ctx->linebuf + (p * ctx->linebuf_len) + | |
341 | ctx->line_offset, "%.2x", ctx->linevalues[p]); | |
342 | } | |
343 | ctx->spl_cnt++; | |
344 | ||
345 | /* Add a space after every complete hex byte. */ | |
346 | if ((ctx->spl_cnt & 7) == 0) { | |
347 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
348 | ctx->linebuf[p * ctx->linebuf_len + | |
349 | ctx->line_offset + 2] = ' '; | |
350 | ctx->line_offset += 3; | |
351 | } | |
352 | ||
353 | /* End of line. */ | |
354 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
355 | flush_linebufs(ctx, outbuf); | |
356 | ctx->line_offset = ctx->spl_cnt = 0; | |
357 | } | |
358 | } | |
359 | ||
360 | *data_out = outbuf; | |
361 | *length_out = strlen(outbuf); | |
1437e893 | 362 | |
e46b8fb1 | 363 | return SR_OK; |
1437e893 BV |
364 | } |
365 | ||
f50f3f40 | 366 | static int init_ascii(struct sr_output *o) |
f3163a6c DR |
367 | { |
368 | return init(o, DEFAULT_BPL_ASCII, MODE_ASCII); | |
369 | } | |
370 | ||
054e6709 UH |
371 | static int data_ascii(struct sr_output *o, const uint8_t *data_in, |
372 | uint64_t length_in, uint8_t **data_out, | |
373 | uint64_t *length_out) | |
f3163a6c DR |
374 | { |
375 | struct context *ctx; | |
376 | unsigned int outsize, offset, p; | |
377 | int max_linelen; | |
378 | uint64_t sample; | |
054e6709 | 379 | uint8_t *outbuf; |
f3163a6c DR |
380 | |
381 | ctx = o->internal; | |
9688b443 | 382 | max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
f3163a6c DR |
383 | + ctx->samples_per_line / 8; |
384 | /* | |
385 | * Calculate space needed for probes. Set aside 512 bytes for | |
386 | * extra output, e.g. trigger. | |
387 | */ | |
388 | outsize = 512 + (1 + (length_in / ctx->unitsize) / ctx->samples_per_line) | |
389 | * (ctx->num_enabled_probes * max_linelen); | |
390 | ||
133a37bf UH |
391 | if (!(outbuf = g_try_malloc0(outsize + 1))) { |
392 | sr_err("analog out: %s: outbuf malloc failed", __func__); | |
e46b8fb1 | 393 | return SR_ERR_MALLOC; |
133a37bf | 394 | } |
f3163a6c DR |
395 | |
396 | outbuf[0] = '\0'; | |
397 | if (ctx->header) { | |
398 | /* The header is still here, this must be the first packet. */ | |
399 | strncpy(outbuf, ctx->header, outsize); | |
133a37bf | 400 | g_free(ctx->header); |
f3163a6c DR |
401 | ctx->header = NULL; |
402 | } | |
403 | ||
404 | if (length_in >= ctx->unitsize) { | |
405 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
406 | offset += ctx->unitsize) { | |
407 | memcpy(&sample, data_in + offset, ctx->unitsize); | |
408 | ||
409 | char tmpval[ctx->num_enabled_probes]; | |
410 | ||
411 | for (p = 0; p < ctx->num_enabled_probes; p++) { | |
412 | uint64_t curbit = (sample & ((uint64_t) 1 << p)); | |
413 | uint64_t prevbit = (ctx->prevsample & | |
414 | ((uint64_t) 1 << p)); | |
415 | ||
416 | if (curbit < prevbit && ctx->line_offset > 0) { | |
417 | ctx->linebuf[p * ctx->linebuf_len + | |
418 | ctx->line_offset-1] = '\\'; | |
419 | } | |
420 | ||
421 | if (curbit > prevbit) { | |
422 | tmpval[p] = '/'; | |
423 | } else { | |
424 | if (curbit) | |
425 | tmpval[p] = '"'; | |
426 | else | |
427 | tmpval[p] = '.'; | |
428 | } | |
429 | } | |
430 | ||
431 | /* End of line. */ | |
432 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
433 | flush_linebufs(ctx, outbuf); | |
434 | ctx->line_offset = ctx->spl_cnt = 0; | |
435 | ctx->mark_trigger = -1; | |
436 | } | |
437 | ||
438 | for (p = 0; p < ctx->num_enabled_probes; p++) { | |
439 | ctx->linebuf[p * ctx->linebuf_len + | |
440 | ctx->line_offset] = tmpval[p]; | |
441 | } | |
442 | ||
443 | ctx->line_offset++; | |
444 | ctx->spl_cnt++; | |
445 | ||
446 | ctx->prevsample = sample; | |
447 | } | |
448 | } else { | |
7b48d6e1 UH |
449 | sr_info("analog out: short buffer (length_in=%" PRIu64 ")", |
450 | length_in); | |
f3163a6c DR |
451 | } |
452 | ||
453 | *data_out = outbuf; | |
454 | *length_out = strlen(outbuf); | |
455 | ||
e46b8fb1 | 456 | return SR_OK; |
f3163a6c | 457 | } |
6eb0e3ea | 458 | #endif |
f3163a6c | 459 | |
7c1d391c | 460 | SR_PRIV struct sr_output_format output_analog_bits = { |
cdb3573c | 461 | .id = "analog_bits", |
2e7cb004 | 462 | .description = "Bits", |
d494a4aa UH |
463 | .df_type = SR_DF_ANALOG, |
464 | .init = init_bits, | |
465 | .data = data_bits, | |
466 | .event = event, | |
1437e893 | 467 | }; |
7c1d391c | 468 | |
6eb0e3ea | 469 | #if 0 |
f50f3f40 | 470 | struct sr_output_format output_analog_hex = { |
cdb3573c | 471 | .id = "analog_hex", |
2e7cb004 | 472 | .description = "Hexadecimal", |
d494a4aa UH |
473 | .df_type = SR_DF_ANALOG, |
474 | .init = init_hex, | |
475 | .data = data_hex, | |
476 | .event = event, | |
f3163a6c DR |
477 | }; |
478 | ||
f50f3f40 | 479 | struct sr_output_format output_analog_ascii = { |
cdb3573c | 480 | .id = "analog_ascii", |
2e7cb004 | 481 | .description = "ASCII", |
d494a4aa UH |
482 | .df_type = SR_DF_ANALOG, |
483 | .init = init_ascii, | |
484 | .data = data_ascii, | |
485 | .event = event, | |
f3163a6c | 486 | }; |
6eb0e3ea | 487 | #endif |