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a1bb33af UH |
1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2010 Bert Vermeulen <bert@biot.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. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
18 | */ | |
19 | ||
20 | #include <stdlib.h> | |
21 | #include <stdio.h> | |
22 | #include <string.h> | |
23 | #include <glib.h> | |
25e7d9b1 | 24 | #include <sigrok.h> |
d2b36a10 | 25 | #include "config.h" |
a1bb33af | 26 | |
02076d69 UH |
27 | #define DEFAULT_BPL_BITS 64 |
28 | #define DEFAULT_BPL_HEX 256 | |
a1bb33af UH |
29 | |
30 | struct context { | |
afc8e4de | 31 | unsigned int num_enabled_probes; |
a1bb33af | 32 | int samples_per_line; |
afc8e4de | 33 | unsigned int unitsize; |
a1bb33af UH |
34 | int line_offset; |
35 | int linebuf_len; | |
36 | char *probelist[65]; | |
37 | char *linebuf; | |
38 | int spl_cnt; | |
39 | uint8_t *linevalues; | |
40 | char *header; | |
5045c217 | 41 | int mark_trigger; |
a1bb33af UH |
42 | }; |
43 | ||
afc8e4de | 44 | static void flush_linebufs(struct context *ctx, char *outbuf) |
a1bb33af UH |
45 | { |
46 | static int max_probename_len = 0; | |
47 | int len, i; | |
48 | ||
99c1fc59 | 49 | if (ctx->linebuf[0] == 0) |
a1bb33af UH |
50 | return; |
51 | ||
99c1fc59 UH |
52 | if (max_probename_len == 0) { |
53 | /* First time through... */ | |
54 | for (i = 0; ctx->probelist[i]; i++) { | |
a1bb33af | 55 | len = strlen(ctx->probelist[i]); |
99c1fc59 | 56 | if (len > max_probename_len) |
a1bb33af UH |
57 | max_probename_len = len; |
58 | } | |
59 | } | |
60 | ||
99c1fc59 UH |
61 | for (i = 0; ctx->probelist[i]; i++) { |
62 | sprintf(outbuf + strlen(outbuf), "%*s:%s\n", max_probename_len, | |
63 | ctx->probelist[i], ctx->linebuf + i * ctx->linebuf_len); | |
a1bb33af | 64 | } |
5045c217 | 65 | |
e734b81a | 66 | /* Mark trigger with a ^ character. */ |
5045c217 HE |
67 | if (ctx->mark_trigger != -1) |
68 | sprintf(outbuf + strlen(outbuf), "T:%*s^\n", | |
69 | ctx->mark_trigger + (ctx->mark_trigger / 8), ""); | |
70 | ||
a1bb33af | 71 | memset(ctx->linebuf, 0, i * ctx->linebuf_len); |
a1bb33af UH |
72 | } |
73 | ||
5a8fda15 | 74 | static int init(struct output *o, int default_spl) |
a1bb33af UH |
75 | { |
76 | struct context *ctx; | |
77 | struct probe *probe; | |
78 | GSList *l; | |
79 | uint64_t samplerate; | |
80 | int num_probes; | |
25e7d9b1 | 81 | char *samplerate_s; |
a1bb33af | 82 | |
e734b81a UH |
83 | if (!(ctx = calloc(1, sizeof(struct context)))) |
84 | return SIGROK_ERR_MALLOC; | |
85 | ||
a1bb33af UH |
86 | o->internal = ctx; |
87 | ctx->num_enabled_probes = 0; | |
99c1fc59 UH |
88 | |
89 | for (l = o->device->probes; l; l = l->next) { | |
a1bb33af | 90 | probe = l->data; |
757b8c62 UH |
91 | if (!probe->enabled) |
92 | continue; | |
93 | ctx->probelist[ctx->num_enabled_probes++] = probe->name; | |
a1bb33af | 94 | } |
99c1fc59 | 95 | |
a1bb33af UH |
96 | ctx->probelist[ctx->num_enabled_probes] = 0; |
97 | ctx->unitsize = (ctx->num_enabled_probes + 7) / 8; | |
98 | ctx->line_offset = 0; | |
99 | ctx->spl_cnt = 0; | |
5045c217 | 100 | ctx->mark_trigger = -1; |
99c1fc59 | 101 | |
ee5f5e81 | 102 | if (o->param && o->param[0]) { |
a1bb33af | 103 | ctx->samples_per_line = strtoul(o->param, NULL, 10); |
ee5f5e81 BV |
104 | if (ctx->samples_per_line < 1) |
105 | return SIGROK_ERR; | |
106 | } else | |
a1bb33af UH |
107 | ctx->samples_per_line = default_spl; |
108 | ||
e734b81a UH |
109 | if (!(ctx->header = malloc(512))) { |
110 | free(ctx); | |
111 | return SIGROK_ERR_MALLOC; | |
112 | } | |
113 | ||
d2b36a10 | 114 | snprintf(ctx->header, 511, "%s\n", PACKAGE_STRING); |
7aae7462 | 115 | if (o->device->plugin) { |
7aae7462 BV |
116 | num_probes = g_slist_length(o->device->probes); |
117 | samplerate = *((uint64_t *) o->device->plugin->get_device_info( | |
118 | o->device->plugin_index, DI_CUR_SAMPLERATE)); | |
e734b81a UH |
119 | if (!(samplerate_s = sigrok_samplerate_string(samplerate))) { |
120 | free(ctx->header); | |
121 | free(ctx); | |
d2b36a10 | 122 | return SIGROK_ERR; |
e734b81a UH |
123 | } |
124 | snprintf(ctx->header + strlen(ctx->header), | |
125 | 511 - strlen(ctx->header), | |
126 | "Acquisition with %d/%d probes at %s\n", | |
127 | ctx->num_enabled_probes, num_probes, samplerate_s); | |
7aae7462 | 128 | free(samplerate_s); |
7aae7462 | 129 | } |
a1bb33af | 130 | |
ee5f5e81 | 131 | ctx->linebuf_len = ctx->samples_per_line * 2 + 4; |
e734b81a UH |
132 | if (!(ctx->linebuf = calloc(1, num_probes * ctx->linebuf_len))) { |
133 | free(ctx->header); | |
134 | free(ctx); | |
135 | return SIGROK_ERR_MALLOC; | |
136 | } | |
137 | if (!(ctx->linevalues = calloc(1, num_probes))) { | |
138 | free(ctx->header); | |
139 | free(ctx); | |
140 | return SIGROK_ERR_MALLOC; | |
141 | } | |
a1bb33af | 142 | |
e734b81a | 143 | return SIGROK_OK; |
a1bb33af UH |
144 | } |
145 | ||
99c1fc59 UH |
146 | static int event(struct output *o, int event_type, char **data_out, |
147 | uint64_t *length_out) | |
a1bb33af UH |
148 | { |
149 | struct context *ctx; | |
150 | int outsize; | |
151 | char *outbuf; | |
152 | ||
153 | ctx = o->internal; | |
99c1fc59 | 154 | switch (event_type) { |
a1bb33af | 155 | case DF_TRIGGER: |
5045c217 | 156 | ctx->mark_trigger = ctx->spl_cnt; |
a1bb33af UH |
157 | break; |
158 | case DF_END: | |
99c1fc59 UH |
159 | outsize = ctx->num_enabled_probes |
160 | * (ctx->samples_per_line + 20) + 512; | |
e734b81a UH |
161 | if (!(outbuf = calloc(1, outsize))) |
162 | return SIGROK_ERR_MALLOC; | |
afc8e4de | 163 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
164 | *data_out = outbuf; |
165 | *length_out = strlen(outbuf); | |
166 | free(o->internal); | |
167 | o->internal = NULL; | |
168 | break; | |
169 | } | |
170 | ||
171 | return SIGROK_OK; | |
172 | } | |
173 | ||
02076d69 | 174 | static int init_bits(struct output *o) |
a1bb33af | 175 | { |
02076d69 | 176 | return init(o, DEFAULT_BPL_BITS); |
a1bb33af UH |
177 | } |
178 | ||
99c1fc59 UH |
179 | static int data_bits(struct output *o, char *data_in, uint64_t length_in, |
180 | char **data_out, uint64_t *length_out) | |
a1bb33af UH |
181 | { |
182 | struct context *ctx; | |
afc8e4de | 183 | unsigned int outsize, offset, p; |
33972913 | 184 | int max_linelen; |
a1bb33af | 185 | uint64_t sample; |
757b8c62 | 186 | char *outbuf, c; |
a1bb33af UH |
187 | |
188 | ctx = o->internal; | |
757b8c62 UH |
189 | max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
190 | + ctx->samples_per_line / 8; | |
191 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes | |
192 | / ctx->samples_per_line * max_linelen + 512; | |
e734b81a UH |
193 | |
194 | if (!(outbuf = calloc(1, outsize + 1))) | |
195 | return SIGROK_ERR_MALLOC; | |
196 | ||
197 | outbuf[0] = '\0'; | |
99c1fc59 UH |
198 | if (ctx->header) { |
199 | /* The header is still here, this must be the first packet. */ | |
a1bb33af UH |
200 | strncpy(outbuf, ctx->header, outsize); |
201 | free(ctx->header); | |
202 | ctx->header = NULL; | |
e734b81a | 203 | } |
a1bb33af | 204 | |
99c1fc59 UH |
205 | if (length_in >= ctx->unitsize) { |
206 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
207 | offset += ctx->unitsize) { | |
a1bb33af | 208 | memcpy(&sample, data_in + offset, ctx->unitsize); |
99c1fc59 | 209 | for (p = 0; p < ctx->num_enabled_probes; p++) { |
757b8c62 UH |
210 | c = (sample & ((uint64_t) 1 << p)) ? '1' : '0'; |
211 | ctx->linebuf[p * ctx->linebuf_len + | |
212 | ctx->line_offset] = c; | |
a1bb33af UH |
213 | } |
214 | ctx->line_offset++; | |
215 | ctx->spl_cnt++; | |
216 | ||
99c1fc59 UH |
217 | /* Add a space every 8th bit. */ |
218 | if ((ctx->spl_cnt & 7) == 0) { | |
219 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
220 | ctx->linebuf[p * ctx->linebuf_len + | |
221 | ctx->line_offset] = ' '; | |
a1bb33af UH |
222 | ctx->line_offset++; |
223 | } | |
224 | ||
99c1fc59 UH |
225 | /* End of line. */ |
226 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 227 | flush_linebufs(ctx, outbuf); |
a1bb33af | 228 | ctx->line_offset = ctx->spl_cnt = 0; |
5045c217 | 229 | ctx->mark_trigger = -1; |
a1bb33af UH |
230 | } |
231 | } | |
e734b81a | 232 | } else { |
99c1fc59 | 233 | g_message("short buffer (length_in=%" PRIu64 ")", length_in); |
e734b81a | 234 | } |
a1bb33af UH |
235 | |
236 | *data_out = outbuf; | |
237 | *length_out = strlen(outbuf); | |
238 | ||
239 | return SIGROK_OK; | |
240 | } | |
241 | ||
5a8fda15 | 242 | static int init_hex(struct output *o) |
a1bb33af | 243 | { |
02076d69 | 244 | return init(o, DEFAULT_BPL_BITS); |
a1bb33af UH |
245 | } |
246 | ||
99c1fc59 UH |
247 | static int data_hex(struct output *o, char *data_in, uint64_t length_in, |
248 | char **data_out, uint64_t *length_out) | |
a1bb33af UH |
249 | { |
250 | struct context *ctx; | |
afc8e4de | 251 | unsigned int outsize, offset, p; |
33972913 | 252 | int max_linelen; |
a1bb33af UH |
253 | uint64_t sample; |
254 | char *outbuf; | |
255 | ||
256 | ctx = o->internal; | |
757b8c62 UH |
257 | max_linelen = MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
258 | + ctx->samples_per_line / 2; | |
259 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes | |
260 | / ctx->samples_per_line * max_linelen + 512; | |
e734b81a UH |
261 | |
262 | if (!(outbuf = calloc(1, outsize + 1))) | |
263 | return SIGROK_ERR_MALLOC; | |
264 | ||
265 | outbuf[0] = '\0'; | |
99c1fc59 UH |
266 | if (ctx->header) { |
267 | /* The header is still here, this must be the first packet. */ | |
a1bb33af UH |
268 | strncpy(outbuf, ctx->header, outsize); |
269 | free(ctx->header); | |
270 | ctx->header = NULL; | |
e734b81a | 271 | } |
a1bb33af UH |
272 | |
273 | ctx->line_offset = 0; | |
99c1fc59 UH |
274 | for (offset = 0; offset <= length_in - ctx->unitsize; |
275 | offset += ctx->unitsize) { | |
a1bb33af | 276 | memcpy(&sample, data_in + offset, ctx->unitsize); |
99c1fc59 | 277 | for (p = 0; p < ctx->num_enabled_probes; p++) { |
a1bb33af | 278 | ctx->linevalues[p] <<= 1; |
99c1fc59 UH |
279 | if (sample & ((uint64_t) 1 << p)) |
280 | ctx->linevalues[p] |= 1; | |
281 | sprintf(ctx->linebuf + (p * ctx->linebuf_len) + | |
282 | ctx->line_offset, "%.2x", ctx->linevalues[p]); | |
a1bb33af UH |
283 | } |
284 | ctx->spl_cnt++; | |
285 | ||
99c1fc59 UH |
286 | /* Add a space after every complete hex byte. */ |
287 | if ((ctx->spl_cnt & 7) == 0) { | |
288 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
289 | ctx->linebuf[p * ctx->linebuf_len + | |
290 | ctx->line_offset + 2] = ' '; | |
a1bb33af UH |
291 | ctx->line_offset += 3; |
292 | } | |
293 | ||
99c1fc59 UH |
294 | /* End of line. */ |
295 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
afc8e4de | 296 | flush_linebufs(ctx, outbuf); |
a1bb33af UH |
297 | ctx->line_offset = ctx->spl_cnt = 0; |
298 | } | |
299 | } | |
300 | ||
301 | *data_out = outbuf; | |
302 | *length_out = strlen(outbuf); | |
303 | ||
304 | return SIGROK_OK; | |
305 | } | |
306 | ||
02076d69 | 307 | struct output_format output_text_bits = { |
1c5b9d30 UH |
308 | "bits", |
309 | "Text (bits)", | |
02076d69 UH |
310 | init_bits, |
311 | data_bits, | |
99c1fc59 | 312 | event, |
a1bb33af UH |
313 | }; |
314 | ||
a1bb33af UH |
315 | struct output_format output_text_hex = { |
316 | "hex", | |
317 | "Text (hexadecimal)", | |
318 | init_hex, | |
319 | data_hex, | |
99c1fc59 | 320 | event, |
a1bb33af | 321 | }; |