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1 | /* |
2 | * This file is part of the sigrok project. | |
3 | * | |
4 | * Copyright (C) 2011 Bert Vermeulen <bert@biot.com> | |
5 | * Copyright (C) 2011 HÃ¥vard Espeland <gus@ping.uio.no> | |
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. | |
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/>. | |
19 | */ | |
20 | ||
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | #include <glib.h> | |
24 | #include <sigrok.h> | |
25 | #include "text.h" | |
26 | ||
27 | ||
f50f3f40 | 28 | int init_hex(struct sr_output *o) |
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29 | { |
30 | return init(o, DEFAULT_BPL_HEX, MODE_HEX); | |
31 | } | |
32 | ||
54ac5277 UH |
33 | int data_hex(struct sr_output *o, const char *data_in, uint64_t length_in, |
34 | char **data_out, uint64_t *length_out) | |
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35 | { |
36 | struct context *ctx; | |
37 | unsigned int outsize, offset, p; | |
38 | int max_linelen; | |
39 | uint64_t sample; | |
40 | char *outbuf; | |
41 | ||
42 | ctx = o->internal; | |
9688b443 | 43 | max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line |
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44 | + ctx->samples_per_line / 2; |
45 | outsize = length_in / ctx->unitsize * ctx->num_enabled_probes | |
46 | / ctx->samples_per_line * max_linelen + 512; | |
47 | ||
48 | if (!(outbuf = calloc(1, outsize + 1))) | |
e46b8fb1 | 49 | return SR_ERR_MALLOC; |
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50 | |
51 | outbuf[0] = '\0'; | |
52 | if (ctx->header) { | |
53 | /* The header is still here, this must be the first packet. */ | |
54 | strncpy(outbuf, ctx->header, outsize); | |
55 | free(ctx->header); | |
56 | ctx->header = NULL; | |
57 | } | |
58 | ||
59 | ctx->line_offset = 0; | |
60 | for (offset = 0; offset <= length_in - ctx->unitsize; | |
61 | offset += ctx->unitsize) { | |
62 | memcpy(&sample, data_in + offset, ctx->unitsize); | |
63 | for (p = 0; p < ctx->num_enabled_probes; p++) { | |
64 | ctx->linevalues[p] <<= 1; | |
65 | if (sample & ((uint64_t) 1 << p)) | |
66 | ctx->linevalues[p] |= 1; | |
67 | sprintf(ctx->linebuf + (p * ctx->linebuf_len) + | |
68 | ctx->line_offset, "%.2x", ctx->linevalues[p]); | |
69 | } | |
70 | ctx->spl_cnt++; | |
71 | ||
72 | /* Add a space after every complete hex byte. */ | |
73 | if ((ctx->spl_cnt & 7) == 0) { | |
74 | for (p = 0; p < ctx->num_enabled_probes; p++) | |
75 | ctx->linebuf[p * ctx->linebuf_len + | |
76 | ctx->line_offset + 2] = ' '; | |
77 | ctx->line_offset += 3; | |
78 | } | |
79 | ||
80 | /* End of line. */ | |
81 | if (ctx->spl_cnt >= ctx->samples_per_line) { | |
82 | flush_linebufs(ctx, outbuf); | |
83 | ctx->line_offset = ctx->spl_cnt = 0; | |
84 | } | |
85 | } | |
86 | ||
87 | *data_out = outbuf; | |
88 | *length_out = strlen(outbuf); | |
89 | ||
e46b8fb1 | 90 | return SR_OK; |
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91 | } |
92 | ||
93 | ||
f50f3f40 | 94 | struct sr_output_format output_text_hex = { |
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95 | "hex", |
96 | "Hexadecimal (takes argument, default 192)", | |
5a2326a7 | 97 | SR_DF_LOGIC, |
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98 | init_hex, |
99 | data_hex, | |
100 | event, | |
101 | }; | |
102 |