2 * This file is part of the sigrok project.
4 * Copyright (C) 2011 Bert Vermeulen <bert@biot.com>
5 * Copyright (C) 2011 HÃ¥vard Espeland <gus@ping.uio.no>
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.
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.
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/>.
28 int init_hex(struct sr_output *o)
30 return init(o, DEFAULT_BPL_HEX, MODE_HEX);
33 int data_hex(struct sr_output *o, const char *data_in, uint64_t length_in,
34 char **data_out, uint64_t *length_out)
37 unsigned int outsize, offset, p;
43 max_linelen = SR_MAX_PROBENAME_LEN + 3 + ctx->samples_per_line
44 + ctx->samples_per_line / 2;
45 outsize = length_in / ctx->unitsize * ctx->num_enabled_probes
46 / ctx->samples_per_line * max_linelen + 512;
48 if (!(outbuf = calloc(1, outsize + 1)))
53 /* The header is still here, this must be the first packet. */
54 strncpy(outbuf, ctx->header, outsize);
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]);
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;
81 if (ctx->spl_cnt >= ctx->samples_per_line) {
82 flush_linebufs(ctx, outbuf);
83 ctx->line_offset = ctx->spl_cnt = 0;
88 *length_out = strlen(outbuf);
94 struct sr_output_format output_text_hex = {
96 "Hexadecimal (takes argument, default 192)",