2 * This file is part of the sigrok project.
4 * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
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.
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.
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/>.
21 #include <sys/types.h>
27 #include "sigrok-internal.h"
29 #define CHUNKSIZE (512 * 1024)
30 #define DEFAULT_NUM_PROBES 8
32 static int format_match(const char *filename)
34 /* suppress compiler warning */
37 /* this module will handle anything you throw at it */
41 static int init(struct sr_input *in)
44 char name[SR_MAX_PROBENAME_LEN + 1];
46 if (in->param && in->param[0]) {
47 num_probes = strtoul(in->param, NULL, 10);
51 num_probes = DEFAULT_NUM_PROBES;
54 /* Create a virtual device. */
55 in->vdev = sr_dev_new(NULL, 0);
57 for (i = 0; i < num_probes; i++) {
58 snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
59 /* TODO: Check return value. */
60 sr_dev_probe_add(in->vdev, name);
66 static int loadfile(struct sr_input *in, const char *filename)
68 struct sr_datafeed_header header;
69 struct sr_datafeed_packet packet;
70 struct sr_datafeed_meta_logic meta;
71 struct sr_datafeed_logic logic;
72 unsigned char buffer[CHUNKSIZE];
73 int fd, size, num_probes;
75 if ((fd = open(filename, O_RDONLY)) == -1)
78 num_probes = g_slist_length(in->vdev->probes);
81 header.feed_version = 1;
82 gettimeofday(&header.starttime, NULL);
83 packet.type = SR_DF_HEADER;
84 packet.payload = &header;
85 sr_session_send(in->vdev, &packet);
87 /* Send metadata about the SR_DF_LOGIC packets to come. */
88 packet.type = SR_DF_META_LOGIC;
89 packet.payload = &meta;
91 meta.num_probes = num_probes;
92 sr_session_send(in->vdev, &packet);
94 /* chop up the input file into chunks and feed it into the session bus */
95 packet.type = SR_DF_LOGIC;
96 packet.payload = &logic;
97 logic.unitsize = (num_probes + 7) / 8;
99 while ((size = read(fd, buffer, CHUNKSIZE)) > 0) {
101 sr_session_send(in->vdev, &packet);
106 packet.type = SR_DF_END;
107 sr_session_send(in->vdev, &packet);
112 SR_PRIV struct sr_input_format input_binary = {
114 .description = "Raw binary",
115 .format_match = format_match,
117 .loadfile = loadfile,