+++ /dev/null
-/*
- * This file is part of the libsigrok project.
- *
- * Copyright (C) 2013 Bert Vermeulen <bert@biot.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include "libsigrok.h"
-#include "libsigrok-internal.h"
-
-#define LOG_PREFIX "input/binary"
-
-#define CHUNKSIZE (512 * 1024)
-#define DEFAULT_NUM_CHANNELS 8
-
-struct context {
- uint64_t samplerate;
-};
-
-static int format_match(const char *filename)
-{
- (void)filename;
-
- /* This module will handle anything you throw at it. */
- return TRUE;
-}
-
-static int init(struct sr_input *in, const char *filename)
-{
- struct sr_channel *ch;
- int num_channels, i;
- char name[SR_MAX_CHANNELNAME_LEN + 1];
- char *param;
- struct context *ctx;
-
- (void)filename;
-
- if (!(ctx = g_try_malloc0(sizeof(*ctx)))) {
- sr_err("Input format context malloc failed.");
- return SR_ERR_MALLOC;
- }
-
- num_channels = DEFAULT_NUM_CHANNELS;
- ctx->samplerate = 0;
-
- if (in->param) {
- param = g_hash_table_lookup(in->param, "numchannels");
- if (param) {
- num_channels = strtoul(param, NULL, 10);
- if (num_channels < 1)
- return SR_ERR;
- }
-
- param = g_hash_table_lookup(in->param, "samplerate");
- if (param) {
- if (sr_parse_sizestring(param, &ctx->samplerate) != SR_OK)
- return SR_ERR;
- }
- }
-
- /* Create a virtual device. */
- in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
- in->internal = ctx;
-
- for (i = 0; i < num_channels; i++) {
- snprintf(name, SR_MAX_CHANNELNAME_LEN, "%d", i);
- /* TODO: Check return value. */
- if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, name)))
- return SR_ERR;
- in->sdi->channels = g_slist_append(in->sdi->channels, ch);
- }
-
- return SR_OK;
-}
-
-static int loadfile(struct sr_input *in, const char *filename)
-{
- struct sr_datafeed_packet packet;
- struct sr_datafeed_meta meta;
- struct sr_datafeed_logic logic;
- struct sr_config *src;
- unsigned char buffer[CHUNKSIZE];
- int fd, size, num_channels;
- struct context *ctx;
-
- ctx = in->internal;
-
- if ((fd = open(filename, O_RDONLY)) == -1)
- return SR_ERR;
-
- num_channels = g_slist_length(in->sdi->channels);
-
- /* Send header packet to the session bus. */
- std_session_send_df_header(in->sdi, LOG_PREFIX);
-
- if (ctx->samplerate) {
- packet.type = SR_DF_META;
- packet.payload = &meta;
- src = sr_config_new(SR_CONF_SAMPLERATE,
- g_variant_new_uint64(ctx->samplerate));
- meta.config = g_slist_append(NULL, src);
- sr_session_send(in->sdi, &packet);
- sr_config_free(src);
- }
-
- /* Chop up the input file into chunks & send it to the session bus. */
- packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
- logic.unitsize = (num_channels + 7) / 8;
- logic.data = buffer;
- while ((size = read(fd, buffer, CHUNKSIZE)) > 0) {
- logic.length = size;
- sr_session_send(in->sdi, &packet);
- }
- close(fd);
-
- /* Send end packet to the session bus. */
- packet.type = SR_DF_END;
- sr_session_send(in->sdi, &packet);
-
- g_free(ctx);
- in->internal = NULL;
-
- return SR_OK;
-}
-
-SR_PRIV struct sr_input_format input_binary = {
- .id = "binary",
- .description = "Raw binary",
- .format_match = format_match,
- .init = init,
- .loadfile = loadfile,
-};