/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
- * Copyright (C) 2010-2012 Bert Vermeulen <bert@biot.com>
+ * 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
#include "libsigrok.h"
#include "libsigrok-internal.h"
+#define LOG_PREFIX "input/binary"
+
#define CHUNKSIZE (512 * 1024)
-#define DEFAULT_NUM_PROBES 8
+#define DEFAULT_NUM_CHANNELS 8
struct context {
uint64_t samplerate;
{
(void)filename;
- /* this module will handle anything you throw at it */
+ /* This module will handle anything you throw at it. */
return TRUE;
}
-static int init(struct sr_input *in)
+static int init(struct sr_input *in, const char *filename)
{
- struct sr_probe *probe;
- int num_probes, i;
- char name[SR_MAX_PROBENAME_LEN + 1];
+ 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("binary in: %s: ctx malloc failed", __func__);
+ sr_err("Input format context malloc failed.");
return SR_ERR_MALLOC;
}
- num_probes = DEFAULT_NUM_PROBES;
+ num_channels = DEFAULT_NUM_CHANNELS;
ctx->samplerate = 0;
- if(in->param) {
- param = g_hash_table_lookup(in->param, "numprobes");
+ if (in->param) {
+ param = g_hash_table_lookup(in->param, "numchannels");
if (param) {
- num_probes = strtoul(param, NULL, 10);
- if (num_probes < 1)
+ num_channels = strtoul(param, NULL, 10);
+ if (num_channels < 1)
return SR_ERR;
}
in->sdi = sr_dev_inst_new(0, SR_ST_ACTIVE, NULL, NULL, NULL);
in->internal = ctx;
- for (i = 0; i < num_probes; i++) {
- snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
+ for (i = 0; i < num_channels; i++) {
+ snprintf(name, SR_MAX_CHANNELNAME_LEN, "%d", i);
/* TODO: Check return value. */
- if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
+ if (!(ch = sr_channel_new(i, SR_CHANNEL_LOGIC, TRUE, name)))
return SR_ERR;
- in->sdi->probes = g_slist_append(in->sdi->probes, probe);
+ 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_header header;
struct sr_datafeed_packet packet;
- struct sr_datafeed_meta_logic meta;
+ struct sr_datafeed_meta meta;
struct sr_datafeed_logic logic;
+ struct sr_config *src;
unsigned char buffer[CHUNKSIZE];
- int fd, size, num_probes;
+ int fd, size, num_channels;
struct context *ctx;
ctx = in->internal;
if ((fd = open(filename, O_RDONLY)) == -1)
return SR_ERR;
- num_probes = g_slist_length(in->sdi->probes);
+ num_channels = g_slist_length(in->sdi->channels);
- /* send header */
- header.feed_version = 1;
- gettimeofday(&header.starttime, NULL);
- packet.type = SR_DF_HEADER;
- packet.payload = &header;
- sr_session_send(in->sdi, &packet);
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(in->sdi, LOG_PREFIX);
- /* Send metadata about the SR_DF_LOGIC packets to come. */
- packet.type = SR_DF_META_LOGIC;
- packet.payload = &meta;
- meta.samplerate = ctx->samplerate;
- meta.num_probes = num_probes;
- sr_session_send(in->sdi, &packet);
+ 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 and feed it into the session bus */
+ /* Chop up the input file into chunks & send it to the session bus. */
packet.type = SR_DF_LOGIC;
packet.payload = &logic;
- logic.unitsize = (num_probes + 7) / 8;
+ logic.unitsize = (num_channels + 7) / 8;
logic.data = buffer;
while ((size = read(fd, buffer, CHUNKSIZE)) > 0) {
logic.length = size;
}
close(fd);
- /* end of stream */
+ /* Send end packet to the session bus. */
packet.type = SR_DF_END;
sr_session_send(in->sdi, &packet);