/*
- * This file is part of the sigrok project.
+ * This file is part of the libsigrok project.
*
- * Copyright (C) 2010 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 <fcntl.h>
#include <unistd.h>
#include <sys/time.h>
-#include "sigrok.h"
+#include "libsigrok.h"
+#include "libsigrok-internal.h"
+
+/* Message logging helpers with subsystem-specific prefix string. */
+#define LOG_PREFIX "input/binary: "
+#define sr_log(l, s, args...) sr_log(l, LOG_PREFIX s, ## args)
+#define sr_spew(s, args...) sr_spew(LOG_PREFIX s, ## args)
+#define sr_dbg(s, args...) sr_dbg(LOG_PREFIX s, ## args)
+#define sr_info(s, args...) sr_info(LOG_PREFIX s, ## args)
+#define sr_warn(s, args...) sr_warn(LOG_PREFIX s, ## args)
+#define sr_err(s, args...) sr_err(LOG_PREFIX s, ## args)
#define CHUNKSIZE (512 * 1024)
#define DEFAULT_NUM_PROBES 8
+struct context {
+ uint64_t samplerate;
+};
+
static int format_match(const char *filename)
{
- /* suppress compiler warning */
(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];
+ char *param;
+ struct context *ctx;
- if (in->param && in->param[0]) {
- num_probes = strtoul(in->param, NULL, 10);
- if (num_probes < 1)
- return SR_ERR;
- } else {
- num_probes = DEFAULT_NUM_PROBES;
+ (void)filename;
+
+ if (!(ctx = g_try_malloc0(sizeof(*ctx)))) {
+ sr_err("Input format context malloc failed.");
+ return SR_ERR_MALLOC;
+ }
+
+ num_probes = DEFAULT_NUM_PROBES;
+ ctx->samplerate = 0;
+
+ if (in->param) {
+ param = g_hash_table_lookup(in->param, "numprobes");
+ if (param) {
+ num_probes = strtoul(param, NULL, 10);
+ if (num_probes < 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->vdevice = sr_dev_new(NULL, 0);
+ 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);
/* TODO: Check return value. */
- sr_dev_probe_add(in->vdevice, name);
+ if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name)))
+ return SR_ERR;
+ in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
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 meta;
struct sr_datafeed_logic logic;
+ struct sr_config *src;
unsigned char buffer[CHUNKSIZE];
int fd, size, num_probes;
+ struct context *ctx;
+
+ ctx = in->internal;
if ((fd = open(filename, O_RDONLY)) == -1)
return SR_ERR;
- num_probes = g_slist_length(in->vdevice->probes);
+ num_probes = g_slist_length(in->sdi->probes);
- /* send header */
- header.feed_version = 1;
- header.num_logic_probes = num_probes;
- header.samplerate = 0;
- gettimeofday(&header.starttime, NULL);
- packet.type = SR_DF_HEADER;
- packet.payload = &header;
- sr_session_bus(in->vdevice, &packet);
+ /* Send header packet to the session bus. */
+ std_session_send_df_header(in->sdi, LOG_PREFIX);
- /* chop up the input file into chunks and feed it into the session bus */
+ 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_probes + 7) / 8;
logic.data = buffer;
while ((size = read(fd, buffer, CHUNKSIZE)) > 0) {
logic.length = size;
- sr_session_bus(in->vdevice, &packet);
+ sr_session_send(in->sdi, &packet);
}
close(fd);
- /* end of stream */
+ /* Send end packet to the session bus. */
packet.type = SR_DF_END;
- sr_session_bus(in->vdevice, &packet);
+ sr_session_send(in->sdi, &packet);
+
+ g_free(ctx);
+ in->internal = NULL;
return SR_OK;
}