sr_err("Unexpected EOF, read started at %ld.", startpos);
return FALSE;
}
-
+
if (mode == 'W' && g_ascii_isspace(c))
return TRUE;
-
+
if (mode == 'N' && !g_ascii_isspace(c)) {
ungetc(c, file);
return TRUE;
}
-
+
if (mode == '$') {
prev[0] = prev[1]; prev[1] = prev[2]; prev[2] = prev[3]; prev[3] = c;
if (prev[0] == '$' && prev[1] == 'e' && prev[2] == 'n' && prev[3] == 'd') {
if (dest != NULL)
g_string_truncate(dest, dest->len - 3);
-
+
return TRUE;
}
}
{
gboolean status;
GString *sname, *scontents;
-
+
/* Skip any initial white-space */
if (!read_until(file, NULL, 'N')) return FALSE;
-
+
/* Section tag should start with $. */
if (fgetc(file) != '$') {
sr_err("Expected $ at beginning of section.");
return FALSE;
}
-
- /* Read the section tag */
+
+ /* Read the section tag */
sname = g_string_sized_new(32);
status = read_until(file, sname, 'W');
-
+
/* Skip whitespace before content */
status = status && read_until(file, NULL, 'N');
-
+
/* Read the content */
scontents = g_string_sized_new(128);
status = status && read_until(file, scontents, '$');
g_strchomp(scontents->str);
- /* Release strings if status is FALSE, return them if status is TRUE */
+ /* Release strings if status is FALSE, return them if status is TRUE */
*name = g_string_free(sname, !status);
*contents = g_string_free(scontents, !status);
return status;
*dest++ = *src;
src++;
}
-
+
*dest = NULL;
}
while (parse_section(file, &name, &contents)) {
sr_dbg("Section '%s', contents '%s'.", name, contents);
-
+
if (g_strcmp0(name, "enddefinitions") == 0) {
status = TRUE;
break;
sr_warn("Inexact rounding of samplerate, %" PRIu64 " / %" PRIu64 " to %" PRIu64 " Hz.",
q, p, ctx->samplerate);
}
-
+
sr_dbg("Samplerate: %" PRIu64, ctx->samplerate);
} else {
sr_err("Parsing timescale failed.");
/* Format: $var type size identifier reference $end */
gchar **parts = g_strsplit_set(contents, " \r\n\t", 0);
remove_empty_parts(parts);
-
+
if (g_strv_length(parts) != 4)
sr_warn("$var section should have 4 items");
else if (g_strcmp0(parts[0], "reg") != 0 && g_strcmp0(parts[0], "wire") != 0)
ctx->probes = g_slist_append(ctx->probes, probe);
ctx->probecount++;
}
-
+
g_strfreev(parts);
}
-
+
g_free(name); name = NULL;
g_free(contents); contents = NULL;
}
-
+
g_free(name);
g_free(contents);
-
+
return status;
}
FILE *file;
gchar *name = NULL, *contents = NULL;
gboolean status;
-
+
file = fopen(filename, "r");
if (file == NULL)
return FALSE;
*/
status = parse_section(file, &name, &contents);
status = status && (*name != '\0');
-
+
g_free(name);
g_free(contents);
fclose(file);
-
+
return status;
}
return SR_ERR;
}
}
-
+
param = g_hash_table_lookup(in->param, "downsample");
if (param) {
ctx->downsample = strtoul(param, NULL, 10);
if (ctx->downsample < 1)
ctx->downsample = 1;
}
-
+
param = g_hash_table_lookup(in->param, "compress");
if (param)
ctx->compress = strtoul(param, NULL, 10);
-
+
param = g_hash_table_lookup(in->param, "skip");
if (param)
ctx->skip = strtoul(param, NULL, 10) / ctx->downsample;
}
-
+
/* Maximum number of probes to parse from the VCD */
ctx->maxprobes = num_probes;
for (i = 0; i < num_probes; i++) {
snprintf(name, SR_MAX_PROBENAME_LEN, "%d", i);
-
+
if (!(probe = sr_probe_new(i, SR_PROBE_LOGIC, TRUE, name))) {
release_context(ctx);
return SR_ERR;
}
-
+
in->sdi->probes = g_slist_append(in->sdi->probes, probe);
}
uint64_t buffer[CHUNKSIZE];
uint64_t i;
unsigned chunksize = CHUNKSIZE;
-
+
if (count < chunksize)
chunksize = count;
for (i = 0; i < chunksize; i++)
buffer[i] = sample;
-
+
packet.type = SR_DF_LOGIC;
- packet.payload = &logic;
+ packet.payload = &logic;
logic.unitsize = sizeof(uint64_t);
logic.data = buffer;
-
+
while (count) {
if (count < chunksize)
chunksize = count;
-
+
logic.length = sizeof(uint64_t) * chunksize;
-
+
sr_session_send(sdi, &packet);
count -= chunksize;
}
static void parse_contents(FILE *file, const struct sr_dev_inst *sdi, struct context *ctx)
{
GString *token = g_string_sized_new(32);
-
+
uint64_t prev_timestamp = 0;
uint64_t prev_values = 0;
-
+
/* Read one space-delimited token at a time. */
while (read_until(file, NULL, 'N') && read_until(file, token, 'W')) {
if (token->str[0] == '#' && g_ascii_isdigit(token->str[1])) {
/* Numeric value beginning with # is a new timestamp value */
uint64_t timestamp;
timestamp = strtoull(token->str + 1, NULL, 10);
-
+
if (ctx->downsample > 1)
timestamp /= ctx->downsample;
-
+
/*
* Skip < 0 => skip until first timestamp.
* Skip = 0 => don't skip
/* Compress long idle periods */
prev_timestamp = timestamp - ctx->compress;
}
-
+
sr_dbg("New timestamp: %" PRIu64, timestamp);
-
+
/* Generate samples from prev_timestamp up to timestamp - 1. */
send_samples(sdi, prev_values, timestamp - prev_timestamp);
prev_timestamp = timestamp;
struct probe *probe;
bit = (token->str[0] == '1');
-
+
g_string_erase(token, 0, 1);
if (token->len == 0) {
/* There was a space between value and identifier.
read_until(file, NULL, 'N');
read_until(file, token, 'W');
}
-
+
for (i = 0, l = ctx->probes; i < ctx->probecount && l; i++, l = l->next) {
probe = l->data;
/* Found our probe */
if (bit)
- prev_values |= (1 << i);
+ prev_values |= (uint64_t)1 << i;
else
- prev_values &= ~(1 << i);
-
+ prev_values &= ~((uint64_t)1 << i);
+
break;
}
}
-
+
if (i == ctx->probecount)
sr_dbg("Did not find probe for identifier '%s'.", token->str);
} else {
sr_warn("Skipping unknown token '%s'.", token->str);
}
-
+
g_string_truncate(token, 0);
}
-
+
g_string_free(token, TRUE);
}
/* Parse the contents of the VCD file */
parse_contents(file, in->sdi, ctx);
-
+
/* Send end packet to the session bus. */
packet.type = SR_DF_END;
sr_session_send(in->sdi, &packet);
projects / libsigrok.git / commitdiff