]> sigrok.org Git - libsigrok.git/blobdiff - src/output/vcd.c
Don't reference SR_PACKAGE_VERSION_STRING directly in output modules.
[libsigrok.git] / src / output / vcd.c
index 9d5ca8807a41bf5668fb33a3bb5b92e420d5c496..561b3ba059fc914583b85c0b01901a5490f62e7f 100644 (file)
  * 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, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <stdlib.h>
 #include <string.h>
 #include <glib.h>
-#include "config.h" /* Needed for PACKAGE and others. */
-#include "libsigrok.h"
+#include <libsigrok/libsigrok.h>
 #include "libsigrok-internal.h"
 
 #define LOG_PREFIX "output/vcd"
 
 struct context {
        int num_enabled_channels;
-       GArray *channelindices;
        uint8_t *prevsample;
        gboolean header_done;
        int period;
@@ -39,9 +37,6 @@ struct context {
        uint64_t samplecount;
 };
 
-static const char *const vcd_header_comment =
-       "$comment\n  Acquisition with %d/%d channels at %s\n$end\n";
-
 static int init(struct sr_output *o, GHashTable *options)
 {
        struct context *ctx;
@@ -101,13 +96,13 @@ static GString *gen_header(const struct sr_output *o)
        /* timestamp */
        t = time(NULL);
        timestamp = g_strdup(ctime(&t));
-       timestamp[strlen(timestamp)-1] = 0;
+       timestamp[strlen(timestamp) - 1] = 0;
        g_string_printf(header, "$date %s $end\n", timestamp);
        g_free(timestamp);
 
        /* generator */
        g_string_append_printf(header, "$version %s %s $end\n",
-                       PACKAGE, PACKAGE_VERSION);
+                       PACKAGE_NAME, sr_package_version_string_get());
        g_string_append_printf(header, "$comment\n  Acquisition with "
                        "%d/%d channels", ctx->num_enabled_channels, num_channels);
 
@@ -133,15 +128,15 @@ static GString *gen_header(const struct sr_output *o)
                ctx->period = SR_MHZ(1);
        else
                ctx->period = SR_KHZ(1);
-       frequency_s = sr_period_string(ctx->period);
+       frequency_s = sr_period_string(1, ctx->period);
        g_string_append_printf(header, "$timescale %s $end\n", frequency_s);
        g_free(frequency_s);
 
        /* scope */
-       g_string_append_printf(header, "$scope module %s $end\n", PACKAGE);
+       g_string_append_printf(header, "$scope module %s $end\n", PACKAGE_NAME);
 
        /* Wires / channels */
-       for (i = 0, l = o->sdi->channels; l; l = l->next, i++) {
+       for (i = 0, l = o->sdi->channels; l; l = l->next) {
                ch = l->data;
                if (ch->type != SR_CHANNEL_LOGIC)
                        continue;
@@ -149,6 +144,7 @@ static GString *gen_header(const struct sr_output *o)
                        continue;
                g_string_append_printf(header, "$var wire 1 %c %s $end\n",
                                (char)('!' + i), ch->name);
+               i++;
        }
 
        g_string_append(header, "$upscope $end\n$enddefinitions $end\n");
@@ -204,7 +200,16 @@ static int receive(const struct sr_output *o, const struct sr_datafeed_packet *p
                        timestamp_written = FALSE;
 
                        for (p = 0; p < ctx->num_enabled_channels; p++) {
-                               index = ctx->channel_index[p];
+                               /*
+                                * TODO Check whether the mapping from
+                                * data image positions to channel numbers
+                                * is required. Experiments suggest that
+                                * the data image "is dense", and packs
+                                * bits of enabled channels, and leaves no
+                                * room for positions of disabled channels.
+                                */
+                               /* index = ctx->channel_index[p]; */
+                               index = p;
 
                                curbit = ((unsigned)sample[index / 8]
                                                >> (index % 8)) & 1;
@@ -265,7 +270,9 @@ static int cleanup(struct sr_output *o)
 struct sr_output_module output_vcd = {
        .id = "vcd",
        .name = "VCD",
-       .desc = "Value Change Dump",
+       .desc = "Value Change Dump data",
+       .exts = (const char*[]){"vcd", NULL},
+       .flags = 0,
        .options = NULL,
        .init = init,
        .receive = receive,