Add raw binary output format.

[libsigrok.git] / output / output_binary.c

diff --git a/output/output_binary.c b/output/output_binary.c
new file mode 100644 (file)
index 0000000..38338e3
--- /dev/null
+++ b/output/output_binary.c
@@ -0,0 +1,90 @@
+/*
+ * This file is part of the sigrok project.
+ *
+ * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <glib.h>
+#include <sigrok.h>
+#include "config.h"
+
+static int init(struct output *o)
+{
+       /* Prevent compiler warnings. */
+       o = o;
+
+       /* Nothing so far, but we might want to add stuff here later. */
+       return 0;
+}
+
+static int event(struct output *o, int event_type, char **data_out,
+                uint64_t *length_out)
+{
+       char *outbuf;
+       int outlen = 1; /* FIXME */
+
+       /* Prevent compiler warnings. */
+       o = o;
+       event_type = event_type;
+
+       switch(event_type) {
+       case DF_TRIGGER:
+               break;
+       case DF_END:
+               outbuf = calloc(1, outlen); /* FIXME */
+               if (outbuf == NULL)
+                       return SIGROK_ERR_MALLOC;
+               *data_out = outbuf;
+               *length_out = outlen;
+               break;
+       }
+
+       return SIGROK_OK;
+}
+
+static int data(struct output *o, char *data_in, uint64_t length_in,
+               char **data_out, uint64_t *length_out)
+{
+       uint64_t outsize;
+       char *outbuf;
+
+       /* Prevent compiler warnings. */
+       o = o;
+
+       outsize = length_in;
+       outbuf = calloc(1, outsize);
+       if (outbuf == NULL)
+               return SIGROK_ERR_MALLOC;
+
+       /* TODO: Are disabled probes handled correctly? */
+       memcpy(outbuf, data_in, length_in);
+
+       *data_out = outbuf;
+       *length_out = outsize;
+
+       return SIGROK_OK;
+}
+
+struct output_format output_binary = {
+       "binary",
+       "Raw binary",
+       init,
+       data,
+       event,
+};