gsmstack: add new unfinished GSM burst/channel demultiplex

This is some unfinished work on a new codebase for 'proper'
demultiplex of all the various physical and logical channel
types.

Basically this includes everything needed to get from the
differential-decoded bursts up to the MAC blocks that can
be passed up to layer 2.

1 files changed, 31 insertions, 0 deletions

diff --git a/gsmstack/gsmstack.c b/gsmstack/gsmstack.c
new file mode 100644
index 0000000..1690d15
--- /dev/null
+++ b/gsmstack/gsmstack.c
@@ -0,0 +1,31 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <malloc.h>
+#include <errno.h>
+
+#include "gsmstack.h"
+
+
+struct gsm_rf_chan *gsm_init_rfchan(unsigned int arfcn)
+{
+	struct gsm_rf_chan *rf;
+	int i;
+
+	rf = malloc(sizeof(*rf));
+	if (!rf)
+		return NULL;
+	memset(rf, 0, sizeof(*rf));
+
+	rf->arfcn = arfcn;
+
+	for (i = 0; i < NR_TIMESLOTS; i++) {
+		struct gsm_phys_chan *pchan;
+
+		pchan = rf->phys_chan[i];
+		pchan->timeslot = i;
+		pchan->rf_chan = rf;
+	}
+	
+	return rf;
+}