1 files changed, 45 insertions, 0 deletions
diff --git a/gsm-receiver/src/python/capture.sh b/gsm-receiver/src/python/capture.sh
new file mode 100755
index 0000000..ef205d8
--- /dev/null
+++ b/gsm-receiver/src/python/capture.sh
@@ -0,0 +1,45 @@
+#! /bin/sh
+
+if [ $1"x" = x ]; then
+	echo "./capture.sh <freq> [duration==10] [decim==112] [gain==52]"
+	echo "Example: ./capture.sh 940.4M"
+	exit 1
+fi
+FREQ=$1
+
+DURATION=$2
+if [ $2"x" = x ]; then
+	DURATION=10
+fi
+DECIM=$3
+if [ $3"x" = x ]; then
+	DECIM=112
+fi
+
+GAIN=$4
+if [ $4"x" = x ]; then
+	GAIN=52
+fi
+
+
+USRP_PROG=usrp_rx_cfile.py
+while :; do
+	which "$USRP_PROG"
+	if [ $? -eq 0 ]; then
+		break
+	fi
+	USRP_PROG=/usr/share/gnuradio/usrp/usrp_rx_cfile.py
+	which "$USRP_PROG"
+	if [ $? -eq 0 ]; then
+		break
+	fi
+
+	echo "ERROR: usrp_rx_cfile.py not found. Make sure it's in your PATH!"
+	exit 1
+done
+
+FILE="capture_${FREQ}_${DECIM}.cfile"
+samples=`expr 64000000 / $DECIM '*' $DURATION`
+echo "Capturing for $DURATION seconds to $FILE ($samples samples)"
+$USRP_PROG -g $GAIN -d "$DECIM" -f "$FREQ" -N $samples $FILE
+