diff --git a/app/Makefile b/app/Makefile
index 189c248..3ea6f49 100644
--- a/app/Makefile
+++ b/app/Makefile
@@ -1,7 +1,7 @@
 all: testrpitx 
 
-CFLAGS	= -Wall -g -O3 -Wno-unused-variable 
-LDFLAGS	= -lm -lrt -lpthread 
+CFLAGS	= -Wall -g -O3 -Wno-unused-variable -I /opt/vc/include 
+LDFLAGS	= -lm -lrt -lpthread -L/opt/vc/lib -lbcm_host
 CCP = g++ 
 CC = gcc 
 
diff --git a/app/testrpitx.cpp b/app/testrpitx.cpp
index 3a81b9b..95edf55 100644
--- a/app/testrpitx.cpp
+++ b/app/testrpitx.cpp
@@ -701,6 +701,13 @@ void SimpleTestAtv(uint64_t Freq)
 	}
 }
 
+void info(void)
+{
+	clkgpio clk;
+	clk.print_clock_tree();
+
+}
+
 static void
 terminate(int num)
 {
@@ -723,7 +730,7 @@ int main(int argc, char *argv[])
 		sa.sa_handler = terminate;
 		sigaction(i, &sa, NULL);
 	}
-	dbg_setlevel(0);
+	dbg_setlevel(1);
 	//SimpleTest(Freq);
 	//SimpleTestbpsk(Freq);
 	//SimpleTestFileIQ(Freq);
@@ -733,6 +740,9 @@ int main(int argc, char *argv[])
 	//SimpleTestBurstFsk(Freq);
 	//SimpleTestOOKTiming(Freq);
 	//AlectoOOK(Freq);
-	RfSwitchOOK(Freq);
+	//RfSwitchOOK(Freq);
+	//SimpleTestbpsk(Freq);
+
 	//SimpleTestAtv(Freq);
+	info();
 }
diff --git a/src/Makefile b/src/Makefile
index 4cc2324..012c34e 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -1,6 +1,6 @@
 CFLAGS = -Wall -O3 -Wno-unused-variable
-CXXFLAGS = -std=c++11 -Wall -O3 -Wno-unused-variable
-LDFLAGS = -lm -lrt -lpthread
+CXXFLAGS = -std=c++11 -Wall -O3 -Wno-unused-variable -I /opt/vc/include 
+LDFLAGS = -lm -lrt -lpthread -L/opt/vc/lib -lbcm_host
 CCP = c++
 CC = cc
 
diff --git a/src/gpio.cpp b/src/gpio.cpp
index 3ae6c45..7156233 100644
--- a/src/gpio.cpp
+++ b/src/gpio.cpp
@@ -25,6 +25,8 @@ extern "C" {
 #include <sys/timex.h>
 #include <math.h>
 #include "util.h"
+#include <bcm_host.h>
+//#include "/opt/vc/include/bcm_host.h"
 
 gpio::gpio(uint32_t base, uint32_t len)
 {
@@ -42,7 +44,9 @@ gpio::~gpio()
 uint32_t gpio::GetPeripheralBase()
 {
 	RASPBERRY_PI_INFO_T info;
-	uint32_t BCM2708_PERI_BASE = 0;
+	uint32_t BCM2708_PERI_BASE =  bcm_host_get_peripheral_address();
+	dbg_printf(1,"Peri Base = %x\n",BCM2708_PERI_BASE);
+	/*
 	if (getRaspberryPiInformation(&info) > 0)
 	{
 		if (info.peripheralBase == RPI_BROADCOM_2835_PERIPHERAL_BASE)
@@ -54,7 +58,7 @@ uint32_t gpio::GetPeripheralBase()
 		{
 			BCM2708_PERI_BASE = info.peripheralBase;
 		}
-	}
+	}*/
 	return BCM2708_PERI_BASE;
 }