Merge branch 'master' of git@codechina.csdn.net:coloreaglestdio/qtcpp_demo.git

sdr/uhd_io.cpp

@@ -41,14 +41,14 @@ int main(int /*argc*/, char * /*argv*/[])
 	//10MHz
 	double sprate		= 2500000;
 	//交通广播 FM 90.8
-	double rx_freq		= 103.7e6;
+	double rx_freq		= 90.8e6;
 	double rx_sprate	= sprate;
 	double rx_gain		= 55.0;
 	bool   rx_agc		= false;
 	double rx_bw		= 200000;
 	size_t rx_channel	= 0;
-	//转发到最底部 87.5
-	double tx_freq		= 87.5e6;
+	//转发到106
+	double tx_freq		= 106e6;
 	double tx_sprate	= sprate;
 	double tx_gain		= 70;
 	double tx_bw		= 200000;
@@ -241,7 +241,7 @@ int main(int /*argc*/, char * /*argv*/[])
 					[&]()->void
 					{
 						try{
-							::sleep(1);
+							//::sleep(1);
 							while (1) {
 								if (stop_signal_called) break;
 								std::vector<float> tx_data;