Add Gain Name PGA for B210

sdr_deepdetect/sdd_emitter/main.cpp

-#include <stdio.h>
+#include <stdio.h>
 #include <uhd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -26,6 +26,7 @@ int runSend()
 	int return_code = EXIT_SUCCESS;
 	char dev_args[] = "";
 	char error_string[4096];
+	const char * gainName = "PGA";
 	//Sample rate in Hz
 	double sprate		=  SIGRATE ;
 	double tx_freq		= 200.0e6;
@@ -85,9 +86,9 @@ int runSend()
 	fprintf(stderr, "Actual TX Rate: %f...\n\n", tx_sprate);
 	// Set gain
 	fprintf(stderr, "Setting TX Gain: %f db...\n", tx_gain);
-	UHD_DO(uhd_usrp_set_tx_gain(usrp, tx_gain, tx_channel[0], ""));
+	UHD_DO(uhd_usrp_set_tx_gain(usrp, tx_gain, tx_channel[0], gainName));
 	// See what gain actually is
-	UHD_DO(uhd_usrp_get_tx_gain(usrp, tx_channel[0], "", &tx_gain));
+	UHD_DO(uhd_usrp_get_tx_gain(usrp, tx_channel[0], gainName, &tx_gain));
 	fprintf(stderr, "Actual TX Gain: %f...\n", tx_gain);
 	// Set frequency
 	fprintf(stderr, "Setting TX frequency: %f MHz...\n", tx_freq / 1e6);

sdr_deepdetect/sdd_reciever/main.cpp

-#include <stdio.h>
+#include <stdio.h>
 #include <uhd.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -37,9 +37,12 @@ int runRecieve()
 	int return_code = EXIT_SUCCESS;
 	//Need soapyuhd soapysdr soapyplutosdr soapyosmo soapy_power
 	//要用libuhd操作RTLSDR，需要soapyuhd 来代理
-	char dev_args[] = "available=Yes,driver=rtlsdr,label=Generic RTL2832U :: 77771111153705700,manufacturer=Generic,product=RTL2832U,rtl=0,serial=77771111153705700,tuner=Rafael Micro R820T,type=soapy";
+	char dev_args[] = "";//"available=Yes,driver=rtlsdr,label=Generic RTL2832U :: 77771111153705700,manufacturer=Generic,product=RTL2832U,rtl=0,serial=77771111153705700,tuner=Rafael Micro R820T,type=soapy";
 	char error_string[4096];
 
+	//GainName
+	const char * gainName = "PGA";
+
 	//接收频率
 	double rx_freq		= 200e6;
 	double rx_sprate	= SIGRATE;
@@ -104,10 +107,10 @@ int runRecieve()
 
 	// Set gain
 	fprintf(stderr, "Setting RX Gain: %f dB...\n", rx_gain);
-	UHD_DO(uhd_usrp_set_rx_gain(usrp, rx_gain, rx_channel[0], ""));
+	UHD_DO(uhd_usrp_set_rx_gain(usrp, rx_gain, rx_channel[0], gainName));
 
 	// See what gain actually is
-	UHD_DO(uhd_usrp_get_rx_gain(usrp, rx_channel[0], "", &rx_gain));
+	UHD_DO(uhd_usrp_get_rx_gain(usrp, rx_channel[0], gainName, &rx_gain));
 	fprintf(stderr, "Actual RX Gain: %f...\n", rx_gain);
 
 	if (rx_agc)