Remove liquid-dsp dependency for simplicity

app/Makefile

@@ -1,7 +1,7 @@
 all: testrpitx 
 
 CFLAGS	= -Wall -g -O3 -Wno-unused-variable 
-LDFLAGS	= -lm -lrt -lpthread -lliquid
+LDFLAGS	= -lm -lrt -lpthread 
 CCP = g++ 
 CC = gcc 
 

app/testrpitx.cpp

@@ -21,7 +21,7 @@ void SimpleTest(uint64_t Freq)
 
 	clkgpio clk;
 	clk.print_clock_tree();
-	//clk.SetPllNumber(clk_plld,2);
+	clk.SetPllNumber(clk_plld,1);
 	clk.SetAdvancedPllMode(true);
 	clk.SetCenterFrequency(Freq,100000);
 	int Deviation=0;
@@ -75,6 +75,7 @@ void SimpleTestDMA(uint64_t Freq)
 	ngfmtest.stop();
 	
 }
+/*
 using std::complex;
 void SimpleTestLiquid()
 {
@@ -123,7 +124,7 @@ void SimpleTestLiquid()
 	
 	ngfmtest.stop();
 }
-
+*/
 void SimpleTestFileIQ(uint64_t Freq)
 {
 	FILE *iqfile=NULL;
@@ -155,7 +156,7 @@ void SimpleTestFileIQ(uint64_t Freq)
 				for(int i=0;i<nbread/2;i++)
 				{
 					
-					liquid_float_complex x=complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0); 
+					std::complex<float> x=std::complex<float>(IQBuffer[i*2]/32768.0,IQBuffer[i*2+1]/32768.0); 
 					iqtest.SetIQSample(Index+i,x);
 					
 				}
@@ -392,8 +393,8 @@ int main(int argc, char* argv[])
 
 	//SimpleTest(Freq);
 	//SimpleTestbpsk(Freq);
-	//SimpleTestFileIQ(Freq);
-	SimpleTestDMA(Freq);
+	SimpleTestFileIQ(Freq);
+	//SimpleTestDMA(Freq);
 	//SimpleTestAm(Freq);
 	//SimpleTestOOK(Freq);
 	//SimpleTestBurstFsk(Freq);

src/Makefile

@@ -2,7 +2,7 @@
 all:  librpitx 
 
 CFLAGS	= -Wall -O3 -Wno-unused-variable 
-LDFLAGS	= -lm -lrt -lpthread -lliquid
+LDFLAGS	= -lm -lrt -lpthread 
 CCP = g++ 
 CC = gcc 
 

src/dsp.cpp

@@ -68,7 +68,7 @@ int dsp::arctan2(int y, int x) // Should be replaced with fast_atan2 from rtl_fm
 	return (y < 0) ? -angle : angle; // negate if in quad III or IV
 }
 
-void dsp::pushsample(liquid_float_complex sample)
+void dsp::pushsample(std::complex<float> sample)
 {
 
 	amplitude=norm(sample);	

src/dsp.h

@@ -5,7 +5,7 @@
 #include <iostream>
 #include <math.h>
 #include <complex>
-#include <liquid/liquid.h>
+
 class dsp
 {
 	protected:
@@ -25,7 +25,7 @@ class dsp
 
 	dsp();
 	dsp(uint32_t samplerate);
-	void pushsample(liquid_float_complex sample);	
+	void pushsample(std::complex<float> sample);	
 
 };
 #endif

src/iqdmasync.cpp

@@ -134,7 +134,7 @@ void iqdmasync::SetDmaAlgo()
 }
 
 
-void iqdmasync::SetIQSample(uint32_t Index,liquid_float_complex sample)
+void iqdmasync::SetIQSample(uint32_t Index,std::complex<float> sample)
 {
 	Index=Index%buffersize;	
 	mydsp.pushsample(sample);

src/iqdmasync.h

@@ -5,7 +5,6 @@
 #include "dma.h"
 #include "gpio.h"
 #include "dsp.h"
-#include <liquid/liquid.h>
 
 
 class iqdmasync:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
@@ -21,7 +20,7 @@ class iqdmasync:public bufferdma,public clkgpio,public pwmgpio,public pcmgpio
 	void SetDmaAlgo();
 	
 	void SetPhase(bool inversed);
-	void SetIQSample(uint32_t Index,liquid_float_complex sample);
+	void SetIQSample(uint32_t Index,std::complex<float> sample);
 }; 
 
 #endif