diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/Makefile | 2 | ||||
| -rw-r--r-- | test/sdr_fm.c | 94 | ||||
| -rw-r--r-- | test/ui_gl_waterfall.c | 5 | ||||
| -rw-r--r-- | test/ui_tui_waterfall.c | 16 |
4 files changed, 16 insertions, 101 deletions
diff --git a/test/Makefile b/test/Makefile index c447b55..05714ae 100644 --- a/test/Makefile +++ b/test/Makefile @@ -1,5 +1,5 @@ CC=gcc -CFLAGS=-std=gnu11 -I../ +CFLAGS=-I../ #LDFLAGS= `pkg-config --libs libusb` -L../../../r820t -lr820t -Wl,-rpath=../../../r820t LDFLAGS=`pkg-config --libs libusb` `sdl2-config --cflags --libs` -lrtlsdr -lm ../radiola.o -lasound SOURCE = $(wildcard *.c) diff --git a/test/sdr_fm.c b/test/sdr_fm.c index a7f5551..4fc4c98 100644 --- a/test/sdr_fm.c +++ b/test/sdr_fm.c @@ -8,8 +8,10 @@ #include <sys/timeb.h> +#include <core/math.h> #include <hw/hw.h> #include <hw/sdr.h> +#include <filt/filt.h> #define SAMPLE_RATE 1000000 #define RESAMPLE_RATE 50000 @@ -149,99 +151,9 @@ uint8_t super_div20u8( uint16_t num ) return (uint8_t)r; } -void rotate_90(uint8_t *buf, uint32_t len) -/* 90 rotation is 1+0j, 0+1j, -1+0j, 0-1j - or [0, 1, -3, 2, -4, -5, 7, -6] */ -{ - uint32_t i; - uint8_t tmp; - for (i=0; i<len; i+=8) { - /* uint8_t negation = 255 - x */ - tmp = 255 - buf[i+3]; - buf[i+3] = buf[i+2]; - buf[i+2] = tmp; - - buf[i+4] = 255 - buf[i+4]; - buf[i+5] = 255 - buf[i+5]; - - tmp = 255 - buf[i+6]; - buf[i+6] = buf[i+7]; - buf[i+7] = tmp; - } -} - -float to_float(uint8_t x) { - return (1.0f/127.0f)*(((float)x)-127.0f); -} -//float ph_ch( uint8_t i1, uint8_t q1, uint8_t i2, uint8_t q2) -float ph_ch( uint8_t i1, uint8_t q1 ) -{ - static float complex last=0.0+0.0i; - float out; - float complex xy,c1; - //float c2; - - c1 = to_float(i1) + I*to_float(q1); - //c1 = CMPLXF( to_float(i1), to_float(q1) ); - //c2 = to_float(i2) + I*to_float(q2); - //c2 = CMPLXF( to_float(i2), to_float(q2) ); - xy = conjf(last)*c1; - out = cargf( xy ); - last = c1; - - return out; -} - -//delay filtering -void delay_filt( uint8_t *buf, int buf_len ) -{ - //delay length - const int n=10; - - int i=0; - uint32_t cycle=0; - uint32_t avg_i=0, avg_q=0; - uint32_t cyc_buffer_i[n],delay_i=0; - uint32_t cyc_buffer_q[n],delay_q=0; - uint8_t in1=0,in2=0,out1=0,out2=0; - - memset( cyc_buffer_i, 0, n*sizeof(uint32_t) ); - memset( cyc_buffer_q, 0, n*sizeof(uint32_t) ); - - //for (i=0; i<(buf_len-(n*2));i+=2) - for (i=0 ; i<(buf_len-1) ; i+=2 ) - //for (i=0; i<1000; i+=2) - { - in1 = buf[i]; - in2 = buf[i+1]; - //average - avg_i += (uint32_t)in1; - avg_q += (uint32_t)in2; - delay_i = cyc_buffer_i[cycle]; - delay_q = cyc_buffer_q[cycle]; - - cyc_buffer_i[cycle] = avg_i; - cyc_buffer_q[cycle] = avg_q; - cycle = cycle + 1; - if ( cycle >= n ) - { - cycle = 0; - } - - out1 = (avg_i - delay_i)/n; - out2 = (avg_q - delay_q)/n; - - buf[i] = out1; - buf[i+1] = out2; - - //printf("%d,avg=[%d,%d],delay=[%d,%d],in=[%d,%d],out=[%d,%d]\n", - // cycle, avg_i,avg_q,delay_i,delay_q,in1,in2,out1,out2); - - } -} int main( int argc, char **argv ) { @@ -334,7 +246,7 @@ int main( int argc, char **argv ) // fbuf[i] = to_float(sample_buf[i]); //} //delay boxed filter - delay_filt( sample_buf, sample_len ); + filt_delay( sample_buf, sample_len ); //rotate by 90 degrees uint8_t diff --git a/test/ui_gl_waterfall.c b/test/ui_gl_waterfall.c index 837383f..33fbdb6 100644 --- a/test/ui_gl_waterfall.c +++ b/test/ui_gl_waterfall.c @@ -6,6 +6,9 @@ #include <getopt.h> //radiola +//#define CONFIG_OS_LINUX +//#include <config.h> +//#include <config/config_linux.h> #include <draw/glui.h> #include <hw/hw.h> #include <hw/sdr.h> @@ -329,4 +332,4 @@ main_exit: sdr_close( sdr ); return 0; -}
\ No newline at end of file +} diff --git a/test/ui_tui_waterfall.c b/test/ui_tui_waterfall.c index cc63fc3..82362c1 100644 --- a/test/ui_tui_waterfall.c +++ b/test/ui_tui_waterfall.c @@ -8,14 +8,14 @@ #include <hw/hw.h> #include <hw/sdr.h> -#define SAMPLE_RATE 2048000 - -#define CENTER_FREQ 445500000 -#define FFT_LEVEL 10 -#define FFT_SIZE (1 << FFT_LEVEL) -#define SAMPLE_LENGHT (2 * FFT_SIZE) -#define PRESCALE 8 -#define POSTSCALE 2 +#define SAMPLE_RATE 2048000 + +#define CENTER_FREQ 445500000 +#define FFT_LEVEL 10 +#define FFT_SIZE (1 << FFT_LEVEL) +#define SAMPLE_LENGHT (2 * FFT_SIZE) +#define PRESCALE 8 +#define POSTSCALE 2 int16_t* Sinewave; |