From e42911405c4bc2f8c097f47d4598baf8522ef3da Mon Sep 17 00:00:00 2001 From: FreeArtMan Date: Sun, 8 May 2016 16:02:01 +0100 Subject: Moved source to src directory --- filt/filt_delay.c | 51 --------------------------------------------------- 1 file changed, 51 deletions(-) delete mode 100644 filt/filt_delay.c (limited to 'filt/filt_delay.c') diff --git a/filt/filt_delay.c b/filt/filt_delay.c deleted file mode 100644 index 53da0b0..0000000 --- a/filt/filt_delay.c +++ /dev/null @@ -1,51 +0,0 @@ -#include "filt.h" - -//delay filtering -void filt_delay( 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); - - } -} \ No newline at end of file -- cgit v1.2.3