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rxin.c
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rxin.c
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// Copyright (c) <2012> <Leif Asbrink>
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without restriction,
// including without limitation the rights to use, copy, modify,
// merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
#include <string.h>
#include "globdef.h"
#include "uidef.h"
#include "fft1def.h"
#include "fft2def.h"
#include "fft3def.h"
#include "screendef.h"
#include "seldef.h"
#include "sigdef.h"
#include "hwaredef.h"
#include "thrdef.h"
#include "options.h"
#include "txdef.h"
extern char netsend_rx_multi_group[];
fpos_t file_startpos;
fpos_t file_playpos;
void internal_generator(void)
{
#if INTERNAL_GEN_ADD_AGCTEST == TRUE
char s[80];
int i, j;
int *iib;
double dt2, dt3, dt4;
#define IG_CF1 0.03
#define IG_CF2 0.04
#define IG_WIDTH 0.0001
#define KEY_COUNT (ui.rx_ad_speed*0.0008)
if(internal_generator_key > KEY_COUNT) {
internal_generator_key=0;
}
internal_generator_key++;
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<(int)snd[RXAD].block_bytes/2; i+=2*ui.rx_rf_channels) {
dt3=0x7e00*sin(internal_generator_phase1);
dt2=0x7e00*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*IG_CF1;
internal_generator_shift+=0.02/ui.rx_ad_speed;
if(internal_generator_shift > IG_WIDTH)internal_generator_shift=0;
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_key < KEY_COUNT/4) {
dt3+=0x7e00*0.001*sin(internal_generator_phase2);
dt2+=0x7e00*0.001*cos(internal_generator_phase2);
internal_generator_phase2+=fft1_direction*IG_CF2;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
rxin_isho[i ]+=floor(dt3);
rxin_isho[i+1]+=floor(dt2);
} else {
rxin_isho[i ]+=rint(dt3);
rxin_isho[i+1]+=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
if(truncate_flag != 0) {
rxin_isho[i+2]+=floor(dt3);
rxin_isho[i+3]+=floor(dt2);
} else {
rxin_isho[i+2]+=rint(dt3);
rxin_isho[i+3]+=rint(dt2);
}
}
}
} else {
iib=(int*)(&timf1_char[timf1p_pa]);
for(i=0; i<(int)snd[RXAD].block_bytes/4; i+=2*ui.rx_rf_channels) {
dt3=0.01*0x7e000000*sin(8*internal_generator_phase1);
dt2=0.01*0x7e000000*cos(8*internal_generator_phase1);
dt3+=0.01*0x7e000000*sin(16*internal_generator_phase1);
dt2+=0.01*0x7e000000*cos(16*internal_generator_phase1);
internal_generator_phase1+=fft1_direction*IG_CF1;
internal_generator_shift+=0.0001/ui.rx_ad_speed;
if(internal_generator_shift > IG_WIDTH)internal_generator_shift=0;
if(internal_generator_shift > IG_WIDTH-0.005/ui.rx_ad_speed ) {
dt3+=lir_noisegen(50);
dt2+=lir_noisegen(50);
}
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
internal_generator_phase2+=fft1_direction*IG_CF2;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
if(internal_generator_key < 0.2*KEY_COUNT) {
dt3+=0x7e000000*0.005*sin(4*internal_generator_phase2);
dt2+=0x7e000000*0.005*cos(4*internal_generator_phase2);
dt3+=0x7e000000*0.005*sin(18*internal_generator_phase2);
dt2+=0x7e000000*0.005*cos(18*internal_generator_phase2);
} else {
dt4=60*internal_generator_key/KEY_COUNT;
j=dt4;
dt4-=j;
if(dt4 > 0.5 &&
( internal_generator_key < 0.75*KEY_COUNT ||
internal_generator_key > 0.9*KEY_COUNT) ) {
dt3+=0x7e000000*0.00001*sin(204*internal_generator_phase2);
dt2+=0x7e000000*0.00001*cos(204*internal_generator_phase2);
}
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
iib[i ]+=floor(dt3);
iib[i+1]+=floor(dt2);
} else {
iib[i ]+=rint(dt3);
iib[i+1]+=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
if(truncate_flag != 0) {
iib[i+2]+=floor(dt3);
iib[i+3]+=floor(dt2);
} else {
iib[i+2]+=rint(dt3);
iib[i+3]+=rint(dt2);
}
}
}
}
if(internal_generator_noise != 0) {
sprintf(s,"NOISE LEVEL %d bits",internal_generator_noise);
lir_text(30,0,s);
}
#endif
// *****************************************************************
// *****************************************************************
// *****************************************************************
#if INTERNAL_GEN_AGC_TEST == TRUE
char s[80];
int i, j;
int *iib;
double dt2, dt3, dt4;
#define IG_CF1 0.1
#define IG_CF2 0.003
#define IG_WIDTH (50.0/96000)
#define KEY_COUNT (150000000.0/ui.rx_ad_speed)
if(internal_generator_key > KEY_COUNT) {
internal_generator_key=0;
}
internal_generator_key++;
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<(int)snd[RXAD].block_bytes/2; i+=2*ui.rx_rf_channels) {
dt3=0x7e00*sin(internal_generator_phase1);
dt2=0x7e00*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*IG_CF1;
internal_generator_shift+=0.02/ui.rx_ad_speed;
if(internal_generator_shift > IG_WIDTH)internal_generator_shift=0;
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_key < KEY_COUNT/4) {
dt3+=0x7e00*0.001*sin(internal_generator_phase2);
dt2+=0x7e00*0.001*cos(internal_generator_phase2);
internal_generator_phase2+=fft1_direction*IG_CF2;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
rxin_isho[i ]=floor(dt3);
rxin_isho[i+1]=floor(dt2);
} else {
rxin_isho[i ]=rint(dt3);
rxin_isho[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
rxin_isho[i+2]=rxin_isho[i ];
rxin_isho[i+3]=rxin_isho[i+1];
}
}
} else {
iib=(int*)(&timf1_char[timf1p_pa]);
for(i=0; i<(int)snd[RXAD].block_bytes/4; i+=2*ui.rx_rf_channels) {
dt3=0.01*0x7e000000*sin(8*internal_generator_phase1);
dt2=0.01*0x7e000000*cos(8*internal_generator_phase1);
dt3+=0.01*0x7e000000*sin(10*internal_generator_phase1);
dt2+=0.01*0x7e000000*cos(10*internal_generator_phase1);
internal_generator_phase1+=fft1_direction*IG_CF1;
internal_generator_shift+=0.0001/ui.rx_ad_speed;
if(internal_generator_shift > IG_WIDTH)internal_generator_shift=0;
if(internal_generator_shift > IG_WIDTH-0.02/ui.rx_ad_speed ) {
dt3+=lir_noisegen(30);
dt2+=lir_noisegen(30);
}
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
internal_generator_phase2+=fft1_direction*IG_CF2;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
if(internal_generator_key < 0.2*KEY_COUNT) {
dt3+=0x7e000000*0.005*sin(200*internal_generator_phase2);
dt2+=0x7e000000*0.005*cos(200*internal_generator_phase2);
dt3+=0x7e000000*0.005*sin(210*internal_generator_phase2);
dt2+=0x7e000000*0.005*cos(210*internal_generator_phase2);
} else {
dt4=60*internal_generator_key/KEY_COUNT;
j=dt4;
dt4-=j;
if(dt4 > 0.5 &&
( internal_generator_key < 0.75*KEY_COUNT ||
internal_generator_key > 0.9*KEY_COUNT) ) {
dt3+=0x7e000000*0.00001*sin(204*internal_generator_phase2);
dt2+=0x7e000000*0.00001*cos(204*internal_generator_phase2);
}
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
iib[i ]=floor(dt3);
iib[i+1]=floor(dt2);
} else {
iib[i ]=rint(dt3);
iib[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
iib[i+2]=iib[i ];
iib[i+3]=iib[i+1];
}
}
}
if(internal_generator_noise != 0) {
sprintf(s,"NOISE LEVEL %d bits",internal_generator_noise);
lir_text(30,0,s);
}
#endif
// *****************************************************************
// *****************************************************************
// *****************************************************************
#if INTERNAL_GEN_FILTER_TEST == TRUE
int i;
int *iib;
double dt2, dt3, dt5;
#define IG_WIDTH 2.5
#define IG_CF 0.5
#define KEY_COUNT (5000000.0/ui.rx_ad_speed)
//#define IG_WIDTH .02
//#define IG_CF -.1
//#define KEY_COUNT 16
dt5=pow(0.1,0.5*internal_generator_att);
if(internal_generator_key > KEY_COUNT) {
internal_generator_key=0;
}
internal_generator_key++;
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<(int)snd[RXAD].block_bytes/2; i+=2*ui.rx_rf_channels) {
dt3=dt5*0x7e00*sin(internal_generator_phase1);
dt2=dt5*0x7e00*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_CF-IG_WIDTH+
internal_generator_shift);
internal_generator_shift+=0.02/ui.rx_ad_speed;
if(internal_generator_shift > 2*IG_WIDTH)internal_generator_shift=0;
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_key < KEY_COUNT/4) {
dt3+=0x7e00*0.00001*sin(internal_generator_phase2);
dt2+=0x7e00*0.00001*cos(internal_generator_phase2);
internal_generator_phase2+=fft1_direction*IG_CF;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
rxin_isho[i ]=floor(dt3);
rxin_isho[i+1]=floor(dt2);
} else {
rxin_isho[i ]=rint(dt3);
rxin_isho[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
rxin_isho[i+2]=rxin_isho[i ];
rxin_isho[i+3]=rxin_isho[i+1];
}
}
} else {
iib=(int*)(&timf1_char[timf1p_pa]);
for(i=0; i<(int)snd[RXAD].block_bytes/4; i+=2*ui.rx_rf_channels) {
dt3=dt5*0x7e000000*sin(internal_generator_phase1);
dt2=dt5*0x7e000000*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_WIDTH+
internal_generator_shift);
internal_generator_shift+=0.05/ui.rx_ad_speed;
if(internal_generator_shift > 2*IG_WIDTH)internal_generator_shift=0;
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
internal_generator_phase2+=fft1_direction*IG_CF;
if(internal_generator_phase2 > 2*(double)(PI_L))internal_generator_phase2-=2*(double)(PI_L);
if(internal_generator_phase2 < -2*(double)(PI_L))internal_generator_phase2+=2*(double)(PI_L);
if(internal_generator_key < KEY_COUNT/4) {
dt3+=0x7e000000*0.000001*sin(internal_generator_phase2);
dt2+=0x7e000000*0.000001*cos(internal_generator_phase2);
}
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
iib[i ]=floor(dt3);
iib[i+1]=floor(dt2);
} else {
iib[i ]=rint(dt3);
iib[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
iib[i+2]=iib[i ];
iib[i+3]=iib[i+1];
}
}
}
#endif
// *****************************************************************
// *****************************************************************
// *****************************************************************
#if INTERNAL_GEN_CARRIER == TRUE
int i;
int *iib;
double dt2, dt3, dt5;
#define IG_WIDTH 2.5
#define IG_CF 0.5
dt5=pow(0.1,0.5*internal_generator_att);
if( (ui.rx_input_mode&IQ_DATA) == 0) {
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<(int)snd[RXAD].block_bytes/2; i+=ui.rx_rf_channels) {
dt2=dt5*0x7e00*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_CF-IG_WIDTH+
internal_generator_shift);
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_noise != 0) {
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
rxin_isho[i ]=floor(dt2);
} else {
rxin_isho[i ]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
rxin_isho[i+1]=rxin_isho[i ];
}
}
} else {
iib=(int*)(&timf1_char[timf1p_pa]);
for(i=0; i<(int)snd[RXAD].block_bytes/4; i+=ui.rx_rf_channels) {
dt2=dt5*0x7e000000*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_WIDTH+
internal_generator_shift);
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_noise != 0) {
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
iib[i]=floor(dt2);
} else {
iib[i]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
iib[i+1]=iib[i ];
}
}
}
} else {
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<(int)snd[RXAD].block_bytes/2; i+=2*ui.rx_rf_channels) {
dt3=dt5*0x7e00*sin(internal_generator_phase1);
dt2=dt5*0x7e00*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_CF-IG_WIDTH+
internal_generator_shift);
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
rxin_isho[i ]=floor(dt3);
rxin_isho[i+1]=floor(dt2);
} else {
rxin_isho[i ]=rint(dt3);
rxin_isho[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
rxin_isho[i+2]=rxin_isho[i ];
rxin_isho[i+3]=rxin_isho[i+1];
}
}
} else {
iib=(int*)(&timf1_char[timf1p_pa]);
for(i=0; i<(int)snd[RXAD].block_bytes/4; i+=2*ui.rx_rf_channels) {
dt3=dt5*0x7e000000*sin(internal_generator_phase1);
dt2=dt5*0x7e000000*cos(internal_generator_phase1);
internal_generator_phase1+=fft1_direction*(-IG_WIDTH+
internal_generator_shift);
if(internal_generator_phase1 > 2*(double)(PI_L))internal_generator_phase1-=2*(double)(PI_L);
if(internal_generator_phase1 < -2*(double)(PI_L))internal_generator_phase1+=2*(double)(PI_L);
if(internal_generator_noise != 0) {
dt3+=lir_noisegen(internal_generator_noise-1);
dt2+=lir_noisegen(internal_generator_noise-1);
}
if(truncate_flag != 0) {
iib[i ]=floor(dt3);
iib[i+1]=floor(dt2);
} else {
iib[i ]=rint(dt3);
iib[i+1]=rint(dt2);
}
if(ui.rx_rf_channels == 2) {
iib[i+2]=iib[i ];
iib[i+3]=iib[i+1];
}
}
}
}
#endif
}
void write_raw_file(void)
{
int i, timf1p_pnw;
#if OSNUM == OSNUM_LINUX
clear_thread_times(THREAD_WRITE_RAW_FILE);
#endif
thread_status_flag[THREAD_WRITE_RAW_FILE]=THRFLAG_ACTIVE;
timf1p_pnw=timf1p_pa;
while(!kill_all_flag &&
thread_command_flag[THREAD_WRITE_RAW_FILE]==THRFLAG_ACTIVE) {
lir_await_event(EVENT_WRITE_RAW_FILE);
while(timf1p_pnw!=timf1p_pa &&
thread_command_flag[THREAD_WRITE_RAW_FILE]==THRFLAG_ACTIVE) {
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
i=fwrite(&timf1_char[timf1p_pnw],1,snd[RXAD].block_bytes,save_wr_file);
if(i != (int)snd[RXAD].block_bytes)goto file_end;
} else {
timf1p_pc_disk=timf1p_pnw;
compress_rawdat_disk();
i=fwrite(rawsave_tmp_disk,1,save_rw_bytes,save_wr_file);
if(i != save_rw_bytes)goto file_end;
}
timf1p_pnw=(timf1p_pnw+snd[RXAD].block_bytes)&timf1_bytemask;
}
}
file_end:
fclose(save_wr_file);
save_wr_file=NULL;
thread_status_flag[THREAD_WRITE_RAW_FILE]=THRFLAG_RETURNED;
while(!kill_all_flag &&
thread_command_flag[THREAD_WRITE_RAW_FILE] != THRFLAG_NOT_ACTIVE) {
lir_sleep(1000);
}
}
void finish_rx_read(void)
{
int *iib;
int mask2, shft;
char *charbuf;
short int *isho;
int i, j, k, m, ix;
double dt1;
isho=(short int*)(void*)&timf1_char[timf1p_pa];
if(internal_generator_flag != 0)internal_generator();
// Here we post to the screen routine every 0.1 second.
screen_loop_counter--;
if(screen_loop_counter == 0 && !audio_dump_flag) {
screen_loop_counter=screen_loop_counter_max;
lir_set_event(EVENT_SCREEN);
}
if(diskread_flag < 2) {
rx_read_time=ms_since_midnight(TRUE);
} else {
dt1=diskread_time+diskread_block_counter*snd[RXAD].block_frames/ui.rx_ad_speed;
rx_read_time=dt1/(24*3600);
dt1-=24*3600*rx_read_time;
rx_read_time=1000*dt1;
rx_read_time%=24*3600000;
}
if(diskwrite_flag == 1)lir_set_event(EVENT_WRITE_RAW_FILE);
charbuf=(char*)&timf1_char[timf1p_pa];
if(timf1_mute == TIMF1_MUTED && ptt_state == FALSE) {
if(timf1_mute_counter == 0) {
timf1_mute_counter=mute_off;
} else {
timf1_mute_counter--;
if(timf1_mute_counter == 0) {
timf1_mute=TIMF1_UNMUTED;
}
}
}
if(timf1_mute == TIMF1_UNMUTED && ptt_state == TRUE) {
if(timf1_mute_counter == 0) {
timf1_mute_counter=mute_on;
} else {
timf1_mute_counter--;
if(timf1_mute_counter == 0) {
timf1_mute=TIMF1_MUTED;
}
}
}
if(timf1_mute == TIMF1_MUTED) {
k=ui.rx_ad_channels;
m=snd[RXAD].block_frames*k;
iib=(int*)&timf1_char[timf1p_pa];
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
isho[i+j]=1;
}
}
} else {
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
iib[i+j]=1;
}
}
}
}
if(truncate_flag != 0) {
k=ui.rx_ad_channels;
m=snd[RXAD].block_frames*k;
iib=(int*)&timf1_char[timf1p_pa];
mask2=truncate_flag^0xffffffff;
shft=(truncate_flag+1)/2;
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
rxin_nbits=16;
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
ix=isho[i+j];
ix &= mask2;
ix+=shft;
isho[i+j]=ix;
}
}
} else {
rxin_nbits=32;
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
ix=iib[i+j];
ix &= mask2;
ix+=shft;
iib[i+j]=ix;
}
}
}
mask2=truncate_flag;
while(mask2 != 0) {
mask2>>=1;
rxin_nbits--;
}
}
if(internal_generator_noise != 0) {
k=ui.rx_ad_channels;
m=snd[RXAD].block_frames*k;
iib=(int*)&timf1_char[timf1p_pa];
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
isho[i+j]+=lir_noisegen(internal_generator_noise-1);
}
}
} else {
for(i=0; i<m; i+=k) {
for(j=0; j<k; j++) {
iib[i+j]+=lir_noisegen(internal_generator_noise-1);
}
}
}
}
if(ampinfo_flag != 0) {
if(ampinfo_reset != workload_reset_flag) {
ampinfo_reset= workload_reset_flag;
for(i=0; i<ui.rx_ad_channels; i++) {
ad_maxamp[i]=1;
}
}
k=ui.rx_ad_channels;
m=snd[RXAD].block_frames*k;
}
// Set the EVENT_TIMF1 condition in case there is enough
// data for fft1 to make at least one transform.
if( ((timf1p_pa-timf1p_pb+timf1_bytes)&timf1_bytemask) >= timf1_usebytes) {
timf1p_pb=timf1p_pa;
lir_set_event(EVENT_TIMF1);
}
timf1p_pa=(timf1p_pa+snd[RXAD].block_bytes)&timf1_bytemask;
rxin_isho=(short int*)(&timf1_char[timf1p_pa]);
rxin_int=(int*)(&timf1_char[timf1p_pa]);
rxin_char=(char*)(&timf1_char[timf1p_pa]);
rxin_block_counter++;
lir_sched_yield();
}
void rx_file_input(void)
{
int i, j, k;
double speedcalc_counter;
float *z;
int restart_flag;
double dt1, dt2, read_start_time, ideal_block_count;
double total_time1, total_time2;
float t2;
i=0;
screen_loop_counter_max=0.1*snd[RXAD].interrupt_rate;
if(screen_loop_counter_max==0)screen_loop_counter_max=1;
if(file_start_block < 0) {
fgetpos(save_rd_file,&file_startpos);
diskread_block_counter=0;
} else {
fsetpos(save_rd_file,&file_playpos);
diskread_block_counter=file_start_block;
}
restart:
;
restart_flag=FALSE;
#if OSNUM == OSNUM_LINUX
clear_thread_times(THREAD_RX_FILE_INPUT);
#endif
screen_loop_counter=screen_loop_counter_max;
total_time1=current_time();
read_start_time=total_time1;
total_time2=current_time();
speedcalc_counter=0;
thread_status_flag[THREAD_RX_FILE_INPUT]=THRFLAG_ACTIVE;
while(thread_command_flag[THREAD_RX_FILE_INPUT] == THRFLAG_ACTIVE) {
if(audio_dump_flag != 0) {
wait:
;
lir_set_event(EVENT_TIMF1);
if(thread_command_flag[THREAD_RX_FILE_INPUT] != THRFLAG_ACTIVE ||
kill_all_flag) goto end_file_rxin;
if( ((timf1p_pa-timf1p_px+timf1_bytes)&timf1_bytemask) > timf1_bytemask/ 4 ||
((fft1_na-fft1_nx+max_fft1n)&fft1n_mask) > max_fft1n/4) {
lir_sleep(5000);
goto wait;
} else {
lir_sched_yield();
}
dt2=current_time();
i=0;
if(dt2 > total_time2+0.25) {
if(no_of_processors < 4)
// Make sure we do not use 100% of the available CPU time.
// Leave the CPU idle (from Linrad tasks) four times per second.
// First make sure that all important threads have completed,
// Then wait 12.5 milliseconds extra to give at least 5% of the
// total CPU power to other tasks.
{
while(!kill_all_flag &&
(thread_status_flag[THREAD_WIDEBAND_DSP] != THRFLAG_SEM_WAIT ||
(thread_status_flag[THREAD_SCREEN] != THRFLAG_SEM_WAIT &&
thread_status_flag[THREAD_SCREEN] != THRFLAG_IDLE) ) ) {
i++;
lir_sleep(5000);
if(i>800)lirerr(88777);
}
if(genparm[SECOND_FFT_ENABLE] != 0) {
while(!kill_all_flag &&
thread_status_flag[THREAD_SECOND_FFT] != THRFLAG_SEM_WAIT) {
lir_sleep(5000);
i++;
if(i>800)lirerr(88778);
}
}
while(!kill_all_flag && new_baseb_flag <= 0 &&
(thread_status_flag[THREAD_NARROWBAND_DSP] != THRFLAG_SEM_WAIT &&
thread_status_flag[THREAD_NARROWBAND_DSP] != THRFLAG_INPUT_WAIT)) {
lir_sleep(5000);
i++;
if(i>800)lirerr(88779);
}
lir_sleep(5000);
}
dt2=current_time();
total_time2=dt2;
}
ideal_block_count=speedcalc_counter-0.4;
dt1=ideal_block_count/snd[RXAD].interrupt_rate;
read_start_time=dt2-dt1;
} else {
if(speedcalc_counter > 5) {
total_time2=current_time();
dt1=total_time2-read_start_time;
ideal_block_count=dt1*snd[RXAD].interrupt_rate+1;
t2=speedcalc_counter-ideal_block_count-.5;
if(t2 >0) {
t2/=snd[RXAD].interrupt_rate;
lir_sleep(1000000*t2);
}
total_time2=current_time();
dt1=total_time2-read_start_time;
measured_ad_speed=(speedcalc_counter-0.75)*(snd[RXAD].block_frames/dt1);
}
}
if(diskread_pause_flag !=0 ) {
lir_sleep(100000);
restart_flag=TRUE;
goto skip_read;
}
if(restart_flag)goto restart;
diskread_block_counter++;
if(file_stop_block > 0) {
if(diskread_block_counter > file_stop_block)goto end_savfile;
}
speedcalc_counter++;
if(internal_generator_flag == 0 || INTERNAL_GEN_ADD_AGCTEST == TRUE) {
if( diskread_flag == 4)goto end_savfile;
if( (ui.rx_input_mode&DWORD_INPUT) == 0) {
if( (ui.rx_input_mode&BYTE_INPUT) != 0) {
j=snd[RXAD].block_bytes>>1;
k=j;
i=fread(rxin_isho,1,j,save_rd_file);
while(j > 0) {
j--;
// Subtract 127.5 convert range (0,255) to (-127.5,127.5)
rxin_isho[j]=(rxin_char[j]<<8)-32640;
}
if(i != k) {
i*=2;
goto end_savfile;
}
} else {
i=fread(rxin_isho,1,snd[RXAD].block_bytes,save_rd_file);
if(i != (int)snd[RXAD].block_bytes)goto end_savfile;
}
} else {
if( (ui.rx_input_mode&(BYTE_INPUT+FLOAT_INPUT+QWORD_INPUT)) != 0) {
// Read 24 bit PCM and 32 bit float and PCM wav files here.
if( (ui.rx_input_mode&(FLOAT_INPUT+QWORD_INPUT)) == 0) {
j=3*(snd[RXAD].block_bytes>>2);
k=j;
i=fread(rxin_isho,1,j,save_rd_file);
j/=3;
while(j > 0) {
j--;
rxin_char[4*j+3]=rxin_char[3*j+2];
rxin_char[4*j+2]=rxin_char[3*j+1];
rxin_char[4*j+1]=rxin_char[3*j ];
rxin_char[4*j ]=0;
}
if(i != k) {
i*=4;
i/=3;
goto end_savfile;
}
} else {
z=(float*)rxin_isho;
i=fread(rxin_isho,1,snd[RXAD].block_bytes,save_rd_file);
j=snd[RXAD].block_bytes/4;
if( (ui.rx_input_mode&QWORD_INPUT) == 0) {
while(j > 0) {
j--;
rxin_int[j]=0x7fffffff*z[j];
}
}
if(i != (int)snd[RXAD].block_bytes) {
goto end_savfile;
}
}
} else {
i=fread(rawsave_tmp,1,save_rw_bytes,save_rd_file);
expand_rawdat();
if(i != save_rw_bytes) {
end_savfile:
;
if(savefile_repeat_flag == 1) {
memset(&timf1_char[timf1p_pa],0,snd[RXAD].block_bytes);
if(file_start_block < 0) {
fsetpos(save_rd_file,&file_startpos);
diskread_block_counter=0;
} else {
fsetpos(save_rd_file,&file_playpos);
diskread_block_counter=file_start_block;
}
} else {
if(diskread_flag == 2) {
diskread_block_counter=2;
diskread_flag=4;
}
if( (diskread_flag & 4) != 0) {
if(diskread_block_counter/snd[RXAD].interrupt_rate >= total_wttim) {
diskread_flag=8;
goto end_file_rxin;
}
}
}
// Clear the 500 last bytes. WAV files contain big numbers
// appended to the signal data in the file that create huge pulses
k=(timf1p_pa-500+i+timf1_bytes)&timf1_bytemask;
while(k != timf1p_pa) {
timf1_char[k]=0;
k=(k+1)&timf1_bytemask;
}
}
}
}
}
finish_rx_read();
if(kill_all_flag) goto end_file_rxin;
skip_read:
;
}
end_file_rxin:
;
audio_dump_flag=0;
thread_status_flag[THREAD_RX_FILE_INPUT]=THRFLAG_RETURNED;
while(thread_command_flag[THREAD_RX_FILE_INPUT] != THRFLAG_NOT_ACTIVE) {
lir_sleep(5000);
awake_screen();
}
}