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protocol2.c
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/* Copyright (C)
* 2018 - John Melton, G0ORX/N6LYT
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
//#define ECHO_MIC
#include <gtk/gtk.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <net/if_arp.h>
#include <net/if.h>
#include <ifaddrs.h>
#include <semaphore.h>
#include <math.h>
#include <wdsp.h>
#include "alex.h"
#include "band.h"
#include "channel.h"
#include "discovered.h"
#include "bpsk.h"
#include "mode.h"
#include "filter.h"
#include "wideband.h"
#include "receiver.h"
#include "transmitter.h"
#include "adc.h"
#include "dac.h"
#include "radio.h"
#include "signal.h"
#include "vfo.h"
#include "audio.h"
#ifdef LOCALCW
#include "iambic.h"
#endif
//#include "vox.h"
#include "ext.h"
#include "main.h"
#include "protocol2.h"
#define min(x,y) (x<y?x:y)
#define PI 3.1415926535897932F
int data_socket=-1;
static gboolean running;
static struct sockaddr_in base_addr;
static int base_addr_length;
static struct sockaddr_in receiver_addr;
static int receiver_addr_length;
static struct sockaddr_in transmitter_addr;
static int transmitter_addr_length;
static struct sockaddr_in high_priority_addr;
static int high_priority_addr_length;
static struct sockaddr_in audio_addr;
static int audio_addr_length;
static struct sockaddr_in iq_addr;
static int iq_addr_length;
static struct sockaddr_in data_addr[MAX_RECEIVERS];
static int data_addr_length[MAX_RECEIVERS];
static struct sockaddr_in wide_addr;
static int wide_addr_length;
static GThread *protocol2_thread_id;
static GThread *protocol2_timer_thread_id;
static long high_priority_sequence = 0;
static long general_sequence = 0;
static long rx_specific_sequence = 0;
static long tx_specific_sequence = 0;
static int micoutputsamples; // 48000 in, 192000 out
//static double micinputbuffer[MAX_BUFFER_SIZE*2]; // 48000 ---- UNUSED
//static double iqoutputbuffer[MAX_BUFFER_SIZE*4*2]; //192000 --- UNUSED
static long tx_iq_sequence;
static unsigned char iqbuffer[1444];
static int iqindex;
static int micsamples;
//static float phase = 0.0F; //UNUSED
static long response_sequence;
static int response;
static int samples[MAX_RECEIVERS];
#ifdef INCLUDED
static int outputsamples;
#endif
static long audiosequence;
static unsigned char audiobuffer[260]; // was 1444
static int audioindex;
#define NET_BUFFER_SIZE 2048
// Network buffers
static struct sockaddr_in addr;
static socklen_t length;
static unsigned char general_buffer[60];
static unsigned char high_priority_buffer_to_radio[1444];
static unsigned char transmit_specific_buffer[60];
static unsigned char receive_specific_buffer[1444];
static gpointer protocol2_thread(gpointer data);
static gpointer protocol2_timer_thread(gpointer data);
static void process_iq_data(RECEIVER *rx,unsigned char *buffer);
static void process_wideband_data(WIDEBAND *w,unsigned char *buffer);
#ifdef PURESIGNAL_P2
static void process_ps_iq_data(RECEIVER *rx);
#endif
static void process_command_response(unsigned char *buffer);
static void process_high_priority(unsigned char *buffer);
static void process_mic_data(int bytes,unsigned char *buffer);
#ifdef INCLUDED
static void protocol2_calc_buffers() {
switch(sample_rate) {
case 48000:
outputsamples=r->buffer_size;
break;
case 96000:
outputsamples=r->buffer_size/2;
break;
case 192000:
outputsamples=r->buffer_size/4;
break;
case 384000:
outputsamples=r->buffer_size/8;
break;
case 768000:
outputsamples=r->buffer_size/16;
break;
case 1536000:
outputsamples=r->buffer_size/32;
break;
}
}
#endif
void filter_board_changed() {
protocol2_general();
}
/*
void pa_changed() {
protocol2_general();
}
void tuner_changed() {
protocol2_general();
}
*/
void cw_changed() {
#ifdef LOCALCW
// update the iambic keyer params
if (radio->cw_keyer_internal == 0)
keyer_update();
#endif
}
void protocol2_start_receiver(RECEIVER *r) {
fprintf(stderr, "iq_thread: channel=%d\n", r->channel);
protocol2_general();
protocol2_high_priority();
protocol2_receive_specific();
}
void protocol2_stop_receiver(RECEIVER *r) {
protocol2_general();
protocol2_high_priority();
}
void protocol2_start_wideband(WIDEBAND *w) {
g_print("protocol2_start_wideband\n");
protocol2_general();
}
void protocol2_stop_wideband() {
protocol2_general();
}
void protocol2_init(RADIO *r) {
int i;
// int rc; // UNUSED
fprintf(stderr,"protocol2_init: MIC_SAMPLES=%d\n",MIC_SAMPLES);
#ifdef INCLUDED
outputsamples=r->buffer_size;
#endif
micoutputsamples=r->buffer_size*4;
if(r->local_microphone) {
if(audio_open_input(r)!=0) {
fprintf(stderr,"audio_open_input failed\n");
r->local_microphone=FALSE;
}
}
#ifdef INCLUDED
protocol2_calc_buffers();
#endif
for(i=0;i<r->discovered->supported_receivers;i++) {
if(r->receiver[i]!=NULL) {
protocol2_start_receiver(r->receiver[i]);
}
}
data_socket=socket(PF_INET,SOCK_DGRAM,IPPROTO_UDP);
if(data_socket<0) {
fprintf(stderr,"protocol2_init: create socket failed for data_socket\n");
exit(-1);
}
int optval = 1;
setsockopt(data_socket, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
setsockopt(data_socket, SOL_SOCKET, SO_REUSEPORT, &optval, sizeof(optval));
// bind to the interface
if(bind(data_socket,(struct sockaddr*)&r->discovered->info.network.interface_address,r->discovered->info.network.interface_length)<0) {
fprintf(stderr,"protocol2_init: bind socket failed for data_socket\n");
exit(-1);
}
fprintf(stderr,"protocol2_init: date_socket %d bound to interface\n",data_socket);
memcpy(&base_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
base_addr_length=r->discovered->info.network.address_length;
base_addr.sin_port=htons(GENERAL_REGISTERS_FROM_HOST_PORT);
memcpy(&receiver_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
receiver_addr_length=r->discovered->info.network.address_length;
receiver_addr.sin_port=htons(RECEIVER_SPECIFIC_REGISTERS_FROM_HOST_PORT);
memcpy(&transmitter_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
transmitter_addr_length=r->discovered->info.network.address_length;
transmitter_addr.sin_port=htons(TRANSMITTER_SPECIFIC_REGISTERS_FROM_HOST_PORT);
memcpy(&high_priority_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
high_priority_addr_length=r->discovered->info.network.address_length;
high_priority_addr.sin_port=htons(HIGH_PRIORITY_FROM_HOST_PORT);
fprintf(stderr,"protocol2_init: high_priority_addr setup for port %d\n",HIGH_PRIORITY_FROM_HOST_PORT);
memcpy(&audio_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
audio_addr_length=r->discovered->info.network.address_length;
audio_addr.sin_port=htons(AUDIO_FROM_HOST_PORT);
memcpy(&iq_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
iq_addr_length=r->discovered->info.network.address_length;
iq_addr.sin_port=htons(TX_IQ_FROM_HOST_PORT);
for(i=0;i<r->discovered->supported_receivers;i++) {
memcpy(&data_addr[i],&r->discovered->info.network.address,r->discovered->info.network.address_length);
data_addr_length[i]=r->discovered->info.network.address_length;
data_addr[i].sin_port=htons(RX_IQ_TO_HOST_PORT_0+i);
samples[i]=0;
}
memcpy(&wide_addr,&r->discovered->info.network.address,r->discovered->info.network.address_length);
wide_addr_length=r->discovered->info.network.address_length;
wide_addr.sin_port=htons(WIDE_BAND_TO_HOST_PORT);
protocol2_thread_id = g_thread_new( "protocol2", protocol2_thread, NULL);
if( ! protocol2_thread_id )
{
fprintf(stderr,"g_thread_new failed on protocol2_thread\n");
exit( -1 );
}
fprintf(stderr, "protocol2_thread: id=%p\n",protocol2_thread_id);
}
void protocol2_general() {
BAND *band;
band=NULL;
if(radio!=NULL) {
if(radio->transmitter!=NULL) {
if(radio->transmitter->rx!=NULL) {
#ifdef USE_VFO_B_MODE_AND_FILTER
if(radio->transmitter->rx->split) {
band=band_get_band(radio->transmitter->rx->band_b);
} else {
#endif
band=band_get_band(radio->transmitter->rx->band_a);
#ifdef USE_VFO_B_MODE_AND_FILTER
}
#endif
}
}
}
memset(general_buffer, 0, sizeof(general_buffer));
general_buffer[0]=general_sequence>>24;
general_buffer[1]=general_sequence>>16;
general_buffer[2]=general_sequence>>8;
general_buffer[3]=general_sequence;
if(radio!=NULL) {
if(radio->wideband!=NULL) {
general_buffer[23]=0x01; // enable for ADC-0
}
}
// use defaults apart from
general_buffer[37]=0x08; // phase word (not frequency)
general_buffer[38]=0x01; // enable hardware timer
if(band==NULL || band->disablePA) {
general_buffer[58]=0x00;
} else {
general_buffer[58]=0x01; // enable PA
}
if(radio!=NULL) {
if(radio->filter_board==APOLLO) {
general_buffer[58]|=0x02; // enable APOLLO tuner
}
if(radio->filter_board==ALEX) {
if(radio->discovered->device==NEW_DEVICE_ORION2) {
general_buffer[59]=0x03; // enable Alex 0 and 1
} else {
general_buffer[59]=0x01; // enable Alex 0
}
}
}
if(sendto(data_socket,general_buffer,sizeof(general_buffer),0,(struct sockaddr*)&base_addr,base_addr_length)<0) {
fprintf(stderr,"sendto socket failed for general: seq=%ld\n",general_sequence);
}
general_sequence++;
}
void protocol2_high_priority() {
int r;
BAND *band;
int xvtr = 0; // IS THIS UNUSED?
long long rxFrequency;
long long txFrequency;
long phase;
int mode;
if(data_socket==-1) {
return;
}
if(radio==NULL) {
return;
}
memset(high_priority_buffer_to_radio, 0, sizeof(high_priority_buffer_to_radio));
high_priority_buffer_to_radio[0]=high_priority_sequence>>24;
high_priority_buffer_to_radio[1]=high_priority_sequence>>16;
high_priority_buffer_to_radio[2]=high_priority_sequence>>8;
high_priority_buffer_to_radio[3]=high_priority_sequence;
mode=USB;
if(radio->transmitter->rx!=NULL) {
#ifdef USE_VFO_B_MODE_AND_FILTER
if(radio->transmitter->rx->split) {
#endif
mode=radio->transmitter->rx->mode_a;
#ifdef USE_VFO_B_MODE_AND_FILTER
} else {
mode=radio->transmitter->rx->mode_b;
}
#endif
}
high_priority_buffer_to_radio[4]=running;
if(mode==CWU || mode==CWL) {
if(radio->tune) {
high_priority_buffer_to_radio[4]|=0x02;
}
#ifdef LOCALCW
if (radio->cw_keyer_internal == 0) {
// set the ptt if we're not in breakin mode and mox is on
if(radio->cw_breakin == 0 && getMox()) high_priority_buffer_to_radio[4]|=0x02;
high_priority_buffer_to_radio[5]|=(keyer_out) ? 0x01 : 0;
//high_priority_buffer_to_radio[5]|=(*kdot) ? 0x02 : 0;
//high_priority_buffer_to_radio[5]|=(*kdash) ? 0x04 : 0;
high_priority_buffer_to_radio[5]|=(key_state==SENDDOT) ? 0x02 : 0;
high_priority_buffer_to_radio[5]|=(key_state==SENDDASH) ? 0x04 : 0;
}
#endif
} else {
if(isTransmitting(radio)) {
high_priority_buffer_to_radio[4]|=0x02;
}
}
// rx
for(r=0;r<radio->discovered->supported_receivers;r++) {
if(radio->receiver[r]!=NULL) {
//int v=radio->receiver[r]->channel; // UNUSED
rxFrequency=radio->receiver[r]->frequency_a-radio->receiver[r]->lo_a+radio->receiver[r]->error_a;
if(radio->receiver[r]->rit_enabled) {
rxFrequency+=radio->receiver[r]->rit;
}
/*
switch(radio->receiver[r]->mode_a) {
case CWU:
rxFrequency-=radio->cw_keyer_sidetone_frequency;
break;
case CWL:
rxFrequency+=radio->cw_keyer_sidetone_frequency;
break;
default:
break;
}
*/
phase=(long)((4294967296.0*(double)rxFrequency)/122880000.0);
high_priority_buffer_to_radio[9+(radio->receiver[r]->channel*4)]=phase>>24;
high_priority_buffer_to_radio[10+(radio->receiver[r]->channel*4)]=phase>>16;
high_priority_buffer_to_radio[11+(radio->receiver[r]->channel*4)]=phase>>8;
high_priority_buffer_to_radio[12+(radio->receiver[r]->channel*4)]=phase;
}
}
// tx
if(radio->transmitter->rx!=NULL) {
RECEIVER *rx=radio->transmitter->rx;
if(rx!=NULL) {
if(rx->split) {
txFrequency=rx->frequency_b-rx->lo_b+rx->error_b;
} else {
if(rx->ctun) {
txFrequency=rx->ctun_frequency-rx->lo_a+rx->error_a;
} else {
txFrequency=rx->frequency_a-rx->lo_a+rx->error_a;
}
}
if(radio->transmitter->xit_enabled) {
txFrequency+=radio->transmitter->xit;
}
}
switch(radio->transmitter->rx->mode_a) {
case CWU:
txFrequency+=radio->cw_keyer_sidetone_frequency;
break;
case CWL:
txFrequency-=radio->cw_keyer_sidetone_frequency;
break;
default:
break;
}
phase=(long)((4294967296.0*(double)txFrequency)/122880000.0);
}
#ifdef PURESIGNAL_P2
if(isTransmitting(radio) && (radio->transmitter->puresignal != NULL)) {
// set puresignal rx to transmit frequency
high_priority_buffer_to_radio[9]=phase>>24;
high_priority_buffer_to_radio[10]=phase>>16;
high_priority_buffer_to_radio[11]=phase>>8;
high_priority_buffer_to_radio[12]=phase;
high_priority_buffer_to_radio[13]=phase>>24;
high_priority_buffer_to_radio[14]=phase>>16;
high_priority_buffer_to_radio[15]=phase>>8;
high_priority_buffer_to_radio[16]=phase;
}
#endif
high_priority_buffer_to_radio[329]=phase>>24;
high_priority_buffer_to_radio[330]=phase>>16;
high_priority_buffer_to_radio[331]=phase>>8;
high_priority_buffer_to_radio[332]=phase;
int level=0;
if(isTransmitting(radio)) {
BAND *band;
if(radio->transmitter!=NULL) {
if(radio->transmitter->rx!=NULL) {
#ifdef USE_VFO_B_MODE_AND_FILTER
if(radio->transmitter->rx->split) {
band=band_get_band(radio->transmitter->rx->band_b);
} else {
#endif
band=band_get_band(radio->transmitter->rx->band_a);
#ifdef USE_VFO_B_MODE_AND_FILTER
}
#endif
}
}
int power=0;
if(isTransmitting(radio)) {
if(radio->tune && !radio->transmitter->tune_use_drive) {
power=(int)(radio->transmitter->drive/100.0*radio->transmitter->tune_percent);
} else {
power=(int)radio->transmitter->drive;
}
}
double target_dbm = 10.0 * log10(power * 1000.0);
double gbb=band->pa_calibration;
target_dbm-=gbb;
double target_volts = sqrt(pow(10, target_dbm * 0.1) * 0.05);
double volts=min((target_volts / 0.8), 1.0);
double actual_volts=volts*(1.0/0.98);
if(actual_volts<0.0) {
actual_volts=0.0;
} else if(actual_volts>1.0) {
actual_volts=1.0;
}
level=(int)(actual_volts*255.0);
g_print("protocol2_high_priority: band=%d %s level=%d\n",radio->transmitter->rx->band_a, band->title, level);
}
high_priority_buffer_to_radio[345]=level&0xFF;
if(radio->transmitter->rx!=NULL) {
if(isTransmitting(radio)) {
//high_priority_buffer_to_radio[1401]=band->OCtx<<1;
if(radio->tune) {
/*
if(OCmemory_tune_time!=0) {
struct timeval te;
gettimeofday(&te,NULL);
long long now=te.tv_sec*1000LL+te.tv_usec/1000;
if(tune_timeout>now) {
high_priority_buffer_to_radio[1401]|=OCtune<<1;
}
} else {
high_priority_buffer_to_radio[1401]|=OCtune<<1;
}
*/
}
} else {
band=band_get_band(radio->transmitter->rx->band_a);
high_priority_buffer_to_radio[1401]=band->OCrx<<1;
}
/*
if(radio->discovered->device==NEW_DEVICE_ATLAS) {
for(r=0;r<radio->discovered->supported_receivers;r++) {
high_priority_buffer_to_radio[1403]|=radio->receiver[i]->preamp;
}
}
*/
}
long filters=0x00000000;
if(isTransmitting(radio)) {
filters=0x08000000;
#ifdef PURESIGNAL_P2
if(radio->transmitter->puresignal != NULL) {
filters|=0x00040000;
}
#endif
}
switch(radio->adc[0].filters) {
case AUTOMATIC:
break;
case MANUAL:
break;
}
if(radio->transmitter->rx!=NULL) {
rxFrequency=radio->transmitter->rx->frequency_a-radio->transmitter->rx->lo_a;
switch(radio->adc[0].filters) {
case AUTOMATIC:
switch(radio->discovered->device) {
case NEW_DEVICE_ORION2:
if(rxFrequency<1500000L) {
filters|=0x1000;
} else if(rxFrequency<2100000L) {
filters|=0x40;
} else if(rxFrequency<5500000L) {
filters|=0x20;
} else if(rxFrequency<11000000L) {
filters|=0x10;
} else if(rxFrequency<22000000L) {
filters|=0x02;
} else if(rxFrequency<35000000L) {
filters|=0x04;
} else {
filters|=0x08;
}
break;
default:
if(rxFrequency<1500000L) {
filters|=0x1000;
} else if(rxFrequency<6500000L) {
filters|=0x40;
} else if(rxFrequency<9500000L) {
filters|=0x20;
} else if(rxFrequency<13000000L) {
filters|=0x10;
} else if(rxFrequency<20000000L) {
filters|=0x02;
} else if(rxFrequency<50000000L) {
filters|=0x04;
} else {
filters|=0x80;;
}
break;
}
break;
case MANUAL:
switch(radio->adc[0].hpf) {
case BYPASS:
filters|=0x1000;
break;
case HPF_1_5:
filters|=0x40;
break;
case HPF_6_5:
filters|=0x20;
break;
case HPF_9_5:
filters|=0x10;
break;
case HPF_13:
filters|=0x02;
break;
case HPF_20:
filters|=0x04;
break;
}
break;
}
switch(radio->adc[0].filters) {
case AUTOMATIC:
switch(radio->discovered->device) {
case NEW_DEVICE_ORION2:
if(txFrequency>32000000) {
filters|=0x20000000;
} else if(txFrequency>22000000) {
filters|=0x40000000;
} else if(txFrequency>11000000) {
filters|=0x20000000;
} else if(txFrequency>5500000) {
filters|=0x100000;
} else if(txFrequency>2100000) {
filters|=0x200000;
} else if(txFrequency>1500000) {
filters|=0x400000;
} else {
filters|=0x800000;
}
break;
default:
if(txFrequency>35600000) {
filters|=0x08;
} else if(txFrequency>24000000) {
filters|=0x04;
} else if(txFrequency>16500000) {
filters|=0x02;
} else if(txFrequency>8000000) {
filters|=0x10;
} else if(txFrequency>5000000) {
filters|=0x20;
} else if(txFrequency>2500000) {
filters|=0x40;
} else {
filters|=0x40;
}
break;
}
case MANUAL:
switch(radio->adc[0].lpf) {
case LPF_160:
filters|=0x800000;
break;
case LPF_80:
filters|=0x400000;
break;
case LPF_60_40:
filters|=0x200000;
break;
case LPF_30_20:
filters|=0x100000;
break;
case LPF_17_15:
filters|=0x80000000;
break;
case LPF_12_10:
filters|=0x40000000;
break;
case LPF_6:
filters|=0x20000000;
break;
}
break;
}
switch(radio->adc[0].antenna) {
case 0: // ANT 1
break;
case 1: // ANT 2
break;
case 2: // ANT 3
break;
case 3: // EXT 1
filters|=ALEX_RX_ANTENNA_EXT2;
break;
case 4: // EXT 2
filters|=ALEX_RX_ANTENNA_EXT1;
break;
case 5: // XVTR
if(!xvtr) {
filters|=ALEX_RX_ANTENNA_XVTR;
}
break;
default:
// invalid value - set to 0
band->alexRxAntenna=0;
break;
}
if(isTransmitting(radio)) {
if(!xvtr) {
switch(radio->alex_tx_antenna) {
case 0: // ANT 1
filters|=ALEX_TX_ANTENNA_1;
break;
case 1: // ANT 2
filters|=ALEX_TX_ANTENNA_2;
break;
case 2: // ANT 3
filters|=ALEX_TX_ANTENNA_3;
break;
default:
// invalid value - set to 0
filters|=ALEX_TX_ANTENNA_1;
band->alexRxAntenna=0;
break;
}
}
} else {
switch(radio->adc[0].antenna) {
case 0: // ANT 1
filters|=ALEX_TX_ANTENNA_1;
break;
case 1: // ANT 2
filters|=ALEX_TX_ANTENNA_2;
break;
case 2: // ANT 3
filters|=ALEX_TX_ANTENNA_3;
break;
case 3: // EXT 1
case 4: // EXT 2
case 5: // XVTR
if(!xvtr) {
switch(radio->alex_tx_antenna) {
case 0: // ANT 1
filters|=ALEX_TX_ANTENNA_1;
break;
case 1: // ANT 2
filters|=ALEX_TX_ANTENNA_2;
break;
case 2: // ANT 3
filters|=ALEX_TX_ANTENNA_3;
break;
}
}
break;
}
}
high_priority_buffer_to_radio[1432]=(filters>>24)&0xFF;
high_priority_buffer_to_radio[1433]=(filters>>16)&0xFF;
high_priority_buffer_to_radio[1434]=(filters>>8)&0xFF;
high_priority_buffer_to_radio[1435]=filters&0xFF;
//fprintf(stderr,"filters: txrx0: %02X %02X %02X %02X for rx=%lld tx=%lld\n",high_priority_buffer_to_radio[1432],high_priority_buffer_to_radio[1433],high_priority_buffer_to_radio[1434],high_priority_buffer_to_radio[1435],rxFrequency,txFrequency);
filters=0x00000000;
rxFrequency=radio->receiver[0]->frequency_a-radio->receiver[0]->lo_a;
switch(radio->discovered->device) {
case NEW_DEVICE_ORION2:
if(rxFrequency<1500000L) {
filters|=ALEX_BYPASS_HPF;
} else if(rxFrequency<2100000L) {
filters|=ALEX_1_5MHZ_HPF;
} else if(rxFrequency<5500000L) {
filters|=ALEX_6_5MHZ_HPF;
} else if(rxFrequency<11000000L) {
filters|=ALEX_9_5MHZ_HPF;
} else if(rxFrequency<22000000L) {
filters|=ALEX_13MHZ_HPF;
} else if(rxFrequency<35000000L) {
filters|=ALEX_20MHZ_HPF;
} else {
filters|=ALEX_6M_PREAMP;
}
break;
default:
if(rxFrequency<1800000L) {
filters|=ALEX_BYPASS_HPF;
} else if(rxFrequency<6500000L) {
filters|=ALEX_1_5MHZ_HPF;
} else if(rxFrequency<9500000L) {
filters|=ALEX_6_5MHZ_HPF;
} else if(rxFrequency<13000000L) {
filters|=ALEX_9_5MHZ_HPF;
} else if(rxFrequency<20000000L) {
filters|=ALEX_13MHZ_HPF;
} else if(rxFrequency<50000000L) {
filters|=ALEX_20MHZ_HPF;
} else {
filters|=ALEX_6M_PREAMP;
}
break;
}
//high_priority_buffer_to_radio[1428]=(filters>>24)&0xFF;
//high_priority_buffer_to_radio[1429]=(filters>>16)&0xFF;
high_priority_buffer_to_radio[1430]=(filters>>8)&0xFF;
high_priority_buffer_to_radio[1431]=filters&0xFF;
//fprintf(stderr,"filters: rx1: %02X %02X for rx=%lld\n",high_priority_buffer_to_radio[1430],high_priority_buffer_to_radio[1431],rxFrequency);
//fprintf(stderr,"protocol2_high_priority: OC=%02X filters=%04X for frequency=%lld\n", high_priority_buffer_to_radio[1401], filters, rxFrequency);
if(isTransmitting(radio)) {
high_priority_buffer_to_radio[1443]=radio->transmitter->attenuation;
} else {
high_priority_buffer_to_radio[1443]=radio->adc[0].attenuation;
high_priority_buffer_to_radio[1442]=radio->adc[1].attenuation;
}
}
int rc;
if((rc=sendto(data_socket,high_priority_buffer_to_radio,sizeof(high_priority_buffer_to_radio),0,(struct sockaddr*)&high_priority_addr,high_priority_addr_length))<0) {
fprintf(stderr,"sendto socket failed for high priority: rc=%d errno=%d\n",rc,errno);
//abort();
}
high_priority_sequence++;
}
static void protocol2_transmit_specific() {
int mode;
memset(transmit_specific_buffer, 0, sizeof(transmit_specific_buffer));
transmit_specific_buffer[0]=tx_specific_sequence>>24;
transmit_specific_buffer[1]=tx_specific_sequence>>16;
transmit_specific_buffer[2]=tx_specific_sequence>>8;
transmit_specific_buffer[3]=tx_specific_sequence;
mode=USB;
if(radio!=NULL) {
if(radio->transmitter!=NULL) {
if(radio->transmitter->rx!=NULL) {
#ifdef USE_VFO_B_MODE_AND_FILTER
if(radio->transmitter->rx->split) {
#endif
mode=radio->transmitter->rx->mode_a;
#ifdef USE_VFO_B_MODE_AND_FILTER
} else {
mode=radio->transmitter->rx->mode_b;
}
#endif
}
}
}
transmit_specific_buffer[4]=1; // 1 DAC
transmit_specific_buffer[5]=0; // default no CW
// may be using local pihpsdr OR hpsdr CW
if(radio!=NULL) {
if(mode==CWU || mode==CWL) {
transmit_specific_buffer[5]|=0x02;
}
if(radio->cw_keys_reversed) {
transmit_specific_buffer[5]|=0x04;
}
if(radio->cw_keyer_mode==KEYER_MODE_A) {
transmit_specific_buffer[5]|=0x08;
}
if(radio->cw_keyer_mode==KEYER_MODE_B) {
transmit_specific_buffer[5]|=0x28;
}
if(radio->cw_keyer_sidetone_volume!=0) {
transmit_specific_buffer[5]|=0x10;
}
if(radio->cw_keyer_spacing) {
transmit_specific_buffer[5]|=0x40;
}
if(radio->cw_breakin) {
transmit_specific_buffer[5]|=0x80;
}
transmit_specific_buffer[6]=radio->cw_keyer_sidetone_volume; // sidetone off
transmit_specific_buffer[7]=radio->cw_keyer_sidetone_frequency>>8;
transmit_specific_buffer[8]=radio->cw_keyer_sidetone_frequency; // sidetone frequency
transmit_specific_buffer[9]=radio->cw_keyer_speed; // cw keyer speed
transmit_specific_buffer[10]=radio->cw_keyer_weight; // cw weight
transmit_specific_buffer[11]=radio->cw_keyer_hang_time>>8;
transmit_specific_buffer[12]=radio->cw_keyer_hang_time; // cw hang delay
transmit_specific_buffer[13]=0; // rf delay
transmit_specific_buffer[50]=0;
if(radio->mic_linein) {
transmit_specific_buffer[50]|=0x01;
}
if(radio->mic_boost) {
transmit_specific_buffer[50]|=0x02;
}
if(radio->mic_ptt_enabled==0) { // set if disabled
transmit_specific_buffer[50]|=0x04;
}
if(radio->mic_ptt_tip_bias_ring) {
transmit_specific_buffer[50]|=0x08;
}
if(radio->mic_bias_enabled) {
transmit_specific_buffer[50]|=0x10;
}
}
if(radio!=NULL) {
transmit_specific_buffer[51]=radio->linein_gain;
}
if(sendto(data_socket,transmit_specific_buffer,sizeof(transmit_specific_buffer),0,(struct sockaddr*)&transmitter_addr,transmitter_addr_length)<0) {
fprintf(stderr,"sendto socket failed for tx specific: sequence=%ld\n",tx_specific_sequence);
}
tx_specific_sequence++;
}
void protocol2_receive_specific() {
int i;
memset(receive_specific_buffer, 0, sizeof(receive_specific_buffer));
receive_specific_buffer[0]=rx_specific_sequence>>24;
receive_specific_buffer[1]=rx_specific_sequence>>16;
receive_specific_buffer[2]=rx_specific_sequence>>8;
receive_specific_buffer[3]=rx_specific_sequence;
receive_specific_buffer[4]=2; // 2 ADCs
if(radio!=NULL) {
for(i=0;i<2;i++) {
receive_specific_buffer[5]|=radio->adc[i].dither<<i; // dither enable
receive_specific_buffer[6]|=radio->adc[i].random<<i; // random enable
}
for(i=0;i<radio->discovered->supported_receivers;i++) {
if(radio->receiver[i]!=NULL) {
receive_specific_buffer[7]|=(1<<radio->receiver[i]->channel); // DDC enable