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check if tuned on frequency

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This commit is contained in:
adrian 2011-11-24 18:17:13 +02:00
parent ff89b81197
commit a551bf671c
1 changed files with 15 additions and 13 deletions
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28
src/Radio/radio.cxx
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@ -77,8 +77,7 @@ double FGRadio::getFrequency(int radio) {
/*** TODO: receive multiplayer chat message and voice
***/
void FGRadio::receiveChat(SGGeod tx_pos, double freq, string text,
int ground_to_air) {
void FGRadio::receiveChat(SGGeod tx_pos, double freq, string text, int ground_to_air) {
}
@ -100,18 +99,17 @@ double FGRadio::receiveNav(SGGeod tx_pos, double freq, int transmission_type) {
/*** Receive ATC radio communication as text
***/
void FGRadio::receiveATC(SGGeod tx_pos, double freq, string text,
int ground_to_air) {
void FGRadio::receiveATC(SGGeod tx_pos, double freq, string text, int ground_to_air) {
/*
double comm1 = getFrequency(1);
double comm2 = getFrequency(2);
if ( (freq != comm1) && (freq != comm2) ) {
cerr << "Frequency not tuned: " << freq << " Radio1: " << comm1 << " Radio2: " << comm2 << endl;
if ( !(fabs(freq - comm1) <= 0.0001) && !(fabs(freq - comm2) <= 0.0001) ) {
//cerr << "Frequency not tuned: " << freq << " Radio1: " << comm1 << " Radio2: " << comm2 << endl;
return;
}
else {
*/
if ( _propagation_model == 0) {
fgSetString("/sim/messages/atc", text.c_str());
}
@ -127,6 +125,9 @@ void FGRadio::receiveATC(SGGeod tx_pos, double freq, string text,
SG_LOG(SG_GENERAL, SG_BULK, "Signal completely readable: " << signal);
//cerr << "Signal completely readable: " << signal << endl;
fgSetString("/sim/messages/atc", text.c_str());
/** write signal strength above threshold to the property tree
* to implement a simple S-meter just divide by 3 dB per grade (VHF norm)
**/
fgSetDouble("/sim/radio/comm1-signal", signal);
}
}
@ -168,20 +169,22 @@ void FGRadio::receiveATC(SGGeod tx_pos, double freq, string text,
SG_LOG(SG_GENERAL, SG_BULK, "Signal completely readable: " << signal);
//cerr << "Signal completely readable: " << signal << endl;
fgSetString("/sim/messages/atc", text.c_str());
/** write signal strength above threshold to the property tree
* to implement a simple S-meter just divide by 3 dB per grade (VHF norm)
**/
fgSetDouble("/sim/radio/comm1-signal", signal);
}
}
//}
}
}
/*** Implement radio attenuation
based on the Longley-Rice propagation model
***/
double FGRadio::ITM_calculate_attenuation(SGGeod pos, double freq,
int transmission_type) {
double FGRadio::ITM_calculate_attenuation(SGGeod pos, double freq, int transmission_type) {
@ -378,8 +381,7 @@ double FGRadio::ITM_calculate_attenuation(SGGeod pos, double freq,
/*** implement simple LOS propagation model (WIP)
***/
double FGRadio::LOS_calculate_attenuation(SGGeod pos, double freq,
int transmission_type) {
double FGRadio::LOS_calculate_attenuation(SGGeod pos, double freq, int transmission_type) {
double frq_mhz;
if( (freq < 118.0) || (freq > 137.0) )
frq_mhz = 125.0; // sane value, middle of bandplan