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QRP_LABS_WSPR
kopia lustrzana https://github.com/roncarr880/QRP_LABS_WSPR
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roncarr880 2020-08-18 20:34:08 -04:00 zatwierdzone przez GitHub
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QRP_LABS_WSPR.ino
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@ -47,8 +47,8 @@
//#define CLK_UPDATE_AMT 10 // amount in factional hz, 1/100 hz
#define CLK_UPDATE_THRESHOLD 59 // errors allowed per minute to consider valid sync to WWVB
#define CLK_UPDATE_THRESHOLD2 46 // 2nd algorithm
#define SUB_ERROR 0 // maybe account for time error of weak wwvb signal when defined as 1
#define DEADBAND 20
// #define SUB_ERROR 0 // maybe account for time error of weak wwvb signal when defined as 1
#define DEADBAND 10 // signal deadband
#define stage(c) Serial.write(c)
@ -1212,10 +1212,10 @@ int loops;
int cnt;
// static uint64_t wwvb_data, wwvb_sync, wwvb_errors; // defeat this algorithm by not using the globals
tm = tm - SUB_ERROR * ( err >> 1 );
if( tm < 0 ) tm += 1000;
// tm = tm - SUB_ERROR * ( err >> 1 );
// if( tm < 0 ) tm += 1000;
if( tm > 1000 - DEADBAND || tm < DEADBAND ) tm = 0; // deadband for clock corrections
loops = last_time_error/100; // loop 1,2,3,4,5 times for error <100, <200, <300, <400, <500
if( loops < 0 ) loops = -loops;
++loops;
@ -1230,10 +1230,11 @@ int cnt;
if( err < last_error_count ){
t = ( tm < 500 ) ? -1 : 1 ;
if( tm == 0 ) t = 0;
cnt = CLK_UPDATE_THRESHOLD2 - err + 1;
last_time_error = ( tm < 500 ) ? tm : tm - 1000 ;
cnt = CLK_UPDATE_THRESHOLD2 - err + 1;
last_time_error = constrain(last_time_error,-10*cnt,10*cnt);
last_time_error += t;
last_time_error = constrain(last_time_error,-10*cnt,10*cnt);
// last_time_error += t;
last_error_count = err; // new threshold
val_print = '*';
}