Checking timer intervals for waterfall display.
Glib::signal_timeout().connect(sigc::mem_fun(*this, &Waterfall::on_timeout), 70 );
The timeout interval is set to 70mS.
void cout_gettimeofday_diff(string myid, timeval t0, timeval t1) {
if (t1.tv_usec < t0.tv_usec) {
cout << myid << t1.tv_sec - t0.tv_sec -1
<< "." << setfill('0') << setw(6) << 1000000 + t1.tv_usec - t0.tv_usec << endl;
} else {
cout << myid << t1.tv_sec - t0.tv_sec
<< "." << setfill('0') << setw(6) << t1.tv_usec - t0.tv_usec << endl;
}
}
bool Waterfall::on_timeout() {
static struct timeval t1, t1b4;
gettimeofday(&t1, NULL);
cout_gettimeofday_diff("Waterfall::on_timeout: interval: ", t1b4, t1);
t1b4 = t1;
}
Waterfall::on_timeout: interval: 0.080361 Waterfall::on_timeout: interval: 0.073704 Waterfall::on_timeout: interval: 0.070262 Waterfall::on_timeout: interval: 0.070617 Waterfall::on_timeout: interval: 0.070572 Waterfall::on_timeout: interval: 0.070265 Waterfall::on_timeout: interval: 0.073217 Waterfall::on_timeout: interval: 0.070718 Waterfall::on_timeout: interval: 0.070061 Waterfall::on_timeout: interval: 0.070185 Waterfall::on_timeout: interval: 0.070964 Waterfall::on_timeout: interval: 0.074634 Waterfall::on_timeout: interval: 0.070707 Waterfall::on_timeout: interval: 0.070519 Waterfall::on_timeout: interval: 0.070174 Waterfall::on_timeout: interval: 0.070825 Waterfall::on_timeout: interval: 0.073477 Waterfall::on_timeout: interval: 0.070414 Waterfall::on_timeout: interval: 0.070088 Waterfall::on_timeout: interval: 0.070097 Waterfall::on_timeout: interval: 0.071018 Waterfall::on_timeout: interval: 0.070920 Waterfall::on_timeout: interval: 0.070908 Waterfall::on_timeout: interval: 0.070211
% R > x <- read.csv("ttt.txt") > hist(x[,1], col="orange", breaks=200)