/**
* Set the QNH setting of the V7 vario
*/
static inline bool
SetQNH(Port &port, OperationEnvironment &env, const AtmosphericPressure &qnh)
{
char buffer[100];
unsigned QNHinPascal = uround(qnh.GetPascal());
sprintf(buffer, "PLXV0,QNH,W,%u", QNHinPascal);
return PortWriteNMEA(port, buffer, env);
}
static bool
test_qnh_round2()
{
AtmosphericPressure sp = AtmosphericPressure::Standard().QNHAltitudeToStaticPressure(fixed(100));
AtmosphericPressure pres =
AtmosphericPressure::FindQNHFromPressure(sp, fixed(120));
fixed h0 = pres.StaticPressureToQNHAltitude(pres);
if (verbose) {
printf("%g %g\n", FIXED_DOUBLE(pres.GetPascal()), FIXED_DOUBLE(h0));
}
return fabs(h0)<fixed(1);
}