本文整理汇总了C++中NMEAInfo::ProvideDynamicPressure方法的典型用法代码示例。如果您正苦于以下问题：C++ NMEAInfo::ProvideDynamicPressure方法的具体用法？C++ NMEAInfo::ProvideDynamicPressure怎么用？C++ NMEAInfo::ProvideDynamicPressure使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类NMEAInfo的用法示例。
在下文中一共展示了NMEAInfo::ProvideDynamicPressure方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: while
bool
OpenVarioDevice::POV(NMEAInputLine &line, NMEAInfo &info)
{
/*
* Type definitions:
*
* E: TE vario in m/s
* P: static pressure in hPa
* Q: dynamic pressure in Pa
* R: total pressure in hPa
* S: true airspeed in km/h
* T: temperature in deg C
*/
while (!line.IsEmpty()) {
char type = line.ReadOneChar();
if (type == '\0')
break;
fixed value;
if (!line.ReadChecked(value))
break;
switch (type) {
case 'E': {
info.ProvideTotalEnergyVario(value);
break;
}
case 'P': {
AtmosphericPressure pressure = AtmosphericPressure::HectoPascal(value);
info.ProvideStaticPressure(pressure);
break;
}
case 'Q': {
AtmosphericPressure pressure = AtmosphericPressure::Pascal(value);
info.ProvideDynamicPressure(pressure);
break;
}
case 'R': {
AtmosphericPressure pressure = AtmosphericPressure::HectoPascal(value);
info.ProvidePitotPressure(pressure);
break;
}
case 'S': {
value = Units::ToSysUnit(value, Unit::KILOMETER_PER_HOUR);
info.ProvideTrueAirspeed(value);
break;
}
case 'T': {
info.temperature = CelsiusToKelvin(value);
info.temperature_available = true;
break;
}
}
}
return true;
}示例2: fixed
static bool
ParseData(NMEAInputLine &line, NMEAInfo &info)
{
// $PCPROBE,T,Q0,Q1,Q2,Q3,ax,ay,az,temp,rh,batt,delta_press,abs_press,C,
// see http://www.compassitaly.com/CMS/index.php/en/download/c-probe/231-c-probeusermanual/download
unsigned _q[4];
bool q_available = line.ReadHexChecked(_q[0]);
if (!line.ReadHexChecked(_q[1]))
q_available = false;
if (!line.ReadHexChecked(_q[2]))
q_available = false;
if (!line.ReadHexChecked(_q[3]))
q_available = false;
if (q_available) {
fixed q[4];
for (unsigned i = 0; i < 4; ++i)
// Cast to int16_t to interpret the 16th bit as the sign bit
q[i] = fixed((int16_t)_q[i]) / 1000;
fixed sin_pitch = -2 * (q[0] * q[2] - q[3] * q[1]);
if (sin_pitch <= fixed(1) && sin_pitch >= fixed(-1)) {
info.attitude.pitch_angle_available = true;
info.attitude.pitch_angle = Angle::asin(sin_pitch);
Angle heading = Angle::HalfCircle() +
Angle::FromXY(sqr(q[3]) - sqr(q[0]) - sqr(q[1]) + sqr(q[2]),
Double(q[1] * q[2] + q[3] * q[0]));
info.attitude.heading_available.Update(info.clock);
info.attitude.heading = heading;
Angle roll = Angle::FromXY(sqr(q[3]) + sqr(q[0]) - sqr(q[1]) - sqr(q[2]),
Double(q[0] * q[1] + q[3] * q[2]));
info.attitude.bank_angle_available = true;
info.attitude.bank_angle = roll;
}
}
unsigned _a[3];
bool a_available = line.ReadHexChecked(_a[0]);
if (!line.ReadHexChecked(_a[1]))
a_available = false;
if (!line.ReadHexChecked(_a[2]))
a_available = false;
if (a_available) {
fixed a[3];
for (unsigned i = 0; i < 3; ++i)
// Cast to int16_t to interpret the 16th bit as the sign bit
a[i] = fixed((int16_t)_a[i]) / 1000;
info.acceleration.ProvideGLoad(sqrt(sqr(a[0]) + sqr(a[1]) + sqr(a[2])), true);
}
unsigned temperature;
if (line.ReadHexChecked(temperature)) {
info.temperature_available = true;
info.temperature = CelsiusToKelvin(fixed((int16_t)temperature) / 10);
}
unsigned humidity;
if (line.ReadHexChecked(humidity)) {
info.humidity_available = true;
info.humidity = fixed((int16_t)humidity) / 10;
}
unsigned battery_level;
if (line.ReadHexChecked(battery_level)) {
info.battery_level_available.Update(info.clock);
info.battery_level = fixed((int16_t)battery_level);
}
unsigned _delta_pressure;
if (line.ReadHexChecked(_delta_pressure)) {
fixed delta_pressure = fixed((int16_t)_delta_pressure) / 10;
info.ProvideDynamicPressure(AtmosphericPressure::Pascal(delta_pressure));
}
return true;
}