volume_flow_rate.cpp

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#include "roo_quantity/volume_flow_rate.h"
 
namespace roo_quantity {
namespace {
 
void VolumeFlowRateToString(const VolumeFlowRate& val, char* out, int maxlen) {
  if (val.isUnknown()) {
    strncpy(out, "? m³/s", maxlen);
  } else {
    const char* format;
    float num;
    if (val > VolumeFlowRateInCubicMetersPerSecond(1.0f)) {
      format = "%g m³/s";
      num = val.inCubicMetersPerSecond();
    } else if (val > VolumeFlowRateInLitersPerSecond(1.0f)) {
      format = "%g L/s";
      num = val.inLitersPerSecond();
    } else {
      format = "%g mL/s";
      num = val.inMillilitersPerSecond();
    }
    snprintf(out, maxlen, format, num);
  }
}
 
}  // namespace
 
#if defined(ESP32) || defined(ESP8266) || defined(__linux__)
 
std::string VolumeFlowRate::asString() const {
  char out[16];
  VolumeFlowRateToString(*this, out, 16);
  return out;
}
 
#endif
 
#if defined(ARDUINO)
 
String VolumeFlowRate::asArduinoString() const {
  char out[16];
  VolumeFlowRateToString(*this, out, 16);
  return out;
}
 
#endif
 
roo_logging::Stream& operator<<(roo_logging::Stream& os, const VolumeFlowRate& val) {
  char out[16];
  VolumeFlowRateToString(val, out, 16);
  os << out;
  return os;
}
 
}  // namespace roo_quantity