Conversions.cpp File Reference

#include "Conversions.hpp"
#include <math.h>

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Functions
uint16_t	convertLightStatesIntoFinalState (const uint8_t headlight, const uint8_t brakes, const uint8_t blinkerLeft, const uint8_t blinkerRight, const uint8_t scenario1, const uint8_t scenario2, const uint8_t scenario3)
float	calculateVelocityByRpm (const int64_t motor_erpm, const float r_dyn, const float i_g, const float i_a)
int64_t	calculateRpmByVelocity (const float velocity, const float r_dyn, const float i_g, const float i_a)

Function Documentation

calculateRpmByVelocity()

int64_t calculateRpmByVelocity	(	const float	velocity,
		const float	r_dyn,
		const float	i_g,
		const float	i_a
	)

Definition at line 38 of file Conversions.cpp.

                     {
  if(r_dyn == 0.0f) {
    return 0;
  }
 
  const float rpm =
      (60.0 * i_g * i_a * velocity) / (2.0 * r_dyn * M_PI);
 
  return rpm;
}

calculateVelocityByRpm()

float calculateVelocityByRpm	(	const int64_t	motor_erpm,
		const float	r_dyn,
		const float	i_g,
		const float	i_a
	)

Definition at line 23 of file Conversions.cpp.

                     {
  if(i_g == 0.0f || i_a == 0.0f) {
    return 0;
  }
 
  const float velocity =
      (2.0 * r_dyn * motor_erpm * M_PI) / (60.0 * i_g * i_a);
 
  return velocity;
}

convertLightStatesIntoFinalState()

uint16_t convertLightStatesIntoFinalState	(	const uint8_t	headlight,
		const uint8_t	brakes,
		const uint8_t	blinkerLeft,
		const uint8_t	blinkerRight,
		const uint8_t	scenario1,
		const uint8_t	scenario2,
		const uint8_t	scenario3
	)

Definition at line 4 of file Conversions.cpp.

                             {
  uint16_t output = (uint16_t)(scenario3 & 0x3) << 12;
  output |= (uint16_t)(scenario2 & 0x3) << 10;
  output |= (uint16_t)(scenario1 & 0x3) << 8;
  output |= (uint16_t)(brakes & 0x3) << 6;
  output |= (uint16_t)(blinkerRight & 0x3) << 4;
  output |= (uint16_t)(blinkerLeft & 0x3) << 2;
  output |= (uint16_t)(headlight & 0x3);
 
  return output;
}

Referenced by ECUNode::motion_callback().

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