Преобразование кода

LabVIEW Interface for Arduino Toolkit
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Di B
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Преобразование кода

Сообщение Di B »

Здравствуйте! Помогите преобразовать код ардуино в проект лабвью. Надо подключить сенсор ВМР180 к FPGA и взаимодействовать. Код ардуино мне не знаком, чем можно заменить его функции в лабвью?

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Код: Выделить всё

//Arduino 1.0+ Only
//Arduino 1.0+ Only

Get pressure, altitude, and temperature from the BMP085.
Serial.print it out at 9600 baud to serial monitor.
*/

#include <Wire.h>

#define BMP085_ADDRESS 0x77
// I2C address of BMP085

const unsigned char OSS = 0;
// Oversampling Setting

// Calibration values
int ac1;
int ac2;
int ac3;
unsigned int ac4;
unsigned int ac5;
unsigned int ac6;
int b1;
int b2;
int mb;
int mc;
int md;

// b5 is calculated in bmp085GetTemperature(...), this variable is also used in bmp085GetPressure(...)

// so ...Temperature(...) must be called before ...Pressure(...).
long b5; 

void setup(){
  Serial.begin(9600);
  Wire.begin();

  bmp085Calibration();
}

void loop()
{
  float temperature = bmp085GetTemperature(bmp085ReadUT()); 
//MUST be called first
  float pressure = bmp085GetPressure(bmp085ReadUP());
  float atm = pressure / 101325; 
// "standard atmosphere"
  float altitude = calcAltitude(pressure); 
//Uncompensated caculation - in Meters 

  Serial.print("Temperature: ");
  Serial.print(temperature, 2); 
//display 2 decimal places
  Serial.println("deg C");

  Serial.print("Pressure: ");
  Serial.print(pressure, 0); 
//whole number only.
  Serial.println(" Pa");

  Serial.print("Standard Atmosphere: ");
  Serial.println(atm, 4); 
//display 4 decimal places

  Serial.print("Altitude: ");
  Serial.print(altitude, 2); 
//display 2 decimal places
  Serial.println(" M");

  Serial.println();
//line break

  delay(1000); 
//wait a second and get values again.
}

// Stores all of the bmp085's calibration values into global variables

// Calibration values are required to calculate temp and pressure

// This function should be called at the beginning of the program
void bmp085Calibration()
{

ac1 = bmp085ReadInt(0xAA);
  ac2 = bmp085ReadInt(0xAC);
  ac3 = bmp085ReadInt(0xAE);
  ac4 = bmp085ReadInt(0xB0);
  ac5 = bmp085ReadInt(0xB2);
  ac6 = bmp085ReadInt(0xB4);
b1 = bmp085ReadInt(0xB6);
  b2 = bmp085ReadInt(0xB8);

mb = bmp085ReadInt(0xBA);
  mc = bmp085ReadInt(0xBC);
  md = bmp085ReadInt(0xBE);
}

// Calculate temperature in deg C
float bmp085GetTemperature(unsigned int ut){
  long x1, x2;

x1 = (((long)ut - (long)ac6)*(long)ac5) >> 15;
  x2 = ((long)mc << 11)/(x1 + md);

b5 = x1 + x2;

  float temp = ((b5 + 8)>>4);
  temp = temp /10;

  return temp;
}

// Calculate pressure given up

// calibration values must be known

// b5 is also required so bmp085GetTemperature(...) must be called first.

// Value returned will be pressure in units of Pa.
long bmp085GetPressure(unsigned long up){
  long x1, x2, x3, b3, b6, p;
  unsigned long b4, b7;

  b6 = b5 - 4000;
  
// Calculate B3
  x1 = (b2 * (b6 * b6)>>12)>>11;
  x2 = (ac2 * b6)>>11;
  x3 = x1 + x2;
  
b3 = (((((long)ac1)*4 + x3)<<OSS) + 2)>>2;

  // Calculate B4
  x1 = (ac3 * b6)>>13;
  x2 = (b1 * ((b6 * b6)>>12))>>16;
  x3 = ((x1 + x2) + 2)>>2;
  b4 = (ac4 * (unsigned long)(x3 + 32768))>>15;

  b7 = ((unsigned long)(up - b3) * (50000>>OSS));
  
if (b7 < 0x80000000)
    p = (b7<<1)/b4;
  else
    p = (b7/b4)<<1;

  x1 = (p>>8) * (p>>8);
  x1 = (x1 * 3038)>>16;
  x2 = (-7357 * p)>>16;
  
p += (x1 + x2 + 3791)>>4;

  long temp = p;
  return temp;
}

// Read 1 byte from the BMP085 at 'address'
char bmp085Read(unsigned char address)
{
  unsigned char data;
  
Wire.beginTransmission(BMP085_ADDRESS);
  Wire.write(address);
  Wire.endTransmission();

  Wire.requestFrom(BMP085_ADDRESS, 1);
  while(!Wire.available())
    ;

  return Wire.read();
}

// Read 2 bytes from the BMP085

// First byte will be from 'address'

// Second byte will be from 'address'+1
int bmp085ReadInt(unsigned char address)
{
  
unsigned char msb, lsb;

  Wire.beginTransmission(BMP085_ADDRESS);
  Wire.write(address);
  
Wire.endTransmission();

  Wire.requestFrom(BMP085_ADDRESS, 2);
  while(Wire.available()<2)
    
;
  msb = Wire.read();
  lsb = Wire.read();

  return (int) msb<<8 | lsb;
}

// Read the uncompensated temperature value
unsigned int bmp085ReadUT()
{
  unsigned int ut;

  // Write 0x2E into Register 0xF4
  // This requests a temperature reading
  Wire.beginTransmission(BMP085_ADDRESS);
  Wire.write(0xF4);
  Wire.write(0x2E);
  Wire.endTransmission();

  // Wait at least 4.5ms
  delay(5);

  // Read two bytes from registers 0xF6 and 0xF7
  ut = bmp085ReadInt(0xF6);
  return ut;
}

// Read the uncompensated pressure value
unsigned long bmp085ReadUP(){

  unsigned char msb, lsb, xlsb;
  unsigned long up = 0;
  
// Write 0x34+(OSS<<6) into register 0xF4
  
// Request a pressure reading w/ oversampling setting
  Wire.beginTransmission(BMP085_ADDRESS);
  Wire.write(0xF4);
  Wire.write(0x34 + (OSS<<6));
  Wire.endTransmission();

  // Wait for conversion, delay time dependent on OSS
  delay(2 + (3<<OSS));

  // Read register 0xF6 (MSB), 0xF7 (LSB), and 0xF8 (XLSB)
  msb = bmp085Read(0xF6);
  lsb = bmp085Read(0xF7);
  xlsb = bmp085Read(0xF8);

  up = (((unsigned long) msb << 16) 
| ((unsigned long) lsb << 8) 
| (unsigned long) xlsb) >> (8-OSS);

  return up;
}

void writeRegister(int deviceAddress, byte address, byte val) 
{
  Wire.beginTransmission(deviceAddress); 
// start transmission to device 
  Wire.write(address);       
// send register address
  Wire.write(val);         
// send value to write
  Wire.endTransmission();     
// end transmission
}

int readRegister(int deviceAddress, byte address){
  
int v;
  Wire.beginTransmission(deviceAddress);
  Wire.write(address); 
// register to read
  Wire.endTransmission();

  Wire.requestFrom(deviceAddress, 1); 
// read a byte

  while(!Wire.available()) {
    
// waiting
  }

  v = Wire.read();
  return v;
}

float calcAltitude(float pressure)
{

  float A = pressure/101325;
  float B = 1/5.25588;
  float C = pow(A,B);
  C = 1 - C;
  C = C /0.0000225577;

  return C;
}
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