JensGrabner

/*

This revision includes the modified display output to the LCD

mcp adress = 0x68
 
sr= Sample Rate Selection 
sr=0  ; 00 = 240 SPS (12 bits),
sr=1  ; 01 = 60 SPS (14 bits),
sr=2  ; 10 = 15 SPS (16 bits),

JensGrabner

You can use this class in the same way you use "int".
The following operators are available:
  + - * /
  ++ -- 
  += -= *= /=
  < > <= >= == !=
  << >>
 
For example:
  RationalNum a, b;

JensGrabner

/*
Just like integer division, these functions round down to an integer.
Running this program should produce the following output:

sqrt(3735928559) == 61122
61122^2 == 3735898884
sqrt(244837814094590) == 15647294
15647294^2 == 244837809522436

This algorithm comes from Jack W. Crenshaw's 1998 article in Embedded:

JensGrabner

#include?"Wire.h"
#define?tcn75address?0x4F?// with pins 5~7 set to GND, the device address is 0x48

void setup()
{
??Wire.begin();                      // wake up I2C bus 
??Serial.begin(115200);
}

float tcn75_getTemperature(int address)

JensGrabner

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <math.h>

#define CHECKMALLOC(var) if((var) == NULL) {printf("ERROR: malloc\n");abort();}

#define MAXOPSTACK 64
#define MAXNUMSTACK 64