Temperature sensor library errors

temp.h: #ifndef temp_h
#define temp_h
 
#include <arduino.h>
 
class temp {
public:
        temp();
        ~temp();
        void tmp(string u, int x);
};
 
#endif

temp.cpp: #include "temp.h"
 
}
 
//<<destructor>>
temp::~temp()
 
 

void temp::tmp(string u, int x){
       int sv = analogread(x);
    if  (u == "f") {
      float tmpf = (((sv * 5 / 1024) - 0.5) * 100) * 1.8 + 32;
    }
    if  (u == "c") {
      float tmpc = (((sv * 5 / 1024) - 0.5) * 100);
    }
     if  (u == "k") {
      float tmpk = (((sv * 5 / 1024) - 0.5) * 100) + 273.15;
    }
    if ( u == "f") {
      return tmpf;
    }
    if ( u == "c") {
      return tmpc;
    }
    if ( u == "k") {
      return tmpk;
    }
}

keywords.txt: temp   keyword1
tmp   keyword2



error message: arduino: 1.8.3 (windows xp), board: "arduino/genuino uno"

c:\documents , settings\mbryant\my documents\arduino\sketch_aug05b\sketch_aug05b.ino: in function 'void loop()':

sketch_aug05b:10: error: 'f' not declared in scope

    serial.println(tmp(f, 3));

                       ^

sketch_aug05b:10: error: 'tmp' not declared in scope

    serial.println(tmp(f, 3));

                           ^

exit status 1
'f' not declared in scope

this report have more information with
"show verbose output during compilation"
option enabled in file -> preferences.

main code: #include <temp.h>


void setup() {
  // put setup code here, run once:
serial.begin(9600);
}

void loop() {
   serial.println(tmp(f, 3));

}

sorry, rushed, new libraries, can me fix this?

quote from: endy on aug 06, 2017, 06:00 am

this rushed,

evidently.
you might explain think problem is, , intentions are.

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