../Wire/Wire.h: No such file or directory???

brunokc · May 19, 2016, 7:25pm

I know there are many threads with this stuff, but I can not get any of them to work.

I have read that you must #include <Wire.h> two places, but I can not really figure out where it is.

this is what I'm trying to get to work:

someone who can help.

I get this error:

C:\Users\Uno\Documents\Arduino\Tutorial_I2C_LCD\Tutorial_I2C_LCD.ino:1:27: fatal error: ../Wire/Wire.h: No such file or directory

  #include "../Wire/Wire.h"

                           ^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

/Bruno, Denmark

system · May 19, 2016, 7:30pm

(deleted)

system · May 19, 2016, 7:39pm

(deleted)

brunokc · May 19, 2016, 7:56pm

spycatcher2k:
It's up to you to supply the code, not for us to hunt it down

sorry, I just thought it was all in would ask about.

spycatcher2k:
Open Tutorial_I2C_LCD.ino

find : #include "../Wire/Wire.h"
change it to #include <Wire.h>

I tried it, but the error is the same.

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:35:26: fatal error: ../Wire/Wire.h: No such file or directory

#include <../Wire/Wire.h>

                         ^

compilation terminated.

exit status 1
Error compiling for board Arduino/Genuino Uno.

here is the code i am using:

#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>

#define I2C_ADDR 0x27 // <<- Add your address here.
#define Rs_pin 0
#define Rw_pin 1
#define En_pin 2
#define BACKLIGHT_PIN 3
#define D4_pin 4
#define D5_pin 5
#define D6_pin 6
#define D7_pin 7



LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);

void setup()
{
 lcd.begin (20,4); // <<-- our LCD is a 20x4, change for your LCD if needed

// LCD Backlight ON
lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
lcd.setBacklight(HIGH);

lcd.home (); // go home on LCD
lcd.print("Range Finder HC-SR04"); 
}

void loop()
{

}

system · May 19, 2016, 7:59pm

(deleted)

system · May 19, 2016, 7:59pm

(deleted)

system · May 19, 2016, 8:03pm

(deleted)

brunokc · May 19, 2016, 8:16pm

sorry but i was trying to edit poste to include the code. but there was a 5 min timer.

now it say:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:41:1: error: 'I2CIO' does not name a type

I2CIO::I2CIO ( )

^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:54:5: error: 'I2CIO' has not been declared

int I2CIO::begin (  uint8_t i2cAddr )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int begin(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:56:4: error: '_i2cAddr' was not declared in this scope

   _i2cAddr = i2cAddr;

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:58:4: error: 'Wire' was not declared in this scope

   Wire.begin ( );

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:60:4: error: '_initialised' was not declared in this scope

   _initialised = Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:65:4: error: '_shadow' was not declared in this scope

   _shadow = Wire.read (); // Remove the byte read don't need it.

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:73:6: error: 'I2CIO' has not been declared

void I2CIO::pinMode ( uint8_t pin, uint8_t dir )

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'void pinMode(uint8_t, uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:75:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:79:10: error: '_dirMask' was not declared in this scope

         _dirMask &= ~( 1 << pin );

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:83:10: error: '_dirMask' was not declared in this scope

         _dirMask |= ( 1 << pin );

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:90:6: error: 'I2CIO' has not been declared

void I2CIO::portMode ( uint8_t dir )

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'void portMode(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:93:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:97:10: error: '_dirMask' was not declared in this scope

         _dirMask = 0xFF;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:101:10: error: '_dirMask' was not declared in this scope

         _dirMask = 0x00;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:108:9: error: 'I2CIO' has not been declared

uint8_t I2CIO::read ( void )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'uint8_t read()':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:112:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:114:7: error: 'Wire' was not declared in this scope

      Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:114:26: error: '_i2cAddr' was not declared in this scope

      Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

                         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:118:18: error: '_dirMask' was not declared in this scope

      retVal = ( _dirMask & Wire.read ( ) );

                 ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:127:5: error: 'I2CIO' has not been declared

int I2CIO::write ( uint8_t value )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int write(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:131:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:135:7: error: '_shadow' was not declared in this scope

      _shadow = ( value & ~(_dirMask) );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:135:29: error: '_dirMask' was not declared in this scope

      _shadow = ( value & ~(_dirMask) );

                            ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:137:7: error: 'Wire' was not declared in this scope

      Wire.beginTransmission ( _i2cAddr );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:137:32: error: '_i2cAddr' was not declared in this scope

      Wire.beginTransmission ( _i2cAddr );

                               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:150:9: error: 'I2CIO' has not been declared

uint8_t I2CIO::digitalRead ( uint8_t pin )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'uint8_t digitalRead(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:150:42: error: new declaration 'uint8_t digitalRead(uint8_t)'

uint8_t I2CIO::digitalRead ( uint8_t pin )

                                         ^

In file included from C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:30:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:127:5: error: ambiguates old declaration 'int digitalRead(uint8_t)'

int digitalRead(uint8_t);

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:156:11: error: '_initialised' was not declared in this scope

   if ( ( _initialised ) && ( pin <= 7 ) )

          ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:159:16: error: invalid use of 'this' in non-member function

      pinVal = this->read() & _dirMask;

               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:159:31: error: '_dirMask' was not declared in this scope

      pinVal = this->read() & _dirMask;

                              ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:167:5: error: 'I2CIO' has not been declared

int I2CIO::digitalWrite ( uint8_t pin, uint8_t level )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int digitalWrite(uint8_t, uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:167:54: error: new declaration 'int digitalWrite(uint8_t, uint8_t)'

int I2CIO::digitalWrite ( uint8_t pin, uint8_t level )

                                                     ^

In file included from C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:30:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:126:6: error: ambiguates old declaration 'void digitalWrite(uint8_t, uint8_t)'

void digitalWrite(uint8_t, uint8_t);

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:174:11: error: '_initialised' was not declared in this scope

   if ( ( _initialised ) && ( pin <= 7 ) )

          ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:178:34: error: '_dirMask' was not declared in this scope

      writeVal = ( 1 << pin ) & ~_dirMask;

                                 ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:181:10: error: '_shadow' was not declared in this scope

         _shadow |= writeVal;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:186:10: error: '_shadow' was not declared in this scope

         _shadow &= ~writeVal;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:188:16: error: invalid use of 'this' in non-member function

      status = this->write ( _shadow );

               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:188:30: error: '_shadow' was not declared in this scope

      status = this->write ( _shadow );

                             ^

exit status 1
Error compiling for board Arduino/Genuino Uno.

system · May 19, 2016, 10:29pm

So, now you have a problem with another file that you didn't post. You don't get it, do you? WE CAN"T SEE YOUR CODE!

brunokc · May 20, 2016, 6:43am

i postede it in a commern, highere op.... :o

#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>

#define I2C_ADDR 0x27 // <<- Add your address here.
#define Rs_pin 0
#define Rw_pin 1
#define En_pin 2
#define BACKLIGHT_PIN 3
#define D4_pin 4
#define D5_pin 5
#define D6_pin 6
#define D7_pin 7



LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);

void setup()
{
 lcd.begin (20,4); // <<-- our LCD is a 20x4, change for your LCD if needed

// LCD Backlight ON
lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
lcd.setBacklight(HIGH);

lcd.home (); // go home on LCD
lcd.print("Range Finder HC-SR04"); 
}

void loop()
{

}

system · May 20, 2016, 4:56pm

brunokc:
i postede it in a commern, highere op.... :o

That is NOT the code that is generating the error. Read the messages. Edit or post the appropriate file.

brunokc · May 20, 2016, 5:29pm

is it not?

do you mean the code I try to upload from Arduino 1.6.8 for my uno?
for it is the code I'm trying to upload, I'm just trying to get it to write "Range Finder HC-SR04" on the screen.

to see that it works

#include <Wire.h>
#include <LCD.h>
#include <LiquidCrystal_I2C.h>

#define I2C_ADDR 0x27 // <<- Add your address here.
#define Rs_pin 0
#define Rw_pin 1
#define En_pin 2
#define BACKLIGHT_PIN 3
#define D4_pin 4
#define D5_pin 5
#define D6_pin 6
#define D7_pin 7



LiquidCrystal_I2C lcd(I2C_ADDR,En_pin,Rw_pin,Rs_pin,D4_pin,D5_pin,D6_pin,D7_pin);

void setup()
{
lcd.begin (20,4); // <<-- our LCD is a 20x4, change for your LCD if needed

// LCD Backlight ON
lcd.setBacklightPin(BACKLIGHT_PIN,POSITIVE);
lcd.setBacklight(HIGH);

lcd.home (); // go home on LCD
lcd.print("Range Finder HC-SR04"); 
}

void loop()
{

}

cattledog · May 20, 2016, 5:37pm

And what errors is the code in post #11 giving you?

system · May 20, 2016, 5:41pm

(deleted)

brunokc · May 20, 2016, 5:58pm

cattledog:
And what errors is the code in post #11 giving you?

this is the error message

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:41:1: error: 'I2CIO' does not name a type

I2CIO::I2CIO ( )

^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:54:5: error: 'I2CIO' has not been declared

int I2CIO::begin (  uint8_t i2cAddr )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int begin(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:56:4: error: '_i2cAddr' was not declared in this scope

   _i2cAddr = i2cAddr;

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:58:4: error: 'Wire' was not declared in this scope

   Wire.begin ( );

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:60:4: error: '_initialised' was not declared in this scope

   _initialised = Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:65:4: error: '_shadow' was not declared in this scope

   _shadow = Wire.read (); // Remove the byte read don't need it.

   ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:73:6: error: 'I2CIO' has not been declared

void I2CIO::pinMode ( uint8_t pin, uint8_t dir )

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'void pinMode(uint8_t, uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:75:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:79:10: error: '_dirMask' was not declared in this scope

         _dirMask &= ~( 1 << pin );

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:83:10: error: '_dirMask' was not declared in this scope

         _dirMask |= ( 1 << pin );

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:90:6: error: 'I2CIO' has not been declared

void I2CIO::portMode ( uint8_t dir )

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'void portMode(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:93:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:97:10: error: '_dirMask' was not declared in this scope

         _dirMask = 0xFF;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:101:10: error: '_dirMask' was not declared in this scope

         _dirMask = 0x00;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:108:9: error: 'I2CIO' has not been declared

uint8_t I2CIO::read ( void )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'uint8_t read()':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:112:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:114:7: error: 'Wire' was not declared in this scope

      Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:114:26: error: '_i2cAddr' was not declared in this scope

      Wire.requestFrom ( _i2cAddr, (uint8_t)1 );

                         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:118:18: error: '_dirMask' was not declared in this scope

      retVal = ( _dirMask & Wire.read ( ) );

                 ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:127:5: error: 'I2CIO' has not been declared

int I2CIO::write ( uint8_t value )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int write(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:131:9: error: '_initialised' was not declared in this scope

   if ( _initialised )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:135:7: error: '_shadow' was not declared in this scope

      _shadow = ( value & ~(_dirMask) );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:135:29: error: '_dirMask' was not declared in this scope

      _shadow = ( value & ~(_dirMask) );

                            ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:137:7: error: 'Wire' was not declared in this scope

      Wire.beginTransmission ( _i2cAddr );

      ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:137:32: error: '_i2cAddr' was not declared in this scope

      Wire.beginTransmission ( _i2cAddr );

                               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:150:9: error: 'I2CIO' has not been declared

uint8_t I2CIO::digitalRead ( uint8_t pin )

        ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'uint8_t digitalRead(uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:150:42: error: new declaration 'uint8_t digitalRead(uint8_t)'

uint8_t I2CIO::digitalRead ( uint8_t pin )

                                         ^

In file included from C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:30:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:127:5: error: ambiguates old declaration 'int digitalRead(uint8_t)'

int digitalRead(uint8_t);

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:156:11: error: '_initialised' was not declared in this scope

   if ( ( _initialised ) && ( pin <= 7 ) )

          ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:159:16: error: invalid use of 'this' in non-member function

      pinVal = this->read() & _dirMask;

               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:159:31: error: '_dirMask' was not declared in this scope

      pinVal = this->read() & _dirMask;

                              ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: At global scope:

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:167:5: error: 'I2CIO' has not been declared

int I2CIO::digitalWrite ( uint8_t pin, uint8_t level )

    ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp: In function 'int digitalWrite(uint8_t, uint8_t)':

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:167:54: error: new declaration 'int digitalWrite(uint8_t, uint8_t)'

int I2CIO::digitalWrite ( uint8_t pin, uint8_t level )

                                                     ^

In file included from C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:30:0:

C:\Program Files (x86)\Arduino\hardware\arduino\avr\cores\arduino/Arduino.h:126:6: error: ambiguates old declaration 'void digitalWrite(uint8_t, uint8_t)'

void digitalWrite(uint8_t, uint8_t);

     ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:174:11: error: '_initialised' was not declared in this scope

   if ( ( _initialised ) && ( pin <= 7 ) )

          ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:178:34: error: '_dirMask' was not declared in this scope

      writeVal = ( 1 << pin ) & ~_dirMask;

                                 ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:181:10: error: '_shadow' was not declared in this scope

         _shadow |= writeVal;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:186:10: error: '_shadow' was not declared in this scope

         _shadow &= ~writeVal;

         ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:188:16: error: invalid use of 'this' in non-member function

      status = this->write ( _shadow );

               ^

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp:188:30: error: '_shadow' was not declared in this scope

      status = this->write ( _shadow );

                             ^

exit status 1
Error compiling for board Arduino/Genuino Uno.

cattledog · May 20, 2016, 6:35pm

The code posted in #11 compiles fine for me with the F. Malpartida library, and I think there may be something wrong with your library installation. If you have the correct library installation, it should not produce an error about I2CIO.

Try the latest version from https://bitbucket.org/fmalpartida/new-liquidcrystal/downloads and make sure that the Liquid Crystal library which came with the IDE is not in a library folder anywhere.

EDIT: Your earlier problem was related to where the Wire library was located. That does not appear to be a current error. Is that correct?

brunokc · May 20, 2016, 7:18pm

I tried to reinstall the Arduino program, and so it seemed suddenly ...

thanks for the help.

and sorry #spycatcher2k I'm a bit of a Noob.

system · May 20, 2016, 7:41pm

this is the error message

Code: [Select]

C:\Users\Uno\Documents\Arduino\libraries\LiquidCrystal\I2CIO.cpp

If that the file you keep posting? NO IT IS NOT.

brunokc · May 20, 2016, 7:46pm

I dont understand... i was trying to do what you said.. and that was the program i was trying to uploade to my uno.

system · May 20, 2016, 7:50pm

I dont understand... i was trying to do what you said.. and that was the program i was trying to uploade to my uno.

The problem is NOT in your sketch. Is that so damned hard to understand? The compiler is tell you EXACTLY which file has a problem, and we have told you how to fix the problem. Why can't you edit the file that the compiler is telling you has a problem and fix it?

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