#include <Wire.h>

void setup()
{
	Wire.begin();
}

void loop()
{

} 

Compiling 'smartControls_4D_accelerated' for 'Teensy 3.0'
wiring.h : In file included from
WProgram.h : from
Arduino.h : from
Font_library.h : from
Font_library.cpp : from
core_pins.h : : In function 'void delayMicroseconds(uint32_t)':
core_pins.h : 'n' was not declared in this scope
WProgram.h : In file included from
Arduino.h : from
Font_library.h : from
Font_library.cpp : from
HardwareSerial.h : : In member function 'void HardwareSerial::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial2::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial3::begin(uint32_t)':
HardwareSerial.h : 'F_BUS' was not declared in this scope
usb_keyboard.h : In file included from
WProgram.h : from
Arduino.h : from
Font_library.h : from
Font_library.cpp : from
keylayouts.h : : At global scope:
keylayouts.h : 'KEYCODE_TYPE' does not name a type
keylayouts.h : 'KEYCODE_TYPE' does not name a type
WProgram.h : In file included from
Arduino.h : from
Font_library.h : from
Font_library.cpp : from
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, unsigned int)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, float)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
Wire.cpp : #error "F_BUS must be 48 MHz or 24 MHz"
Wire.cpp : In file included from
core_pins.h : : In function 'void delayMicroseconds(uint32_t)':
core_pins.h : 'n' was not declared in this scope
WProgram.h : In file included from
Arduino.h : from
Wire.h : from
Wire.cpp : from
HardwareSerial.h : : In member function 'void HardwareSerial::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial2::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial3::begin(uint32_t)':
HardwareSerial.h : 'F_BUS' was not declared in this scope

usb_keyboard.h : In file included from
WProgram.h : from
Arduino.h : from
Wire.h : from
Wire.cpp : from
keylayouts.h : : At global scope:
keylayouts.h : 'KEYCODE_TYPE' does not name a type
keylayouts.h : 'KEYCODE_TYPE' does not name a type
WProgram.h : In file included from
Arduino.h : from
Wire.h : from
Wire.cpp : from
WProgram.h : In file included from
Arduino.h : from
Wire.h : from
Teensy_test.ino : from
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, unsigned int)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, float)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
Teensy_test.ino : In file included from
Wire.h : : In member function 'TWBRemulation& TWBRemulation:perator=(int)':
Wire.h : 'F_CPU' was not declared in this scope
Wire.cpp : #error "F_BUS must be 48 MHz or 24 MHz"
Wire.cpp : In file included from
core_pins.h : : In function 'void delayMicroseconds(uint32_t)':
core_pins.h : 'n' was not declared in this scope
WProgram.h : In file included from
Arduino.h : from
Wire.h : from
Wire.cpp : from
HardwareSerial.h : : In member function 'void HardwareSerial::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial2::begin(uint32_t)':
HardwareSerial.h : 'F_CPU' was not declared in this scope
HardwareSerial.h : : In member function 'void HardwareSerial3::begin(uint32_t)':
HardwareSerial.h : 'F_BUS' was not declared in this scope
usb_keyboard.h : In file included from
WProgram.h : from
Arduino.h : from
Wire.h : from
Wire.cpp : from
keylayouts.h : : At global scope:
keylayouts.h : 'KEYCODE_TYPE' does not name a type
keylayouts.h : 'KEYCODE_TYPE' does not name a type
WProgram.h : In file included from
Arduino.h : from
Wire.h : from
Wire.cpp : from
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, unsigned int)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
IntervalTimer.h : : In member function 'bool IntervalTimer::begin(IntervalTimer::ISR, float)':
IntervalTimer.h : 'F_BUS' was not declared in this scope
Wire.cpp : In file included from
Wire.h : : In member function 'TWBRemulation& TWBRemulation:perator=(int)':
Wire.h : 'F_CPU' was not declared in this scope
Error compiling