UART.h

// UART.h
// LM4F120, TM4C123, TM4C1294
// Simple device driver for the UART.
// Daniel Valvano
// May 6, 2015

/* This example accompanies the books
  "Embedded Systems: Introduction to ARM Cortex M Microcontrollers",
  ISBN: 978-1469998749, Jonathan Valvano, copyright (c) 2015

"Embedded Systems: Real Time Interfacing to ARM Cortex M Microcontrollers",
   ISBN: 978-1463590154, Jonathan Valvano, copyright (c) 2015
 
 Copyright 2014 by Jonathan W. Valvano, valvano@mail.utexas.edu
    You may use, edit, run or distribute this file
    as long as the above copyright notice remains
 THIS SOFTWARE IS PROVIDED "AS IS".  NO WARRANTIES, WHETHER EXPRESS, IMPLIED
 OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
 VALVANO SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL,
 OR CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 For more information about my classes, my research, and my books, see
 http://users.ece.utexas.edu/~valvano/
 */

// U0Rx (VCP receive) connected to PA0
// U0Tx (VCP transmit) connected to PA1

// standard ASCII symbols
#define CR   0x0D
#define LF   0x0A
#define BS   0x08
#define ESC  0x1B
#define SP   0x20
#define DEL  0x7F


// Abstraction of general output device
// Volume 2 section 3.4.5

//------------Output_Init------------
// Initialize the UART for 115,200 baud rate (assuming 16 MHz bus clock),
// 8 bit word length, no parity bits, one stop bit, FIFOs enabled
// Input: none
// Output: none
void Output_Init(void);

// Clear display
void Output_Clear(void);

// Turn off display (low power)
void Output_Off(void);

// Turn on display
void Output_On(void);

// set the color for future output
void Output_Color(uint32_t newColor);