//
//
// Base user terminal UART functions
//
//
#include "base.h"

//is data available in RX buffer?
//#define UART1RXRdy() U1STAbits.URXDA
unsigned char UART1RXRdy(void){
    return U1STAbits.URXDA;
}

//get a byte from UART
unsigned char UART1RX(void){

    while(U1STAbits.URXDA == 0);
	return U1RXREG;
}

//add byte to buffer, pause if full
//uses PIC 4 byte UART FIFO buffer
void UART1TX(char c){
	while(U1STAbits.UTXBF == 1); //if buffer is full, wait
    U1TXREG = c;
}

//Initialize the terminal UART
void InitializeUART1(void){
	//setup UART
    U1BRG = 34;//34@32mhz=115200
    U1MODE = 0;
    U1MODEbits.BRGH = 1;
    U1STA = 0;
    U1MODEbits.UARTEN = 1;
    U1STAbits.UTXEN = 1;
    IFS0bits.U1RXIF = 0;
}