/*

avr @ 16Mhz
9600 baud


on pro mini:

0   rxd   
1   txd   

2   pd2    
3   pd3    
4   pd4    
5   pd5   
6   pd6    
7   pd7    
8   pb0    
9   pb1    
10  pb2    
11  pb4
12  pb3
13  pb5


A0  pc0  (adc0)
A1  pc1  (adc1)   
A2  pc2  (adc2)  
A3  pc3  (adc3)  
A4  pc4  (adc4)  
A5  pc5  (adc5)  
A6        adc6
A7        adc7



*/
#include <avr/io.h>
#include "usart.h"
//#include <avr/interrupt.h>

#define NOP()    asm volatile ("nop"::)
#define OUTPUT   1
#define INPUT    0

#define SetBit(BIT, PORT)     PORT |= (1<<BIT)
#define ClearBit(BIT, PORT)   PORT &= ~(1<<BIT)
#define IsHigh(BIT, PORT)    (PORT & (1<<BIT)) != 0
#define IsLow(BIT, PORT)     (PORT & (1<<BIT)) == 0
#define InBoundsI(v, l, h)   ((v) >= (h)) ? (0) : ((v) <= (l)) ? (0) : (1)



int main( void ) {
 
 
    // set up directions 
  DDRB = (INPUT << PB0 | INPUT << PB1 | INPUT << PB2 |INPUT << PB3 |INPUT << PB4 |INPUT << PB5 |INPUT << PB6 |INPUT << PB7);
  DDRD = (INPUT << PD0 | INPUT << PD1 | INPUT << PD2 |INPUT << PD3 |INPUT << PD4 |INPUT << PD5 |INPUT << PD6 |INPUT << PD7);        
  DDRC = (INPUT << PD0 | INPUT << PD1 | INPUT << PD2 |INPUT << PD3 |INPUT << PD4 |INPUT << PD5 |INPUT << PD6 |INPUT << PD7); 

//  PORTB = 0x0C; 

//  USART_Init( 103 ); // 9600 baud
//  USART_Init( 51 );  //19200 baud
    USART_Init( 16 );  // a bad 57600 baud
   
   
  USART_printstring("Hello terminal.\n");
  
  while(1) {
  ;
       
  }
  return 0;     
}