/* ******************************************************** *
 *
 * Simple Template for ATMEL Microcontroller				*
 * -------------------------------------------------------- *
 * Created on: 	25.07.2016
 * Author:		Paolo Iocco
 * ******************************************************** */
/* ******************************************************** *
   ATtiny 88 / Mega 168 / Mega 328 Pin map
                           +-\/-+
              /Reset PC6  1|o   |28  PC5 ADC5 
                 RXD PD0  2|    |27  PC4 ADC4
                 TXD PD1  3|    |26  PC3 ADC3
                     PD2  4|    |25  PC2 ADC2
				OC2B PD3  5|    |24  PC1 ADC1
					 PD4  6|    |23  PC0 ADC0
					 VCC  7|    |22  GND
					 GND  8|    |21  AREF
				OSC1 PB6  9|    |20  VCC
				OSC2 PB7 10|    |19  PB5 SCK
				OC0B PD5 11|    |18  PB4 MISO
		   AIN0 OC0A PD6 12|    |17  PB3 OC2A MOSI
				AIN1 PD7 13|    |16  PB2 OC1B
					 PB0 14|    |15  PB1 OC1A
					       +----+
* ******************************************************** */

#ifndef F_CPU
#define F_CPU 8000000
#endif

#include <avr/io.h>				
#include <util/delay.h>	
#define BAUD 9600
#define m168p
#include <util/setbaud.h>

/* Definizioni per il m168p */
#ifdef m168p 
#define UCSRA UCSR0A
#define UCSRB UCSR0B
#define UCSRC UCSR0C
#define UBRRH UBRR0H
#define UBRRL UBRR0L
#define U2X U2X0
#define UDRE UDRE0
#define UDR UDR0
#endif
/* fine definizioni per il m168p*/

/* Inizializza la porta seriale */
void uart_init(void)   
{
    UBRRH = UBRRH_VALUE;
   UBRRL = UBRRL_VALUE;
#if USE_2X0
   UCSRA |= (1 << U2X);
#else
   UCSRA &= ~(1 << U2X);
#endif
   
   UCSRC= _BV(UCSZ01) | _BV(UCSZ00); // 8 N 1
   UCSRB= (1<<TXEN0); 
   // UCSRB= (1<<RXEN0)|(1<<TXEN0);
}

/* uart_putc(): scrive un carattere sulla porta seriale*/
int uart_putc(unsigned char c)
{
    while (!(UCSRA & (1<<UDRE))) { /* warten bis Senden moeglich */
    }                              
    UDR = c;                      /* sende Zeichen */
    return 0;
}

/* uart_puts(): scrive una stringa sulla porta seriale*/
void uart_puts (char *s)
{
    while (*s) {   
        uart_putc(*s);
        s++;
    }
}

/* Funzioni oer il display Digole */

/* Main - Programma principale*/
int main (void)
{
    unsigned char zwischenspeicher;
    DDRC = 0b00000001;

    uart_init();
    _delay_ms(3000);
    uart_puts("CL");
    uart_puts("DSS");
    uart_putc(0);
    uart_puts("TT* Love  Silvia *\n");	
    uart_puts("TRT");
    uart_puts("TT* Love  Silvia *\n");		
    uart_puts("TRT");
    uart_puts("TT* Love  Silvia *\n");	
    uart_puts("TRT");
    uart_puts("TT* Love  Silvia *\n");	
    uart_puts("TRT");
    uart_puts("TT* Love  Silvia *\n");	
    uart_puts("TRT");
    
    /*
    uart_puts("SF");
    uart_putc(6);
    uart_puts("TT12345678901234567890123456789012\n");

    uart_puts("SF");
    uart_putc(10);
    uart_puts("TRT");
    uart_puts("TT123456789012345678901\n");	

    uart_puts("SF");
    uart_putc(0);
    uart_puts("TRT");
    uart_puts("TT1234567890123456\n");	

    uart_puts("SF");
    uart_putc(18);
    uart_puts("TRT");
    uart_puts("TT12345678901234\n");	
	*/
	
    while(1) {
      zwischenspeicher = PORTC;
      zwischenspeicher = zwischenspeicher ^ 0b00000001;
      PORTC = zwischenspeicher;
      _delay_ms(500);
    }
    return 0;
}