#include <avr/io.h>

#include <util/delay.h>

#include <avr/interrupt.h>

#include <avr/pgmspace.h>

#include <stdio.h>

#include <string.h>

#include "usart.h"

const char foo_string[] PROGMEM = "Unluckily gcc string polling doesn't work for PROGMEM/PSTR() strings";

int main(void)

{

//uart_set_FrameFormat(USART_8BIT_DATA|USART_1STOP_BIT|USART_NO_PARITY|USART_ASYNC_MODE); // default settings

uart_init(BAUD_CALC(115200)); // 8n1 transmission is set as default

stdout = &uart0_io; // attach uart stream to stdout & stdin

stdin = &uart0_io; // uart0_in if no TX and uart0_out if no RX (depends on config macros)

sei(); // enable interrupts, library wouldn't work without this

uart_puts("hello from usart 0\r\n"); // write const string to usart buffer // C++ restriction, in C its the same as uart_putstr()

//uart_puts("hello world\r\n"); // write const string to usart buffer // C++ restriction, in C its the same as uart_putstr()

// if you do not have enough SRAM memory space to keep all strings, try to use puts_P instead

uart_puts_P("hello from flashed, usart\r\n"); // write string to usart buffer from flash memory // string is parsed by PSTR() macro

_delay_ms(5000);

uart_puts_p(foo_string);

char buffer[25];

uart_gets(buffer, 25); // read at most 24 bytes from buffer (CR,LF will not be cut)

int a;

uart_puts("gimmie a number: ");

a = uart_getint();

uart_puts("numba a: ");

uart_putint(a);

uart_puts("\r\n");

while(1)

{

uart_puts("bytes waiting in receiver buffer : ");

uart_putint(uart_AvailableBytes()); // ask for bytes waiting in receiver buffer

//uart_getsln(buffer, 25); // read 24 bytes or one line from usart buffer

if (!strcmp(buffer, "people who annoy you"))

{

uart_putc('>');

_delay_ms(5000);

uart_puts_P(" naggers");

}

uart_puts("\r\n");

/*

uart_putfloat(0.1337f);

uart_puts("\r\n");

uart_putstr(buffer); // write array string to usart buffer

uart_puts("\r\n");

printf("Say my name: ");

scanf("%s", buffer);

printf("So it's %s, You are damn' right.\n", buffer);

_delay_ms(5000);

*/

}

}