BTnode Hello World
A minimal source code that writes to the serial terminal.
#include <stdio.h>
#include <io.h>
#include <dev/usartavr.h>
#include <hardware/btn-hardware.h>
void init_term(void) {
FILE *uart_terminal;
u_long baud = 57600;
NutRegisterDevice(&APP_UART, 0, 0);
uart_terminal = fopen(APP_UART.dev_name, "r+");
_ioctl(_fileno(uart_terminal), UART_SETSPEED, &baud);
freopen(APP_UART.dev_name, "w", stdout);
}
int main(void)
{
init_term();
printf("Hello World!\n");
return(0);
}