但它给出了像 avr/io.h 这样的错误没有这样的文件或 Directo
while (1)
{
//INIT USART
UCSRB = 0x18; //reciever enable , transmitter enable
UCSRC = 0x86; //8 bit , 1 stop bit ,
UBRRH = 0;
UBRRL = xtal/16/baud-1;
while(1)
{
printf("Hello World");
}
}
}