#include "config.h" #include "Port.h" #include "usart.h" int main(void) { uint8 rcv; ser_init(9600); while(1) { rcv=usart_getchar(); switch(rcv) { case '0': usart_puts("input data 0\n"); break; case '1': usart_puts("input data 1\n"); break; default: usart_puts("unknown data!\n"); } } return 0; }