#include #include #include #include #include #include #include #include #include #include #include #include #include "uart.hpp" using namespace iflytop; class Uart g_uart; int main(int argc, char *argv[]) { int rec_len; char buffer[128]; g_uart.open(argv[1]); while (1) { rec_len = g_uart.receive(buffer, sizeof(buffer)); if (rec_len > 0) { g_uart.send(buffer, rec_len); } usleep(1000); } return 0; }