6 int main(int argc, char *argv[])
13 printf("Usage: %s SERIAL_DEVICE\n", argv[0]);
20 fd = open_at_baud(device, &baud);
25 printf("Failed to set baudrate to 128000, only got %d\n", baud);
31 ret = read(fd, buf, sizeof(buf));
40 ret = write(1, buf, ret);