将模拟输入的值由0-1023约束到0-255110A70255dm9pZCBzZXR1cCgpewogIHBpbk1vZGUoQTcsIElOUFVUKTsKICBwaW5Nb2RlKDExLCBPVVRQVVQpOwp9Cgp2b2lkIGxvb3AoKXsKICAvL+WwhuaooeaLn+i+k+WFpeeahOWAvOeUsTAtMTAyM+e6puadn+WIsDAtMjU1CiAgYW5hbG9nV3JpdGUoMTEsIChjb25zdHJhaW4oYW5hbG9nUmVhZChBNyksIDAsIDI1NSkpKTsKCn0=