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@chiinv

文字列から制御文字を削除する

Last updated at Posted at 2016-12-11

課題

RFIDリーダなどの機器からシリアル通信で送られてきた文字列をprintlnでそのまま表示すると

received: 0511

received: 0511

received: 0511

となってしまうのを

received: 00511
received: 0511
received: 0511

としたい．

原因

受信した文字列に制御文字が含まれていることが原因

解決策

tirm()で制御文字やスペースを削除する

myString = trim(myString);

参考

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