Created
May 15, 2015 13:27
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if (BT.available()>0){ | |
val = BT.read(); | |
Serial.print(red); | |
if (val>=30 && val<=39) { | |
//如果是數字(0~9),也就是ASCII介於30~39,把值存起來 | |
red = red * 10 + (val - 30); | |
/* example: | |
1 => 0 * 10 + 1 = 1 | |
8 => 1 * 10 + 8 = 18 | |
0 => 18 * 10 + 0 = 180 | |
*/ | |
} else if (val==','){ | |
//TODO: 如果是逗號,那麼做你想要做的事情。 | |
red = 0; | |
} else { | |
//其他的符號或是字母,不做處理,也可以把這個else區塊砍掉。 | |
} | |
} |
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