14 行
237 B
C++
14 行
237 B
C++
#ifndef LED_H
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#define LED_H
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/* LED is an interface class
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Each LED object is an IC pin that is used to power an LED on and off.
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*/
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class LED
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{
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public:
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virtual void on()=0;
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virtual void off()=0;
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};
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#endif
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