31 lines
649 B
C++
31 lines
649 B
C++
#include <FastTouch.h>
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//
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// Adrian Freed 2019
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//
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// report on whether pins are being touched based on how
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// slow the pins arrive at HIGH from ground when a PULLUP resistor is enabled
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// all pin except the built-in LED are probed. Note that each pin will be hard pulled
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// to ground and that interrupts are briefly stopped during the measurement.
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//
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void setup()
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{
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SerialUSB.begin(9600);
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}
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void loop()
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{
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for(int i=0;i<CORE_NUM_DIGITAL;++i)
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{
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if(i!=LED_BUILTIN)
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{
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SerialUSB.print(fastTouchRead(i)); SerialUSB.print(" ");
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}
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else
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SerialUSB.print("LED ");
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}
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SerialUSB.println();
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delay(200);
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}
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