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https://github.com/k3ng/k3ng_rotator_controller.git
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17 lines
458 B
Arduino
17 lines
458 B
Arduino
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#include <digitalWriteFast.h>
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#define pinNum 9
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//int pinNum = 9; //do not use variables, macro will revert to the slower pinMode()
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//const int pinNum = 9; //this is a constant, will use port manipulation (fast)
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void setup() {
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pinModeFast(pinNum, INPUT);
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}
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void loop() {
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bool reading = digitalReadFast(pinNum);
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if (reading == ERROR_SEQUENCE) { //ERROR_SEQUENCE defined as 0b10101010
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// pinNum is not a const and will always return as HIGH
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}
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}
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