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33 lines
1011 B
C++
33 lines
1011 B
C++
// Search pins usable for endstop-interrupts
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// Compile with the same build settings you'd use for Marlin.
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#if defined(ARDUINO_AVR_MEGA2560) || defined(ARDUINO_AVR_MEGA)
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#undef digitalPinToPCICR
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#define digitalPinToPCICR(p) ( ((p) >= 10 && (p) <= 15) || \
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((p) >= 50 && (p) <= 53) || \
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((p) >= 62 && (p) <= 69) ? (&PCICR) : nullptr)
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#endif
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void setup() {
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Serial.begin(9600);
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Serial.println("PINs causing interrupts are:");
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for (int i = 2; i < NUM_DIGITAL_PINS; i++) {
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if (digitalPinToPCICR(i) || (int)digitalPinToInterrupt(i) != -1) {
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for (int j = 0; j < NUM_ANALOG_INPUTS; j++) {
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if (analogInputToDigitalPin(j) == i) {
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Serial.print('A');
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Serial.print(j);
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Serial.print(" = ");
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}
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}
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Serial.print('D');
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Serial.println(i);
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}
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}
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Serial.println("Arduino pin numbering!");
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}
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void loop() {
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// put your main code here, to run repeatedly:
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}
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