52 lines
1.4 KiB
Arduino
52 lines
1.4 KiB
Arduino
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/*
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* This example demonstrates used of Ticker with arguments.
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* You can call the same callback function with different argument on different times.
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* Based on the argument the callback can perform different tasks.
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*/
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#include <Arduino.h>
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#include <Ticker.h>
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// Arguments for the function must remain valid (not run out of scope) otherwise the function would read garbage data.
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int LED_PIN_1 = 4;
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#ifdef LED_BUILTIN
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int LED_PIN_2 = LED_BUILTIN;
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#else
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int LED_PIN_2 = 8;
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#endif
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Ticker tickerSetHigh;
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Ticker tickerSetLow;
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// Argument to callback must always be passed a reference
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void swapState(int *pin) {
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static int led_1_state = 1;
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static int led_2_state = 1;
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if(*pin == LED_PIN_1){
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Serial.printf("[%lu ms] set pin %d to state: %d\n", millis(), *pin, led_1_state);
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digitalWrite(*pin, led_1_state);
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led_1_state = led_1_state ? 0 : 1; // reverse for next pass
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}else if(*pin == LED_PIN_2){
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Serial.printf("[%lu ms] set pin %d to state: %d\n", millis(), *pin, led_2_state);
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digitalWrite(*pin, led_2_state);
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led_2_state = led_2_state ? 0 : 1; // reverse for next pass
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}
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}
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void setup() {
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Serial.begin(115200);
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pinMode(LED_PIN_1, OUTPUT);
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pinMode(LED_PIN_2, OUTPUT);
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//digitalWrite(1, LOW);
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// Blink LED every 500 ms on LED_PIN_1
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tickerSetLow.attach_ms(500, swapState, &LED_PIN_1);
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// Blink LED every 1000 ms on LED_PIN_2
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tickerSetHigh.attach_ms(1000, swapState, &LED_PIN_2);
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}
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void loop() {
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}
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