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An asynchronous library for the Arduino family. Examples
Enables the usage of the asynchronous delay(callback, milliseconds) and
delayMicroseconds(callback, microseconds) functions.
https://www.arduino.cc/reference/en/language/functions/time/delay/
https://www.arduino.cc/reference/en/language/functions/time/delaymicroseconds/
ASYNCINO_DELAY_POOL: the maximum amount of concurrent delays. (default: 1)
#define ASYNCINO_DELAY
#include "asyncino.h"
void setup() {
Serial.println("Hello World");
delay([]() {
Serial.println("1s later: Hello World");
delay([]() {
Serial.println("1.5s later: Hello World");
}, 500);
}, 1000);
delay([]() {
Serial.println("0.5s later: Hello World");
}, 500);
}
void loop() {
asyncino();
}Enables the usage of the asynchonous pulseIn(callback, port, value, timeout?) and
pulseInLong(callback, port, value, timeout?) functions.
https://www.arduino.cc/reference/en/language/functions/advanced-io/pulsein/
https://www.arduino.cc/reference/en/language/functions/advanced-io/pulseinlong/
ASYNCINO_PULSEIN_POOL: the maximum amount of concurrent pulseIns. (default: 1)
#define ASYNCINO_PULSEIN
#include "asyncino.h"
void setup() {
pinMode(7, INPUT_PULLUP);
// waits for pulse (HIGH => LOW: start timer, LOW => HIGH: stop timer)
pulseIn([](unsigned long duration) {
Serial.println("pin 7 received a pulse: " + String(duration) + "us");
}, 7, LOW);
}
void loop() {
asyncino();
}Enables the usage of ids, which can be used to clear delays and pulseIns. (clearDelay(id), clearPulseIn(id))
ASYNCINO_ID_POOL: the size of the free id ring buffer. (default: ASYNCINO_PULSEIN_POOL + ASYNCINO_DELAY_POOL)
#define ASYNCINO_ID
#define ASYNCINO_DELAY
#include "asyncino.h"
void setup() {
const AId myDelay = delay([]() {
Serial.println("MyDelay was executed"); // This should not be printed
}, 2000);
delay([]() {
Serial.println("MyDelay was cleared");
clearDelay(myDelay); // Cancels a pending delay
}, 1000);
}
void loop() {
asyncino();
}Enables the usage of listen(cb, port, type), which can be used to listen for certain changes on a pin.
type can be one of the following:
| value | constant | description |
|---|---|---|
| 0 | ALISTEN_LOW |
run cb whenever pin is LOW |
| 1 | ALISTEN_HIGH |
run cb whenever pin is HIGH |
| 2 | ALISTEN_FALLING |
run cb whenever pin goes from HIGH to LOW |
| 3 | ALISTEN_RISING |
run cb whenever pin goes from LOW to HIGH |
| 4 | ALISTEN_CHANGE |
run cb whenever pin value changes (RISING or FALLING) |
ASYNCINO_LISTEN_POOL: the maximum amount of concurrent listens. (default: 1)
#define ASYNCINO_LISTEN
#include "asyncino.h"
void setup() {
pinMode(7, INPUT_PULLUP);
// watch pin 7 for changes
listen([](int value) {
Serial.println("PIN CHANGED: " + String(value));
}, 7, ALISTEN_CHANGE);
}
void loop() {
asyncino();
}© Copyright 2023 Lucas Birkert, all rights reserved
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