arduino-esp32/libraries/ESP32/examples/GPIO/GPIOInterrupt/GPIOInterrupt.ino
hreintke ea61563c69 Functional interrupt (#1728)
* Initial

* Implementation

* Add to CMakelist.txt

* Add example

* Add IRAM_ATTR
2018-09-17 23:13:58 +02:00

46 lines
1.1 KiB
C++

#include <Arduino.h>
struct Button {
const uint8_t PIN;
uint32_t numberKeyPresses;
bool pressed;
};
Button button1 = {23, 0, false};
Button button2 = {18, 0, false};
void IRAM_ATTR isr(void* arg) {
Button* s = static_cast<Button*>(arg);
s->numberKeyPresses += 1;
s->pressed = true;
}
void IRAM_ATTR isr() {
button2.numberKeyPresses += 1;
button2.pressed = true;
}
void setup() {
Serial.begin(115200);
pinMode(button1.PIN, INPUT_PULLUP);
attachInterruptArg(button1.PIN, isr, &button1, FALLING);
pinMode(button2.PIN, INPUT_PULLUP);
attachInterrupt(button2.PIN, isr, FALLING);
}
void loop() {
if (button1.pressed) {
Serial.printf("Button 1 has been pressed %u times\n", button1.numberKeyPresses);
button1.pressed = false;
}
if (button2.pressed) {
Serial.printf("Button 2 has been pressed %u times\n", button2.numberKeyPresses);
button2.pressed = false;
}
static uint32_t lastMillis = 0;
if (millis() - lastMillis > 10000) {
lastMillis = millis();
detachInterrupt(button1.PIN);
}
}