Core can't reference to libraries, need to move FunctionalInterrupt to libraries, too.

Author: dok-net

libraries/FunctionalInterrupt/examples/Functional/Functional.ino

@@ -0,0 +1,84 @@
+#include <FunctionalInterrupt.h>
+#include <Arduino.h>
+
+#if defined(ESP32)
+#define BUTTON1 16
+#define BUTTON2 17
+#elif defined(ARDUINO_ESP8266_WEMOS_D1MINI)
+#define BUTTON1 D4
+#define BUTTON2 D3
+#else
+#define BUTTON1 2
+#define BUTTON2 0
+#endif
+
+class Button {
+  public:
+    Button(uint8_t reqPin) : PIN(reqPin) {
+      pinMode(PIN, INPUT_PULLUP);
+      // Arduino C API:
+      //attachInterruptArg(PIN, [](void* self) {
+      //  static_cast<Button*>(self)->isr();
+      //}, this, FALLING); // works on ESP32; fails on ESP8266: "ISR not in IRAM"
+      //attachInterruptArg(PIN, reinterpret_cast<void(*)(void*)>(&isr_static), this, FALLING); // works on ESP32; works on ESP8266
+      // FunctionalInterrupts API:
+      attachScheduledInterrupt(PIN, [this](InterruptInfo ii) {
+        Serial.print("Pin ");
+        Serial.println(ii.pin);
+        isr();
+      }, FALLING); // works on ESP32; works on ESP8266
+    };
+    ~Button() {
+      detachInterrupt(PIN);
+    }
+
+#if defined(ESP8266)
+    void ICACHE_RAM_ATTR isr()
+#elif defined(ESP32)
+    void IRAM_ATTR isr()
+#endif
+    {
+      numberKeyPresses += 1;
+      pressed = true;
+    }
+
+#if defined(ESP8266)
+    static void ICACHE_RAM_ATTR isr_static(Button* const self)
+#elif defined(ESP32)
+    static void IRAM_ATTR isr_static(Button* const self)
+#endif
+    {
+      self->isr();
+    }
+
+    void checkPressed() {
+      if (pressed) {
+        Serial.printf("Button on pin %u has been pressed %u times\n", PIN, numberKeyPresses);
+        pressed = false;
+      }
+    }
+
+  private:
+    const uint8_t PIN;
+    volatile uint32_t numberKeyPresses = 0;
+    volatile bool pressed = false;
+};
+
+Button* button1;
+Button* button2;
+
+
+void setup() {
+  Serial.begin(115200);
+  Serial.println("FunctionalInterrupt test/example");
+
+  button1 = new Button(BUTTON1);
+  button2 = new Button(BUTTON2);
+
+  Serial.println("setup() complete");
+}
+
+void loop() {
+  button1->checkPressed();
+  button2->checkPressed();
+}

libraries/FunctionalInterrupt/keywords.txt

@@ -0,0 +1,13 @@
+#######################################
+# Datatypes (KEYWORD1)
+#######################################
+
+InterruptInfo	KEYWORD1
+ArgStructure	KEYWORD1
+
+#######################################
+# Methods and Functions (KEYWORD2)
+#######################################
+
+attachInterrupt	KEYWORD2
+attachScheduledInterrupt	KEYWORD2

libraries/FunctionalInterrupt/library.properties

@@ -0,0 +1,10 @@
+name=FunctionalInterrupt
+version=1.0
+author=hreintke <[email protected]>
+maintainer=hreintke <[email protected]>
+sentence=C++ functional and scheduled interrupt handling
+paragraph=
+category=Other
+url=https://github.com/esp8266/Arduino
+architectures=esp8266
+dot_a_linkage=true