esphal: add support for detaching an interrupt.

That's needed when a component needs to enable/disable interrupt on a
gpio.

Signed-off-by: 0hax <[email protected]>

Author: 0hax

esphome/core/esphal.cpp

@@ -12,6 +12,7 @@ typedef struct {        // NOLINT
 
 void ICACHE_RAM_ATTR __attachInterruptArg(uint8_t pin, void (*)(void *), void *fp,  // NOLINT
                                           int mode);
+void ICACHE_RAM_ATTR __detachInterrupt(uint8_t pin);
 };
 #endif
 
@@ -226,6 +227,18 @@ void ICACHE_RAM_ATTR interrupt_handler(void *arg) {
 }
 #endif
 
+void GPIOPin::detach_interrupt() const {
+  this->detach_interrupt_();
+}
+void GPIOPin::detach_interrupt_() const {
+#ifdef ARDUINO_ARCH_ESP8266
+  __detachInterrupt(get_pin());
+#endif
+#ifdef ARDUINO_ARCH_ESP32
+  detach(get_pin());
+#endif
+
+}
 void GPIOPin::attach_interrupt_(void (*func)(void *), void *arg, int mode) const {
   if (this->inverted_) {
     if (mode == RISING) {

esphome/core/esphal.h

@@ -94,11 +94,13 @@ class GPIOPin {
   bool is_inverted() const;
 
   template<typename T> void attach_interrupt(void (*func)(T *), T *arg, int mode) const;
+  void detach_interrupt() const;
 
   ISRInternalGPIOPin *to_isr() const;
 
  protected:
   void attach_interrupt_(void (*func)(void *), void *arg, int mode) const;
+  void detach_interrupt_() const;
 
   const uint8_t pin_;
   const uint8_t mode_;
@@ -114,5 +116,4 @@ class GPIOPin {
 template<typename T> void GPIOPin::attach_interrupt(void (*func)(T *), T *arg, int mode) const {
   this->attach_interrupt_(reinterpret_cast<void (*)(void *)>(func), arg, mode);
 }
-
 }  // namespace esphome