Implement interrupts and noInterrupts

- Using irq_lock and irq_unlock zephyr apis. Signed-off-by: Ayush Singh <ayush@beagleboard.org>
zephyrproject-rtos · Aug 16, 2024 · fd926ed · fd926ed
1 parent 3538c54
commit fd926ed
Showing 1 changed file with 15 additions and 0 deletions.
diff --git a/cores/arduino/zephyrCommon.cpp b/cores/arduino/zephyrCommon.cpp
@@ -464,3 +464,18 @@ void disableInterrupt(pin_size_t pinNumber) {
     pcb->handlers[BIT(arduino_pins[pinNumber].pin)].enabled = false;
   }
 }
+
+static unsigned int irq_key = UINT_MAX;
+
+void interrupts(void) {
+  if (irq_key != UINT_MAX) {
+    irq_unlock(irq_key);
+    irq_key = UINT_MAX;
+  }
+}
+
+void noInterrupts(void) {
+  if (irq_key == UINT_MAX) {
+    irq_key = irq_lock();
+  }
+}