Fix hardware timers

Fixes: #5337 Fixes: #4743 Thanks to @maxgerhardt
espressif · Jun 28, 2021 · 8f46bad · 8f46bad
1 parent 21947eb
commit 8f46bad
Showing 1 changed file with 7 additions and 1 deletion.
diff --git a/cores/esp32/esp32-hal-timer.c b/cores/esp32/esp32-hal-timer.c
@@ -47,7 +47,7 @@
 #define HWTIMER_LOCK()      portENTER_CRITICAL(timer->lock)
 #define HWTIMER_UNLOCK()    portEXIT_CRITICAL(timer->lock)
 
-typedef struct {
+typedef volatile struct {
     union {
         struct {
             uint32_t reserved0:   10;
@@ -272,6 +272,12 @@ void timerEnd(hw_timer_t *timer){
 }
 
 void timerAttachInterrupt(hw_timer_t *timer, void (*fn)(void), bool edge){
+#if CONFIG_IDF_TARGET_ESP32
+    if(edge){
+        log_w("EDGE timer interrupt does not work properly on ESP32! Setting to LEVEL...");
+        edge = false;
+    }
+#endif
     static bool initialized = false;
     static intr_handle_t intr_handle = NULL;
     if(intr_handle){