reduce interrupt latency

dernasherbrezon · Dec 1, 2024 · 230c18d · 230c18d
1 parent 77114fe
commit 230c18d
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/test/test_app/main/sx127x_fixture.c b/test/test_app/main/sx127x_fixture.c
@@ -18,10 +18,13 @@
 
 static const char *TAG = "sx127x_test";
 static SemaphoreHandle_t xBinarySemaphore;
-static BaseType_t xHigherPriorityTaskWoken = pdFALSE;
 
 void IRAM_ATTR handle_interrupt_fromisr(void *arg) {
+  BaseType_t xHigherPriorityTaskWoken = pdFALSE;
   xSemaphoreGiveFromISR(xBinarySemaphore, &xHigherPriorityTaskWoken);
+  if (xHigherPriorityTaskWoken == pdTRUE) {
+    portYIELD_FROM_ISR();
+  }
 }
 
 void handle_interrupt_task(void *arg) {