From 99cde11e05f2ccae253731e0cd058715003427fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rom=C3=A1n=20C=C3=A1rdenas?= <rcardenas.rod@gmail.com>
Date: Tue, 27 Jun 2023 15:27:15 +0200
Subject: [PATCH] trigger SWI when changing threshold

---
 riscv-slic-macros/src/api.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/riscv-slic-macros/src/api.rs b/riscv-slic-macros/src/api.rs
index b9bd044..e13b7af 100644
--- a/riscv-slic-macros/src/api.rs
+++ b/riscv-slic-macros/src/api.rs
@@ -26,6 +26,10 @@ pub fn api_mod() -> TokenStream {
         pub unsafe fn __slic_set_threshold(thresh: u8) {
             exti_set_threshold(thresh);
             __SLIC.set_threshold(thresh);
+            // check if we need to trigger a software interrupt after changing the threshold
+            if __SLIC.is_ready() {
+                swi_set();
+            }
         }
 
         /// Returns the interrupt priority of a given software interrupt source.