From f23dcac7b9235887b75fb4a04f715693ad99b34f Mon Sep 17 00:00:00 2001
From: bnewbold <bnewbold@robocracy.org>
Date: Sun, 18 Jul 2010 23:23:26 -0400
Subject: nvic_disable_interrupt

---
 libmaple/nvic.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'libmaple/nvic.c')

diff --git a/libmaple/nvic.c b/libmaple/nvic.c
index e540894..d8745a4 100644
--- a/libmaple/nvic.c
+++ b/libmaple/nvic.c
@@ -63,6 +63,22 @@ void nvic_enable_interrupt(uint32 n) {
     }
 }
 
+/**
+ *  @brief turn off interrupt number n
+ *  @param[in] n interrupt number
+ */
+void nvic_disable_interrupt(uint32 n) {
+    if (n >= NVIC_NR_INTERRUPTS) {
+        return;
+    }
+
+    if (n < 32) {
+        REG_SET_BIT(NVIC_ICER0, n);
+    } else {
+        REG_SET_BIT(NVIC_ICER1, n - 32);
+    }
+}
+
 
 
 /**
-- 
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