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authorgdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2008-04-18 12:33:52 +0000
committergdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>2008-04-18 12:33:52 +0000
commit792c528dbc75f0ffeb19766594607bee73fa36ad (patch)
tree5ba15b026fe89c4993dd92af6fecb35f9e1179aa /ports/ARMCM3/nvic.c
parentf71ba1635af2197a9543a37ea2b19a608a28320f (diff)
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@270 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'ports/ARMCM3/nvic.c')
-rw-r--r--ports/ARMCM3/nvic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/ports/ARMCM3/nvic.c b/ports/ARMCM3/nvic.c
index c36229c9c..dbb4935c0 100644
--- a/ports/ARMCM3/nvic.c
+++ b/ports/ARMCM3/nvic.c
@@ -21,7 +21,8 @@
#include <nvic.h>
void NVICEnableVector(uint32_t n, uint32_t prio) {
+ int sh = (n & 3) << 3;
- NVIC_IPR(n >> 2) = (NVIC_IPR(n >> 2) & ~(0xFF << (n & 3))) | (prio << (n & 3));
+ NVIC_IPR(n >> 2) = (NVIC_IPR(n >> 2) & ~(0xFF << sh)) | (prio << sh);
NVIC_ISER(n >> 5) = 1 << (n & 0x1F);
}