From 50a472715f2b38c45f0d8ec11b5957ee80737eef Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Sat, 27 Feb 2016 08:00:47 +0000
Subject: Fixed bug #711.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@8952 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/STM32/STM32L4xx/ext_lld_isr.c | 40 +++++++++++++++++++-----------
 1 file changed, 26 insertions(+), 14 deletions(-)

(limited to 'os/hal/ports/STM32/STM32L4xx')

diff --git a/os/hal/ports/STM32/STM32L4xx/ext_lld_isr.c b/os/hal/ports/STM32/STM32L4xx/ext_lld_isr.c
index 32c113e9b..dc4e5f002 100644
--- a/os/hal/ports/STM32/STM32L4xx/ext_lld_isr.c
+++ b/os/hal/ports/STM32/STM32L4xx/ext_lld_isr.c
@@ -58,7 +58,8 @@ OSAL_IRQ_HANDLER(Vector58) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 0);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 0);
   EXTI->PR1 = pr;
   if (pr & (1U << 0))
     EXTD1.config->channels[0].cb(&EXTD1, 0);
@@ -76,7 +77,8 @@ OSAL_IRQ_HANDLER(Vector5C) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 1);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 1);
   EXTI->PR1 = pr;
   if (pr & (1U << 1))
     EXTD1.config->channels[1].cb(&EXTD1, 1);
@@ -94,7 +96,8 @@ OSAL_IRQ_HANDLER(Vector60) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 2);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 2);
   EXTI->PR1 = pr;
   if (pr & (1U << 2))
     EXTD1.config->channels[2].cb(&EXTD1, 2);
@@ -112,7 +115,8 @@ OSAL_IRQ_HANDLER(Vector64) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 3);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 3);
   EXTI->PR1 = pr;
   if (pr & (1U << 3))
     EXTD1.config->channels[3].cb(&EXTD1, 3);
@@ -130,7 +134,8 @@ OSAL_IRQ_HANDLER(Vector68) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 4);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 4);
   EXTI->PR1 = pr;
   if (pr & (1U << 4))
     EXTD1.config->channels[4].cb(&EXTD1, 4);
@@ -148,8 +153,9 @@ OSAL_IRQ_HANDLER(Vector9C) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & ((1U << 5) | (1U << 6) | (1U << 7) | (1U << 8) |
-                               (1U << 9));
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & ((1U << 5) | (1U << 6) | (1U << 7) | (1U << 8) |
+                      (1U << 9));
   EXTI->PR1 = pr;
   if (pr & (1U << 5))
     EXTD1.config->channels[5].cb(&EXTD1, 5);
@@ -175,8 +181,9 @@ OSAL_IRQ_HANDLER(VectorE0) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & ((1U << 10) | (1U << 11) | (1U << 12) | (1U << 13) |
-                               (1U << 14) | (1U << 15));
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & ((1U << 10) | (1U << 11) | (1U << 12) | (1U << 13) |
+                      (1U << 14) | (1U << 15));
   EXTI->PR1 = pr;
   if (pr & (1U << 10))
     EXTD1.config->channels[10].cb(&EXTD1, 10);
@@ -204,7 +211,8 @@ OSAL_IRQ_HANDLER(Vector44) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 16);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 16);
   EXTI->PR1 = pr;
   if (pr & (1U << 16))
     EXTD1.config->channels[16].cb(&EXTD1, 16);
@@ -234,7 +242,8 @@ OSAL_IRQ_HANDLER(VectorE4) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 18);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 18);
   EXTI->PR1 = pr;
   if (pr & (1U << 18))
     EXTD1.config->channels[18].cb(&EXTD1, 18);
@@ -252,7 +261,8 @@ OSAL_IRQ_HANDLER(Vector48) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 19);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 19);
   EXTI->PR1 = pr;
   if (pr & (1U << 19))
     EXTD1.config->channels[19].cb(&EXTD1, 19);
@@ -270,7 +280,8 @@ OSAL_IRQ_HANDLER(Vector4C) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & (1U << 20);
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & (1U << 20);
   EXTI->PR1 = pr;
   if (pr & (1U << 20))
     EXTD1.config->channels[20].cb(&EXTD1, 20);
@@ -288,7 +299,8 @@ OSAL_IRQ_HANDLER(Vector140) {
 
   OSAL_IRQ_PROLOGUE();
 
-  pr = EXTI->PR1 & EXTI->IMR1 & ( (1U << 21) | ( 1U << 22 ) );
+  pr = EXTI->PR1;
+  pr &= EXTI->IMR1 & ( (1U << 21) | ( 1U << 22 ) );
   EXTI->PR1 = pr;
   if (pr & (1U << 21))
     EXTD1.config->channels[21].cb(&EXTD1, 21);
-- 
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