From b2bd02f3df7e59ea4e8618f3bcdb14cf860e797b Mon Sep 17 00:00:00 2001
From: edolomb <none@example.com>
Date: Fri, 11 Aug 2017 13:54:22 +0000
Subject: Added macros Enabled/Disabled write protection

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10398 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/ports/SAMA/SAMA5D2x/aic.c | 12 ++++++------
 os/hal/ports/SAMA/SAMA5D2x/aic.h | 18 ++++++++++++++++++
 2 files changed, 24 insertions(+), 6 deletions(-)

(limited to 'os')

diff --git a/os/hal/ports/SAMA/SAMA5D2x/aic.c b/os/hal/ports/SAMA/SAMA5D2x/aic.c
index 5be032cf0..311324a10 100644
--- a/os/hal/ports/SAMA/SAMA5D2x/aic.c
+++ b/os/hal/ports/SAMA/SAMA5D2x/aic.c
@@ -83,7 +83,7 @@ void aicConfigureInt(uint32_t source, uint8_t prior) {
   Aic *aic = SAIC;
 
   /* Disable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD;
+  aicDisableWP(aic);
   /* Set source id */
   aic->AIC_SSR = source;
   /* Disable the interrupt first */
@@ -93,7 +93,7 @@ void aicConfigureInt(uint32_t source, uint8_t prior) {
   /* Clear interrupt */
   aic->AIC_ICCR = AIC_ICCR_INTCLR;
   /* Enable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN;
+  aicEnableWP(aic);
 }
 
 /**
@@ -107,12 +107,12 @@ void aicSetSourceVector(uint32_t source, bool (*handler)(void)) {
   Aic *aic = SAIC;
 
   /* Disable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD;
+  aicDisableWP(aic);
   /* Select source and assign handler */
   aic->AIC_SSR = AIC_SSR_INTSEL(source);
   aic->AIC_SVR = (uint32_t)handler;
   /* Enable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN;
+  aicEnableWP(aic);
 }
 
 /**
@@ -125,11 +125,11 @@ void aicSetSpuriousVector(bool (*handler)(void)) {
   Aic *aic = SAIC;
 
   /* Disable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD;
+  aicDisableWP(aic);
   /* Assign handler */
   aic->AIC_SPU = (uint32_t)handler;
   /* Enable write protection */
-  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN;
+  aicEnableWP(aic);
 }
 
 /**
diff --git a/os/hal/ports/SAMA/SAMA5D2x/aic.h b/os/hal/ports/SAMA/SAMA5D2x/aic.h
index 8ee0fa8f7..efecaf6bb 100644
--- a/os/hal/ports/SAMA/SAMA5D2x/aic.h
+++ b/os/hal/ports/SAMA/SAMA5D2x/aic.h
@@ -44,7 +44,25 @@
 /*===========================================================================*/
 /* Driver macros.                                                            */
 /*===========================================================================*/
+/**
+ * @brief   Enable write protection on AIC registers block.
+ *
+ * @param[in] aicx    pointer to a AIC register block
+ * @api
+ */
+#define aicEnableWP(aic) {                                                  \
+  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN;                    \
+}
 
+/**
+ * @brief   Disable write protection on AIC registers block.
+ *
+ * @param[in] aicx    pointer to a AIC register block
+ * @api
+ */
+#define aicDisableWP(aic) {                                                 \
+  aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD;                                    \
+}
 /*===========================================================================*/
 /* External declarations.                                                    */
 /*===========================================================================*/
-- 
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