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Added macros Enabled/Disabled write protection 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10398 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
edolomb 2017-08-11 13:54:22 +00:00
parent a152d4e545
commit b2bd02f3df
2 changed files with 24 additions and 6 deletions
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12
os/hal/ports/SAMA/SAMA5D2x/aic.c
View File

@ -83,7 +83,7 @@ void aicConfigureInt(uint32_t source, uint8_t prior) {
Aic *aic = SAIC; Aic *aic = SAIC;
/* Disable write protection */ /* Disable write protection */
aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD; aicDisableWP(aic);
/* Set source id */ /* Set source id */
aic->AIC_SSR = source; aic->AIC_SSR = source;
/* Disable the interrupt first */ /* Disable the interrupt first */
@ -93,7 +93,7 @@ void aicConfigureInt(uint32_t source, uint8_t prior) {
/* Clear interrupt */ /* Clear interrupt */
aic->AIC_ICCR = AIC_ICCR_INTCLR; aic->AIC_ICCR = AIC_ICCR_INTCLR;
/* Enable write protection */ /* 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; Aic *aic = SAIC;
/* Disable write protection */ /* Disable write protection */
aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD; aicDisableWP(aic);
/* Select source and assign handler */ /* Select source and assign handler */
aic->AIC_SSR = AIC_SSR_INTSEL(source); aic->AIC_SSR = AIC_SSR_INTSEL(source);
aic->AIC_SVR = (uint32_t)handler; aic->AIC_SVR = (uint32_t)handler;
/* Enable write protection */ /* 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; Aic *aic = SAIC;
/* Disable write protection */ /* Disable write protection */
aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD; aicDisableWP(aic);
/* Assign handler */ /* Assign handler */
aic->AIC_SPU = (uint32_t)handler; aic->AIC_SPU = (uint32_t)handler;
/* Enable write protection */ /* Enable write protection */
aic->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN; aicEnableWP(aic);
} }
/** /**

18
os/hal/ports/SAMA/SAMA5D2x/aic.h
View File

@ -44,7 +44,25 @@
/*===========================================================================*/ /*===========================================================================*/
/* Driver macros. */ /* 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. */ /* External declarations. */
/*===========================================================================*/ /*===========================================================================*/