diff options
Diffstat (limited to 'os/hal/ports/SAMA/SAMA5D2x/aic.c')
| -rw-r--r-- | os/hal/ports/SAMA/SAMA5D2x/aic.c | 44 |
1 files changed, 36 insertions, 8 deletions
diff --git a/os/hal/ports/SAMA/SAMA5D2x/aic.c b/os/hal/ports/SAMA/SAMA5D2x/aic.c index 311324a10..a63b533c3 100644 --- a/os/hal/ports/SAMA/SAMA5D2x/aic.c +++ b/os/hal/ports/SAMA/SAMA5D2x/aic.c @@ -45,6 +45,32 @@ /*===========================================================================*/
/*===========================================================================*/
+/* Driver local macros. */
+/*===========================================================================*/
+
+/**
+ * @brief Enable write protection on AIC registers block.
+ *
+ * @param[in] aicp pointer to a AIC register block
+ *
+ * @notapi
+ */
+#define aicEnableWP(aicp) { \
+ aicp->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD | AIC_WPMR_WPEN; \
+}
+
+/**
+ * @brief Disable write protection on AIC registers block.
+ *
+ * @param[in] aicp pointer to a AIC register block
+ *
+ * @notapi
+ */
+#define aicDisableWP(aicp) { \
+ aicp->AIC_WPMR = AIC_WPMR_WPKEY_PASSWD; \
+}
+
+/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
@@ -73,15 +99,17 @@ void aicInit(void) { /**
* @brief Configures an interrupt in the AIC.
+ * @note Source cannot be ID_SAIC_FIQ (0).
*
* @param[in] source interrupt source to configure
- * @param[in] prior priority level of the source selected
- * by INTSEL except FIQ source (source 0).
+ * @param[in] priority priority level of the selected source.
*/
-void aicConfigureInt(uint32_t source, uint8_t prior) {
+void aicSetSourcePriority(uint32_t source, uint8_t priority) {
Aic *aic = SAIC;
+ osalDbgCheck(source != ID_SAIC_FIQ);
+
/* Disable write protection */
aicDisableWP(aic);
/* Set source id */
@@ -89,7 +117,7 @@ void aicConfigureInt(uint32_t source, uint8_t prior) { /* Disable the interrupt first */
aic->AIC_IDCR = AIC_IDCR_INTD;
/* Configure priority */
- aic->AIC_SMR = AIC_SMR_PRIOR(prior);
+ aic->AIC_SMR = AIC_SMR_PRIOR(priority);
/* Clear interrupt */
aic->AIC_ICCR = AIC_ICCR_INTCLR;
/* Enable write protection */
@@ -97,12 +125,12 @@ void aicConfigureInt(uint32_t source, uint8_t prior) { }
/**
- * @brief Sets the source vector of an interrupt.
+ * @brief Sets the source handler of an interrupt.
*
* @param[in] source interrupt source to configure
* @param[in] handler handler for the interrupt source selected
*/
-void aicSetSourceVector(uint32_t source, bool (*handler)(void)) {
+void aicSetSourceHandler(uint32_t source, bool (*handler)(void)) {
Aic *aic = SAIC;
@@ -116,11 +144,11 @@ void aicSetSourceVector(uint32_t source, bool (*handler)(void)) { }
/**
- * @brief Sets the spurious vector of an interrupt.
+ * @brief Sets the spurious handler of an interrupt.
*
* @param[in] handler handler for the interrupt
*/
-void aicSetSpuriousVector(bool (*handler)(void)) {
+void aicSetSpuriousHandler(bool (*handler)(void)) {
Aic *aic = SAIC;
|