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dm36x: Add interrupt-enable function for application code.

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Kelvin Lawson
2013-11-02 17:58:28 +00:00
parent 9f5e709ba2
commit 29a48d310e
2 changed files with 50 additions and 4 deletions
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ports/arm/atomport.h
+2 -1
View File
@@ -60,7 +60,8 @@ extern int archUsleepCheckExpired (int32_t start_time, int32_t delay_usecs);
* ISR handler registration (optional, not available on all ports) * ISR handler registration (optional, not available on all ports)
*/ */
typedef void (*ISR_FUNC)(void); typedef void (*ISR_FUNC)(void);
extern int archISRInstall (int int_vector, ISR_FUNC isr_func); extern int archIntInstallISR (int int_vector, ISR_FUNC isr_func);
extern int archIntEnable (int int_vector, int enable);
/** /**
* *
ports/arm/platforms/dm36x/atomport-private.c
+48 -3
View File
@@ -151,7 +151,7 @@ low_level_init (void)
/** /**
* \b archISRInstall * \b archIntInstallISR
* *
* Register an interrupt handler to be called if a particular * Register an interrupt handler to be called if a particular
* interrupt vector occurs. * interrupt vector occurs.
@@ -166,7 +166,7 @@ low_level_init (void)
* @retval ATOM_OK Success * @retval ATOM_OK Success
* @retval ATOM_ERROR Error * @retval ATOM_ERROR Error
*/ */
int archISRInstall (int int_vector, ISR_FUNC isr_func) int archInstallISR (int int_vector, ISR_FUNC isr_func)
{ {
int status; int status;
@@ -179,7 +179,52 @@ int archISRInstall (int int_vector, ISR_FUNC isr_func)
else else
{ {
/* Valid vector, install it in the ISR table */ /* Valid vector, install it in the ISR table */
isr_handlers[int_vector] = isr_func; isr_handlers[int_vector] = isr_func;
status = ATOM_OK;
}
return (status);
}
/**
* \b archIntEnable
*
* Enable/unmask an interrupt in the interrupt controller.
* @param[in] int_vector Interrupt vector to enable/disable
* @param[in] enable TRUE=enable, FALSE=disable
*
* @retval ATOM_OK Success
* @retval ATOM_ERROR Error
*/
int archIntEnable (int int_vector, int enable)
{
CRITICAL_STORE;
int status;
/* Check vector is valid */
if ((int_vector < 0) || (int_vector > DM36X_INTC_MAX_VEC))
{
/* Invalid vector number */
status = ATOM_ERROR;
}
else
{
/* Valid vector, mask or unmask it using RMW */
CRITICAL_START();
if (enable)
{
/* Enable/unmask the interrupt */
INTC_REG(((int_vector >= 32) ? DM36X_INTC_EINT1 : DM36X_INTC_EINT0))
|= (1 << ((int_vector >= 32) ? (int_vector - 32) : int_vector));
}
else
{
/* Disable/mask the interrupt */
INTC_REG(((int_vector >= 32) ? DM36X_INTC_EINT1 : DM36X_INTC_EINT0))
|= (1 << ((int_vector >= 32) ? (int_vector - 32) : int_vector));
}
CRITICAL_END();
status = ATOM_OK; status = ATOM_OK;
} }