CC3200 Peripheral Driver Library User's Guide: HwSpinLock_api

CC3200 Peripheral Driver

CC3200 Peripheral Driver Library User's Guide  1.2.0
HwSpinLock_api

Functions

void HwSpinLockAcquire (uint32_t ui32LockID)
 
int32_t HwSpinLockTryAcquire (uint32_t ui32LockID, uint32_t ui32Retry)
 
void HwSpinLockRelease (uint32_t ui32LockID)
 
uint32_t HwSpinLockTest (uint32_t ui32LockID, bool bCurrentStatus)
 

Detailed Description

Function Documentation

void HwSpinLockAcquire ( uint32_t  ui32LockID)

Acquire specified spin lock.

Parameters
ui32LockIDis one of the valid spin lock.

This function acquires specified spin lock and will not retun util the specified lock is acquired.

The parameter ui32LockID should HWSPINLOCK_MCSPIS0.

return None.

void HwSpinLockRelease ( uint32_t  ui32LockID)

Release a previously owned spin lock

Parameters
ui32LockIDis one of the valid spin lock.

This function releases previously owned spin lock.

Returns
None.
uint32_t HwSpinLockTest ( uint32_t  ui32LockID,
bool  bCurrentStatus 
)

Get the current or previous ownership status.

Parameters
ui32LockIDis one of the valid spin lock.
bCurrentStatusis true for current status, flase otherwise

This function gets the current or previous ownership status of the specified spin lock based on bCurrentStatus parameter.

Returns
Returns HWSPINLOCK_OWNER_APPS, HWSPINLOCK_OWNER_NWP or HWSPINLOCK_OWNER_NONE.
int32_t HwSpinLockTryAcquire ( uint32_t  ui32LockID,
uint32_t  ui32Retry 
)

Try to acquire specified spin lock.

Parameters
ui32LockIDis one of the valid spin lock.
ui32Retryis the number of reties.

This function tries acquire specified spin lock in ui32Retry retries.

The parameter ui32Retry can be any value between 0 and 2^32.

return Returns 0 on success, -1 otherwise.

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