1.1.2.3.5 DRV_AK4954_Status Function
SYS_STATUS DRV_AK4954_Status( SYS_MODULE_OBJ object)
Summary
Gets the current status of the AK4954 driver module.
Description
This routine provides the current status of the AK4954 driver module.
Preconditions
Function DRV_AK4954_Initialize should have been called before calling this function.
Parameters
Parameters | Description |
---|---|
object | Driver object handle, returned from the DRV_AK4954_Initialize routine |
Returns
SYS_STATUS_DEINITIALIZED - Indicates that the driver has been deinitialized
SYS_STATUS_READY - Indicates that any previous module operation for the specified module has completed
SYS_STATUS_BUSY - Indicates that a previous module operation for the specified module has not yet completed
SYS_STATUS_ERROR - Indicates that the specified module is in an error state
Remarks
A driver can opened only when its status is SYS_STATUS_READY.
Example
SYS_MODULE_OBJ object; _\/\/ Returned from DRV_AK4954_Initialize_ SYS_STATUS AK4954Status; AK4954Status = DRV_AK4954_Status(object); if (SYS_STATUS_READY == AK4954Status) { _\/\/ This means the driver can be opened using the_ _\/\/ DRV_AK4954_Open() function._ }
C
SYS_STATUS DRV_AK4954_Status(SYS_MODULE_OBJ object);