Maxim-integrated 73M1822/73M1922 Hardware Module for SMDK412 Instrukcja Użytkownika Strona 18

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73M1822/73M1922 Hardware Module for SMDK412 User Guide UG_1x22_054
18 Rev. 1.1
3.6.16 TSC_1X22_MAFE_IRQ_DOWN_TRY
Description
This IOCTL attempts a mutex down_try call on an internal mutex. This IOCTL does not block and always
completes.
Prototype
int ioctl (
int fd,
int TSC_1X22_MAFE_IRQ_DOWN_TRY);
Parameters
Data Type Name Description
int
fd
Channel descriptor.
int
TSC_1X22_MAFE_IRQ_DOWN_TRY
I/O control identifier.
Return Values
Data Type Description
int
Returns 0 upon successfully acquiring the lock, non-zero upon failure.
3.6.17 TSC_1X22_MAFE_IRQ_UP
Description
This IOCTL attempts a mutex up call on an internal mutex. This IOCTL does not block and always
completes.
Prototype
int ioctl (
int fd,
int TSC_1X22_MAFE_IRQ_UP);
Parameters
Data Type Name Description
int
fd
Channel descriptor.
int
TSC_1X22_MAFE_IRQ_UP
I/O control identifier.
Return Values
Data Type Description
int
0 = Success.
-1 = Failure.
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