Maxim-integrated 73M1822/73M1922 Hardware Module for SMDK412 Manuel d'utilisateur télécharger pdf (Page 15)

UG_1x22_054 73M1822/73M1922 Hardware Module for SMDK412 User Guide

Rev. 1.1 15

3.6.10 TSC_1X22_MAFE_SET_REG_AUTO_POLL

Description

This IOCLT starts/stops the automatic polling of the 73M1x22 device registers dependent upon the user

supplied arguments. An argument (mask) of 0 disables this feature.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_SET_REG_AUTO_POLL,

unsigned int mask);

Parameters

Data Type Name Description

int

Channel descriptor.

int

TSC_1X22_MAFE_SET_REG_AUTO_POLL

I/O control identifier.

unsigned int

mask

If mask[bit i] is set then poll register i.

Return Values

Data Type Description

int

0 = Success.

-1 = Failure.

3.6.11 TSC_1X22_MAFE_IRQ_HW

Description

This IOCTL enables the use of the HW interrupt pin on the 73M1x22 device to be reported through the

HW Module. The current SMDK interrupt assigned is through EINT11 / IRQ 39. The interrupt is enabled

by default after this call.

Prototype

int ioctl (

int fd,

int TSC_1X22_MAFE_IRQ_HW);

Parameters

Data Type Name Description

int

Channel descriptor.

int

TSC_1X22_MAFE_IRQ_HW

I/O control identifier.

Return Values

Data Type Description

int

Returns 0 upon success, -1 upon failure

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Maxim-integrated 73M1822/73M1922 Hardware Module for SMDK412 Manuel d'utilisateur Page 15

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