Advantech RISC SOM-A2558 Technické informace stáhnout pdf (Strana 32)

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Advantech SOM-A200 series Software Manual

WDT Control Codes

There are 8 control codes for the operation codes in the WDT1 driver:

1. IOCTL_ENABLE_WDT (0x1001):

Enables the Watchdog timer on your application. Your application must trigger to Watchdog timer by

IOCTL_ACCESS_WDT interface during specified period, otherwise the device will reboot

automatically

lpInBuffer : unsed.

nInBufferSize: unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

2. IOCTL_DISABLE_WDT (0x1002):

Disable the Watchdog time on your application.

lpInBuffer : unsed.

nInBufferSize: unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

3. IOCTL_GET_WDTPERIOD (0x1003):

lpInBuffer :unused.

nInBufferSize: unused.

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