AMD LX800 Uživatelský manuál stáhnout pdf (Strana 60)

TPC-660G User Manual 50

C.2 How to Use the Control Code

There are 6 control codes for the operation codes in the WDT driver.

C.2.1 IOCTL _WDT_ENABLE:

Enables the watchdog timer of your application. By default, if the watch-

dog timer is enabled, the WDT driver will automatically trigger itself

after the specified period and your application does not need to trigger the

watchdog timer.

lpInBuffer: unused.

nInBufferSize: unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

C.2.2 IOCTL _WDT_DISABLE:

Disables the watchdog time of your application.

lpInBuffer : unsed.

nInBufferSize: unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

C.2.3 IOCTL_WDT_STROBE:

Triggers the watchdog. If your application uses IOCTL_WDT_ENABLE

to enable the watchdog first and then sends IOCTL_WDT_REBOOT to

the WDT driver, your application must trigger the watchdog once during

the watchdog timer period. If your application has not triggered at the

specified period, the device will reboot automatically.

lpInBuffer: unused.

nInBufferSize: unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

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AMD LX800 Uživatelský manuál Strana 60