Advantech RISC SOM-A2558 Informações Técnicas descarregar pdf (Página 33)

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Advantech SOM-A200 series Software Manual

lpOutBuffer: the DWORD pointer to your Watchdog time setting. The unit is mini-second. Its value

should be greater 1000. The default setting is 5000 mini-seconds.

nOutBufferSize: unused.

4. IOCTL_SET_WDTPERIOD (0x1004):

lpInBuffer : the DWORD pointer to your Watchdog time setting. Its value should be greater 1000. The

unit is mini-second. If your application opens the WDT driver, the default Watchdog timer is set to

5000 mini-seconds.

nInBufferSize:.unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

5. IOCTL_ACCESS_WDT (0x1005):

Your application must trigger the Watchdog once during your Watchdog timer period. If your

application has not trigger at the specified period, the device will reboot automatically.

lpInBuffer :unused.

nInBufferSize:.unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

6. IOCTL_GET_SCREENOFFTIME (0x1006):

lpInBuffer :unused.

nInBufferSize: unused.

lpOutBuffer: the DWORD pointer to your screen off time if user-interface idled. The unit is

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Advantech RISC SOM-A2558 Informações Técnicas Página 33