Advantech PCM-7130 Bedienungsanleitung PDF herunterladen (Seite 61)

49 Chapter 3

4. IOCTL_SET_WDTPERIOD (0x1004):

lpInBuffer : the DWORD pointer to your Watchdog time setting. Its vlaue

should be greater 1000. The unit is mini-second. If your application open

the WDT driver, the default Watchdog Time 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 the your Watch-

dog 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 mini-second. If the value is 0, screen-off function is dis-

abled.

nOutBufferSize: unused.

7. IOCTL_SET_SCREENOFFTIME (0x1007):

lpInBuffer : the DWORD pointer to your screen off time if user-interface

idled. The unit is mini-second. If the value is 0, screen-off function is dis-

abled.

nInBufferSize:unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

8. IOCTL_SET_SCREENOFF (0x1010):

Set the LCD power off immediately.

lpInBuffer : unused.

nInBufferSize:.unused.

lpOutBuffer: unused.

nOutBufferSize: unused.

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Advantech PCM-7130 Bedienungsanleitung Seite 61