Rockwell-automation 2711P Software Development Kit User Manual Manual de usuario Pagina 68

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Publication 2711P-UM005A-EN-P - March 2007
68 PanelView Plus CE-Specific Extensions to the WinCE API
Return Values:
Remarks:
The watchdog register and some non-volatile codes in CMOS support
the Last Boot Reason. An application can use this function to
determine its startup behavior based on how the system was last
shutdown.
Portability:
This function is specific to PanelView Plus CE and the RAC6182
hardware. Some of the return codes are different between the
platforms.
Requirements:
hm_GetBootReason - Return Codes
Value Description
BOOT_REASON_
WARM_REQUESTED
The System was reset by hm_RebootBoard(). Possibly
called by the Software Watchdog.
BOOT_REASON_
WARM_INTERNAL
The System was reset by some operating system
operation, such as the boot ROM, or a firmware update
that required a reboot.
BOOT_REASON_
WATCHDOG
The hardware watchdog reset the System. Possible
causes are a software or hardware failure.
BOOT_REASON_
COLD_POWER_CYCLE
The board was powered down and the system was
rebooted after enough time for RAM to discharge.
BOOT_REASON_
UNKNOWN
The System was reset but the reason is unknown.
Possible causes are a software or hardware failure, or
simply power down during boot, or an extremely brief
power outage wherein memory endures.
BOOT_REASON_RESET_
BUTTON_OR_BROWNOUT
The System has been rebooted. The board reset button
was pressed or the power supply dropped below an
acceptable voltage level.
BOOT_REASON_
CPU_TOO_HOT
The CPU temperature was too high and the system was
shutdown by the CPU temperature sensor. Possible
causes are a failure of the heat sink or an extremely
high ambient temperature.
Runs On Version Defined In Link To
PanelView Plus CE
RAC6182
All HardwareMonitorAPI.h HardwareMonitor.lib
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