Ioctl_Hal_Get_Reset_Info - Intermec 730 User Manual

Chapter 7 — Programming

IOCTL_HAL_GET_RESET_INFO

BOOL KernelIoControl( IOCTL_HAL_GET_RESET_INFO,LPVOID lpInBuf,DWORD
nInBufSize,LPVOID lpOutBuf,DWORD nOutBufSize,LPDWORD lpBytesReturned );
typedef struct {
DWORD ResetReason;
DWORD ObjectStoreState;
} HAL_RESET_INFO, * PHAL_RESET_INFO;
// Reset reason types
#define HAL_RESET_TYPE_UNKNOWN
#define HAL_RESET_REASON_HARDWARE
#define HAL_RESET_REASON_SOFTWARE
#define HAL_RESET_REASON_WATCHDOG
#define HAL_RESET_BATT_FAULT
#define HAL_RESET_VDD_FAULT
// Object store state flags
#define HAL_OBJECT_STORE_STATE_UNKNOWN
#define HAL_OBJECT_STORE_STATE_CLEAR
218
Parameters
lpInBuf Should be set to NULL.
lpInBufSize Should be set to zero.
lpOutBuf Should be NULL.
nOutBufSize Should be zero.
Return Values
None.
This code allows software to check the type of the most recent reset.
Usage
#include "oemioctl.h"
Syntax
Parameters
lpInBuf Should be set to NULL.
lpInBufSize Should be set to zero.
lpOutBuf Must point to a HAL_RESET_INFO structure. See sample below.
nOutBufSize The size of HAL_RESET_INFO in bytes.
lpBytesReturned The number of bytes returned by the function.
Return Values
Returns TRUE if function succeeds. Returns FALSE if the function fails.
GetLastError() may be used to get the extended error value.
Sample
// most recent reset type
// state of object store
0
1 // cold
2 // suspend
4
8 // power fail
16 // warm boot
0
1
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