/*
@func DWORD | OEMEthGetSecs | Returns a free-running seconds count.
@rdesc Number of elapsed seconds since last roll-over.
@comm
@xref
*/
DWORD OEMEthGetSecs(void)
{
SYSTEMTIME sTime;
OEMGetRealTime(&sTime);
return((60UL * (60UL * (24UL * (31UL * sTime.wMonth + sTime.wDay) + sTime.wHour) + sTime.wMinute)) + sTime.wSecond);
}
DWORD OEMKitlGetSecs()
{
SYSTEMTIME st;
DWORD dwRet;
static DWORD dwLastTime; // For making sure we aren't running backward
static DWORD dwBias;
// after post-init, it's possible that someone is holding the RTC CS, and we cannot safely call OEMGetRealTime while in KITL.
// So we use CurMSec directly after post init.
// NOTE: if this function is called while interrupts are off, the time will not advance.
//
if (!IsAfterPostInit())
{
OEMGetRealTime( &st );
dwRet = ((60UL * (60UL * (24UL * (31UL * st.wMonth + st.wDay) + st.wHour) + st.wMinute)) + st.wSecond);
dwBias = dwRet;
}
else
{
dwRet = (CurMSec/1000) + dwBias;
}
if (dwRet < dwLastTime)
{
KITLOutputDebugString ("! Time went backwards (or wrapped): cur: %u, last %u\n",
dwRet,dwLastTime);
}
dwLastTime = dwRet;
return (dwRet);
}
//------------------------------------------------------------------------------
//
// Function: OALIoCtlHalInitRTC
//
// This function is called by WinCE OS to initialize the time after boot.
// Input buffer contains SYSTEMTIME structure with default time value.
// If hardware has persistent real time clock it will ignore this value
// (or all call).
//
BOOL OALIoCtlHalInitRTC(
UINT32 code, VOID *pInpBuffer, UINT32 inpSize,
VOID *pOutBuffer, UINT32 outSize, UINT32 *pOutSize)
{
BOOL rc = FALSE;
BOOL bResetRTC = FALSE;
SYSTEMTIME SysTime;
OALMSG(OAL_IOCTL&&OAL_FUNC, (L"+OALIoCtlHalInitRTC(...)\r\n"));
// Validate inputs
if (pInpBuffer == NULL || inpSize < sizeof(SYSTEMTIME)) {
NKSetLastError(ERROR_INVALID_PARAMETER);
OALMSG(OAL_ERROR, (
L"ERROR: OALIoCtlHalInitRTC: Invalid parameter\r\n"
));
goto cleanUp;
}
// Initialize critical section for RTC functions.
InitializeCriticalSection(&g_oalRTCcs);
g_oalRTCcsInit = 1;
// Add static mapping for RTC alarm
OALIntrStaticTranslate(SYSINTR_RTC_ALARM, IRQ_RTC_ALARM);
OEMGetRealTime(&SysTime);
/* RTC Time validity check */
bResetRTC = (SysTime.wYear < RTC_YEAR_DATUM || (SysTime.wYear - RTC_YEAR_DATUM) > 99) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wMonth > 12 || SysTime.wMonth < 1) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wDay > 31 || SysTime.wDay < 1) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wDayOfWeek > 6 || SysTime.wDayOfWeek < 0) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wHour > 23 || SysTime.wHour < 0) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wMinute > 59 || SysTime.wMinute < 0) ? TRUE : bResetRTC;
bResetRTC = (SysTime.wSecond > 59 || SysTime.wSecond < 0) ? TRUE : bResetRTC;
if(bResetRTC)
{
OALMSG(OAL_RTC&&OAL_ERROR,(L"Invalid RTC Time (%d.%d.%d, %d:%d:%d, (%d th day of week)\r\n", \
SysTime.wYear, SysTime.wMonth, SysTime.wDay, \
SysTime.wHour, SysTime.wMinute, SysTime.wSecond, \
SysTime.wDayOfWeek
));
}
// Set time
if(bResetRTC)
{
rc = OEMSetRealTime(&g_oalRtcResetTime);
}
cleanUp:
OALMSG(OAL_IOCTL&&OAL_FUNC, (L"-OALIoCtlHalInitRTC(rc = %d)\r\n", rc));
return rc;
}
DWORD OEMKitlGetSecs (void)
{
SYSTEMTIME st;
DWORD dwRet;
static DWORD dwBias;
static DWORD dwLastTime;
OEMGetRealTime( &st );
dwRet = ((60UL * (60UL * (24UL * (31UL * st.wMonth + st.wDay) + st.wHour) + st.wMinute)) + st.wSecond);
dwBias = dwRet;
if (dwRet < dwLastTime)
{
KITLOutputDebugString("[KITL] Time went backwards (or wrapped): cur: %u, last %u\n", dwRet,dwLastTime);
}
dwLastTime = dwRet;
return (dwRet);
}
