/*******************************************************************************
* cvPlatformMiliSecDelay - halts the system for a desired mili - seconds.
*
* DESCRIPTION:
* This function halts the system for a desired mili-seconds delivered
* by the parameter ‘miliSec’.It uses one of the 8 counter/timers within
* the MV by loading it with the ‘miliSec’ parameter multiplied
* with 1 mili-second ( 1 mili-second is calculated by dividing the ‘
* Tclock’ parameter by 1000) and waiting in a loop for it to end the
* count.
* INPUT:
* miliSec - The desirable time ( in mili -seconds) to halt the system.
* Tclock - The MV core clock .
* countNum - The desired counter/timer (one out of possible 8
* counter/timers within the MV).
* OUTPUT:
* None.
*
* RETURN:
* None.
*
*******************************************************************************/
MV_VOID cvPlatformMiliSecDelay(MV_U32 miliSec,MV_U32 Tclock,
MV_U32 countNum)
{
MV_U32 oneMiliSec;
MV_CNTMR_CTRL counterCnrl;
counterCnrl.enable = MV_TRUE;
counterCnrl.autoEnable = MV_FALSE;
oneMiliSec = Tclock/1000;
mvCntmrDisable(countNum);
mvCntmrCtrlSet(countNum,&counterCnrl);
mvCntmrLoad(countNum,miliSec * oneMiliSec);
mvCntmrEnable(countNum);
while(mvCntmrRead(countNum));
}
/*******************************************************************************
* mvCntmrStart -
*
* DESCRIPTION:
* Combined all the sub-operations above to one function: Load,setMode,Enable
*
* INPUT:
* countNum - counter number
* value - value of the counter\timer to be set
* pCtrl - pointer to MV_CNTMR_CTRL structure
*
* OUTPUT:
* None.
*
* RETURN:
* MV_BAD_PARAM on bad parameters , MV_ERROR on error ,MV_OK on sucess
*******************************************************************************/
MV_STATUS mvCntmrStart(MV_U32 countNum, MV_U32 value, MV_CNTMR_CTRL *pCtrl)
{
if (countNum >= MV_CNTMR_MAX_COUNTER) {
mvOsPrintf(("mvCntmrDisable: Err. illegal counter number \n"));
return MV_BAD_PARAM;;
}
/* load value onto counter\timer */
mvCntmrLoad(countNum, value);
/* set control for timer \ cunter and enable */
mvCntmrCtrlSet(countNum, pCtrl);
return MV_OK;
}
