Because I need to reduce power consumption, I deinitialize CAN before entering VLPR mode, and enter VLPS mode after 10ms, but lptmr cannot wake up. When I shield the CAN deinitialization code, I can wake up. What is the reason?
This is my Task code,use SDK3.0:
void PowerIf_SleepManageTask(void)
{
uint16_t lsCurTime = 0;
static uint16_t lsPreTime = 0;
static uint8_t lsTemp = 0;
lsCurTime = GetSysTime();
switch (gBcmWokeMode)
{
case RUNNING:
{
gAppCanWakeupFlg = false;
if (true == PowerFunc_GetBCMFuncModeSleepCon() )
{
gBcmWokeMode = SLEEP_DELAY;
lsPreTime = lsCurTime;
}
}
break;
case SLEEP_DELAY:
{
if ((false == PowerFunc_GetBCMFuncModeSleepCon()) || (gAppCanWakeupFlg == true))
{
gAppCanWakeupFlg = false;
gBcmWokeMode = RUNNING;
}
else if( (lsCurTime - lsPreTime) > BCMSleepDelayTime)
{
gBcmWokeMode = SLEEP;
DriverLpTmrIf_LowpowerTimerInit(); //lptmr Init
FLEXCAN_DRV_Deinit(INST_CANCOM1);
POWER_SYS_SetMode(VLPR, POWER_MANAGER_POLICY_AGREEMENT);
}
}
break;
case SLEEP:
{
if ( (gAppCanWakeupFlg == false) && (false == PowerFunc_GetLocalWakeupCon() ) )
{
POWER_SYS_SetMode(VLPS, POWER_MANAGER_POLICY_AGREEMENT);
}
else
{
}
}
break;
default :
gBcmWokeMode = RUNNING;
break;
}
}
