/****************************************************************************
NAME
powerManagerChargerDisconnected
DESCRIPTION
This function is called when the charger is unplugged from the device
RETURNS
void
*/
void powerManagerChargerDisconnected( void )
{
PM_DEBUG(("PM: Charger has been disconnected\n"));
/* Immediately update charger */
PowerChargerMonitor();
powerManagerUpdateChargeCurrent();
/* Cancel current LED indication */
MessageSend(&theSink.task, EventSysCancelLedIndication, 0);
/* Restore default bootmode */
usbSetBootMode(BOOTMODE_DEFAULT);
}
/****************************************************************************
NAME
usbUpdateChargeCurrent
DESCRIPTION
Set the charge current based on USB state
RETURNS
void
*/
void usbUpdateChargeCurrent(void)
{
/* Don't change anything if battery charging disabled */
if(USB_CLASS_ENABLED(USB_DEVICE_CLASS_TYPE_BATTERY_CHARGING))
powerManagerUpdateChargeCurrent();
}
/*************************************************************************
NAME
handlePowerMessage
DESCRIPTION
handles the Battery/Charger Monitoring Messages
RETURNS
*/
void handlePowerMessage( Task task, MessageId id, Message message )
{
switch(id)
{
case POWER_INIT_CFM:
{
POWER_INIT_CFM_T* cfm = (POWER_INIT_CFM_T*)message;
PM_DEBUG(("PM: POWER_INIT_CFM\n"));
if(!cfm->success) Panic();
/* Update VBUS level */
usbSetVbusLevel(cfm->vchg);
/* Only indicate if low/critical (or intial reading feature enabled) */
powerManagerHandleVbat(cfm->vbat, battery_level_initial_reading);
/* Update charge current based on battery temperature */
if (!powerManagerChargerSetup(&cfm->vthm))
{
/* and if the charger was left disabled then handle initial charge state
* to notify the app that charger is disabled
*/
powerManagerHandleChargeState(cfm->state);
}
}
break;
case POWER_BATTERY_VOLTAGE_IND:
{
POWER_BATTERY_VOLTAGE_IND_T* ind = (POWER_BATTERY_VOLTAGE_IND_T*)message;
PM_DEBUG(("PM: POWER_BATTERY_VOLTAGE_IND\n"));
powerManagerHandleVbat(ind->vbat, battery_level_automatic);
usbUpdateChargeCurrent();
}
break ;
case POWER_CHARGER_VOLTAGE_IND:
{
PM_DEBUG(("PM: POWER_CHARGER_VOLTAGE_IND\n"));
usbSetVbusLevel(((POWER_CHARGER_VOLTAGE_IND_T*)message)->vchg);
usbUpdateChargeCurrent();
}
break;
case POWER_BATTERY_TEMPERATURE_IND:
{
POWER_BATTERY_TEMPERATURE_IND_T* ind = (POWER_BATTERY_TEMPERATURE_IND_T*)message;
PM_DEBUG(("PM: POWER_BATTERY_TEMPERATURE_IND\n"));
powerManagerChargerSetup(&ind->vthm);
}
break;
case POWER_CHARGER_STATE_IND:
{
POWER_CHARGER_STATE_IND_T* ind = (POWER_CHARGER_STATE_IND_T*)message;
/* Send event if not using LED overide feature or state is currently not trickle charge */
PM_DEBUG(("PM: POWER_CHARGER_STATE_IND\n"));
powerManagerHandleChargeState(ind->state);
/* NB. Charger state will not indicate a change from complete to fast. We assume this
doesn't matter as we should run from VBUS when complete so battery should not run down */
powerManagerUpdateChargeCurrent();
}
break ;
default :
PM_DEBUG(("PM: Unhandled Battery msg[%x]\n", id));
break ;
}
}
