/*********************************************************************
* @fn proximityAttrCB
*
* @brief Notification from the profile of an atrribute change by
* a connected device.
*
* @param attrParamID - Profile's Attribute Parameter ID
* PP_LINK_LOSS_ALERT_LEVEL - The link loss alert level value
* PP_IM_ALERT_LEVEL - The immediate alert level value
*
* @return none
*/
static void proximityAttrCB( uint8 attrParamID )
{
switch( attrParamID )
{
case PP_LINK_LOSS_ALERT_LEVEL:
ProxReporter_GetParameter( PP_LINK_LOSS_ALERT_LEVEL, &keyfobProxLLAlertLevel );
break;
case PP_IM_ALERT_LEVEL:
{
ProxReporter_GetParameter( PP_IM_ALERT_LEVEL, &keyfobProxIMAlertLevel );
// if proximity monitor set the immediate alert level to low or high, then
// the monitor calculated that the path loss to the keyfob (proximity observer)
// has exceeded the threshold
if( keyfobProxIMAlertLevel != PP_ALERT_LEVEL_NO )
{
keyfobProximityState = KEYFOB_PROXSTATE_PATH_LOSS;
keyfobapp_PerformAlert();
buzzer_beep_count = 0;
}
else // proximity monitor turned off alert because the path loss is below threshold
{
keyfobProximityState = KEYFOB_PROXSTATE_CONNECTED_IN_RANGE;
keyfobapp_StopAlert();
}
}
break;
default:
// should not reach here!
break;
}
}
/*********************************************************************
* @fn performPeriodicTask
*
* @brief Perform a periodic application task. This function gets
* called every five seconds as a result of the SBP_PERIODIC_EVT
* OSAL event. In this example, the value of the third
* characteristic in the SimpleGATTProfile service is retrieved
* from the profile, and then copied into the value of the
* the fourth characteristic.
*
* @param none
*
* @return none
*/
static void performPeriodicTask( void )
{
uint8 pos = FALSE, txpwr = 0;
Batt_MeasLevel( );
GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8), &pos);
advertData[11] = Battery2Asc(battLevel);
advertData[12] = (P0 & 1<<4) ? 0x31 : 0x30;
advertData[13] = (P0 & 1<<5) ? 0x31 : 0x30;
advertData[14] = (P0 & 1<<6) ? 0x31 : 0x30;
advertData[15] = '0' + advert_internal/100;
advertData[16] = '0' + (advert_internal/10)%10;
advertData[17] = '0' + advert_internal%10;
ProxReporter_GetParameter(PP_TX_POWER_LEVEL, &txpwr);
advertData[18] = txpwr + '0';
HCI_LE_SetAdvDataCmd( sizeof( advertData ), advertData );
pos = TRUE;
GAPRole_SetParameter(GAPROLE_ADVERT_ENABLED, sizeof(uint8), &pos);
}
/*********************************************************************
* @fn keyfobapp_HandleKeys
*
* @brief Handles all key events for this device.
*
* @param shift - true if in shift/alt.
* @param keys - bit field for key events. Valid entries:
* HAL_KEY_SW_2
* HAL_KEY_SW_1
*
* @return none
*/
static void keyfobapp_HandleKeys( uint8 shift, uint8 keys )
{
uint8 SK_Keys = 0;
(void)shift; // Intentionally unreferenced parameter
if ( keys & HAL_KEY_SW_1 )
{
SK_Keys |= SK_KEY_LEFT;
// if is active, pressing the left key should toggle
// stop the alert
if( keyfobAlertState != ALERT_STATE_OFF )
{
keyfobapp_StopAlert();
}
// if device is in a connection, toggle the Tx power level between 0 and
// -6 dBm
if( gapProfileState == GAPROLE_CONNECTED )
{
int8 currentTxPowerLevel;
int8 newTxPowerLevel;
ProxReporter_GetParameter( PP_TX_POWER_LEVEL, ¤tTxPowerLevel );
switch ( currentTxPowerLevel )
{
case 0:
newTxPowerLevel = -6;
// change power to -6 dBm
HCI_EXT_SetTxPowerCmd( HCI_EXT_TX_POWER_MINUS_6_DBM );
// Update Tx powerl level in Proximity Reporter (and send notification)
// if enabled)
ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &newTxPowerLevel );
break;
case (-6):
newTxPowerLevel = 0;
// change power to 0 dBm
HCI_EXT_SetTxPowerCmd( HCI_EXT_TX_POWER_0_DBM );
// Update Tx powerl level in Proximity Reporter (and send notification)
// if enabled)
ProxReporter_SetParameter( PP_TX_POWER_LEVEL, sizeof ( int8 ), &newTxPowerLevel );
break;
default:
// do nothing
break;
}
}
}
if ( keys & HAL_KEY_SW_2 )
{
SK_Keys |= SK_KEY_RIGHT;
// if device is not in a connection, pressing the right key should toggle
// advertising on and off
if( gapProfileState != GAPROLE_CONNECTED )
{
uint8 current_adv_enabled_status;
uint8 new_adv_enabled_status;
//Find the current GAP advertisement status
GAPRole_GetParameter( GAPROLE_ADVERT_ENABLED, ¤t_adv_enabled_status );
if( current_adv_enabled_status == FALSE )
{
new_adv_enabled_status = TRUE;
}
else
{
new_adv_enabled_status = FALSE;
}
//change the GAP advertisement status to opposite of current status
GAPRole_SetParameter( GAPROLE_ADVERT_ENABLED, sizeof( uint8 ), &new_adv_enabled_status );
}
}
SK_SetParameter( SK_KEY_ATTR, sizeof ( uint8 ), &SK_Keys );
}
