/*********************************************************************
* @fn sensor_HandleConnStatusCB
*
* @brief Sensor Profile link status change handler function.
*
* @param connHandle - connection handle
* @param changeType - type of change
*
* @return none
*/
static void sensor_HandleConnStatusCB( uint16 connHandle, uint8 changeType )
{
// Make sure this is not loopback connection
if ( connHandle != LOOPBACK_CONNHANDLE )
{
// Reset Client Char Config if connection has dropped
if ( ( changeType == LINKDB_STATUS_UPDATE_REMOVED ) ||
( ( changeType == LINKDB_STATUS_UPDATE_STATEFLAGS ) &&
( !linkDB_Up( connHandle ) ) ) )
{
GATTServApp_InitCharCfg( connHandle, sensorDataConfig );
GATTServApp_InitCharCfg( connHandle, sensorData1Config );
GATTServApp_InitCharCfg( connHandle, sensorData2Config );
GATTServApp_InitCharCfg( connHandle, sensorData3Config );
}
if ( changeType == LINKDB_STATUS_UPDATE_NEW )
{
GATTServApp_WriteCharCfg(connHandle,sensorDataConfig,GATT_CLIENT_CFG_NOTIFY);
GATTServApp_WriteCharCfg(connHandle,sensorData1Config,GATT_CLIENT_CFG_NOTIFY);
GATTServApp_WriteCharCfg(connHandle,sensorData2Config,GATT_CLIENT_CFG_NOTIFY);
GATTServApp_WriteCharCfg(connHandle,sensorData3Config,GATT_CLIENT_CFG_NOTIFY);
}
}
}
/*********************************************************************
* @fn GATTServApp_ProcessCCCWriteReq
*
* @brief Process the client characteristic configuration
* write request for a given client.
*
* @param connHandle - connection message was received on
* @param pAttr - pointer to attribute
* @param pValue - pointer to data to be written
* @param len - length of data
* @param offset - offset of the first octet to be written
* @param validCfg - valid configuration
*
* @return Success or Failure
*/
bStatus_t GATTServApp_ProcessCCCWriteReq( uint16 connHandle, gattAttribute_t *pAttr,
uint8 *pValue, uint16 len, uint16 offset,
uint16 validCfg )
{
bStatus_t status = SUCCESS;
// Validate the value
if ( offset == 0 )
{
if ( len == 2 )
{
uint16 value = BUILD_UINT16( pValue[0], pValue[1] );
// Validate characteristic configuration bit field
if ( ( value & ~validCfg ) == 0 ) // indicate and/or notify
{
// Write the value if it's changed
if ( GATTServApp_ReadCharCfg( connHandle,
GATT_CCC_TBL(pAttr->pValue) ) != value )
{
status = GATTServApp_WriteCharCfg( connHandle,
GATT_CCC_TBL(pAttr->pValue),
value );
}
}
else
{
status = ATT_ERR_INVALID_VALUE;
}
}
else
{
status = ATT_ERR_INVALID_VALUE_SIZE;
}
}
else
{
status = ATT_ERR_ATTR_NOT_LONG;
}
return ( status );
}
