/********************************************************************
* @fn gapRole_startConnUpdate
*
* @brief Start the connection update procedure
*
* @param handleFailure - what to do if the update does not occur.
* Method may choose to terminate connection, try again, or take no action
*
* @return none
*/
static void gapRole_startConnUpdate( uint8 handleFailure )
{
// First check the current connection parameters versus the configured parameters
if ( (gapRole_ConnInterval < gapRole_MinConnInterval) ||
(gapRole_ConnInterval > gapRole_MaxConnInterval) ||
(gapRole_ConnSlaveLatency != gapRole_SlaveLatency) ||
(gapRole_ConnTimeout != gapRole_TimeoutMultiplier) )
{
gapUpdateLinkParamReq_t linkParams;
uint16 timeout = GAP_GetParamValue( TGAP_CONN_PARAM_TIMEOUT );
linkParams.connectionHandle = gapRole_ConnectionHandle;
linkParams.intervalMin = gapRole_MinConnInterval;
linkParams.intervalMax = gapRole_MaxConnInterval;
linkParams.connLatency = gapRole_SlaveLatency;
linkParams.connTimeout = gapRole_TimeoutMultiplier;
VOID GAP_UpdateLinkParamReq( &linkParams );
paramUpdateNoSuccessOption = handleFailure;
// Let's wait either for L2CAP Connection Parameters Update Response or
// for Controller to update connection parameters
VOID osal_start_timerEx( gapRole_TaskID, CONN_PARAM_TIMEOUT_EVT, timeout );
}
}
/********************************************************************
* @fn gapRole_connUpdate
*
* @brief Start the connection update procedure
*
* @param handleFailure - what to do if the update does not occur.
* Method may choose to terminate connection, try again,
* or take no action
* @param pConnParams - connection parameters to use
*
* @return SUCCESS: operation was successful.
* INVALIDPARAMETER: Data can not fit into one packet.
* MSG_BUFFER_NOT_AVAIL: No HCI buffer is available.
* bleInvalidRange:
* bleIncorrectMode: invalid profile role.
* bleAlreadyInRequestedMode: already updating link parameters.
* bleNotConnected: Connection is down
* bleMemAllocError: Memory allocation error occurred.
* bleNoResources: No available resource
*/
bStatus_t gapRole_connUpdate(uint8_t handleFailure, gapRole_updateConnParams_t *pConnParams)
{
bStatus_t status;
linkDBInfo_t pInfo;
//ensure connection exists
linkDB_GetInfo(pConnParams->connHandle, &pInfo);
if (!(pInfo.stateFlags & LINK_CONNECTED))
{
return (bleNotConnected);
}
// Make sure we don't send an L2CAP Connection Parameter Update Request
// command within TGAP(conn_param_timeout) of an L2CAP Connection Parameter
// Update Response being received.
if (Util_isActive(&updateTimeoutClock) == FALSE)
{
uint16_t timeout = GAP_GetParamValue(TGAP_CONN_PARAM_TIMEOUT);
#if defined(L2CAP_CONN_UPDATE)
l2capParamUpdateReq_t updateReq;
updateReq.intervalMin = pConnParams->minConnInterval;
updateReq.intervalMax = pConnParams->maxConnInterval;
updateReq.slaveLatency = pConnParams->slaveLatency;
updateReq.timeoutMultiplier = pConnParams->timeoutMultiplier;
status = L2CAP_ConnParamUpdateReq(pConnParams->connHandle, &updateReq, selfEntity);
#else
gapUpdateLinkParamReq_t linkParams;
linkParams.connectionHandle = pConnParams->connHandle;
linkParams.intervalMin = pConnParams->minConnInterval;
linkParams.intervalMax = pConnParams->maxConnInterval;
linkParams.connLatency = pConnParams->slaveLatency;
linkParams.connTimeout = pConnParams->timeoutMultiplier;
status = GAP_UpdateLinkParamReq( &linkParams );
#endif // L2CAP_CONN_UPDATE
if(status == SUCCESS)
{
//store update params for possible resending
paramUpdateNoSuccessOption = handleFailure;
VOID memcpy(&gapRole_updateConnParams, pConnParams, sizeof(gapRole_updateConnParams_t));
// start timeout clock
Util_restartClock(&updateTimeoutClock, timeout);
}
}
else
{
return(blePending);
}
return status;
}
/********************************************************************
* @fn gapRole_startConnUpdate
*
* @brief Start the connection update procedure
*
* @param handleFailure - what to do if the update does not occur.
* Method may choose to terminate connection, try again,
* or take no action
*
* @return none
*/
static bStatus_t gapRole_startConnUpdate(uint8_t handleFailure, uint8 connHandle) {
bStatus_t status;
uint8 connHandleIndex = gapRoleInfo_Find(connHandle);
//update only connection to master, not those to slave
if (multiConnInfo[connHandleIndex].gapRole_ConnRole != GAP_PROFILE_PERIPHERAL) {
return (bleNotConnected);
}
// If there is no existing connection no update need be sent
if (multiConnInfo[connHandleIndex].gapRole_ConnectionHandle == GAPROLE_CONN_JUST_TERMINATED || multiConnInfo[connHandleIndex].gapRole_ConnectionHandle == INVALID_CONNHANDLE) {
return (bleNotConnected);
}
// First check the current connection parameters versus the configured parameters
// if ((multiConnInfo[connHandleIndex].gapRole_ConnInterval < gapRole_MinConnInterval) || (multiConnInfo[connHandleIndex].gapRole_ConnInterval > gapRole_MaxConnInterval)
// || (multiConnInfo[connHandleIndex].gapRole_ConnSlaveLatency != gapRole_SlaveLatency)
// || (multiConnInfo[connHandleIndex].gapRole_ConnTimeout != gapRole_TimeoutMultiplier)) {
if (gapRole_MinConnInterval > 6 && gapRole_MinConnInterval < 3200){
//TODO: do some test to check if parameters are within specification of ble
uint16_t timeout = GAP_GetParamValue(TGAP_CONN_PARAM_TIMEOUT);
#if defined(L2CAP_CONN_UPDATE)
l2capParamUpdateReq_t updateReq;
updateReq.intervalMin = gapRole_MinConnInterval;
updateReq.intervalMax = gapRole_MaxConnInterval;
updateReq.slaveLatency = gapRole_SlaveLatency;
updateReq.timeoutMultiplier = gapRole_TimeoutMultiplier;
status = L2CAP_ConnParamUpdateReq(connHandle, &updateReq, selfEntity);
#else
gapUpdateLinkParamReq_t linkParams;
linkParams.connectionHandle = connHandle;
linkParams.intervalMin = gapRole_MinConnInterval;
linkParams.intervalMax = gapRole_MaxConnInterval;
linkParams.connLatency = gapRole_SlaveLatency;
linkParams.connTimeout = gapRole_TimeoutMultiplier;
status = GAP_UpdateLinkParamReq(&linkParams);
#endif // L2CAP_CONN_UPDATE
if (status == SUCCESS) {
paramUpdateNoSuccessOption = handleFailure;
// Let's wait either for L2CAP Connection Parameters Update Response or
// for Controller to update connection parameters
Util_restartClock(&updateTimeoutClock, timeout);
}
} else {
status = bleInvalidRange;
}
return status;
}
/**
* @brief Update the link connection parameters.
*
* Public function defined in central.h.
*/
bStatus_t GAPCentralRole_UpdateLink(uint16_t connHandle, uint16_t connIntervalMin,
uint16_t connIntervalMax, uint16_t connLatency,
uint16_t connTimeout)
{
gapUpdateLinkParamReq_t params;
params.connectionHandle = connHandle;
params.intervalMin = connIntervalMin;
params.intervalMax = connIntervalMax;
params.connLatency = connLatency;
params.connTimeout = connTimeout;
return GAP_UpdateLinkParamReq(¶ms);
}
/********************************************************************
* @fn gapRole_startConnUpdate
*
* @brief Start the connection update procedure
*
* @param handleFailure - what to do if the update does not occur.
* Method may choose to terminate connection, try again,
* or take no action
*
* @return none
*/
static bStatus_t gapRole_startConnUpdate(uint8_t handleFailure)
{
bStatus_t status;
// First check the current connection parameters versus the configured parameters
if ((gapRole_ConnInterval < gapRole_MinConnInterval) ||
(gapRole_ConnInterval > gapRole_MaxConnInterval) ||
(gapRole_ConnSlaveLatency != gapRole_SlaveLatency) ||
(gapRole_ConnTimeout != gapRole_TimeoutMultiplier))
{
uint16_t timeout = GAP_GetParamValue(TGAP_CONN_PARAM_TIMEOUT);
#if defined(L2CAP_CONN_UPDATE)
l2capParamUpdateReq_t updateReq;
updateReq.intervalMin = gapRole_MinConnInterval;
updateReq.intervalMax = gapRole_MaxConnInterval;
updateReq.slaveLatency = gapRole_SlaveLatency;
updateReq.timeoutMultiplier = gapRole_TimeoutMultiplier;
status = L2CAP_ConnParamUpdateReq(gapRole_ConnectionHandle, &updateReq, selfEntity);
#else
gapUpdateLinkParamReq_t linkParams;
linkParams.connectionHandle = gapRole_ConnectionHandle;
linkParams.intervalMin = gapRole_MinConnInterval;
linkParams.intervalMax = gapRole_MaxConnInterval;
linkParams.connLatency = gapRole_SlaveLatency;
linkParams.connTimeout = gapRole_TimeoutMultiplier;
status = GAP_UpdateLinkParamReq( &linkParams );
#endif // L2CAP_CONN_UPDATE
if(status == SUCCESS)
{
paramUpdateNoSuccessOption = handleFailure;
// Let's wait either for L2CAP Connection Parameters Update Response or
// for Controller to update connection parameters
Util_restartClock(&updateTimeoutClock, timeout);
}
}
else
{
status = bleInvalidRange;
}
return status;
}