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Server:
========
BTAdapter::setDefaultConnParam():
const uint16_t conn_min_interval = 8; // 10ms
const uint16_t conn_max_interval = 40; // 50ms
const uint16_t conn_latency = 0;
const uint16_t supervision_timeout = 50; // 500ms
status = adapter->setDefaultConnParam(conn_min_interval, conn_max_interval, conn_latency, supervision_timeout);
BTAdapter::startAdvertising()
static const uint16_t adv_interval_min=160; // x0.625 = 100ms - default is 640 -> 400ms
static const uint16_t adv_interval_max=480; // x0.625 = 300ms - default is 640 -> 400ms
static const AD_PDU_Type adv_type=AD_PDU_Type::ADV_IND;
static const uint8_t adv_chan_map=0x07;
static const uint8_t filter_policy=0x00;
eir.setConnInterval(8, 12); // 10ms - 15ms
Client:
========
BTAdapter::startDiscovery():
static DiscoveryPolicy discoveryPolicy = DiscoveryPolicy::PAUSE_CONNECTED_UNTIL_READY; // default value
static bool le_scan_active = true; // default value
static const uint16_t le_scan_interval = 24; // 15ms, default value
static const uint16_t le_scan_window = 24; // 15ms, default value
static const uint8_t filter_policy = 0; // default value
adapter->startDiscovery( discoveryPolicy, le_scan_active, le_scan_interval, le_scan_window, filter_policy );
BTDevice::connectLE():
static const uint16_t le_scan_interval = 24; // 15ms, default value
static const uint16_t le_scan_window = 24; // 15ms, default value
uint16_t conn_interval_min = (uint16_t)8; // 10ms
uint16_t conn_interval_max = (uint16_t)12; // 15ms
const uint16_t conn_latency = (uint16_t)0;
const uint16_t supervision_timeout = (uint16_t) getHCIConnSupervisorTimeout(conn_latency, (int) ( conn_interval_max * 1.25 ) /* ms */);
device->connectLE(le_scan_interval, le_scan_window, conn_interval_min, conn_interval_max, conn_latency, supervision_timeout);
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