ble_error_t nRF5xGap::startRadioScan(const GapScanningParams &scanningParams)
{
ble_gap_scan_params_t scanParams;
#if (NRF_SD_BLE_API_VERSION <= 2)
/* Allocate the stack's whitelist statically */
ble_gap_whitelist_t whitelist;
ble_gap_addr_t *whitelistAddressPtrs[YOTTA_CFG_WHITELIST_MAX_SIZE];
ble_gap_irk_t *whitelistIrkPtrs[YOTTA_CFG_IRK_TABLE_MAX_SIZE];
/* Initialize the whitelist */
whitelist.pp_addrs = whitelistAddressPtrs;
whitelist.pp_irks = whitelistIrkPtrs;
whitelist.addr_count = 0;
whitelist.irk_count = 0;
/* Add missing IRKs to whitelist from the bond table held by the SoftDevice */
if (scanningPolicyMode != Gap::SCAN_POLICY_IGNORE_WHITELIST) {
ble_error_t error = generateStackWhitelist(whitelist);
if (error != BLE_ERROR_NONE) {
return error;
}
}
// FIXME: fill the irk list once addresses are resolved by the softdevice.
scanParams.selective = scanningPolicyMode; /**< If 1, ignore unknown devices (non whitelisted). */
scanParams.p_whitelist = &whitelist; /**< Pointer to whitelist, NULL if none is given. */
#else
/* For NRF_SD_BLE_API_VERSION >= 3 nRF5xGap::setWhitelist setups the whitelist. */
scanParams.use_whitelist = scanningPolicyMode;
scanParams.adv_dir_report = 0;
#endif
scanParams.active = scanningParams.getActiveScanning(); /**< If 1, perform active scanning (scan requests). */
scanParams.interval = scanningParams.getInterval(); /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
scanParams.window = scanningParams.getWindow(); /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
scanParams.timeout = scanningParams.getTimeout(); /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */
if (_privacy_enabled) {
bool enable_resolution =
_central_privacy_configuration.resolution_strategy != CentralPrivacyConfiguration_t::DO_NOT_RESOLVE;
update_identities_list(enable_resolution);
if (_central_privacy_configuration.use_non_resolvable_random_address) {
set_private_non_resolvable_address();
} else {
set_private_resolvable_address();
}
}
if (sd_ble_gap_scan_start(&scanParams) != NRF_SUCCESS) {
return BLE_ERROR_PARAM_OUT_OF_RANGE;
}
return BLE_ERROR_NONE;
}
ble_error_t Gap::setScanParams(const GapScanningParams& scanningParams) {
return setScanParams(
scanningParams.getInterval(),
scanningParams.getWindow(),
scanningParams.getTimeout(),
scanningParams.getActiveScanning()
);
}
ble_error_t GenericGap::startRadioScan(const GapScanningParams &scanningParams)
{
if (is_scan_params_valid(&scanningParams) == false) {
return BLE_ERROR_INVALID_PARAM;
}
if (_scanning_filter_policy == pal::scanning_filter_policy_t::FILTER_ADVERTISING &&
_whitelist.size == 0) {
return BLE_ERROR_INVALID_STATE;
}
ble_error_t err = _pal_gap.set_scan_parameters(
scanningParams.getActiveScanning(),
scanningParams.getInterval(),
scanningParams.getWindow(),
get_own_address_type(),
_scanning_filter_policy
);
if (err) {
return err;
}
err = _pal_gap.scan_enable(true, false);
if (err) {
return err;
}
_scan_timeout.detach();
uint16_t timeout = scanningParams.getTimeout();
if (timeout) {
_scan_timeout.attach_us(
mbed::callback(this, &GenericGap::on_scan_timeout),
scanningParams.getTimeout() * 1000000U
);
}
return BLE_ERROR_NONE;
}
ble_error_t nRF5xGap::startRadioScan(const GapScanningParams &scanningParams)
{
/* Allocate the stack's whitelist statically */
ble_gap_whitelist_t whitelist;
ble_gap_addr_t *whitelistAddressPtrs[YOTTA_CFG_WHITELIST_MAX_SIZE];
ble_gap_irk_t *whitelistIrkPtrs[YOTTA_CFG_IRK_TABLE_MAX_SIZE];
/* Initialize the whitelist */
whitelist.pp_addrs = whitelistAddressPtrs;
whitelist.pp_irks = whitelistIrkPtrs;
whitelist.addr_count = 0;
whitelist.irk_count = 0;
/* Add missing IRKs to whitelist from the bond table held by the SoftDevice */
if (scanningPolicyMode != Gap::SCAN_POLICY_IGNORE_WHITELIST) {
ble_error_t error = generateStackWhitelist(whitelist);
if (error != BLE_ERROR_NONE) {
return error;
}
}
ble_gap_scan_params_t scanParams = {
.active = scanningParams.getActiveScanning(), /**< If 1, perform active scanning (scan requests). */
.selective = scanningPolicyMode, /**< If 1, ignore unknown devices (non whitelisted). */
.p_whitelist = &whitelist, /**< Pointer to whitelist, NULL if none is given. */
.interval = scanningParams.getInterval(), /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
.window = scanningParams.getWindow(), /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
.timeout = scanningParams.getTimeout(), /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */
};
if (sd_ble_gap_scan_start(&scanParams) != NRF_SUCCESS) {
return BLE_ERROR_PARAM_OUT_OF_RANGE;
}
return BLE_ERROR_NONE;
}
ble_error_t nRF5xGap::stopScan(void) {
if (sd_ble_gap_scan_stop() == NRF_SUCCESS) {
return BLE_ERROR_NONE;
}
return BLE_STACK_BUSY;
}
#endif
/**************************************************************************/
/*!
@brief Stops the BLE HW and disconnects from any devices
@returns ble_error_t
@retval BLE_ERROR_NONE
Everything executed properly
@section EXAMPLE
@code
@endcode
*/
/**************************************************************************/
ble_error_t nRF5xGap::stopAdvertising(void)
{
/* Stop Advertising */
ASSERT_TRUE(ERROR_NONE == sd_ble_gap_adv_stop(), BLE_ERROR_PARAM_OUT_OF_RANGE);
state.advertising = 0;
return BLE_ERROR_NONE;
}
ble_error_t nRF5xGap::startRadioScan(const GapScanningParams &scanningParams)
{
ble_gap_scan_params_t scanParams;
#if (NRF_SD_BLE_API_VERSION <= 2)
/* Allocate the stack's whitelist statically */
ble_gap_whitelist_t whitelist;
ble_gap_addr_t *whitelistAddressPtrs[YOTTA_CFG_WHITELIST_MAX_SIZE];
ble_gap_irk_t *whitelistIrkPtrs[YOTTA_CFG_IRK_TABLE_MAX_SIZE];
/* Initialize the whitelist */
whitelist.pp_addrs = whitelistAddressPtrs;
whitelist.pp_irks = whitelistIrkPtrs;
whitelist.addr_count = 0;
whitelist.irk_count = 0;
whitelist.addr_count = whitelistAddressesSize;
for (uint32_t i = 0; i < whitelistAddressesSize; ++i) {
whitelistAddressPtrs[i] = &whitelistAddresses[i];
}
if (_privacy_enabled) {
if (_central_privacy_configuration.resolution_strategy != CentralPrivacyConfiguration_t::DO_NOT_RESOLVE) {
ArrayView<resolving_list_entry_t> entries = get_sm().get_resolving_list();
size_t limit = std::min(
entries.size(), (size_t) YOTTA_CFG_IRK_TABLE_MAX_SIZE
);
for (size_t i = 0; i < limit; ++i) {
whitelistIrkPtrs[i] = (ble_gap_irk_t*) entries[i].peer_irk.data();
}
whitelist.irk_count = limit;
}
}
scanParams.selective = scanningPolicyMode; /**< If 1, ignore unknown devices (non whitelisted). */
scanParams.p_whitelist = &whitelist; /**< Pointer to whitelist, NULL if none is given. */
#else
/* For NRF_SD_BLE_API_VERSION >= 3 nRF5xGap::setWhitelist setups the whitelist. */
scanParams.use_whitelist = scanningPolicyMode;
scanParams.adv_dir_report = 0;
#endif
scanParams.active = scanningParams.getActiveScanning(); /**< If 1, perform active scanning (scan requests). */
scanParams.interval = scanningParams.getInterval(); /**< Scan interval between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
scanParams.window = scanningParams.getWindow(); /**< Scan window between 0x0004 and 0x4000 in 0.625ms units (2.5ms to 10.24s). */
scanParams.timeout = scanningParams.getTimeout(); /**< Scan timeout between 0x0001 and 0xFFFF in seconds, 0x0000 disables timeout. */
if (_privacy_enabled) {
if (_central_privacy_configuration.use_non_resolvable_random_address) {
set_private_non_resolvable_address();
} else {
set_private_resolvable_address();
}
}
if (sd_ble_gap_scan_start(&scanParams) != NRF_SUCCESS) {
return BLE_ERROR_PARAM_OUT_OF_RANGE;
}
return BLE_ERROR_NONE;
}
