/**@brief Function for handling BLE_GAP_EVT_CONNECTED events.
* Save the connection handle and GAP role, then discover the peer DB.
*/
void on_ble_gap_evt_connected(ble_gap_evt_t const * p_gap_evt)
{
m_conn_handle = p_gap_evt->conn_handle;
m_gap_role = p_gap_evt->params.connected.role;
if (m_gap_role == BLE_GAP_ROLE_PERIPH)
{
NRF_LOG_INFO("Connected as a peripheral.\r\n");
}
else if (m_gap_role == BLE_GAP_ROLE_CENTRAL)
{
NRF_LOG_INFO("Connected as a central.\r\n");
}
// Stop scanning and advertising.
(void) sd_ble_gap_scan_stop();
(void) sd_ble_gap_adv_stop();
NRF_LOG_INFO("Discovering GATT database...\r\n");
// Zero the database before starting discovery.
memset(&m_ble_db_discovery, 0x00, sizeof(m_ble_db_discovery));
ret_code_t err_code;
err_code = ble_db_discovery_start(&m_ble_db_discovery, p_gap_evt->conn_handle);
APP_ERROR_CHECK(err_code);
bsp_board_leds_off();
}
void ScanController::SetScanDutyCycle(u16 interval, u16 window){
u32 err;
if (scanningState != SCAN_STATE_OFF)
{
err = sd_ble_gap_scan_stop();
if(err != NRF_SUCCESS){
//We'll just ignore NRF_ERROR_INVALID_STATE and hope that scanning is stopped
}
logt("C", "Scanning stopped");
}
if(interval != 0){
currentScanParams.interval = interval;
currentScanParams.window = window;
err = sd_ble_gap_scan_start(¤tScanParams);
if(err == NRF_SUCCESS){
logt("C", "Scanning started");
} else {
//Ignore all errors, scanning could not be started
scanningState = SCAN_STATE_OFF;
}
}
}
/*JSON{
"type" : "kill",
"generate" : "jswrap_nrf_kill"
}*/
void jswrap_nrf_kill() {
// if we were scanning, make sure we stop at reset!
if (bleStatus & BLE_IS_SCANNING) {
sd_ble_gap_scan_stop();
bleStatus &= ~BLE_IS_SCANNING;
}
}
uint32_t startScan()
{
sd_ble_gap_scan_stop(); // stop any in-progress scans
scan.num = 0;
scan.timestamp = now();
return sd_ble_gap_scan_start(&scan_params);
}
/**@brief Function for initiating scanning.
*/
static void scan_start(void)
{
ret_code_t err_code;
(void) sd_ble_gap_scan_stop();
err_code = sd_ble_gap_scan_start(&m_scan_param);
// It is okay to ignore this error since we are stopping the scan anyway.
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
}
/**@brief Function to start scanning.
*/
static void scan_start(void)
{
ret_code_t err_code;
err_code = sd_ble_gap_scan_stop();
// It is okay to ignore this error since we are stopping the scan anyway.
if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
NRF_LOG_PRINTF("[APP]: start scanning for device name %s\r\n", m_target_periph_name);
err_code = sd_ble_gap_scan_start(&m_scan_param);
APP_ERROR_CHECK(err_code);
}
uint32_t conn_mw_ble_gap_scan_stop(uint8_t const * const p_rx_buf,
uint32_t rx_buf_len,
uint8_t * const p_tx_buf,
uint32_t * const p_tx_buf_len)
{
SER_ASSERT_NOT_NULL(p_rx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf_len);
uint32_t err_code = NRF_SUCCESS;
uint32_t sd_err_code;
sd_err_code = sd_ble_gap_scan_stop();
err_code = ble_gap_scan_stop_rsp_enc(sd_err_code, p_tx_buf, p_tx_buf_len);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
return err_code;
}
/**@brief Function for disabling the use of whitelist for scanning.
*/
static void whitelist_disable(void)
{
uint32_t err_code;
if ((m_scan_mode == BLE_WHITELIST_SCAN) && !m_whitelist_temporarily_disabled)
{
m_whitelist_temporarily_disabled = true;
err_code = sd_ble_gap_scan_stop();
if (err_code == NRF_SUCCESS)
{
scan_start();
}
else if (err_code != NRF_ERROR_INVALID_STATE)
{
APP_ERROR_CHECK(err_code);
}
}
m_whitelist_temporarily_disabled = true;
}
//Start scanning with the specified scanning parameters
void ScanController::SetScanState(scanState newState)
{
u32 err = 0;
if (newState == scanningState) return;
//Stop scanning to either leave it stopped or update it
if (scanningState != SCAN_STATE_OFF)
{
err = sd_ble_gap_scan_stop();
if(err != NRF_SUCCESS){
//We'll just ignore NRF_ERROR_INVALID_STATE and hope that scanning is stopped
}
logt("C", "Scanning stopped");
}
if (newState == SCAN_STATE_HIGH)
{
currentScanParams.interval = Config->meshScanIntervalHigh;
currentScanParams.window = Config->meshScanWindowHigh;
}
else if (newState == SCAN_STATE_LOW)
{
currentScanParams.interval = Config->meshScanIntervalLow;
currentScanParams.window = Config->meshScanWindowLow;
}
//FIXME: Add Saveguard. Because if we are currently in connecting state, we can not scan
if (newState != SCAN_STATE_OFF)
{
err = sd_ble_gap_scan_start(¤tScanParams);
if(err == NRF_SUCCESS){
logt("C", "Scanning started");
} else {
//Ignore all errors, scanning could not be started
newState = SCAN_STATE_OFF;
}
}
scanningState = newState;
}
uint32_t conn_mw_ble_gap_scan_stop(uint8_t const * const p_rx_buf,
uint32_t rx_buf_len,
uint8_t * const p_tx_buf,
uint32_t * const p_tx_buf_len)
{
SER_ASSERT_NOT_NULL(p_rx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf);
SER_ASSERT_NOT_NULL(p_tx_buf_len);
uint32_t err_code = NRF_SUCCESS;
uint32_t sd_err_code;
#if defined(NRF_SD_BLE_API_VERSION) && NRF_SD_BLE_API_VERSION > 5
conn_ble_gap_scan_data_unset(true);
#endif
sd_err_code = sd_ble_gap_scan_stop();
err_code = ble_gap_scan_stop_rsp_enc(sd_err_code, p_tx_buf, p_tx_buf_len);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
return err_code;
}
/*JSON{
"type" : "staticmethod",
"class" : "NRF",
"name" : "setScan",
"generate" : "jswrap_nrf_bluetooth_setScan",
"params" : [
["callback","JsVar","The callback to call with information about received, or undefined to stop"]
]
}
Start/stop listening for BLE advertising packets within range.
```
// Start scanning
NRF.setScan(function(d) {
console.log(JSON.stringify(d,null,2));
});
// prints {"rssi":-72, "addr":"##:##:##:##:##:##", "data":new ArrayBuffer([2,1,6,...])}
// Stop Scanning
NRF.setScan(false);
```
*/
void jswrap_nrf_bluetooth_setScan(JsVar *callback) {
uint32_t err_code;
// set the callback event variable
if (!jsvIsFunction(callback)) callback=0;
jsvObjectSetChild(execInfo.root, BLE_SCAN_EVENT, callback);
// either start or stop scanning
if (callback) {
ble_gap_scan_params_t m_scan_param;
// non-selective scan
m_scan_param.active = 0; // Active scanning set.
m_scan_param.selective = 0; // Selective scanning not set.
m_scan_param.interval = SCAN_INTERVAL;// Scan interval.
m_scan_param.window = SCAN_WINDOW; // Scan window.
m_scan_param.p_whitelist = NULL; // No whitelist provided.
m_scan_param.timeout = 0x0000; // No timeout.
err_code = sd_ble_gap_scan_start(&m_scan_param);
} else {
err_code = sd_ble_gap_scan_stop();
}
if (err_code)
jsExceptionHere(JSET_ERROR, "Got BLE error code %d", err_code);
}
/**@brief Function for handling the Application's BLE Stack events.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
const ble_gap_evt_t * p_gap_evt = &p_ble_evt->evt.gap_evt;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_ADV_REPORT:
{
data_t adv_data;
data_t type_data;
// Initialize advertisement report for parsing.
adv_data.p_data = (uint8_t *)p_gap_evt->params.adv_report.data;
adv_data.data_len = p_gap_evt->params.adv_report.dlen;
err_code = adv_report_parse(BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_MORE_AVAILABLE,
&adv_data,
&type_data);
if (err_code != NRF_SUCCESS)
{
// Compare 128 UUID.
err_code = adv_report_parse(BLE_GAP_AD_TYPE_128BIT_SERVICE_UUID_COMPLETE,
&adv_data,
&type_data);
}
// Verify if short or complete name matches target.
if (err_code == NRF_SUCCESS)
{
if(!memcmp( nus_service_uuid,type_data.p_data,16))
{
// Stop scanning.
err_code = sd_ble_gap_scan_stop();
if (err_code != NRF_SUCCESS)
{
printf("[APPL]: Scan stop failed, reason %d\r\n", (int)err_code);
}
nrf_gpio_pin_clear(SCAN_LED_PIN_NO);
m_scan_param.selective = 0;
// Initiate connection.
err_code = sd_ble_gap_connect(&p_gap_evt->params.adv_report.\
peer_addr,
&m_scan_param,
&m_connection_param);
if (err_code != NRF_SUCCESS)
{
printf("[APPL]: Connection Request Failed, reason %d\r\n", (int)err_code);
}
break;
}
// }
}
break;
}
case BLE_GAP_EVT_TIMEOUT:
if(p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_SCAN)
{
if (m_scan_mode == BLE_WHITELIST_SCAN)
{
m_scan_mode = BLE_FAST_SCAN;
// Start non selective scanning.
scan_start();
}
}
else if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN)
{
//
}
break;
case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST:
// Accepting parameters requested by peer.
err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle,
&p_gap_evt->params.conn_param_update_request.conn_params);
APP_ERROR_CHECK(err_code);
break;
default:
break;
}
}
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;
}
/**@brief Function for handling the Application's BLE Stack events.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
const ble_gap_evt_t * p_gap_evt = &p_ble_evt->evt.gap_evt;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_ADV_REPORT:
{
data_t adv_data;
data_t type_data;
// Initialize advertisement report for parsing.
adv_data.p_data = (uint8_t *)p_gap_evt->params.adv_report.data;
adv_data.data_len = p_gap_evt->params.adv_report.dlen;
err_code = adv_report_parse(BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_MORE_AVAILABLE,
&adv_data,
&type_data);
if (err_code != NRF_SUCCESS)
{
// Compare short local name in case complete name does not match.
err_code = adv_report_parse(BLE_GAP_AD_TYPE_16BIT_SERVICE_UUID_COMPLETE,
&adv_data,
&type_data);
}
// Verify if short or complete name matches target.
if (err_code == NRF_SUCCESS)
{
uint16_t extracted_uuid;
// UUIDs found, look for matching UUID
for (uint32_t u_index = 0; u_index < (type_data.data_len/UUID16_SIZE); u_index++)
{
UUID16_EXTRACT(&extracted_uuid,&type_data.p_data[u_index * UUID16_SIZE]);
APPL_LOG("\t[APPL]: %x\r\n",extracted_uuid);
if(extracted_uuid == TARGET_UUID)
{
// Stop scanning.
err_code = sd_ble_gap_scan_stop();
if (err_code != NRF_SUCCESS)
{
APPL_LOG("[APPL]: Scan stop failed, reason %d\r\n", err_code);
}
err_code = bsp_indication_set(BSP_INDICATE_IDLE);
APP_ERROR_CHECK(err_code);
m_scan_param.selective = 0;
// Initiate connection.
err_code = sd_ble_gap_connect(&p_gap_evt->params.adv_report.peer_addr,
&m_scan_param,
&m_connection_param);
m_whitelist_temporarily_disabled = false;
if (err_code != NRF_SUCCESS)
{
APPL_LOG("[APPL]: Connection Request Failed, reason %d\r\n", err_code);
}
break;
}
}
}
break;
}
case BLE_GAP_EVT_TIMEOUT:
if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_SCAN)
{
APPL_LOG("[APPL]: Scan timed out.\r\n");
scan_start();
}
else if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN)
{
APPL_LOG("[APPL]: Connection Request timed out.\r\n");
}
break;
case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST:
// Accepting parameters requested by peer.
err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle,
&p_gap_evt->params.conn_param_update_request.conn_params);
APP_ERROR_CHECK(err_code);
break;
default:
break;
}
}
/**@brief Function for handling the Application's BLE Stack events.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_ADV_REPORT:
{
data_t adv_data;
data_t type_data;
// Initialize advertisement report for parsing.
adv_data.p_data = p_ble_evt->evt.gap_evt.params.adv_report.data;
adv_data.data_len = p_ble_evt->evt.gap_evt.params.adv_report.dlen;
err_code = adv_report_parse(BLE_GAP_AD_TYPE_COMPLETE_LOCAL_NAME,
&adv_data,
&type_data);
if (err_code != NRF_SUCCESS)
{
// Compare short local name in case complete name does not match.
err_code = adv_report_parse(BLE_GAP_AD_TYPE_SHORT_LOCAL_NAME,
&adv_data,
&type_data);
}
// Verify if short or complete name matches target.
if ((err_code == NRF_SUCCESS) &&
(0 == memcmp(TARGET_DEV_NAME,type_data.p_data,type_data.data_len)))
{
err_code = sd_ble_gap_scan_stop();
if (err_code != NRF_SUCCESS)
{
APPL_LOG("[APPL]: Scan stop failed, reason %d\r\n", err_code);
}
err_code = sd_ble_gap_connect(&p_ble_evt->evt.gap_evt.params.adv_report.\
peer_addr,
&m_scan_param,
&m_connection_param);
if (err_code != NRF_SUCCESS)
{
APPL_LOG("[APPL]: Connection Request Failed, reason %d\r\n", err_code);
}
}
break;
}
case BLE_GAP_EVT_TIMEOUT:
if(p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_SCAN)
{
APPL_LOG("[APPL]: Scan Timedout.\r\n");
}
else if (p_ble_evt->evt.gap_evt.params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN)
{
APPL_LOG("[APPL]: Connection Request Timedout.\r\n");
}
break;
default:
break;
}
}
/* Function to start scanning devices */
void conn_stop_scan(void)
{
/* stop scanning */
sd_ble_gap_scan_stop();
}
/**@brief Function for handling the Application's BLE Stack events.
*
* @param[in] p_ble_evt Bluetooth stack event.
*/
static void on_ble_evt(ble_evt_t * p_ble_evt)
{
uint32_t err_code;
const ble_gap_evt_t * p_gap_evt = &p_ble_evt->evt.gap_evt;
switch (p_ble_evt->header.evt_id)
{
case BLE_GAP_EVT_ADV_REPORT:
{
const ble_gap_evt_adv_report_t *p_adv_report = &p_gap_evt->params.adv_report;
//TODO: implement whitelist
bool friend = true;
// Whitelist substitute
for (int i = 0; i < BLE_GAP_ADDR_LEN - 1; i++)
// Last number of address doesnt count. Others should be same as ours.
{
if (p_adv_report->peer_addr.addr[BLE_GAP_ADDR_LEN - 1 - i] != l_device_address[i])
{
friend = false;
break;
}
}
if (friend)
{
make_report(NRF_RTC1->COUNTER, timer_epoch, p_adv_report->rssi, p_adv_report->peer_addr.addr[0]);
}
break;
}
case BLE_GAP_EVT_CONNECTED:
err_code = NRF_SUCCESS;
sd_ble_gap_scan_stop();
__LOG("conn. scan stopped");
APP_ERROR_CHECK(err_code);
m_conn_handle = p_ble_evt->evt.gap_evt.conn_handle;
break;
case BLE_GAP_EVT_DISCONNECTED:
m_conn_handle = BLE_CONN_HANDLE_INVALID;
__LOG("disco. scan start");
scan_start();
//initialize advertising again in case power level changed.
//advertised power is not by default tx power
advertising_init();
advertising_start();
break;
case BLE_GAP_EVT_TIMEOUT:
//advertising starts itself.
scan_start();
__LOG("timeout. scan start");
break;
case BLE_GATTS_EVT_TIMEOUT:
if (p_ble_evt->evt.gatts_evt.params.timeout.src == BLE_GATT_TIMEOUT_SRC_PROTOCOL)
{
err_code = sd_ble_gap_disconnect(m_conn_handle,
BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
}
//TODO: manage timeout.
__LOG("GATTS timeout.");
break;
case BLE_EVT_TX_COMPLETE:
if (m_file_in_transit) ble_nus_data_transfer();
break;
default:
// No implementation needed.
break;
}
}