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nRF51822.cpp
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nRF51822.cpp
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// Copyright (c) Sandeep Mistry. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
#if defined(NRF51) || defined(NRF52) || defined(__RFduino__)
#ifdef __RFduino__
#include <utility/RFduino/ble.h>
#include <utility/RFduino/ble_hci.h>
#include <utility/RFduino/nrf_sdm.h>
#elif defined(NRF5) || defined(NRF51_S130)
#include <ble.h>
#include <ble_hci.h>
#include <nrf_sdm.h>
#elif defined(NRF52) && defined(S132) // ARDUINO_RBL_nRF52832
#ifndef ARDUINO_RBL_nRF52832
#define ARDUINO_RBL_nRF52832
#endif
#include <sdk/softdevice/s132/headers/nrf_ble.h>
#include <sdk/softdevice/s132/headers/nrf_ble_hci.h>
#include <sdk/softdevice/s132/headers/nrf_sdm.h>
#else
#include <s110/ble.h>
#include <s110/ble_hci.h>
#include <s110/nrf_sdm.h>
#endif
#if defined(NRF5) || defined(NRF51_S130) || defined(ARDUINO_RBL_nRF52832)
uint32_t sd_ble_gatts_value_set(uint16_t handle, uint16_t offset, uint16_t* const p_len, uint8_t const * const p_value) {
ble_gatts_value_t val;
val.len = *p_len;
val.offset = offset;
val.p_value = (uint8_t*)p_value;
return sd_ble_gatts_value_set(BLE_CONN_HANDLE_INVALID, handle, &val);
}
#endif
#include "Arduino.h"
#include "BLEAttribute.h"
#include "BLEService.h"
#include "BLECharacteristic.h"
#include "BLEDescriptor.h"
#include "BLEUtil.h"
#include "BLEUuid.h"
#include "nRF51822.h"
// #define NRF_51822_DEBUG
#define BLE_STACK_EVT_MSG_BUF_SIZE (sizeof(ble_evt_t) + (GATT_MTU_SIZE_DEFAULT))
#ifndef BLE_GATTS_ATTR_TAB_SIZE
#define BLE_GATTS_ATTR_TAB_SIZE BLE_GATTS_ATTR_TAB_SIZE_DEFAULT
#endif
nRF51822::nRF51822() :
BLEDevice(),
_advDataLen(0),
_hasScanData(false),
_broadcastCharacteristic(NULL),
_connectionHandle(BLE_CONN_HANDLE_INVALID),
_txBufferCount(0),
_numLocalCharacteristics(0),
_localCharacteristicInfo(NULL),
_numRemoteServices(0),
_remoteServiceInfo(NULL),
_remoteServiceDiscoveryIndex(0),
_numRemoteCharacteristics(0),
_remoteCharacteristicInfo(NULL),
_remoteRequestInProgress(false)
{
#if defined(NRF5) || defined(NRF51_S130)
this->_encKey = (ble_gap_enc_key_t*)&this->_bondData;
memset(&this->_bondData, 0, sizeof(this->_bondData));
#else
this->_authStatus = (ble_gap_evt_auth_status_t*)&this->_authStatusBuffer;
memset(&this->_authStatusBuffer, 0, sizeof(this->_authStatusBuffer));
#endif
}
nRF51822::~nRF51822() {
this->end();
}
void nRF51822::begin(unsigned char advertisementDataSize,
BLEEirData *advertisementData,
unsigned char scanDataSize,
BLEEirData *scanData,
BLELocalAttribute** localAttributes,
unsigned char numLocalAttributes,
BLERemoteAttribute** remoteAttributes,
unsigned char numRemoteAttributes)
{
#ifdef __RFduino__
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, NULL);
#elif defined(NRF5) && !defined(S110)
#if defined(USE_LFRC)
nrf_clock_lf_cfg_t cfg = {
.source = NRF_CLOCK_LF_SRC_RC,
.rc_ctiv = 8, //16
.rc_temp_ctiv = 2,
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_250_PPM
};
#elif defined(USE_LFSYNT)
nrf_clock_lf_cfg_t cfg = {
.source = NRF_CLOCK_LF_SRC_SYNTH,
.rc_ctiv = 0,
.rc_temp_ctiv = 0,
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_250_PPM
};
#else
//default USE_LFXO
nrf_clock_lf_cfg_t cfg = {
.source = NRF_CLOCK_LF_SRC_XTAL,
.rc_ctiv = 0,
.rc_temp_ctiv = 0,
.xtal_accuracy = NRF_CLOCK_LF_XTAL_ACCURACY_20_PPM
};
#endif
sd_softdevice_enable(&cfg, NULL);
#else
#if defined(USE_LFRC)
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION, NULL);
#elif defined(USE_LFSYNT)
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, NULL);
#else
//default USE_LFXO
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL);
#endif
#endif
#if defined(NRF5) && !defined(S110)
extern uint32_t __data_start__;
uint32_t app_ram_base = (uint32_t) &__data_start__;
ble_enable_params_t enableParams;
memset(&enableParams, 0, sizeof(ble_enable_params_t));
enableParams.common_enable_params.vs_uuid_count = 10;
enableParams.gatts_enable_params.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE;
enableParams.gatts_enable_params.service_changed = 1;
enableParams.gap_enable_params.periph_conn_count = 1;
enableParams.gap_enable_params.central_conn_count = 0;
enableParams.gap_enable_params.central_sec_count = 0;
sd_ble_enable(&enableParams, &app_ram_base);
#elif defined(S110)
ble_enable_params_t enableParams = {
.gatts_enable_params = {
.service_changed = true,
.attr_tab_size = BLE_GATTS_ATTR_TAB_SIZE
}
};
sd_ble_enable(&enableParams);
#elif defined(NRF51_S130)
ble_enable_params_t enableParams = {
.gatts_enable_params = {
.service_changed = true
}
};
sd_ble_enable(&enableParams);
#endif
#ifdef NRF_51822_DEBUG
ble_version_t version;
sd_ble_version_get(&version);
Serial.print(F("version = "));
Serial.print(version.version_number);
Serial.print(F(" "));
Serial.print(version.company_id);
Serial.print(F(" "));
Serial.print(version.subversion_number);
Serial.println();
#endif
ble_gap_conn_params_t gap_conn_params;
gap_conn_params.min_conn_interval = 40; // in 1.25ms units
gap_conn_params.max_conn_interval = 80; // in 1.25ms unit
gap_conn_params.slave_latency = 0;
gap_conn_params.conn_sup_timeout = 4000 / 10; // in 10ms unit
sd_ble_gap_ppcp_set(&gap_conn_params);
sd_ble_gap_tx_power_set(0);
unsigned char srData[31];
unsigned char srDataLen = 0;
this->_advDataLen = 0;
// flags
this->_advData[this->_advDataLen + 0] = 2;
this->_advData[this->_advDataLen + 1] = 0x01;
this->_advData[this->_advDataLen + 2] = 0x06;
this->_advDataLen += 3;
if (advertisementDataSize && advertisementData) {
for (int i = 0; i < advertisementDataSize; i++) {
this->_advData[this->_advDataLen + 0] = advertisementData[i].length + 1;
this->_advData[this->_advDataLen + 1] = advertisementData[i].type;
this->_advDataLen += 2;
memcpy(&this->_advData[this->_advDataLen], advertisementData[i].data, advertisementData[i].length);
this->_advDataLen += advertisementData[i].length;
}
}
if (scanDataSize && scanData) {
for (int i = 0; i < scanDataSize; i++) {
srData[srDataLen + 0] = scanData[i].length + 1;
srData[srDataLen + 1] = scanData[i].type;
srDataLen += 2;
memcpy(&srData[srDataLen], scanData[i].data, scanData[i].length);
srDataLen += scanData[i].length;
_hasScanData = true;
}
}
sd_ble_gap_adv_data_set(this->_advData, this->_advDataLen, srData, srDataLen);
sd_ble_gap_appearance_set(0);
for (int i = 0; i < numLocalAttributes; i++) {
BLELocalAttribute *localAttribute = localAttributes[i];
if (localAttribute->type() == BLETypeCharacteristic) {
this->_numLocalCharacteristics++;
}
}
this->_numLocalCharacteristics -= 3; // 0x2a00, 0x2a01, 0x2a05
this->_localCharacteristicInfo = (struct localCharacteristicInfo*)malloc(sizeof(struct localCharacteristicInfo) * this->_numLocalCharacteristics);
unsigned char localCharacteristicIndex = 0;
uint16_t handle = 0;
BLEService *lastService = NULL;
for (int i = 0; i < numLocalAttributes; i++) {
BLELocalAttribute *localAttribute = localAttributes[i];
BLEUuid uuid = BLEUuid(localAttribute->uuid());
const unsigned char* uuidData = uuid.data();
unsigned char value[255];
ble_uuid_t nordicUUID;
if (uuid.length() == 2) {
nordicUUID.uuid = (uuidData[1] << 8) | uuidData[0];
nordicUUID.type = BLE_UUID_TYPE_BLE;
} else {
unsigned char uuidDataTemp[16];
memcpy(&uuidDataTemp, uuidData, sizeof(uuidDataTemp));
nordicUUID.uuid = (uuidData[13] << 8) | uuidData[12];
uuidDataTemp[13] = 0;
uuidDataTemp[12] = 0;
sd_ble_uuid_vs_add((ble_uuid128_t*)&uuidDataTemp, &nordicUUID.type);
}
if (localAttribute->type() == BLETypeService) {
BLEService *service = (BLEService *)localAttribute;
if (strcmp(service->uuid(), "1800") == 0 || strcmp(service->uuid(), "1801") == 0) {
continue; // skip
}
sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY, &nordicUUID, &handle);
lastService = service;
} else if (localAttribute->type() == BLETypeCharacteristic) {
BLECharacteristic *characteristic = (BLECharacteristic *)localAttribute;
if (strcmp(characteristic->uuid(), "2a00") == 0) {
ble_gap_conn_sec_mode_t secMode;
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&secMode); // no security is needed
sd_ble_gap_device_name_set(&secMode, characteristic->value(), characteristic->valueLength());
} else if (strcmp(characteristic->uuid(), "2a01") == 0) {
const uint16_t *appearance = (const uint16_t*)characteristic->value();
sd_ble_gap_appearance_set(*appearance);
} else if (strcmp(characteristic->uuid(), "2a05") == 0) {
// do nothing
} else {
uint8_t properties = characteristic->properties() & 0xfe;
uint16_t valueLength = characteristic->valueLength();
this->_localCharacteristicInfo[localCharacteristicIndex].characteristic = characteristic;
this->_localCharacteristicInfo[localCharacteristicIndex].notifySubscribed = false;
this->_localCharacteristicInfo[localCharacteristicIndex].indicateSubscribed = false;
this->_localCharacteristicInfo[localCharacteristicIndex].service = lastService;
ble_gatts_char_md_t characteristicMetaData;
ble_gatts_attr_md_t clientCharacteristicConfigurationMetaData;
ble_gatts_attr_t characteristicValueAttribute;
ble_gatts_attr_md_t characteristicValueAttributeMetaData;
memset(&characteristicMetaData, 0, sizeof(characteristicMetaData));
memcpy(&characteristicMetaData.char_props, &properties, 1);
characteristicMetaData.p_char_user_desc = NULL;
characteristicMetaData.p_char_pf = NULL;
characteristicMetaData.p_user_desc_md = NULL;
characteristicMetaData.p_cccd_md = NULL;
characteristicMetaData.p_sccd_md = NULL;
if (properties & (BLENotify | BLEIndicate)) {
memset(&clientCharacteristicConfigurationMetaData, 0, sizeof(clientCharacteristicConfigurationMetaData));
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&clientCharacteristicConfigurationMetaData.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&clientCharacteristicConfigurationMetaData.write_perm);
clientCharacteristicConfigurationMetaData.vloc = BLE_GATTS_VLOC_STACK;
characteristicMetaData.p_cccd_md = &clientCharacteristicConfigurationMetaData;
}
memset(&characteristicValueAttributeMetaData, 0, sizeof(characteristicValueAttributeMetaData));
if (properties & (BLERead | BLENotify | BLEIndicate)) {
if (this->_bondStore) {
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&characteristicValueAttributeMetaData.read_perm);
} else {
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&characteristicValueAttributeMetaData.read_perm);
}
}
if (properties & (BLEWriteWithoutResponse | BLEWrite)) {
if (this->_bondStore) {
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&characteristicValueAttributeMetaData.write_perm);
} else {
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&characteristicValueAttributeMetaData.write_perm);
}
}
characteristicValueAttributeMetaData.vloc = BLE_GATTS_VLOC_STACK;
characteristicValueAttributeMetaData.rd_auth = 0;
characteristicValueAttributeMetaData.wr_auth = 0;
characteristicValueAttributeMetaData.vlen = !characteristic->fixedLength();
for (int j = (i + 1); j < numLocalAttributes; j++) {
localAttribute = localAttributes[j];
if (localAttribute->type() != BLETypeDescriptor) {
break;
}
BLEDescriptor *descriptor = (BLEDescriptor *)localAttribute;
if (strcmp(descriptor->uuid(), "2901") == 0) {
characteristicMetaData.p_char_user_desc = (uint8_t*)descriptor->value();
characteristicMetaData.char_user_desc_max_size = descriptor->valueLength();
characteristicMetaData.char_user_desc_size = descriptor->valueLength();
} else if (strcmp(descriptor->uuid(), "2904") == 0) {
characteristicMetaData.p_char_pf = (ble_gatts_char_pf_t *)descriptor->value();
}
}
memset(&characteristicValueAttribute, 0, sizeof(characteristicValueAttribute));
characteristicValueAttribute.p_uuid = &nordicUUID;
characteristicValueAttribute.p_attr_md = &characteristicValueAttributeMetaData;
characteristicValueAttribute.init_len = valueLength;
characteristicValueAttribute.init_offs = 0;
characteristicValueAttribute.max_len = characteristic->valueSize();
characteristicValueAttribute.p_value = NULL;
sd_ble_gatts_characteristic_add(BLE_GATT_HANDLE_INVALID, &characteristicMetaData, &characteristicValueAttribute, &this->_localCharacteristicInfo[localCharacteristicIndex].handles);
if (valueLength) {
for (int j = 0; j < valueLength; j++) {
value[j] = (*characteristic)[j];
}
sd_ble_gatts_value_set(this->_localCharacteristicInfo[localCharacteristicIndex].handles.value_handle, 0, &valueLength, value);
}
localCharacteristicIndex++;
}
} else if (localAttribute->type() == BLETypeDescriptor) {
BLEDescriptor *descriptor = (BLEDescriptor *)localAttribute;
if (strcmp(descriptor->uuid(), "2901") == 0 ||
strcmp(descriptor->uuid(), "2902") == 0 ||
strcmp(descriptor->uuid(), "2903") == 0 ||
strcmp(descriptor->uuid(), "2904") == 0) {
continue; // skip
}
uint16_t valueLength = descriptor->valueLength();
ble_gatts_attr_t descriptorAttribute;
ble_gatts_attr_md_t descriptorMetaData;
memset(&descriptorAttribute, 0, sizeof(descriptorAttribute));
memset(&descriptorMetaData, 0, sizeof(descriptorMetaData));
descriptorMetaData.vloc = BLE_GATTS_VLOC_STACK;
descriptorMetaData.vlen = (valueLength == descriptor->valueLength()) ? 0 : 1;
if (this->_bondStore) {
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&descriptorMetaData.read_perm);
} else {
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&descriptorMetaData.read_perm);
}
descriptorAttribute.p_uuid = &nordicUUID;
descriptorAttribute.p_attr_md = &descriptorMetaData;
descriptorAttribute.init_len = valueLength;
descriptorAttribute.max_len = descriptor->valueLength();
descriptorAttribute.p_value = NULL;
sd_ble_gatts_descriptor_add(BLE_GATT_HANDLE_INVALID, &descriptorAttribute, &handle);
if (valueLength) {
for (int j = 0; j < valueLength; j++) {
value[j] = (*descriptor)[j];
}
sd_ble_gatts_value_set(handle, 0, &valueLength, value);
}
}
}
if ( numRemoteAttributes > 0) {
numRemoteAttributes -= 2; // 0x1801, 0x2a05
}
for (int i = 0; i < numRemoteAttributes; i++) {
BLERemoteAttribute *remoteAttribute = remoteAttributes[i];
if (remoteAttribute->type() == BLETypeService) {
this->_numRemoteServices++;
} else if (remoteAttribute->type() == BLETypeCharacteristic) {
this->_numRemoteCharacteristics++;
}
}
this->_remoteServiceInfo = (struct remoteServiceInfo*)malloc(sizeof(struct remoteServiceInfo) * this->_numRemoteServices);
this->_remoteCharacteristicInfo = (struct remoteCharacteristicInfo*)malloc(sizeof(struct remoteCharacteristicInfo) * this->_numRemoteCharacteristics);
BLERemoteService *lastRemoteService = NULL;
unsigned char remoteServiceIndex = 0;
unsigned char remoteCharacteristicIndex = 0;
for (int i = 0; i < numRemoteAttributes; i++) {
BLERemoteAttribute *remoteAttribute = remoteAttributes[i];
BLEUuid uuid = BLEUuid(remoteAttribute->uuid());
const unsigned char* uuidData = uuid.data();
ble_uuid_t nordicUUID;
if (uuid.length() == 2) {
nordicUUID.uuid = (uuidData[1] << 8) | uuidData[0];
nordicUUID.type = BLE_UUID_TYPE_BLE;
} else {
unsigned char uuidDataTemp[16];
memcpy(&uuidDataTemp, uuidData, sizeof(uuidDataTemp));
nordicUUID.uuid = (uuidData[13] << 8) | uuidData[12];
uuidDataTemp[13] = 0;
uuidDataTemp[12] = 0;
sd_ble_uuid_vs_add((ble_uuid128_t*)&uuidDataTemp, &nordicUUID.type);
}
if (remoteAttribute->type() == BLETypeService) {
this->_remoteServiceInfo[remoteServiceIndex].service = lastRemoteService = (BLERemoteService *)remoteAttribute;
this->_remoteServiceInfo[remoteServiceIndex].uuid = nordicUUID;
memset(&this->_remoteServiceInfo[remoteServiceIndex].handlesRange, 0, sizeof(this->_remoteServiceInfo[remoteServiceIndex].handlesRange));
remoteServiceIndex++;
} else if (remoteAttribute->type() == BLETypeCharacteristic) {
this->_remoteCharacteristicInfo[remoteCharacteristicIndex].characteristic = (BLERemoteCharacteristic *)remoteAttribute;
this->_remoteCharacteristicInfo[remoteCharacteristicIndex].service = lastRemoteService;
this->_remoteCharacteristicInfo[remoteCharacteristicIndex].uuid = nordicUUID;
memset(&this->_remoteCharacteristicInfo[remoteCharacteristicIndex].properties, 0, sizeof(this->_remoteCharacteristicInfo[remoteCharacteristicIndex].properties));
this->_remoteCharacteristicInfo[remoteCharacteristicIndex].valueHandle = 0;
remoteCharacteristicIndex++;
}
}
if (this->_bondStore && this->_bondStore->hasData()) {
#ifdef NRF_51822_DEBUG
Serial.println(F("Restoring bond data"));
#endif
#if defined(NRF5) || defined(NRF51_S130)
this->_bondStore->getData(this->_bondData, 0, sizeof(this->_bondData));
#else
this->_bondStore->getData(this->_authStatusBuffer, 0, sizeof(this->_authStatusBuffer));
#endif
}
this->startAdvertising();
#ifdef __RFduino__
RFduinoBLE_enabled = 1;
#endif
}
void nRF51822::poll() {
uint32_t evtBuf[BLE_STACK_EVT_MSG_BUF_SIZE] __attribute__ ((__aligned__(BLE_EVTS_PTR_ALIGNMENT)));
uint16_t evtLen = sizeof(evtBuf);
ble_evt_t* bleEvt = (ble_evt_t*)evtBuf;
if (sd_ble_evt_get((uint8_t*)evtBuf, &evtLen) == NRF_SUCCESS) {
switch (bleEvt->header.evt_id) {
case BLE_EVT_TX_COMPLETE:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt TX complete "));
Serial.println(bleEvt->evt.common_evt.params.tx_complete.count);
#endif
this->_txBufferCount += bleEvt->evt.common_evt.params.tx_complete.count;
break;
case BLE_GAP_EVT_CONNECTED:
#ifdef NRF_51822_DEBUG
char address[18];
BLEUtil::addressToString(bleEvt->evt.gap_evt.params.connected.peer_addr.addr, address);
Serial.print(F("Evt Connected "));
Serial.println(address);
#endif
this->_connectionHandle = bleEvt->evt.gap_evt.conn_handle;
#if defined(NRF5) && !defined(S110)
{
uint8_t count;
sd_ble_tx_packet_count_get(this->_connectionHandle, &count);
this->_txBufferCount = count;
}
#else
sd_ble_tx_buffer_count_get(&this->_txBufferCount);
#endif
if (this->_eventListener) {
this->_eventListener->BLEDeviceConnected(*this, bleEvt->evt.gap_evt.params.connected.peer_addr.addr);
}
if (this->_minimumConnectionInterval >= BLE_GAP_CP_MIN_CONN_INTVL_MIN &&
this->_maximumConnectionInterval <= BLE_GAP_CP_MAX_CONN_INTVL_MAX) {
ble_gap_conn_params_t gap_conn_params;
gap_conn_params.min_conn_interval = this->_minimumConnectionInterval; // in 1.25ms units
gap_conn_params.max_conn_interval = this->_maximumConnectionInterval; // in 1.25ms unit
gap_conn_params.slave_latency = 0;
gap_conn_params.conn_sup_timeout = 4000 / 10; // in 10ms unit
sd_ble_gap_conn_param_update(this->_connectionHandle, &gap_conn_params);
}
if (this->_numRemoteServices > 0) {
sd_ble_gattc_primary_services_discover(this->_connectionHandle, 1, NULL);
}
break;
case BLE_GAP_EVT_DISCONNECTED:
#ifdef NRF_51822_DEBUG
Serial.println(F("Evt Disconnected"));
#endif
this->_connectionHandle = BLE_CONN_HANDLE_INVALID;
this->_txBufferCount = 0;
for (int i = 0; i < this->_numLocalCharacteristics; i++) {
struct localCharacteristicInfo* localCharacteristicInfo = &this->_localCharacteristicInfo[i];
localCharacteristicInfo->notifySubscribed = false;
localCharacteristicInfo->indicateSubscribed = false;
if (localCharacteristicInfo->characteristic->subscribed()) {
if (this->_eventListener) {
this->_eventListener->BLEDeviceCharacteristicSubscribedChanged(*this, *localCharacteristicInfo->characteristic, false);
}
}
}
if (this->_eventListener) {
this->_eventListener->BLEDeviceDisconnected(*this);
}
// clear remote handle info
for (int i = 0; i < this->_numRemoteServices; i++) {
memset(&this->_remoteServiceInfo[i].handlesRange, 0, sizeof(this->_remoteServiceInfo[i].handlesRange));
}
for (int i = 0; i < this->_numRemoteCharacteristics; i++) {
memset(&this->_remoteCharacteristicInfo[i].properties, 0, sizeof(this->_remoteCharacteristicInfo[i].properties));
this->_remoteCharacteristicInfo[i].valueHandle = 0;
}
this->_remoteRequestInProgress = false;
this->startAdvertising();
break;
case BLE_GAP_EVT_CONN_PARAM_UPDATE:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Conn Param Update 0x"));
Serial.print(bleEvt->evt.gap_evt.params.conn_param_update.conn_params.min_conn_interval, HEX);
Serial.print(F(" 0x"));
Serial.print(bleEvt->evt.gap_evt.params.conn_param_update.conn_params.max_conn_interval, HEX);
Serial.print(F(" 0x"));
Serial.print(bleEvt->evt.gap_evt.params.conn_param_update.conn_params.slave_latency, HEX);
Serial.print(F(" 0x"));
Serial.print(bleEvt->evt.gap_evt.params.conn_param_update.conn_params.conn_sup_timeout, HEX);
Serial.println();
#endif
break;
case BLE_GAP_EVT_SEC_PARAMS_REQUEST:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Sec Params Request "));
#if !defined(NRF5) && !defined(NRF51_S130)
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.timeout);
Serial.print(F(" "));
#endif
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.bond);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.mitm);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.io_caps);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.oob);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.min_key_size);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_params_request.peer_params.max_key_size);
Serial.println();
#endif
if (this->_bondStore && !this->_bondStore->hasData()) {
// only allow bonding if bond store exists and there is no data
ble_gap_sec_params_t gapSecParams;
memset(&gapSecParams, 0x00, sizeof(ble_gap_sec_params_t));
#if defined(NRF5) && !defined(S110)
gapSecParams.kdist_own.enc = 1;
#elif defined(NRF51_S130)
gapSecParams.kdist_periph.enc = 1;
#elif !defined(NRF5)
gapSecParams.timeout = 30; // must be 30s
#endif
gapSecParams.bond = true;
gapSecParams.mitm = false;
gapSecParams.io_caps = BLE_GAP_IO_CAPS_NONE;
gapSecParams.oob = false;
gapSecParams.min_key_size = 7;
gapSecParams.max_key_size = 16;
#if defined(NRF5) && !defined(S110)
ble_gap_sec_keyset_t keyset;
keyset.keys_peer.p_enc_key = NULL;
keyset.keys_peer.p_id_key = NULL;
keyset.keys_peer.p_sign_key = NULL;
keyset.keys_own.p_enc_key = this->_encKey;
keyset.keys_own.p_id_key = NULL;
keyset.keys_own.p_sign_key = NULL;
sd_ble_gap_sec_params_reply(this->_connectionHandle, BLE_GAP_SEC_STATUS_SUCCESS, &gapSecParams, &keyset);
#elif defined(NRF51_S130) || defined(S110)
ble_gap_sec_keyset_t keyset;
keyset.keys_central.p_enc_key = NULL;
keyset.keys_central.p_id_key = NULL;
keyset.keys_central.p_sign_key = NULL;
keyset.keys_periph.p_enc_key = this->_encKey;
keyset.keys_periph.p_id_key = NULL;
keyset.keys_periph.p_sign_key = NULL;
sd_ble_gap_sec_params_reply(this->_connectionHandle, BLE_GAP_SEC_STATUS_SUCCESS, &gapSecParams, &keyset);
#else
sd_ble_gap_sec_params_reply(this->_connectionHandle, BLE_GAP_SEC_STATUS_SUCCESS, &gapSecParams);
#endif
} else {
#if defined(NRF5) || defined(NRF51_S130)
sd_ble_gap_sec_params_reply(this->_connectionHandle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL);
#else
sd_ble_gap_sec_params_reply(this->_connectionHandle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL);
#endif
}
break;
case BLE_GAP_EVT_SEC_INFO_REQUEST:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Sec Info Request "));
// Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.peer_addr);
// Serial.print(F(" "));
#if defined(NRF5) || defined(NRF51_S130)
Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.master_id.ediv);
#else
Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.div);
#endif
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.enc_info);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.id_info);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.sec_info_request.sign_info);
Serial.println();
#endif
#if defined(NRF5) || defined(NRF51_S130)
if (this->_encKey->master_id.ediv == bleEvt->evt.gap_evt.params.sec_info_request.master_id.ediv) {
sd_ble_gap_sec_info_reply(this->_connectionHandle, &this->_encKey->enc_info, NULL, NULL);
} else {
sd_ble_gap_sec_info_reply(this->_connectionHandle, NULL, NULL, NULL);
}
#else
if (this->_authStatus->periph_keys.enc_info.div == bleEvt->evt.gap_evt.params.sec_info_request.div) {
sd_ble_gap_sec_info_reply(this->_connectionHandle, &this->_authStatus->periph_keys.enc_info, NULL);
} else {
sd_ble_gap_sec_info_reply(this->_connectionHandle, NULL, NULL);
}
#endif
break;
case BLE_GAP_EVT_AUTH_STATUS:
#ifdef NRF_51822_DEBUG
Serial.println(F("Evt Auth Status"));
Serial.println(bleEvt->evt.gap_evt.params.auth_status.auth_status);
#endif
if (BLE_GAP_SEC_STATUS_SUCCESS == bleEvt->evt.gap_evt.params.auth_status.auth_status) {
#if !defined(NRF5) && !defined(NRF51_S130)
*this->_authStatus = bleEvt->evt.gap_evt.params.auth_status;
#endif
if (this->_bondStore) {
#ifdef NRF_51822_DEBUG
Serial.println(F("Storing bond data"));
#endif
#if defined(NRF5) || defined(NRF51_S130)
this->_bondStore->putData(this->_bondData, 0, sizeof(this->_bondData));
#else
this->_bondStore->putData(this->_authStatusBuffer, 0, sizeof(this->_authStatusBuffer));
#endif
}
if (this->_eventListener) {
this->_eventListener->BLEDeviceBonded(*this);
}
}
break;
case BLE_GAP_EVT_CONN_SEC_UPDATE:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Conn Sec Update "));
Serial.print(bleEvt->evt.gap_evt.params.conn_sec_update.conn_sec.sec_mode.sm);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.conn_sec_update.conn_sec.sec_mode.lv);
Serial.print(F(" "));
Serial.print(bleEvt->evt.gap_evt.params.conn_sec_update.conn_sec.encr_key_size);
Serial.println();
#endif
break;
case BLE_GATTS_EVT_WRITE: {
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Write, handle = "));
Serial.println(bleEvt->evt.gatts_evt.params.write.handle, DEC);
BLEUtil::printBuffer(bleEvt->evt.gatts_evt.params.write.data, bleEvt->evt.gatts_evt.params.write.len);
#endif
uint16_t handle = bleEvt->evt.gatts_evt.params.write.handle;
for (int i = 0; i < this->_numLocalCharacteristics; i++) {
struct localCharacteristicInfo* localCharacteristicInfo = &this->_localCharacteristicInfo[i];
if (localCharacteristicInfo->handles.value_handle == handle) {
if (this->_eventListener) {
this->_eventListener->BLEDeviceCharacteristicValueChanged(*this, *localCharacteristicInfo->characteristic, bleEvt->evt.gatts_evt.params.write.data, bleEvt->evt.gatts_evt.params.write.len);
}
break;
} else if (localCharacteristicInfo->handles.cccd_handle == handle) {
uint8_t* data = &bleEvt->evt.gatts_evt.params.write.data[0];
uint16_t value = data[0] | (data[1] << 8);
localCharacteristicInfo->notifySubscribed = (value & 0x0001);
localCharacteristicInfo->indicateSubscribed = (value & 0x0002);
bool subscribed = (localCharacteristicInfo->notifySubscribed || localCharacteristicInfo->indicateSubscribed);
if (subscribed != localCharacteristicInfo->characteristic->subscribed()) {
if (this->_eventListener) {
this->_eventListener->BLEDeviceCharacteristicSubscribedChanged(*this, *localCharacteristicInfo->characteristic, subscribed);
}
break;
}
}
}
break;
}
case BLE_GATTS_EVT_SYS_ATTR_MISSING:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Sys Attr Missing "));
Serial.println(bleEvt->evt.gatts_evt.params.sys_attr_missing.hint);
#endif
#if defined(NRF5) || defined(NRF51_S130)
sd_ble_gatts_sys_attr_set(this->_connectionHandle, NULL, 0, 0);
#else
sd_ble_gatts_sys_attr_set(this->_connectionHandle, NULL, 0);
#endif
break;
case BLE_GATTC_EVT_PRIM_SRVC_DISC_RSP:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Prim Srvc Disc Rsp 0x"));
Serial.println(bleEvt->evt.gattc_evt.gatt_status, HEX);
#endif
if (bleEvt->evt.gattc_evt.gatt_status == BLE_GATT_STATUS_SUCCESS) {
uint16_t count = bleEvt->evt.gattc_evt.params.prim_srvc_disc_rsp.count;
for (int i = 0; i < count; i++) {
for (int j = 0; j < this->_numRemoteServices; j++) {
if ((bleEvt->evt.gattc_evt.params.prim_srvc_disc_rsp.services[i].uuid.type == this->_remoteServiceInfo[j].uuid.type) &&
(bleEvt->evt.gattc_evt.params.prim_srvc_disc_rsp.services[i].uuid.uuid == this->_remoteServiceInfo[j].uuid.uuid)) {
this->_remoteServiceInfo[j].handlesRange = bleEvt->evt.gattc_evt.params.prim_srvc_disc_rsp.services[i].handle_range;
break;
}
}
}
uint16_t startHandle = bleEvt->evt.gattc_evt.params.prim_srvc_disc_rsp.services[count - 1].handle_range.end_handle + 1;
sd_ble_gattc_primary_services_discover(this->_connectionHandle, startHandle, NULL);
} else {
// done discovering services
for (int i = 0; i < this->_numRemoteServices; i++) {
if (this->_remoteServiceInfo[i].handlesRange.start_handle != 0 && this->_remoteServiceInfo[i].handlesRange.end_handle != 0) {
this->_remoteServiceDiscoveryIndex = i;
sd_ble_gattc_characteristics_discover(this->_connectionHandle, &this->_remoteServiceInfo[i].handlesRange);
break;
}
}
}
break;
case BLE_GATTC_EVT_CHAR_DISC_RSP:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Char Disc Rsp 0x"));
Serial.println(bleEvt->evt.gattc_evt.gatt_status, HEX);
#endif
if (bleEvt->evt.gattc_evt.gatt_status == BLE_GATT_STATUS_SUCCESS) {
ble_gattc_handle_range_t serviceHandlesRange = this->_remoteServiceInfo[this->_remoteServiceDiscoveryIndex].handlesRange;
uint16_t count = bleEvt->evt.gattc_evt.params.char_disc_rsp.count;
for (int i = 0; i < count; i++) {
for (int j = 0; j < this->_numRemoteCharacteristics; j++) {
if ((this->_remoteServiceInfo[this->_remoteServiceDiscoveryIndex].service == this->_remoteCharacteristicInfo[j].service) &&
(bleEvt->evt.gattc_evt.params.char_disc_rsp.chars[i].uuid.type == this->_remoteCharacteristicInfo[j].uuid.type) &&
(bleEvt->evt.gattc_evt.params.char_disc_rsp.chars[i].uuid.uuid == this->_remoteCharacteristicInfo[j].uuid.uuid)) {
this->_remoteCharacteristicInfo[j].properties = bleEvt->evt.gattc_evt.params.char_disc_rsp.chars[i].char_props;
this->_remoteCharacteristicInfo[j].valueHandle = bleEvt->evt.gattc_evt.params.char_disc_rsp.chars[i].handle_value;
}
}
serviceHandlesRange.start_handle = bleEvt->evt.gattc_evt.params.char_disc_rsp.chars[i].handle_value;
}
sd_ble_gattc_characteristics_discover(this->_connectionHandle, &serviceHandlesRange);
} else {
bool discoverCharacteristics = false;
for (int i = this->_remoteServiceDiscoveryIndex + 1; i < this->_numRemoteServices; i++) {
if (this->_remoteServiceInfo[i].handlesRange.start_handle != 0 && this->_remoteServiceInfo[i].handlesRange.end_handle != 0) {
this->_remoteServiceDiscoveryIndex = i;
sd_ble_gattc_characteristics_discover(this->_connectionHandle, &this->_remoteServiceInfo[i].handlesRange);
discoverCharacteristics = true;
break;
}
}
if (!discoverCharacteristics) {
if (this->_eventListener) {
this->_eventListener->BLEDeviceRemoteServicesDiscovered(*this);
}
}
}
break;
case BLE_GATTC_EVT_READ_RSP: {
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Read Rsp 0x"));
Serial.println(bleEvt->evt.gattc_evt.gatt_status, HEX);
Serial.println(bleEvt->evt.gattc_evt.params.read_rsp.handle, DEC);
BLEUtil::printBuffer(bleEvt->evt.gattc_evt.params.read_rsp.data, bleEvt->evt.gattc_evt.params.read_rsp.len);
#endif
this->_remoteRequestInProgress = false;
if (bleEvt->evt.gattc_evt.gatt_status == BLE_GATT_STATUS_ATTERR_INSUF_AUTHENTICATION &&
this->_bondStore) {
ble_gap_sec_params_t gapSecParams;
memset(&gapSecParams, 0x00, sizeof(ble_gap_sec_params_t));
#if defined(NRF5) && !defined(S110)
gapSecParams.kdist_own.enc = 1;
#elif defined(NRF51_S130)
gapSecParams.kdist_periph.enc = 1;
#elif !defined(NRF5)
gapSecParams.timeout = 30; // must be 30s
#endif
gapSecParams.bond = true;
gapSecParams.mitm = false;
gapSecParams.io_caps = BLE_GAP_IO_CAPS_NONE;
gapSecParams.oob = false;
gapSecParams.min_key_size = 7;
gapSecParams.max_key_size = 16;
sd_ble_gap_authenticate(this->_connectionHandle, &gapSecParams);
} else {
uint16_t handle = bleEvt->evt.gattc_evt.params.read_rsp.handle;
for (int i = 0; i < this->_numRemoteCharacteristics; i++) {
if (this->_remoteCharacteristicInfo[i].valueHandle == handle) {
if (this->_eventListener) {
this->_eventListener->BLEDeviceRemoteCharacteristicValueChanged(*this, *this->_remoteCharacteristicInfo[i].characteristic, bleEvt->evt.gattc_evt.params.read_rsp.data, bleEvt->evt.gattc_evt.params.read_rsp. len);
}
break;
}
}
}
break;
}
case BLE_GATTC_EVT_WRITE_RSP:
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Write Rsp 0x"));
Serial.println(bleEvt->evt.gattc_evt.gatt_status, HEX);
Serial.println(bleEvt->evt.gattc_evt.params.write_rsp.handle, DEC);
#endif
this->_remoteRequestInProgress = false;
if (bleEvt->evt.gattc_evt.gatt_status == BLE_GATT_STATUS_ATTERR_INSUF_AUTHENTICATION &&
this->_bondStore) {
ble_gap_sec_params_t gapSecParams;
memset(&gapSecParams, 0x00, sizeof(ble_gap_sec_params_t));
#if defined(NRF5) && !defined(S110)
gapSecParams.kdist_own.enc = 1;
#elif defined(NRF51_S130)
gapSecParams.kdist_periph.enc = 1;
#elif !defined(NRF5)
gapSecParams.timeout = 30; // must be 30s
#endif
gapSecParams.bond = true;
gapSecParams.mitm = false;
gapSecParams.io_caps = BLE_GAP_IO_CAPS_NONE;
gapSecParams.oob = false;
gapSecParams.min_key_size = 7;
gapSecParams.max_key_size = 16;
sd_ble_gap_authenticate(this->_connectionHandle, &gapSecParams);
}
break;
case BLE_GATTC_EVT_HVX: {
#ifdef NRF_51822_DEBUG
Serial.print(F("Evt Hvx 0x"));
Serial.println(bleEvt->evt.gattc_evt.gatt_status, HEX);
Serial.println(bleEvt->evt.gattc_evt.params.hvx.handle, DEC);
#endif
uint16_t handle = bleEvt->evt.gattc_evt.params.hvx.handle;
if (bleEvt->evt.gattc_evt.params.hvx.type == BLE_GATT_HVX_INDICATION) {
sd_ble_gattc_hv_confirm(this->_connectionHandle, handle);