error_t custom_add_in_descriptor(uint16_t char_handle,
ble_uuid_t *p_uuid,
uint8_t *p_data,
uint16_t length,
uint16_t max_length,
uint16_t *p_desc_handle)
{
/* Descriptor metadata */
ble_gatts_attr_md_t desc_md = {0};
desc_md.vloc = BLE_GATTS_VLOC_STACK;
/* Always set variable size */
desc_md.vlen = 1;
/* Make it readable and writable */
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&desc_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&desc_md.write_perm);
ble_gatts_attr_t attr_desc = {0};
attr_desc.p_uuid = p_uuid;
attr_desc.p_attr_md = &desc_md;
attr_desc.init_len = length;
attr_desc.max_len = max_length;
attr_desc.p_value = p_data;
ASSERT_STATUS ( sd_ble_gatts_descriptor_add(char_handle,
&attr_desc,
p_desc_handle));
return ERROR_NONE;
}
uint32_t conn_mw_ble_gatts_descriptor_add(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);
uint16_t char_handle;
uint8_t attr_value[BLE_GATTS_VAR_ATTR_LEN_MAX];
ble_uuid_t char_uuid;
ble_gatts_attr_md_t metadata;
ble_gatts_attr_t attr;
ble_gatts_attr_t * p_attr = &attr;
attr.p_uuid = &char_uuid;
attr.p_attr_md = &metadata;
attr.p_value = attr_value;
attr.init_len = sizeof (attr_value);
uint16_t handle;
uint16_t * p_handle = &handle;
uint32_t err_code = NRF_SUCCESS;
uint32_t sd_err_code;
err_code = ble_gatts_descriptor_add_req_dec(p_rx_buf, rx_buf_len, &char_handle, &p_attr,
&p_handle);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
sd_err_code = sd_ble_gatts_descriptor_add(char_handle, p_attr, p_handle);
err_code = ble_gatts_descriptor_add_rsp_enc(sd_err_code, p_tx_buf, p_tx_buf_len, handle);
SER_ASSERT(err_code == NRF_SUCCESS, err_code);
return err_code;
}
uint32_t descriptor_add(uint16_t char_handle,
ble_add_descr_params_t * p_descr_props,
uint16_t * p_descr_handle)
{
ble_gatts_attr_t descr_params;
ble_uuid_t desc_uuid;
ble_gatts_attr_md_t attr_md;
memset(&descr_params, 0, sizeof(descr_params));
if (p_descr_props->uuid_type == 0)
{
desc_uuid.type = BLE_UUID_TYPE_BLE;
}
else
{
desc_uuid.type = p_descr_props->uuid_type;
}
desc_uuid.uuid = p_descr_props->uuid;
descr_params.p_uuid = &desc_uuid;
set_security_req(p_descr_props->read_access, &attr_md.read_perm);
set_security_req(p_descr_props->write_access,&attr_md.write_perm);
attr_md.rd_auth = (p_descr_props->is_defered_read ? 1 : 0);
attr_md.wr_auth = (p_descr_props->is_defered_write ? 1 : 0);
attr_md.vlen = (p_descr_props->is_var_len ? 1 : 0);
attr_md.vloc = (p_descr_props->is_value_user ? BLE_GATTS_VLOC_USER : BLE_GATTS_VLOC_STACK);
descr_params.p_attr_md = &attr_md;
descr_params.init_len = p_descr_props->init_len;
descr_params.init_offs = p_descr_props->init_offs;
descr_params.max_len = p_descr_props->max_len;
descr_params.p_value = p_descr_props->p_value;
return sd_ble_gatts_descriptor_add(char_handle, &descr_params, p_descr_handle);
}
void nRF51822::begin(unsigned char advertisementDataType,
unsigned char advertisementDataLength,
const unsigned char* advertisementData,
unsigned char scanDataType,
unsigned char scanDataLength,
const unsigned char* scanData,
BLELocalAttribute** localAttributes,
unsigned char numLocalAttributes,
BLERemoteAttribute** remoteAttributes,
unsigned char numRemoteAttributes)
{
#ifdef __RFduino__
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, NULL);
#else
sd_softdevice_enable(NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, NULL); // sd_nvic_EnableIRQ(SWI2_IRQn);
#endif
#ifdef 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 (advertisementDataType && advertisementDataLength && advertisementData) {
this->_advData[this->_advDataLen + 0] = advertisementDataLength + 1;
this->_advData[this->_advDataLen + 1] = advertisementDataType;
this->_advDataLen += 2;
memcpy(&this->_advData[this->_advDataLen], advertisementData, advertisementDataLength);
this->_advDataLen += advertisementDataLength;
}
if (scanDataType && scanDataLength && scanData) {
srData[0] = scanDataLength + 1;
srData[1] = scanDataType;
memcpy(&srData[2], scanData, scanDataLength);
srDataLen = 2 + scanDataLength;
}
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
#ifdef 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
}
/**@brief Function for adding the Battery Level characteristic.
*
* @param[in] p_bas Battery Service structure.
* @param[in] p_bas_init Information needed to initialize the service.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t battery_level_char_add(ble_bas_t * p_bas, const ble_bas_init_t * p_bas_init)
{
uint32_t err_code;
ble_gatts_char_md_t char_md;
ble_gatts_attr_md_t cccd_md;
ble_gatts_attr_t attr_char_value;
ble_uuid_t ble_uuid;
ble_gatts_attr_md_t attr_md;
uint8_t initial_battery_level;
uint8_t encoded_report_ref[BLE_SRV_ENCODED_REPORT_REF_LEN];
uint8_t init_len;
// Add Battery Level characteristic
if (p_bas->is_notification_supported)
{
memset(&cccd_md, 0, sizeof(cccd_md));
// According to BAS_SPEC_V10, the read operation on cccd should be possible without
// authentication.
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
cccd_md.write_perm = p_bas_init->battery_level_char_attr_md.cccd_write_perm;
cccd_md.vloc = BLE_GATTS_VLOC_STACK;
}
memset(&char_md, 0, sizeof(char_md));
char_md.char_props.read = 1;
char_md.char_props.notify = (p_bas->is_notification_supported) ? 1 : 0;
char_md.p_char_user_desc = NULL;
char_md.p_char_pf = NULL;
char_md.p_user_desc_md = NULL;
char_md.p_cccd_md = (p_bas->is_notification_supported) ? &cccd_md : NULL;
char_md.p_sccd_md = NULL;
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_BATTERY_LEVEL_CHAR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_bas_init->battery_level_char_attr_md.read_perm;
attr_md.write_perm = p_bas_init->battery_level_char_attr_md.write_perm;
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
initial_battery_level = p_bas_init->initial_batt_level;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = sizeof(uint8_t);
attr_char_value.init_offs = 0;
attr_char_value.max_len = sizeof(uint8_t);
attr_char_value.p_value = &initial_battery_level;
err_code = sd_ble_gatts_characteristic_add(p_bas->service_handle, &char_md,
&attr_char_value,
&p_bas->battery_level_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
if (p_bas_init->p_report_ref != NULL)
{
// Add Report Reference descriptor
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_REPORT_REF_DESCR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_bas_init->battery_level_report_read_perm;
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
init_len = ble_srv_report_ref_encode(encoded_report_ref, p_bas_init->p_report_ref);
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = init_len;
attr_char_value.init_offs = 0;
attr_char_value.max_len = attr_char_value.init_len;
attr_char_value.p_value = encoded_report_ref;
err_code = sd_ble_gatts_descriptor_add(p_bas->battery_level_handles.value_handle,
&attr_char_value,
&p_bas->report_ref_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
else
{
p_bas->report_ref_handle = BLE_GATT_HANDLE_INVALID;
}
return NRF_SUCCESS;
}
/**@brief Function for adding the accel Level characteristic.
*
* @param[in] p_acc accel Service structure.
* @param[in] p_acc_init Information needed to initialize the service.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t accel_level_char_add(ble_acc_t * p_acc, const ble_acc_init_t * p_acc_init)
{
uint32_t err_code;
ble_gatts_char_md_t char_md;
ble_gatts_attr_md_t cccd_md;
ble_gatts_attr_t attr_char_value;
// ble_gatts_attr_t attr_char_value_2;
ble_uuid_t ble_uuid;
ble_gatts_attr_md_t attr_md;
// ble_gatts_attr_md_t attr_md_2;
ble_gatts_attr_md_t user_desc_md;
ble_gatts_char_pf_t accel_pf;
uint8_t initial_accel_level;
uint8_t encoded_report_ref[BLE_SRV_ENCODED_REPORT_REF_LEN];
uint8_t init_len;
uint8_t user_desc[] = "ACCEL";
// Add accel Level characteristic
if (p_acc->is_notification_supported)
{
memset(&cccd_md, 0, sizeof(cccd_md));
// According to acc_SPEC_V10, the read operation on cccd should be possible without
// authentication.
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
cccd_md.write_perm = p_acc_init->accel_level_char_attr_md.cccd_write_perm;
cccd_md.vloc = BLE_GATTS_VLOC_STACK;
}
memset(&user_desc_md, 0, sizeof(user_desc_md));
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&user_desc_md.read_perm);
// BLE_GAP_CONN_SEC_MODE_SET_OPEN(&user_desc_md.write_perm);
user_desc_md.vloc = BLE_GATTS_VLOC_STACK;
memset(&accel_pf, 0, sizeof(accel_pf));
accel_pf.format = BLE_GATT_CPF_FORMAT_UINT16;
accel_pf.exponent = 0;
accel_pf.unit = 0x2713; //acceleration data
memset(&char_md, 0, sizeof(char_md));
char_md.char_props.read = 1;
char_md.char_props.write = 1;
char_md.char_props.notify = (p_acc->is_notification_supported) ? 1 : 0;
char_md.p_char_user_desc = user_desc;
char_md.char_user_desc_max_size = 6;
char_md.char_user_desc_size = 6;
char_md.p_char_pf = &accel_pf;
char_md.p_user_desc_md = &user_desc_md;
char_md.p_cccd_md = (p_acc->is_notification_supported) ? &cccd_md : NULL;
char_md.p_sccd_md = NULL;
//adds the acce id to the softdevice stack, puts a reference to where it is
//into acc_uuid_type
ble_uuid.type = p_acc->uuid_type;
ble_uuid.uuid = BLE_UUID_TYPE_VENDOR_BEGIN;
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_acc_init->accel_level_char_attr_md.read_perm;
attr_md.write_perm = p_acc_init->accel_level_char_attr_md.write_perm;
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
initial_accel_level = p_acc_init->initial_batt_level;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = sizeof(uint16_t);
attr_char_value.init_offs = 0;
attr_char_value.max_len = sizeof(uint16_t);
attr_char_value.p_value = &initial_accel_level;
err_code = sd_ble_gatts_characteristic_add(p_acc->service_handle, &char_md,
&attr_char_value,
&p_acc->accel_level_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
if (p_acc_init->p_report_ref != NULL)
{
// Add Report Reference descriptor
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_REPORT_REF_DESCR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_acc_init->accel_level_report_read_perm;
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
init_len = ble_srv_report_ref_encode(encoded_report_ref, p_acc_init->p_report_ref);
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = init_len;
attr_char_value.init_offs = 0;
attr_char_value.max_len = attr_char_value.init_len;
attr_char_value.p_value = encoded_report_ref;
err_code = sd_ble_gatts_descriptor_add(p_acc->accel_level_handles.value_handle,
&attr_char_value,
&p_acc->report_ref_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
else
{
p_acc->report_ref_handle = BLE_GATT_HANDLE_INVALID;
}
return NRF_SUCCESS;
}
/**@brief Function for adding Report Map characteristics.
*
* @param[in] p_hids HID Service structure.
* @param[in] p_hids_init Service initialization structure.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t rep_map_char_add(ble_hids_t * p_hids, const ble_hids_init_t * p_hids_init)
{
uint32_t err_code;
ble_gatts_char_md_t char_md;
ble_gatts_attr_t attr_char_value;
ble_uuid_t ble_uuid;
ble_gatts_attr_md_t attr_md;
// Add Report Map characteristic
memset(&char_md, 0, sizeof(char_md));
char_md.char_props.read = 1;
char_md.p_char_user_desc = NULL;
char_md.p_char_pf = NULL;
char_md.p_user_desc_md = NULL;
char_md.p_cccd_md = NULL;
char_md.p_sccd_md = NULL;
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_REPORT_MAP_CHAR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_hids_init->rep_map.security_mode.read_perm;
attr_md.write_perm = p_hids_init->rep_map.security_mode.write_perm;
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 1;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = p_hids_init->rep_map.data_len;
attr_char_value.init_offs = 0;
attr_char_value.max_len = p_hids_init->rep_map.data_len;
attr_char_value.p_value = p_hids_init->rep_map.p_data;
err_code = sd_ble_gatts_characteristic_add(p_hids->service_handle,
&char_md,
&attr_char_value,
&p_hids->rep_map_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
if (p_hids_init->rep_map.ext_rep_ref_num != 0 && p_hids_init->rep_map.p_ext_rep_ref == NULL)
{
return NRF_ERROR_INVALID_PARAM;
}
for (int i = 0; i < p_hids_init->rep_map.ext_rep_ref_num; ++i)
{
uint8_t encoded_rep_ref[sizeof(ble_uuid128_t)];
uint8_t encoded_rep_ref_len;
// Add External Report Reference descriptor
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_EXTERNAL_REPORT_REF_DESCR);
memset(&attr_md, 0, sizeof(attr_md));
BLE_GAP_CONN_SEC_MODE_SET_ENC_NO_MITM(&attr_md.read_perm);
BLE_GAP_CONN_SEC_MODE_SET_NO_ACCESS(&attr_md.write_perm);
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
err_code = sd_ble_uuid_encode(&p_hids_init->rep_map.p_ext_rep_ref[i],
&encoded_rep_ref_len,
encoded_rep_ref);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = encoded_rep_ref_len;
attr_char_value.init_offs = 0;
attr_char_value.max_len = attr_char_value.init_len;
attr_char_value.p_value = encoded_rep_ref;
err_code = sd_ble_gatts_descriptor_add(p_hids->rep_map_handles.value_handle,
&attr_char_value,
&p_hids->rep_map_ext_rep_ref_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
}
return NRF_SUCCESS;
}
/**@brief Function for adding report characteristics.
*
* @param[in] p_hids HID Service structure.
* @param[in] p_properties Report characteristic properties.
* @param[in] max_len Maximum length of report value.
* @param[in] p_rep_ref Report Reference descriptor.
* @param[in] p_rep_ref_attr_md Characteristic security settings.
* @param[in] is_read_resp Characteristic read authorization.
* @param[out] p_rep_char Handles of new characteristic.
*
* @return NRF_SUCCESS on success, otherwise an error code.
*/
static uint32_t rep_char_add(ble_hids_t * p_hids,
ble_gatt_char_props_t * p_properties,
uint16_t max_len,
ble_srv_report_ref_t * p_rep_ref,
ble_srv_cccd_security_mode_t * p_rep_ref_attr_md,
bool is_read_resp,
ble_hids_rep_char_t * p_rep_char)
{
uint32_t err_code;
ble_gatts_char_md_t char_md;
ble_gatts_attr_md_t cccd_md;
ble_gatts_attr_t attr_char_value;
ble_uuid_t ble_uuid;
ble_gatts_attr_md_t attr_md;
uint8_t encoded_rep_ref[BLE_SRV_ENCODED_REPORT_REF_LEN];
// Add Report characteristic
if (p_properties->notify)
{
memset(&cccd_md, 0, sizeof(cccd_md));
BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
cccd_md.write_perm = p_rep_ref_attr_md->cccd_write_perm;
cccd_md.vloc = BLE_GATTS_VLOC_STACK;
}
memset(&char_md, 0, sizeof(char_md));
char_md.char_props = *p_properties;
char_md.p_char_user_desc = NULL;
char_md.p_char_pf = NULL;
char_md.p_user_desc_md = NULL;
char_md.p_cccd_md = (p_properties->notify) ? &cccd_md : NULL;
char_md.p_sccd_md = NULL;
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_REPORT_CHAR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_rep_ref_attr_md->read_perm;
attr_md.write_perm = p_rep_ref_attr_md->write_perm;
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = is_read_resp ? 1 : 0;
attr_md.wr_auth = 0;
attr_md.vlen = 1;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = 0;
attr_char_value.init_offs = 0;
attr_char_value.max_len = max_len;
attr_char_value.p_value = NULL;
err_code = sd_ble_gatts_characteristic_add(p_hids->service_handle,
&char_md,
&attr_char_value,
&p_rep_char->char_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
// Add Report Reference descriptor
BLE_UUID_BLE_ASSIGN(ble_uuid, BLE_UUID_REPORT_REF_DESCR);
memset(&attr_md, 0, sizeof(attr_md));
attr_md.read_perm = p_rep_ref_attr_md->read_perm;
attr_md.write_perm = p_rep_ref_attr_md->write_perm;
attr_md.vloc = BLE_GATTS_VLOC_STACK;
attr_md.rd_auth = 0;
attr_md.wr_auth = 0;
attr_md.vlen = 0;
memset(&attr_char_value, 0, sizeof(attr_char_value));
attr_char_value.p_uuid = &ble_uuid;
attr_char_value.p_attr_md = &attr_md;
attr_char_value.init_len = ble_srv_report_ref_encode(encoded_rep_ref, p_rep_ref);
attr_char_value.init_offs = 0;
attr_char_value.max_len = attr_char_value.init_len;
attr_char_value.p_value = encoded_rep_ref;
return sd_ble_gatts_descriptor_add(p_rep_char->char_handles.value_handle,
&attr_char_value,
&p_rep_char->ref_handle);
}
