hi,all
I Need add many characteristic with notify in one service,and I wish it can send notify to the phone once the phone enable cccd.
1.tx_handles can work,buf rx_handles can not ,it err_code is 0x08 or 0x3401 or 3003,how can i do?
below is my code:
a. first i init the service like below
uint32_t ble_PM50030_init(ble_nus_t * p_nus, ble_nus_init_t const * p_nus_init)
{
ret_code_t err_code;
ble_uuid_t ble_uuid;
ble_uuid128_t nus_base_uuid = PM5_BASE_UUID;
ble_add_char_params_t add_char_params;
VERIFY_PARAM_NOT_NULL(p_nus);
VERIFY_PARAM_NOT_NULL(p_nus_init);
// Initialize the service structure.
p_nus->data_handler = p_nus_init->data_handler;
/**@snippet [Adding proprietary Service to the SoftDevice] */
// Add a custom base UUID.
err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_nus->uuid_type);
VERIFY_SUCCESS(err_code);
ble_uuid.type = p_nus->uuid_type;
ble_uuid.uuid = BLE_UUID_0030_SERVICE;
// Add the service.
err_code = sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
&ble_uuid,
&p_nus->service_handle);
/**@snippet [Adding proprietary Service to the SoftDevice] */
VERIFY_SUCCESS(err_code);
// Add the TX Characteristic.
/**@snippet [Adding proprietary characteristic to the SoftDevice] */
memset(&add_char_params, 0, sizeof(add_char_params));
add_char_params.uuid = BLE_UUID_31_TX_CHARACTERISTIC;
add_char_params.uuid_type = p_nus->uuid_type;
add_char_params.max_len = 19;
add_char_params.init_len = 19;
add_char_params.is_var_len = true;
add_char_params.char_props.notify = 1;
add_char_params.read_access = SEC_OPEN;
add_char_params.write_access = SEC_OPEN;
add_char_params.cccd_write_access = SEC_OPEN;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->tx_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_32_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &p_nus->rx_handles);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
#if 0
add_char_params.uuid = BLE_UUID_33_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0033_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_34_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0034_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_35_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0035_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_36_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0036_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_37_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0037_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_38_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0038_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_39_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0039_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3A_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003A_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3B_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003B_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3C_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003C_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3D_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003D_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3E_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003E_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_3F_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_003F_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_40_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0040_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
add_char_params.uuid = BLE_UUID_41_TX_CHARACTERISTIC;
err_code = characteristic_add(p_nus->service_handle, &add_char_params, &Character_0041_handle);
if (err_code != NRF_SUCCESS)
{
return err_code;
}
#endif
}
uint32_t ble_PM50030_data_send(ble_nus_t * p_nus,
uint8_t * p_data,
uint16_t * p_length,
uint16_t conn_handle)
{
ret_code_t err_code;
ble_gatts_hvx_params_t hvx_params;
ble_nus_client_context_t * p_client;
VERIFY_PARAM_NOT_NULL(p_nus);
err_code = blcm_link_ctx_get(p_nus->p_link_ctx_storage, conn_handle, (void *) &p_client);
VERIFY_SUCCESS(err_code);
if ((conn_handle == BLE_CONN_HANDLE_INVALID) || (p_client == NULL))
{
return NRF_ERROR_NOT_FOUND;
}
if (!p_client->is_notification_enabled)
{
return NRF_ERROR_INVALID_STATE;
}
if (*p_length > BLE_NUS_MAX_DATA_LEN)
{
return NRF_ERROR_INVALID_PARAM;
}
memset(&hvx_params, 0, sizeof(hvx_params));
hvx_params.handle = p_nus->tx_handles.value_handle;
hvx_params.p_data = p_data;
hvx_params.p_len = p_length;
hvx_params.type = BLE_GATT_HVX_NOTIFICATION;
return sd_ble_gatts_hvx(conn_handle, &hvx_params);
}
2.second ,the phone turn on the notify ,and device send notify like below
static void user_delay_timeout_handler(void * p_context)
{
uint32_t err_code;
u16 length=0;
if(char31_notify_en == BLE_NUS_EVT_COMM_STARTED)
{
length = sizeof(C2_rowing_general_status);
err_code = ble_PM50030_data_send(&m_PM50030,(u8*)&C2_rowing_general_status,&length,m_conn_handle);
NRF_LOG_INFO("ble_PM50030_data_send err_code=%x\n",err_code);
}
if(char32_notify_en == BLE_NUS_EVT_COMM_STARTED)
{
length = sizeof(C2_rowing_additional_status_1);
err_code = ble_PM50030_data_send(&m_PM50030,(u8*)&C2_rowing_additional_status_1,&length,m_conn_handle);
NRF_LOG_INFO("ble_PM50030_data_send err_code=%x\n",err_code);
}
}
void user_timer(void)
{
ret_code_t err_code;
err_code = app_timer_create(&user_detection_delay_timer_id,APP_TIMER_MODE_REPEATED,user_delay_timeout_handler);
if (err_code != NRF_SUCCESS)
{
NRF_LOG_INFO("retcode2=%d\n",err_code);
}
uint32_t ret = app_timer_start(user_detection_delay_timer_id, 32768, NULL);
if (err_code != NRF_SUCCESS)
{
NRF_LOG_INFO("retcode2=%d\n",err_code);
}
}
