Diff: nRF51822/nRF51GattServer.cpp

Revision:

2:97f1622aef50

Parent:

1:a607cd9655d7

--- a/nRF51822/nRF51GattServer.cpp	Fri Oct 10 03:36:28 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,302 +0,0 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2006-2013 ARM Limited
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "nRF51GattServer.h"
-#include "mbed.h"
-
-#include "common/common.h"
-#include "btle/custom/custom_helper.h"
-
-#include "nRF51Gap.h"
-
-/**************************************************************************/
-/*!
-    @brief  Adds a new service to the GATT table on the peripheral
-
-    @returns    ble_error_t
-
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51GattServer::addService(GattService &service)
-{
-    /* ToDo: Make sure we don't overflow the array, etc. */
-    /* ToDo: Make sure this service UUID doesn't already exist (?) */
-    /* ToDo: Basic validation */
-
-    /* Add the service to the nRF51 */
-    ble_uuid_t nordicUUID;
-    nordicUUID = custom_convert_to_nordic_uuid(service.getUUID());
-
-    uint16_t serviceHandle;
-    ASSERT( ERROR_NONE ==
-            sd_ble_gatts_service_add(BLE_GATTS_SRVC_TYPE_PRIMARY,
-                                     &nordicUUID,
-                                     &serviceHandle),
-            BLE_ERROR_PARAM_OUT_OF_RANGE );
-    service.setHandle(serviceHandle);
-
-    /* Add characteristics to the service */
-    for (uint8_t i = 0; i < service.getCharacteristicCount(); i++) {
-        GattCharacteristic *p_char = service.getCharacteristic(i);
-
-        /* Skip any incompletely defined, read-only characteristics. */
-        if ((p_char->getValueAttribute().getValuePtr() == NULL) &&
-            (p_char->getValueAttribute().getInitialLength() == 0) &&
-            (p_char->getProperties() == GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ)) {
-            continue;
-        }
-
-        nordicUUID = custom_convert_to_nordic_uuid(p_char->getValueAttribute().getUUID());
-
-        ASSERT ( ERROR_NONE ==
-                 custom_add_in_characteristic(BLE_GATT_HANDLE_INVALID,
-                                              &nordicUUID,
-                                              p_char->getProperties(),
-                                              p_char->getValueAttribute().getValuePtr(),
-                                              p_char->getValueAttribute().getInitialLength(),
-                                              p_char->getValueAttribute().getMaxLength(),
-                                              &nrfCharacteristicHandles[characteristicCount]),
-                 BLE_ERROR_PARAM_OUT_OF_RANGE );
-
-        /* Update the characteristic handle */
-        uint16_t charHandle = characteristicCount;
-        p_characteristics[characteristicCount++] = p_char;
-
-        p_char->getValueAttribute().setHandle(charHandle);
-
-        /* Add optional descriptors if any */
-        /* ToDo: Make sure we don't overflow the array */
-        for (uint8_t j = 0; j < p_char->getDescriptorCount(); j++) {
-             GattAttribute *p_desc = p_char->getDescriptor(j);
-
-             nordicUUID = custom_convert_to_nordic_uuid(p_desc->getUUID());
-
-             ASSERT ( ERROR_NONE ==
-                      custom_add_in_descriptor(BLE_GATT_HANDLE_INVALID,
-                                               &nordicUUID,
-                                               p_desc->getValuePtr(),
-                                               p_desc->getInitialLength(),
-                                               p_desc->getMaxLength(),
-                                               &nrfDescriptorHandles[descriptorCount]),
-                 BLE_ERROR_PARAM_OUT_OF_RANGE );
-
-            uint16_t descHandle = descriptorCount;
-            p_descriptors[descriptorCount++] = p_desc;
-            p_desc->setHandle(descHandle);
-        }
-    }
-
-    serviceCount++;
-
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Reads the value of a characteristic, based on the service
-            and characteristic index fields
-
-    @param[in]  charHandle
-                The handle of the GattCharacteristic to read from
-    @param[in]  buffer
-                Buffer to hold the the characteristic's value
-                (raw byte array in LSB format)
-    @param[in]  len
-                The number of bytes read into the buffer
-
-    @returns    ble_error_t
-
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51GattServer::readValue(uint16_t charHandle, uint8_t buffer[], uint16_t *const lengthP)
-{
-    ASSERT( ERROR_NONE ==
-            sd_ble_gatts_value_get(nrfCharacteristicHandles[charHandle].value_handle, 0, lengthP, buffer),
-            BLE_ERROR_PARAM_OUT_OF_RANGE);
-
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Updates the value of a characteristic, based on the service
-            and characteristic index fields
-
-    @param[in]  charHandle
-                The handle of the GattCharacteristic to write to
-    @param[in]  buffer
-                Data to use when updating the characteristic's value
-                (raw byte array in LSB format)
-    @param[in]  len
-                The number of bytes in buffer
-
-    @returns    ble_error_t
-
-    @retval     BLE_ERROR_NONE
-                Everything executed properly
-
-    @section EXAMPLE
-
-    @code
-
-    @endcode
-*/
-/**************************************************************************/
-ble_error_t nRF51GattServer::updateValue(uint16_t charHandle, uint8_t buffer[], uint16_t len, bool localOnly)
-{
-    uint16_t gapConnectionHandle = nRF51Gap::getInstance().getConnectionHandle();
-
-    if (localOnly) {
-        /* Only update locally regardless of notify/indicate */
-        ASSERT_INT( ERROR_NONE,
-                    sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
-                    BLE_ERROR_PARAM_OUT_OF_RANGE );
-		return BLE_ERROR_NONE;
-    }
-
-    if ((p_characteristics[charHandle]->getProperties() &
-         (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE |
-          GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)) &&
-        (gapConnectionHandle != BLE_CONN_HANDLE_INVALID)) {
-        /* HVX update for the characteristic value */
-        ble_gatts_hvx_params_t hvx_params;
-
-        hvx_params.handle = nrfCharacteristicHandles[charHandle].value_handle;
-        hvx_params.type   =
-            (p_characteristics[charHandle]->getProperties() &
-             GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)  ?
-            BLE_GATT_HVX_NOTIFICATION : BLE_GATT_HVX_INDICATION;
-        hvx_params.offset = 0;
-        hvx_params.p_data = buffer;
-        hvx_params.p_len  = &len;
-
-        error_t error = (error_t) sd_ble_gatts_hvx(gapConnectionHandle, &hvx_params);
-
-        /* ERROR_INVALID_STATE, ERROR_BUSY, ERROR_GATTS_SYS_ATTR_MISSING and
-         *ERROR_NO_TX_BUFFERS the ATT table has been updated. */
-        if ((error != ERROR_NONE) && (error != ERROR_INVALID_STATE) &&
-                (error != ERROR_BLE_NO_TX_BUFFERS) && (error != ERROR_BUSY) &&
-                (error != ERROR_BLEGATTS_SYS_ATTR_MISSING)) {
-            ASSERT_INT( ERROR_NONE,
-                        sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
-                        BLE_ERROR_PARAM_OUT_OF_RANGE );
-        }
-    } else {
-        ASSERT_INT( ERROR_NONE,
-                    sd_ble_gatts_value_set(nrfCharacteristicHandles[charHandle].value_handle, 0, &len, buffer),
-                    BLE_ERROR_PARAM_OUT_OF_RANGE );
-    }
-
-    return BLE_ERROR_NONE;
-}
-
-/**************************************************************************/
-/*!
-    @brief  Callback handler for events getting pushed up from the SD
-*/
-/**************************************************************************/
-void nRF51GattServer::hwCallback(ble_evt_t *p_ble_evt)
-{
-    uint16_t                       handle_value;
-    GattServerEvents::gattEvent_t  eventType;
-    const ble_gatts_evt_t         *gattsEventP = &p_ble_evt->evt.gatts_evt;
-
-    switch (p_ble_evt->header.evt_id) {
-        case BLE_GATTS_EVT_WRITE:
-            /* There are 2 use case here: Values being updated & CCCD (indicate/notify) enabled */
-
-            /* 1.) Handle CCCD changes */
-            handle_value = gattsEventP->params.write.handle;
-            for (uint8_t i = 0; i<characteristicCount; i++) {
-                if ((p_characteristics[i]->getProperties() & (GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY)) &&
-                    (nrfCharacteristicHandles[i].cccd_handle == handle_value)) {
-                    uint16_t cccd_value =
-                        (gattsEventP->params.write.data[1] << 8) |
-                        gattsEventP->params.write.data[0]; /* Little Endian but M0 may be mis-aligned */
-
-                    if (((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_INDICATE) && (cccd_value & BLE_GATT_HVX_INDICATION)) ||
-                        ((p_characteristics[i]->getProperties() & GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) && (cccd_value & BLE_GATT_HVX_NOTIFICATION))) {
-                        eventType = GattServerEvents::GATT_EVENT_UPDATES_ENABLED;
-                    } else {
-                        eventType = GattServerEvents::GATT_EVENT_UPDATES_DISABLED;
-                    }
-
-                    handleEvent(eventType, i);
-                    return;
-                }
-            }
-
-            /* 2.) Changes to the characteristic value will be handled with other events below */
-            eventType = GattServerEvents::GATT_EVENT_DATA_WRITTEN;
-            break;
-
-        case BLE_GATTS_EVT_HVC:
-            /* Indication confirmation received */
-            eventType    = GattServerEvents::GATT_EVENT_CONFIRMATION_RECEIVED;
-            handle_value = gattsEventP->params.hvc.handle;
-            break;
-
-        case BLE_EVT_TX_COMPLETE: {
-            handleDataSentEvent(p_ble_evt->evt.common_evt.params.tx_complete.count);
-            return;
-        }
-
-        case BLE_GATTS_EVT_SYS_ATTR_MISSING:
-            sd_ble_gatts_sys_attr_set(gattsEventP->conn_handle, NULL, 0);
-            return;
-
-        default:
-            return;
-    }
-
-    /* Find index (charHandle) in the pool */
-    for (uint8_t i = 0; i<characteristicCount; i++) {
-        if (nrfCharacteristicHandles[i].value_handle == handle_value) {
-            switch (eventType) {
-                case GattServerEvents::GATT_EVENT_DATA_WRITTEN: {
-                    GattCharacteristicWriteCBParams cbParams = {
-                        .charHandle = i,
-                        .op     = static_cast<GattCharacteristicWriteCBParams::Type>(gattsEventP->params.write.op),
-                        .offset = gattsEventP->params.write.offset,
-                        .len    = gattsEventP->params.write.len,
-                        .data   = gattsEventP->params.write.data
-                    };
-                    handleDataWrittenEvent(&cbParams);
-                    break;
-                }
-                default:
-                    handleEvent(eventType, i);
-                    break;
-            }
-        }
-    }
-}