DiscoveredCharacteristic.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #include "ble/DiscoveredCharacteristic.h"
00018 #include "ble/GattClient.h"
00019 
00020 ble_error_t
00021 DiscoveredCharacteristic::read(uint16_t offset) const
00022 {
00023     if (!props.read()) {
00024         return BLE_ERROR_OPERATION_NOT_PERMITTED;
00025     }
00026 
00027     if (!gattc) {
00028         return BLE_ERROR_INVALID_STATE;
00029     }
00030 
00031     return gattc->read(connHandle, valueHandle, offset);
00032 }
00033 
00034 ble_error_t
00035 DiscoveredCharacteristic::write(uint16_t length, const uint8_t *value) const
00036 {
00037     if (!props.write()) {
00038         return BLE_ERROR_OPERATION_NOT_PERMITTED;
00039     }
00040 
00041     if (!gattc) {
00042         return BLE_ERROR_INVALID_STATE;
00043     }
00044 
00045     return gattc->write(GattClient::GATT_OP_WRITE_REQ, connHandle, valueHandle, length, value);
00046 }
00047 
00048 ble_error_t
00049 DiscoveredCharacteristic::writeWoResponse(uint16_t length, const uint8_t *value) const
00050 {
00051     if (!props.writeWoResp()) {
00052         return BLE_ERROR_OPERATION_NOT_PERMITTED;
00053     }
00054 
00055     if (!gattc) {
00056         return BLE_ERROR_INVALID_STATE;
00057     }
00058 
00059     return gattc->write(GattClient::GATT_OP_WRITE_CMD, connHandle, valueHandle, length, value);
00060 }
00061 
00062 ble_error_t
00063 DiscoveredCharacteristic::discoverDescriptors(DescriptorCallback_t callback, const UUID &matchingUUID) const
00064 {
00065     return BLE_ERROR_NOT_IMPLEMENTED; /* TODO: this needs to be filled in. */
00066 }