Future Electronics
/
sequana-ble-lab-base
This is a basic code to be used for Sequana BLE Lab exercises.
source/main.cpp@1:7dd41f0bd204, 2019-03-14 (annotated)
- Committer:
- lru
- Date:
- Thu Mar 14 10:00:59 2019 +0000
- Revision:
- 1:7dd41f0bd204
- Parent:
- 0:ff033dfc838b
- Child:
- 2:06e62a299a74
Modified default device name to "ChangeMe"
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lru | 0:ff033dfc838b | 1 | /* mbed Microcontroller Library |
lru | 0:ff033dfc838b | 2 | * Copyright (c) 2006-2015 ARM Limited |
lru | 0:ff033dfc838b | 3 | * Copyright (c) 2017-2019 Future Electronics |
lru | 0:ff033dfc838b | 4 | * |
lru | 0:ff033dfc838b | 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
lru | 0:ff033dfc838b | 6 | * you may not use this file except in compliance with the License. |
lru | 0:ff033dfc838b | 7 | * You may obtain a copy of the License at |
lru | 0:ff033dfc838b | 8 | * |
lru | 0:ff033dfc838b | 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
lru | 0:ff033dfc838b | 10 | * |
lru | 0:ff033dfc838b | 11 | * Unless required by applicable law or agreed to in writing, software |
lru | 0:ff033dfc838b | 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
lru | 0:ff033dfc838b | 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
lru | 0:ff033dfc838b | 14 | * See the License for the specific language governing permissions and |
lru | 0:ff033dfc838b | 15 | * limitations under the License. |
lru | 0:ff033dfc838b | 16 | */ |
lru | 0:ff033dfc838b | 17 | |
lru | 0:ff033dfc838b | 18 | #include <events/mbed_events.h> |
lru | 0:ff033dfc838b | 19 | #include <mbed.h> |
lru | 0:ff033dfc838b | 20 | #include "ble/BLE.h" |
lru | 0:ff033dfc838b | 21 | #include "pretty_printer.h" |
lru | 0:ff033dfc838b | 22 | |
lru | 0:ff033dfc838b | 23 | #include <mbed.h> |
lru | 0:ff033dfc838b | 24 | #include <vector> |
lru | 0:ff033dfc838b | 25 | #include "events/mbed_events.h" |
lru | 0:ff033dfc838b | 26 | #include "ble/BLE.h" |
lru | 0:ff033dfc838b | 27 | #include "ble/gap/Gap.h" |
lru | 0:ff033dfc838b | 28 | #include "SequanaPrimaryService.h" |
lru | 0:ff033dfc838b | 29 | #include "Kx64.h" |
lru | 0:ff033dfc838b | 30 | |
lru | 0:ff033dfc838b | 31 | using namespace sequana; |
lru | 0:ff033dfc838b | 32 | |
lru | 1:7dd41f0bd204 | 33 | const static char DEVICE_NAME[] = "ChangeMe"; |
lru | 0:ff033dfc838b | 34 | |
lru | 0:ff033dfc838b | 35 | static sequana::PrimaryService *sequana_service_ptr; |
lru | 0:ff033dfc838b | 36 | |
lru | 0:ff033dfc838b | 37 | static EventQueue event_queue(/* event count */ 64 * EVENTS_EVENT_SIZE); |
lru | 0:ff033dfc838b | 38 | |
lru | 0:ff033dfc838b | 39 | /* Buses and I/O */ |
lru | 0:ff033dfc838b | 40 | SPI spi1(SPI_MOSI, SPI_MISO, SPI_CLK); |
lru | 0:ff033dfc838b | 41 | |
lru | 0:ff033dfc838b | 42 | /* Sensor declarations */ |
lru | 0:ff033dfc838b | 43 | Kx64Sensor kx64(spi1, P9_5); |
lru | 0:ff033dfc838b | 44 | |
lru | 0:ff033dfc838b | 45 | class SequanaDemo : ble::Gap::EventHandler { |
lru | 0:ff033dfc838b | 46 | public: |
lru | 0:ff033dfc838b | 47 | SequanaDemo(BLE &ble, events::EventQueue &event_queue, sequana::PrimaryService& primary_service) : |
lru | 0:ff033dfc838b | 48 | _ble(ble), |
lru | 0:ff033dfc838b | 49 | _event_queue(event_queue), |
lru | 0:ff033dfc838b | 50 | _led1(LED1, 1), |
lru | 0:ff033dfc838b | 51 | _connected(false), |
lru | 0:ff033dfc838b | 52 | _primary_uuid(sequana::PrimaryService::UUID_SEQUANA_PRIMARY_SERVICE), |
lru | 0:ff033dfc838b | 53 | _primary_service(primary_service), |
lru | 0:ff033dfc838b | 54 | _adv_data_builder(_adv_buffer) { } |
lru | 0:ff033dfc838b | 55 | |
lru | 0:ff033dfc838b | 56 | void start() { |
lru | 0:ff033dfc838b | 57 | _ble.gap().setEventHandler(this); |
lru | 0:ff033dfc838b | 58 | |
lru | 0:ff033dfc838b | 59 | _ble.init(this, &SequanaDemo::on_init_complete); |
lru | 0:ff033dfc838b | 60 | } |
lru | 0:ff033dfc838b | 61 | |
lru | 0:ff033dfc838b | 62 | private: |
lru | 0:ff033dfc838b | 63 | /** Callback triggered when the ble initialization process has finished */ |
lru | 0:ff033dfc838b | 64 | void on_init_complete(BLE::InitializationCompleteCallbackContext *params) { |
lru | 0:ff033dfc838b | 65 | if (params->error != BLE_ERROR_NONE) { |
lru | 0:ff033dfc838b | 66 | printf("BLE initialization failed\n"); |
lru | 0:ff033dfc838b | 67 | return; |
lru | 0:ff033dfc838b | 68 | } |
lru | 0:ff033dfc838b | 69 | |
lru | 0:ff033dfc838b | 70 | print_mac_address(); |
lru | 0:ff033dfc838b | 71 | |
lru | 0:ff033dfc838b | 72 | _event_queue.call_every(500, this, &SequanaDemo::blink); |
lru | 0:ff033dfc838b | 73 | |
lru | 0:ff033dfc838b | 74 | start_advertising(); |
lru | 0:ff033dfc838b | 75 | } |
lru | 0:ff033dfc838b | 76 | |
lru | 0:ff033dfc838b | 77 | void start_advertising() { |
lru | 0:ff033dfc838b | 78 | /* Create advertising parameters and payload */ |
lru | 0:ff033dfc838b | 79 | |
lru | 0:ff033dfc838b | 80 | ble::AdvertisingParameters adv_parameters( |
lru | 0:ff033dfc838b | 81 | ble::advertising_type_t::CONNECTABLE_UNDIRECTED, |
lru | 0:ff033dfc838b | 82 | ble::adv_interval_t(ble::millisecond_t(1000)) |
lru | 0:ff033dfc838b | 83 | ); |
lru | 0:ff033dfc838b | 84 | |
lru | 0:ff033dfc838b | 85 | _adv_data_builder.setFlags(); |
lru | 0:ff033dfc838b | 86 | _adv_data_builder.setLocalServiceList(mbed::make_Span(&_primary_uuid, 1)); |
lru | 0:ff033dfc838b | 87 | _adv_data_builder.setName(DEVICE_NAME); |
lru | 0:ff033dfc838b | 88 | |
lru | 0:ff033dfc838b | 89 | /* Setup advertising */ |
lru | 0:ff033dfc838b | 90 | |
lru | 0:ff033dfc838b | 91 | ble_error_t error = _ble.gap().setAdvertisingParameters( |
lru | 0:ff033dfc838b | 92 | ble::LEGACY_ADVERTISING_HANDLE, |
lru | 0:ff033dfc838b | 93 | adv_parameters |
lru | 0:ff033dfc838b | 94 | ); |
lru | 0:ff033dfc838b | 95 | |
lru | 0:ff033dfc838b | 96 | if (error) { |
lru | 0:ff033dfc838b | 97 | printf("_ble.gap().setAdvertisingParameters() failed\n"); |
lru | 0:ff033dfc838b | 98 | return; |
lru | 0:ff033dfc838b | 99 | } |
lru | 0:ff033dfc838b | 100 | |
lru | 0:ff033dfc838b | 101 | error = _ble.gap().setAdvertisingPayload( |
lru | 0:ff033dfc838b | 102 | ble::LEGACY_ADVERTISING_HANDLE, |
lru | 0:ff033dfc838b | 103 | _adv_data_builder.getAdvertisingData() |
lru | 0:ff033dfc838b | 104 | ); |
lru | 0:ff033dfc838b | 105 | |
lru | 0:ff033dfc838b | 106 | if (error) { |
lru | 0:ff033dfc838b | 107 | printf("_ble.gap().setAdvertisingPayload() failed\n"); |
lru | 0:ff033dfc838b | 108 | return; |
lru | 0:ff033dfc838b | 109 | } |
lru | 0:ff033dfc838b | 110 | |
lru | 0:ff033dfc838b | 111 | /* Start advertising */ |
lru | 0:ff033dfc838b | 112 | |
lru | 0:ff033dfc838b | 113 | error = _ble.gap().startAdvertising(ble::LEGACY_ADVERTISING_HANDLE); |
lru | 0:ff033dfc838b | 114 | |
lru | 0:ff033dfc838b | 115 | if (error) { |
lru | 0:ff033dfc838b | 116 | printf("_ble.gap().startAdvertising() failed\n"); |
lru | 0:ff033dfc838b | 117 | return; |
lru | 0:ff033dfc838b | 118 | } |
lru | 0:ff033dfc838b | 119 | } |
lru | 0:ff033dfc838b | 120 | |
lru | 0:ff033dfc838b | 121 | void blink(void) { |
lru | 0:ff033dfc838b | 122 | /* LED will be on when a client is connected or will blink while advertising */ |
lru | 0:ff033dfc838b | 123 | if (_connected) { |
lru | 0:ff033dfc838b | 124 | _led1 = 1; |
lru | 0:ff033dfc838b | 125 | } else { |
lru | 0:ff033dfc838b | 126 | _led1 = !_led1; |
lru | 0:ff033dfc838b | 127 | } |
lru | 0:ff033dfc838b | 128 | } |
lru | 0:ff033dfc838b | 129 | |
lru | 0:ff033dfc838b | 130 | private: |
lru | 0:ff033dfc838b | 131 | /* Event handler */ |
lru | 0:ff033dfc838b | 132 | |
lru | 0:ff033dfc838b | 133 | void onDisconnectionComplete(const ble::DisconnectionCompleteEvent&) { |
lru | 0:ff033dfc838b | 134 | _ble.gap().startAdvertising(ble::LEGACY_ADVERTISING_HANDLE); |
lru | 0:ff033dfc838b | 135 | _connected = false; |
lru | 0:ff033dfc838b | 136 | } |
lru | 0:ff033dfc838b | 137 | |
lru | 0:ff033dfc838b | 138 | virtual void onConnectionComplete(const ble::ConnectionCompleteEvent &event) { |
lru | 0:ff033dfc838b | 139 | if (event.getStatus() == BLE_ERROR_NONE) { |
lru | 0:ff033dfc838b | 140 | _connected = true; |
lru | 0:ff033dfc838b | 141 | } |
lru | 0:ff033dfc838b | 142 | } |
lru | 0:ff033dfc838b | 143 | |
lru | 0:ff033dfc838b | 144 | private: |
lru | 0:ff033dfc838b | 145 | BLE &_ble; |
lru | 0:ff033dfc838b | 146 | events::EventQueue &_event_queue; |
lru | 0:ff033dfc838b | 147 | DigitalOut _led1; |
lru | 0:ff033dfc838b | 148 | bool _connected; |
lru | 0:ff033dfc838b | 149 | UUID _primary_uuid; |
lru | 0:ff033dfc838b | 150 | sequana::PrimaryService &_primary_service; |
lru | 0:ff033dfc838b | 151 | uint8_t _adv_buffer[ble::LEGACY_ADVERTISING_MAX_SIZE]; |
lru | 0:ff033dfc838b | 152 | ble::AdvertisingDataBuilder _adv_data_builder; |
lru | 0:ff033dfc838b | 153 | }; |
lru | 0:ff033dfc838b | 154 | |
lru | 0:ff033dfc838b | 155 | |
lru | 0:ff033dfc838b | 156 | /** Schedule processing of events from the BLE middleware in the event queue. */ |
lru | 0:ff033dfc838b | 157 | void schedule_ble_events(BLE::OnEventsToProcessCallbackContext *context) { |
lru | 0:ff033dfc838b | 158 | event_queue.call(Callback<void()>(&context->ble, &BLE::processEvents)); |
lru | 0:ff033dfc838b | 159 | } |
lru | 0:ff033dfc838b | 160 | |
lru | 0:ff033dfc838b | 161 | int main() |
lru | 0:ff033dfc838b | 162 | { |
lru | 0:ff033dfc838b | 163 | printf("Application processor started.\n\n"); |
lru | 0:ff033dfc838b | 164 | |
lru | 0:ff033dfc838b | 165 | /* Initialize bus(es) (placeholder) */ |
lru | 0:ff033dfc838b | 166 | spi1.frequency(1000000); |
lru | 0:ff033dfc838b | 167 | |
lru | 0:ff033dfc838b | 168 | /* Setup BLE interface */ |
lru | 0:ff033dfc838b | 169 | BLE &ble = BLE::Instance(); |
lru | 0:ff033dfc838b | 170 | ble.onEventsToProcess(schedule_ble_events); |
lru | 0:ff033dfc838b | 171 | |
lru | 0:ff033dfc838b | 172 | /* Setup primary service (placeholder). */ |
lru | 0:ff033dfc838b | 173 | sequana_service_ptr = new sequana::PrimaryService(ble, kx64); |
lru | 0:ff033dfc838b | 174 | |
lru | 0:ff033dfc838b | 175 | /* Start BLE / demo application */ |
lru | 0:ff033dfc838b | 176 | SequanaDemo demo(ble, event_queue, *sequana_service_ptr); |
lru | 0:ff033dfc838b | 177 | demo.start(); |
lru | 0:ff033dfc838b | 178 | |
lru | 0:ff033dfc838b | 179 | printf("BLE started (%s).\n\n", DEVICE_NAME); |
lru | 0:ff033dfc838b | 180 | |
lru | 0:ff033dfc838b | 181 | /* Process all events */ |
lru | 0:ff033dfc838b | 182 | event_queue.dispatch_forever(); |
lru | 0:ff033dfc838b | 183 | |
lru | 0:ff033dfc838b | 184 | return 0; |
lru | 0:ff033dfc838b | 185 | } |
lru | 0:ff033dfc838b | 186 |