Test
Dependencies: BLE_API mbed nRF51822
main.cpp@0:21763f3c9ec5, 2017-06-12 (annotated)
- Committer:
- niklasjakob
- Date:
- Mon Jun 12 15:10:24 2017 +0000
- Revision:
- 0:21763f3c9ec5
Test
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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niklasjakob | 0:21763f3c9ec5 | 1 | /* mbed Microcontroller Library |
niklasjakob | 0:21763f3c9ec5 | 2 | * Copyright (c) 2006-2013 ARM Limited |
niklasjakob | 0:21763f3c9ec5 | 3 | * |
niklasjakob | 0:21763f3c9ec5 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
niklasjakob | 0:21763f3c9ec5 | 5 | * you may not use this file except in compliance with the License. |
niklasjakob | 0:21763f3c9ec5 | 6 | * You may obtain a copy of the License at |
niklasjakob | 0:21763f3c9ec5 | 7 | * |
niklasjakob | 0:21763f3c9ec5 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
niklasjakob | 0:21763f3c9ec5 | 9 | * |
niklasjakob | 0:21763f3c9ec5 | 10 | * Unless required by applicable law or agreed to in writing, software |
niklasjakob | 0:21763f3c9ec5 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
niklasjakob | 0:21763f3c9ec5 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
niklasjakob | 0:21763f3c9ec5 | 13 | * See the License for the specific language governing permissions and |
niklasjakob | 0:21763f3c9ec5 | 14 | * limitations under the License. |
niklasjakob | 0:21763f3c9ec5 | 15 | */ |
niklasjakob | 0:21763f3c9ec5 | 16 | |
niklasjakob | 0:21763f3c9ec5 | 17 | #include "mbed.h" |
niklasjakob | 0:21763f3c9ec5 | 18 | #include "ble/BLE.h" |
niklasjakob | 0:21763f3c9ec5 | 19 | #include "ButtonService.h" |
niklasjakob | 0:21763f3c9ec5 | 20 | |
niklasjakob | 0:21763f3c9ec5 | 21 | DigitalOut led1(LED1); |
niklasjakob | 0:21763f3c9ec5 | 22 | InterruptIn button(BUTTON1); |
niklasjakob | 0:21763f3c9ec5 | 23 | |
niklasjakob | 0:21763f3c9ec5 | 24 | const static char DEVICE_NAME[] = "Dickbutt"; |
niklasjakob | 0:21763f3c9ec5 | 25 | static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID}; |
niklasjakob | 0:21763f3c9ec5 | 26 | |
niklasjakob | 0:21763f3c9ec5 | 27 | enum { |
niklasjakob | 0:21763f3c9ec5 | 28 | RELEASED = 0, |
niklasjakob | 0:21763f3c9ec5 | 29 | PRESSED, |
niklasjakob | 0:21763f3c9ec5 | 30 | IDLE |
niklasjakob | 0:21763f3c9ec5 | 31 | }; |
niklasjakob | 0:21763f3c9ec5 | 32 | static uint8_t buttonState = IDLE; |
niklasjakob | 0:21763f3c9ec5 | 33 | |
niklasjakob | 0:21763f3c9ec5 | 34 | static ButtonService *buttonServicePtr; |
niklasjakob | 0:21763f3c9ec5 | 35 | |
niklasjakob | 0:21763f3c9ec5 | 36 | void buttonPressedCallback(void) |
niklasjakob | 0:21763f3c9ec5 | 37 | { |
niklasjakob | 0:21763f3c9ec5 | 38 | /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access |
niklasjakob | 0:21763f3c9ec5 | 39 | * BLE device API from the main thread. */ |
niklasjakob | 0:21763f3c9ec5 | 40 | buttonState = PRESSED; |
niklasjakob | 0:21763f3c9ec5 | 41 | } |
niklasjakob | 0:21763f3c9ec5 | 42 | |
niklasjakob | 0:21763f3c9ec5 | 43 | void buttonReleasedCallback(void) |
niklasjakob | 0:21763f3c9ec5 | 44 | { |
niklasjakob | 0:21763f3c9ec5 | 45 | /* Note that the buttonReleasedCallback() executes in interrupt context, so it is safer to access |
niklasjakob | 0:21763f3c9ec5 | 46 | * BLE device API from the main thread. */ |
niklasjakob | 0:21763f3c9ec5 | 47 | buttonState = RELEASED; |
niklasjakob | 0:21763f3c9ec5 | 48 | } |
niklasjakob | 0:21763f3c9ec5 | 49 | |
niklasjakob | 0:21763f3c9ec5 | 50 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
niklasjakob | 0:21763f3c9ec5 | 51 | { |
niklasjakob | 0:21763f3c9ec5 | 52 | BLE::Instance().gap().startAdvertising(); |
niklasjakob | 0:21763f3c9ec5 | 53 | } |
niklasjakob | 0:21763f3c9ec5 | 54 | |
niklasjakob | 0:21763f3c9ec5 | 55 | void periodicCallback(void) |
niklasjakob | 0:21763f3c9ec5 | 56 | { |
niklasjakob | 0:21763f3c9ec5 | 57 | led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ |
niklasjakob | 0:21763f3c9ec5 | 58 | } |
niklasjakob | 0:21763f3c9ec5 | 59 | |
niklasjakob | 0:21763f3c9ec5 | 60 | /** |
niklasjakob | 0:21763f3c9ec5 | 61 | * This function is called when the ble initialization process has failled |
niklasjakob | 0:21763f3c9ec5 | 62 | */ |
niklasjakob | 0:21763f3c9ec5 | 63 | void onBleInitError(BLE &ble, ble_error_t error) |
niklasjakob | 0:21763f3c9ec5 | 64 | { |
niklasjakob | 0:21763f3c9ec5 | 65 | /* Initialization error handling should go here */ |
niklasjakob | 0:21763f3c9ec5 | 66 | } |
niklasjakob | 0:21763f3c9ec5 | 67 | |
niklasjakob | 0:21763f3c9ec5 | 68 | /** |
niklasjakob | 0:21763f3c9ec5 | 69 | * Callback triggered when the ble initialization process has finished |
niklasjakob | 0:21763f3c9ec5 | 70 | */ |
niklasjakob | 0:21763f3c9ec5 | 71 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
niklasjakob | 0:21763f3c9ec5 | 72 | { |
niklasjakob | 0:21763f3c9ec5 | 73 | BLE& ble = params->ble; |
niklasjakob | 0:21763f3c9ec5 | 74 | ble_error_t error = params->error; |
niklasjakob | 0:21763f3c9ec5 | 75 | |
niklasjakob | 0:21763f3c9ec5 | 76 | if (error != BLE_ERROR_NONE) { |
niklasjakob | 0:21763f3c9ec5 | 77 | /* In case of error, forward the error handling to onBleInitError */ |
niklasjakob | 0:21763f3c9ec5 | 78 | onBleInitError(ble, error); |
niklasjakob | 0:21763f3c9ec5 | 79 | return; |
niklasjakob | 0:21763f3c9ec5 | 80 | } |
niklasjakob | 0:21763f3c9ec5 | 81 | |
niklasjakob | 0:21763f3c9ec5 | 82 | /* Ensure that it is the default instance of BLE */ |
niklasjakob | 0:21763f3c9ec5 | 83 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
niklasjakob | 0:21763f3c9ec5 | 84 | return; |
niklasjakob | 0:21763f3c9ec5 | 85 | } |
niklasjakob | 0:21763f3c9ec5 | 86 | |
niklasjakob | 0:21763f3c9ec5 | 87 | ble.gap().onDisconnection(disconnectionCallback); |
niklasjakob | 0:21763f3c9ec5 | 88 | |
niklasjakob | 0:21763f3c9ec5 | 89 | /* Setup primary service */ |
niklasjakob | 0:21763f3c9ec5 | 90 | buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */); |
niklasjakob | 0:21763f3c9ec5 | 91 | |
niklasjakob | 0:21763f3c9ec5 | 92 | /* setup advertising */ |
niklasjakob | 0:21763f3c9ec5 | 93 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
niklasjakob | 0:21763f3c9ec5 | 94 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
niklasjakob | 0:21763f3c9ec5 | 95 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
niklasjakob | 0:21763f3c9ec5 | 96 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
niklasjakob | 0:21763f3c9ec5 | 97 | ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ |
niklasjakob | 0:21763f3c9ec5 | 98 | ble.gap().startAdvertising(); |
niklasjakob | 0:21763f3c9ec5 | 99 | |
niklasjakob | 0:21763f3c9ec5 | 100 | } |
niklasjakob | 0:21763f3c9ec5 | 101 | |
niklasjakob | 0:21763f3c9ec5 | 102 | int main(void) |
niklasjakob | 0:21763f3c9ec5 | 103 | { |
niklasjakob | 0:21763f3c9ec5 | 104 | led1 = 1; |
niklasjakob | 0:21763f3c9ec5 | 105 | Ticker ticker; |
niklasjakob | 0:21763f3c9ec5 | 106 | ticker.attach(periodicCallback, 1); |
niklasjakob | 0:21763f3c9ec5 | 107 | button.fall(buttonPressedCallback); |
niklasjakob | 0:21763f3c9ec5 | 108 | button.rise(buttonReleasedCallback); |
niklasjakob | 0:21763f3c9ec5 | 109 | |
niklasjakob | 0:21763f3c9ec5 | 110 | BLE &ble = BLE::Instance(); |
niklasjakob | 0:21763f3c9ec5 | 111 | ble.init(bleInitComplete); |
niklasjakob | 0:21763f3c9ec5 | 112 | |
niklasjakob | 0:21763f3c9ec5 | 113 | /* SpinWait for initialization to complete. This is necessary because the |
niklasjakob | 0:21763f3c9ec5 | 114 | * BLE object is used in the main loop below. */ |
niklasjakob | 0:21763f3c9ec5 | 115 | while (ble.hasInitialized() == false) { /* spin loop */ } |
niklasjakob | 0:21763f3c9ec5 | 116 | |
niklasjakob | 0:21763f3c9ec5 | 117 | while (true) { |
niklasjakob | 0:21763f3c9ec5 | 118 | if (buttonState != IDLE) { |
niklasjakob | 0:21763f3c9ec5 | 119 | buttonServicePtr->updateButtonState(buttonState); |
niklasjakob | 0:21763f3c9ec5 | 120 | buttonState = IDLE; |
niklasjakob | 0:21763f3c9ec5 | 121 | } |
niklasjakob | 0:21763f3c9ec5 | 122 | |
niklasjakob | 0:21763f3c9ec5 | 123 | ble.waitForEvent(); |
niklasjakob | 0:21763f3c9ec5 | 124 | } |
niklasjakob | 0:21763f3c9ec5 | 125 | } |