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Dependencies: BLE_API mbed nRF51822
Fork of BLE_Button by
main.cpp@11:d9749dc3653d, 2016-08-26 (annotated)
- Committer:
- jahatch
- Date:
- Fri Aug 26 17:56:08 2016 +0000
- Revision:
- 11:d9749dc3653d
- Parent:
- 10:7943b5c1117a
dg
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
rgrover1 | 0:28f095301cb2 | 1 | /* mbed Microcontroller Library |
rgrover1 | 0:28f095301cb2 | 2 | * Copyright (c) 2006-2013 ARM Limited |
rgrover1 | 0:28f095301cb2 | 3 | * |
rgrover1 | 0:28f095301cb2 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
rgrover1 | 0:28f095301cb2 | 5 | * you may not use this file except in compliance with the License. |
rgrover1 | 0:28f095301cb2 | 6 | * You may obtain a copy of the License at |
rgrover1 | 0:28f095301cb2 | 7 | * |
rgrover1 | 0:28f095301cb2 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
rgrover1 | 0:28f095301cb2 | 9 | * |
rgrover1 | 0:28f095301cb2 | 10 | * Unless required by applicable law or agreed to in writing, software |
rgrover1 | 0:28f095301cb2 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
rgrover1 | 0:28f095301cb2 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
rgrover1 | 0:28f095301cb2 | 13 | * See the License for the specific language governing permissions and |
rgrover1 | 0:28f095301cb2 | 14 | * limitations under the License. |
rgrover1 | 0:28f095301cb2 | 15 | */ |
rgrover1 | 0:28f095301cb2 | 16 | |
rgrover1 | 0:28f095301cb2 | 17 | #include "mbed.h" |
andresag | 10:7943b5c1117a | 18 | #include "ble/BLE.h" |
rgrover1 | 0:28f095301cb2 | 19 | #include "ButtonService.h" |
rgrover1 | 0:28f095301cb2 | 20 | |
rgrover1 | 0:28f095301cb2 | 21 | DigitalOut led1(LED1); |
rgrover1 | 0:28f095301cb2 | 22 | InterruptIn button(BUTTON1); |
rgrover1 | 0:28f095301cb2 | 23 | |
jahatch | 11:d9749dc3653d | 24 | Serial pc(p16, p15); |
jahatch | 11:d9749dc3653d | 25 | |
rgrover1 | 0:28f095301cb2 | 26 | const static char DEVICE_NAME[] = "Button"; |
rgrover1 | 0:28f095301cb2 | 27 | static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID}; |
rgrover1 | 0:28f095301cb2 | 28 | |
rgrover1 | 9:0f6951db24f1 | 29 | enum { |
rgrover1 | 9:0f6951db24f1 | 30 | RELEASED = 0, |
rgrover1 | 9:0f6951db24f1 | 31 | PRESSED, |
rgrover1 | 9:0f6951db24f1 | 32 | IDLE |
rgrover1 | 9:0f6951db24f1 | 33 | }; |
rgrover1 | 9:0f6951db24f1 | 34 | static uint8_t buttonState = IDLE; |
rgrover1 | 9:0f6951db24f1 | 35 | |
andresag | 10:7943b5c1117a | 36 | static ButtonService *buttonServicePtr; |
rgrover1 | 0:28f095301cb2 | 37 | |
rgrover1 | 0:28f095301cb2 | 38 | void buttonPressedCallback(void) |
rgrover1 | 0:28f095301cb2 | 39 | { |
rgrover1 | 9:0f6951db24f1 | 40 | /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access |
rgrover1 | 9:0f6951db24f1 | 41 | * BLE device API from the main thread. */ |
rgrover1 | 9:0f6951db24f1 | 42 | buttonState = PRESSED; |
rgrover1 | 0:28f095301cb2 | 43 | } |
rgrover1 | 0:28f095301cb2 | 44 | |
rgrover1 | 0:28f095301cb2 | 45 | void buttonReleasedCallback(void) |
rgrover1 | 0:28f095301cb2 | 46 | { |
rgrover1 | 9:0f6951db24f1 | 47 | /* Note that the buttonReleasedCallback() executes in interrupt context, so it is safer to access |
rgrover1 | 9:0f6951db24f1 | 48 | * BLE device API from the main thread. */ |
rgrover1 | 9:0f6951db24f1 | 49 | buttonState = RELEASED; |
rgrover1 | 0:28f095301cb2 | 50 | } |
rgrover1 | 0:28f095301cb2 | 51 | |
rgrover1 | 8:a7ba7aaba460 | 52 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
rgrover1 | 0:28f095301cb2 | 53 | { |
andresag | 10:7943b5c1117a | 54 | BLE::Instance().gap().startAdvertising(); |
rgrover1 | 0:28f095301cb2 | 55 | } |
rgrover1 | 0:28f095301cb2 | 56 | |
rgrover1 | 0:28f095301cb2 | 57 | void periodicCallback(void) |
rgrover1 | 0:28f095301cb2 | 58 | { |
rgrover1 | 0:28f095301cb2 | 59 | led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ |
rgrover1 | 0:28f095301cb2 | 60 | } |
rgrover1 | 0:28f095301cb2 | 61 | |
andresag | 10:7943b5c1117a | 62 | /** |
andresag | 10:7943b5c1117a | 63 | * This function is called when the ble initialization process has failled |
andresag | 10:7943b5c1117a | 64 | */ |
andresag | 10:7943b5c1117a | 65 | void onBleInitError(BLE &ble, ble_error_t error) |
andresag | 10:7943b5c1117a | 66 | { |
andresag | 10:7943b5c1117a | 67 | /* Initialization error handling should go here */ |
andresag | 10:7943b5c1117a | 68 | } |
andresag | 10:7943b5c1117a | 69 | |
andresag | 10:7943b5c1117a | 70 | /** |
andresag | 10:7943b5c1117a | 71 | * Callback triggered when the ble initialization process has finished |
andresag | 10:7943b5c1117a | 72 | */ |
andresag | 10:7943b5c1117a | 73 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
andresag | 10:7943b5c1117a | 74 | { |
andresag | 10:7943b5c1117a | 75 | BLE& ble = params->ble; |
andresag | 10:7943b5c1117a | 76 | ble_error_t error = params->error; |
andresag | 10:7943b5c1117a | 77 | |
andresag | 10:7943b5c1117a | 78 | if (error != BLE_ERROR_NONE) { |
andresag | 10:7943b5c1117a | 79 | /* In case of error, forward the error handling to onBleInitError */ |
andresag | 10:7943b5c1117a | 80 | onBleInitError(ble, error); |
andresag | 10:7943b5c1117a | 81 | return; |
andresag | 10:7943b5c1117a | 82 | } |
andresag | 10:7943b5c1117a | 83 | |
andresag | 10:7943b5c1117a | 84 | /* Ensure that it is the default instance of BLE */ |
andresag | 10:7943b5c1117a | 85 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
andresag | 10:7943b5c1117a | 86 | return; |
andresag | 10:7943b5c1117a | 87 | } |
andresag | 10:7943b5c1117a | 88 | |
andresag | 10:7943b5c1117a | 89 | ble.gap().onDisconnection(disconnectionCallback); |
andresag | 10:7943b5c1117a | 90 | |
andresag | 10:7943b5c1117a | 91 | /* Setup primary service */ |
andresag | 10:7943b5c1117a | 92 | buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */); |
andresag | 10:7943b5c1117a | 93 | |
andresag | 10:7943b5c1117a | 94 | /* setup advertising */ |
andresag | 10:7943b5c1117a | 95 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
andresag | 10:7943b5c1117a | 96 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
andresag | 10:7943b5c1117a | 97 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
andresag | 10:7943b5c1117a | 98 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
andresag | 10:7943b5c1117a | 99 | ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ |
andresag | 10:7943b5c1117a | 100 | ble.gap().startAdvertising(); |
andresag | 10:7943b5c1117a | 101 | |
andresag | 10:7943b5c1117a | 102 | } |
andresag | 10:7943b5c1117a | 103 | |
rgrover1 | 0:28f095301cb2 | 104 | int main(void) |
rgrover1 | 0:28f095301cb2 | 105 | { |
jahatch | 11:d9749dc3653d | 106 | pc.baud(9600); |
rgrover1 | 0:28f095301cb2 | 107 | led1 = 1; |
rgrover1 | 0:28f095301cb2 | 108 | Ticker ticker; |
rgrover1 | 0:28f095301cb2 | 109 | ticker.attach(periodicCallback, 1); |
rgrover1 | 0:28f095301cb2 | 110 | button.fall(buttonPressedCallback); |
rgrover1 | 0:28f095301cb2 | 111 | button.rise(buttonReleasedCallback); |
rgrover1 | 0:28f095301cb2 | 112 | |
andresag | 10:7943b5c1117a | 113 | BLE &ble = BLE::Instance(); |
andresag | 10:7943b5c1117a | 114 | ble.init(bleInitComplete); |
andresag | 10:7943b5c1117a | 115 | |
andresag | 10:7943b5c1117a | 116 | /* SpinWait for initialization to complete. This is necessary because the |
andresag | 10:7943b5c1117a | 117 | * BLE object is used in the main loop below. */ |
andresag | 10:7943b5c1117a | 118 | while (ble.hasInitialized() == false) { /* spin loop */ } |
andresag | 10:7943b5c1117a | 119 | |
rgrover1 | 0:28f095301cb2 | 120 | while (true) { |
andresag | 10:7943b5c1117a | 121 | if (buttonState != IDLE) { |
rgrover1 | 9:0f6951db24f1 | 122 | buttonServicePtr->updateButtonState(buttonState); |
rgrover1 | 9:0f6951db24f1 | 123 | buttonState = IDLE; |
rgrover1 | 9:0f6951db24f1 | 124 | } |
jahatch | 11:d9749dc3653d | 125 | |
jahatch | 11:d9749dc3653d | 126 | pc.printf("Hello World"); |
rgrover1 | 9:0f6951db24f1 | 127 | |
rgrover1 | 0:28f095301cb2 | 128 | ble.waitForEvent(); |
rgrover1 | 0:28f095301cb2 | 129 | } |
rgrover1 | 0:28f095301cb2 | 130 | } |