Sample BLE code using Led2 to debug
Dependencies: BLE_API mbed nRF51822
Fork of BLE_Button by
main.cpp@12:d6be80bffa01, 2016-09-01 (annotated)
- Committer:
- trvd1707
- Date:
- Thu Sep 01 17:47:24 2016 +0000
- Revision:
- 12:d6be80bffa01
- Parent:
- 11:80a9d811aab1
Adding Led2 to debug
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); |
trvd1707 | 11:80a9d811aab1 | 22 | DigitalOut led2(LED2); |
rgrover1 | 0:28f095301cb2 | 23 | InterruptIn button(BUTTON1); |
rgrover1 | 0:28f095301cb2 | 24 | |
rgrover1 | 0:28f095301cb2 | 25 | const static char DEVICE_NAME[] = "Button"; |
rgrover1 | 0:28f095301cb2 | 26 | static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID}; |
rgrover1 | 0:28f095301cb2 | 27 | |
rgrover1 | 9:0f6951db24f1 | 28 | enum { |
rgrover1 | 9:0f6951db24f1 | 29 | RELEASED = 0, |
rgrover1 | 9:0f6951db24f1 | 30 | PRESSED, |
rgrover1 | 9:0f6951db24f1 | 31 | IDLE |
rgrover1 | 9:0f6951db24f1 | 32 | }; |
rgrover1 | 9:0f6951db24f1 | 33 | static uint8_t buttonState = IDLE; |
rgrover1 | 9:0f6951db24f1 | 34 | |
andresag | 10:7943b5c1117a | 35 | static ButtonService *buttonServicePtr; |
rgrover1 | 0:28f095301cb2 | 36 | |
rgrover1 | 0:28f095301cb2 | 37 | void buttonPressedCallback(void) |
rgrover1 | 0:28f095301cb2 | 38 | { |
rgrover1 | 9:0f6951db24f1 | 39 | /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access |
rgrover1 | 9:0f6951db24f1 | 40 | * BLE device API from the main thread. */ |
rgrover1 | 9:0f6951db24f1 | 41 | buttonState = PRESSED; |
trvd1707 | 11:80a9d811aab1 | 42 | led2 = 1; |
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; |
trvd1707 | 11:80a9d811aab1 | 50 | led2 = 0; |
rgrover1 | 0:28f095301cb2 | 51 | } |
rgrover1 | 0:28f095301cb2 | 52 | |
rgrover1 | 8:a7ba7aaba460 | 53 | void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) |
rgrover1 | 0:28f095301cb2 | 54 | { |
andresag | 10:7943b5c1117a | 55 | BLE::Instance().gap().startAdvertising(); |
trvd1707 | 12:d6be80bffa01 | 56 | led2=1; |
rgrover1 | 0:28f095301cb2 | 57 | } |
rgrover1 | 0:28f095301cb2 | 58 | |
rgrover1 | 0:28f095301cb2 | 59 | void periodicCallback(void) |
rgrover1 | 0:28f095301cb2 | 60 | { |
rgrover1 | 0:28f095301cb2 | 61 | led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ |
rgrover1 | 0:28f095301cb2 | 62 | } |
rgrover1 | 0:28f095301cb2 | 63 | |
andresag | 10:7943b5c1117a | 64 | /** |
andresag | 10:7943b5c1117a | 65 | * This function is called when the ble initialization process has failled |
andresag | 10:7943b5c1117a | 66 | */ |
andresag | 10:7943b5c1117a | 67 | void onBleInitError(BLE &ble, ble_error_t error) |
andresag | 10:7943b5c1117a | 68 | { |
andresag | 10:7943b5c1117a | 69 | /* Initialization error handling should go here */ |
trvd1707 | 12:d6be80bffa01 | 70 | while(1) { |
trvd1707 | 12:d6be80bffa01 | 71 | led2 = 0; |
trvd1707 | 12:d6be80bffa01 | 72 | wait(0.2); |
trvd1707 | 12:d6be80bffa01 | 73 | led2 = 1; |
trvd1707 | 12:d6be80bffa01 | 74 | wait(0.2); |
trvd1707 | 12:d6be80bffa01 | 75 | } |
andresag | 10:7943b5c1117a | 76 | } |
andresag | 10:7943b5c1117a | 77 | |
andresag | 10:7943b5c1117a | 78 | /** |
andresag | 10:7943b5c1117a | 79 | * Callback triggered when the ble initialization process has finished |
andresag | 10:7943b5c1117a | 80 | */ |
andresag | 10:7943b5c1117a | 81 | void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) |
andresag | 10:7943b5c1117a | 82 | { |
trvd1707 | 12:d6be80bffa01 | 83 | led2=0; |
andresag | 10:7943b5c1117a | 84 | BLE& ble = params->ble; |
andresag | 10:7943b5c1117a | 85 | ble_error_t error = params->error; |
andresag | 10:7943b5c1117a | 86 | |
andresag | 10:7943b5c1117a | 87 | if (error != BLE_ERROR_NONE) { |
andresag | 10:7943b5c1117a | 88 | /* In case of error, forward the error handling to onBleInitError */ |
andresag | 10:7943b5c1117a | 89 | onBleInitError(ble, error); |
andresag | 10:7943b5c1117a | 90 | return; |
andresag | 10:7943b5c1117a | 91 | } |
andresag | 10:7943b5c1117a | 92 | |
andresag | 10:7943b5c1117a | 93 | /* Ensure that it is the default instance of BLE */ |
andresag | 10:7943b5c1117a | 94 | if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { |
trvd1707 | 12:d6be80bffa01 | 95 | onBleInitError(ble, error); |
andresag | 10:7943b5c1117a | 96 | return; |
andresag | 10:7943b5c1117a | 97 | } |
andresag | 10:7943b5c1117a | 98 | |
andresag | 10:7943b5c1117a | 99 | ble.gap().onDisconnection(disconnectionCallback); |
andresag | 10:7943b5c1117a | 100 | |
andresag | 10:7943b5c1117a | 101 | /* Setup primary service */ |
andresag | 10:7943b5c1117a | 102 | buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */); |
andresag | 10:7943b5c1117a | 103 | |
andresag | 10:7943b5c1117a | 104 | /* setup advertising */ |
andresag | 10:7943b5c1117a | 105 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); |
andresag | 10:7943b5c1117a | 106 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); |
andresag | 10:7943b5c1117a | 107 | ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); |
andresag | 10:7943b5c1117a | 108 | ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); |
andresag | 10:7943b5c1117a | 109 | ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ |
andresag | 10:7943b5c1117a | 110 | ble.gap().startAdvertising(); |
andresag | 10:7943b5c1117a | 111 | |
andresag | 10:7943b5c1117a | 112 | } |
andresag | 10:7943b5c1117a | 113 | |
rgrover1 | 0:28f095301cb2 | 114 | int main(void) |
rgrover1 | 0:28f095301cb2 | 115 | { |
rgrover1 | 0:28f095301cb2 | 116 | led1 = 1; |
trvd1707 | 11:80a9d811aab1 | 117 | led2 = 1; |
rgrover1 | 0:28f095301cb2 | 118 | Ticker ticker; |
rgrover1 | 0:28f095301cb2 | 119 | ticker.attach(periodicCallback, 1); |
rgrover1 | 0:28f095301cb2 | 120 | button.fall(buttonPressedCallback); |
rgrover1 | 0:28f095301cb2 | 121 | button.rise(buttonReleasedCallback); |
rgrover1 | 0:28f095301cb2 | 122 | |
andresag | 10:7943b5c1117a | 123 | BLE &ble = BLE::Instance(); |
trvd1707 | 12:d6be80bffa01 | 124 | ble_error_t error = ble.init(bleInitComplete) ; |
trvd1707 | 12:d6be80bffa01 | 125 | if ( error != BLE_ERROR_NONE){ |
trvd1707 | 12:d6be80bffa01 | 126 | /* In case of error, forward the error handling to onBleInitError */ |
trvd1707 | 12:d6be80bffa01 | 127 | onBleInitError(ble, error); |
trvd1707 | 12:d6be80bffa01 | 128 | } |
andresag | 10:7943b5c1117a | 129 | |
andresag | 10:7943b5c1117a | 130 | /* SpinWait for initialization to complete. This is necessary because the |
andresag | 10:7943b5c1117a | 131 | * BLE object is used in the main loop below. */ |
trvd1707 | 12:d6be80bffa01 | 132 | // while (ble.hasInitialized() == false) { /* spin loop */ |
trvd1707 | 12:d6be80bffa01 | 133 | // } |
rgrover1 | 0:28f095301cb2 | 134 | while (true) { |
andresag | 10:7943b5c1117a | 135 | if (buttonState != IDLE) { |
rgrover1 | 9:0f6951db24f1 | 136 | buttonServicePtr->updateButtonState(buttonState); |
rgrover1 | 9:0f6951db24f1 | 137 | buttonState = IDLE; |
rgrover1 | 9:0f6951db24f1 | 138 | } |
rgrover1 | 9:0f6951db24f1 | 139 | |
rgrover1 | 0:28f095301cb2 | 140 | ble.waitForEvent(); |
rgrover1 | 0:28f095301cb2 | 141 | } |
rgrover1 | 0:28f095301cb2 | 142 | } |