main.cpp NFR 1
Dependencies: BLE_API mbed nRF51822
Revision 0:a2e964d708dd, committed 2018-04-16
- Comitter:
- KKongs
- Date:
- Mon Apr 16 12:35:35 2018 +0000
- Commit message:
- _NFR52_DK_main.cpp
Changed in this revision
diff -r 000000000000 -r a2e964d708dd BLE_API.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/BLE_API.lib Mon Apr 16 12:35:35 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/teams/Bluetooth-Low-Energy/code/BLE_API/#65474dc93927
diff -r 000000000000 -r a2e964d708dd ButtonService.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ButtonService.h Mon Apr 16 12:35:35 2018 +0000 @@ -0,0 +1,42 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef __BLE_BUTTON_SERVICE_H__ +#define __BLE_BUTTON_SERVICE_H__ + +class ButtonService { +public: + const static uint16_t BUTTON_SERVICE_UUID = 0xA000; + const static uint16_t BUTTON_STATE_CHARACTERISTIC_UUID = 0xA001; + + ButtonService(BLE &_ble, bool buttonPressedInitial) : + ble(_ble), buttonState(BUTTON_STATE_CHARACTERISTIC_UUID, &buttonPressedInitial, GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY) + { + GattCharacteristic *charTable[] = {&buttonState}; + GattService buttonService(ButtonService::BUTTON_SERVICE_UUID, charTable, sizeof(charTable) / sizeof(GattCharacteristic *)); + ble.gattServer().addService(buttonService); + } + + void updateButtonState(bool newState) { + ble.gattServer().write(buttonState.getValueHandle(), (uint8_t *)&newState, sizeof(bool)); + } + +private: + BLE &ble; + ReadOnlyGattCharacteristic<bool> buttonState; +}; + +#endif /* #ifndef __BLE_BUTTON_SERVICE_H__ */
diff -r 000000000000 -r a2e964d708dd main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Apr 16 12:35:35 2018 +0000 @@ -0,0 +1,125 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "mbed.h" +#include "ble/BLE.h" +#include "ButtonService.h" + +DigitalOut led1(LED1); +InterruptIn button(BUTTON1); + +const static char DEVICE_NAME[] = "Button"; +static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID}; + +enum { + RELEASED = 0, + PRESSED, + IDLE +}; +static uint8_t buttonState = IDLE; + +static ButtonService *buttonServicePtr; + +void buttonPressedCallback(void) +{ + /* Note that the buttonPressedCallback() executes in interrupt context, so it is safer to access + * BLE device API from the main thread. */ + buttonState = PRESSED; +} + +void buttonReleasedCallback(void) +{ + /* Note that the buttonReleasedCallback() executes in interrupt context, so it is safer to access + * BLE device API from the main thread. */ + buttonState = RELEASED; +} + +void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params) +{ + BLE::Instance().gap().startAdvertising(); +} + +void periodicCallback(void) +{ + led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */ +} + +/** + * This function is called when the ble initialization process has failled + */ +void onBleInitError(BLE &ble, ble_error_t error) +{ + /* Initialization error handling should go here */ +} + +/** + * Callback triggered when the ble initialization process has finished + */ +void bleInitComplete(BLE::InitializationCompleteCallbackContext *params) +{ + BLE& ble = params->ble; + ble_error_t error = params->error; + + if (error != BLE_ERROR_NONE) { + /* In case of error, forward the error handling to onBleInitError */ + onBleInitError(ble, error); + return; + } + + /* Ensure that it is the default instance of BLE */ + if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) { + return; + } + + ble.gap().onDisconnection(disconnectionCallback); + + /* Setup primary service */ + buttonServicePtr = new ButtonService(ble, false /* initial value for button pressed */); + + /* setup advertising */ + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list)); + ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); + ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.gap().setAdvertisingInterval(1000); /* 1000ms. */ + ble.gap().startAdvertising(); + +} + +int main(void) +{ + led1 = 1; + Ticker ticker; + ticker.attach(periodicCallback, 1); + button.fall(buttonPressedCallback); + button.rise(buttonReleasedCallback); + + BLE &ble = BLE::Instance(); + ble.init(bleInitComplete); + + /* SpinWait for initialization to complete. This is necessary because the + * BLE object is used in the main loop below. */ + while (ble.hasInitialized() == false) { /* spin loop */ } + + while (true) { + if (buttonState != IDLE) { + buttonServicePtr->updateButtonState(buttonState); + buttonState = IDLE; + } + + ble.waitForEvent(); + } +}
diff -r 000000000000 -r a2e964d708dd mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 16 12:35:35 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/994bdf8177cb \ No newline at end of file
diff -r 000000000000 -r a2e964d708dd nRF51822.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nRF51822.lib Mon Apr 16 12:35:35 2018 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/teams/Nordic-Semiconductor/code/nRF51822/#c90ae1400bf2