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Test program to fill up the heap
Fork of BLE_BatteryLevel by
Diff: main.cpp
- Revision:
- 4:5b64235d1b85
- Parent:
- 3:288b2baffd14
- Child:
- 5:77ad8d8dc9c5
--- a/main.cpp Thu Jan 16 22:31:47 2014 +0000 +++ b/main.cpp Thu Jun 12 13:56:06 2014 +0100 @@ -1,31 +1,91 @@ -#include "mbed.h" -#include "blecommon.h" -#include "hw/nRF51822s/nRF51822s.h" - -nRF51822s nrf ( p9, p10, p30, p29 ); /* (tx, rx, rts, cts) */ -GattService battService ( 0x180F ); -GattCharacteristic battLevel ( 0x2A19, 1, 1, - GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | - GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ); - -int main(void) -{ - /* Make sure we get a clean start */ - nrf.reset(); - - /* Add the characteristic to our service */ - battService.addCharacteristic(battLevel); - - /* Pass the service into the radio */ - nrf.getGattServer().addService(battService); - - /* Configure the radio and start advertising with default values */ - /* Make sure you've added all of your services before calling this function! */ - nrf.getGap().startAdvertising(); - - /* Now that we're live, update the battery level characteristic */ - uint8_t batt = 72; - nrf.getGattServer().updateValue(battLevel.handle, (uint8_t*)&batt, sizeof(batt)); - - while(1); -} +/* 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 "BLEDevice.h" + +BLEDevice ble; + +DigitalOut led1(LED1); + +#define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console; + * it will have an impact on code-size and power + * consumption. */ + +#if NEED_CONSOLE_OUTPUT +Serial pc(USBTX, USBRX); +#define DEBUG(...) { pc.printf(__VA_ARGS__); } +#else +#define DEBUG(...) /* nothing */ +#endif /* #if NEED_CONSOLE_OUTPUT */ + +/* Battery Level Service */ +uint8_t batt = 72; /* Battery level */ +GattCharacteristic battLevel (GattCharacteristic::UUID_BATTERY_LEVEL_CHAR, &batt, sizeof(batt), sizeof(batt), + GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY | GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ); +GattCharacteristic *battChars[] = { + &battLevel, +}; +GattService battService (GattService::UUID_BATTERY_SERVICE, battChars, sizeof(battChars) / sizeof(GattCharacteristic *)); + + +void disconnectionCallback(void) +{ + DEBUG("Disconnected!\n\r"); + DEBUG("Restarting the advertising process\n\r"); + ble.startAdvertising(); +} + +/** + * Runs once a second in interrupt context triggered by the 'ticker'; updates + * battery level if there is a connection. + */ +void periodicCallback(void) +{ + led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */ + + if (ble.getGapState().connected) { + /* Update battery level */ + batt++; + if (batt > 100) { + batt = 72; + } + ble.updateCharacteristicValue(battLevel.getHandle(), (uint8_t *)&batt, sizeof(batt)); + } +} + +int main(void) +{ + led1 = 1; + Ticker ticker; + ticker.attach(periodicCallback, 1); + + DEBUG("Initialising the nRF51822\n\r"); + ble.init(); + ble.onDisconnection(disconnectionCallback); + + /* setup advertising */ + ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED); + ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED); + ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */ + ble.startAdvertising(); + + ble.addService(battService); + + while (true) { + ble.waitForEvent(); + } +}