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nRF51822 BLE project for TMP102 temperature sensor
Dependencies: BLE_API TMP102 mbed nRF51822
main.cpp
- Committer:
- sunsmile2015
- Date:
- 2015-07-17
- Revision:
- 2:b935358da5ba
- Parent:
- 1:790c863a9ebd
- Child:
- 3:3eda308b78e6
File content as of revision 2:b935358da5ba:
/* mbed Microcontroller Library * Copyright (c) 2006-2015 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 "ble/DiscoveredCharacteristic.h" #include "ble/DiscoveredService.h" #include "TMP_nrf51/TMP_nrf51.h" BLE ble; TMP_nrf51 tempSensor; DigitalOut alivenessLED(LED1, 1); static bool triggerTempValueRead = true; void periodicCallback(void) { /* Do blinky on LED1 while we're waiting for BLE events */ alivenessLED = !alivenessLED; triggerTempValueRead = true; } void temperatureValueAdvertising(void) { TMP_nrf51::tmpSensorValue_t tempVal; /* Read a new temperature value */ tempVal = tempSensor.get(); printf("Temp is %f\r\n", tempVal); /* Stop advertising and clear the payload if in advertising state */ if((ble.gap().getState()).advertising == 1) { ble.gap().stopAdvertising(); ble.gap().clearAdvertisingPayload(); } /* Setup advertising. */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&tempVal, sizeof(TMP_nrf51::tmpSensorValue_t)); ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); ble.gap().setAdvertisingInterval(500); ble.gap().startAdvertising(); } int main(void) { Ticker ticker; /* Refresh temperature value every 2 seconds */ ticker.attach(periodicCallback, 2); ble.init(); while (true) { if (triggerTempValueRead) { temperatureValueAdvertising(); triggerTempValueRead = false; } ble.waitForEvent(); } }