Eric Tsai / Mbed 2 deprecated BLE_Gateway

BLE ADV Gateway, converts advertisement to proper JSON serial output

Dependencies:   BLE_API mbed mbedtls nRF51822

main.cpp@2:b935358da5ba, 2015-07-17 (annotated)

Committer:
sunsmile2015
Date:
Fri Jul 17 08:46:31 2015 +0000
Revision:
2:b935358da5ba
Parent:
1:790c863a9ebd
Child:
3:3eda308b78e6
change the coding style

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sunsmile2015 0:3dc6e424dba0 1
sunsmile2015 0:3dc6e424dba0 2 /* mbed Microcontroller Library
sunsmile2015 0:3dc6e424dba0 3 * Copyright (c) 2006-2015 ARM Limited
sunsmile2015 0:3dc6e424dba0 4 *
sunsmile2015 0:3dc6e424dba0 5 * Licensed under the Apache License, Version 2.0 (the "License");
sunsmile2015 0:3dc6e424dba0 6 * you may not use this file except in compliance with the License.
sunsmile2015 0:3dc6e424dba0 7 * You may obtain a copy of the License at
sunsmile2015 0:3dc6e424dba0 8 *
sunsmile2015 0:3dc6e424dba0 9 * http://www.apache.org/licenses/LICENSE-2.0
sunsmile2015 0:3dc6e424dba0 10 *
sunsmile2015 0:3dc6e424dba0 11 * Unless required by applicable law or agreed to in writing, software
sunsmile2015 0:3dc6e424dba0 12 * distributed under the License is distributed on an "AS IS" BASIS,
sunsmile2015 0:3dc6e424dba0 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
sunsmile2015 0:3dc6e424dba0 14 * See the License for the specific language governing permissions and
sunsmile2015 0:3dc6e424dba0 15 * limitations under the License.
sunsmile2015 0:3dc6e424dba0 16 */
sunsmile2015 0:3dc6e424dba0 17
sunsmile2015 0:3dc6e424dba0 18 #include "mbed.h"
sunsmile2015 0:3dc6e424dba0 19 #include "ble/BLE.h"
sunsmile2015 0:3dc6e424dba0 20 #include "ble/DiscoveredCharacteristic.h"
sunsmile2015 0:3dc6e424dba0 21 #include "ble/DiscoveredService.h"
sunsmile2015 0:3dc6e424dba0 22 #include "TMP_nrf51/TMP_nrf51.h"
sunsmile2015 0:3dc6e424dba0 23
sunsmile2015 0:3dc6e424dba0 24 BLE ble;
sunsmile2015 2:b935358da5ba 25 TMP_nrf51 tempSensor;
sunsmile2015 0:3dc6e424dba0 26 DigitalOut alivenessLED(LED1, 1);
sunsmile2015 2:b935358da5ba 27 static bool triggerTempValueRead = true;
sunsmile2015 0:3dc6e424dba0 28
sunsmile2015 2:b935358da5ba 29 void periodicCallback(void)
sunsmile2015 2:b935358da5ba 30 {
sunsmile2015 2:b935358da5ba 31 /* Do blinky on LED1 while we're waiting for BLE events */
sunsmile2015 2:b935358da5ba 32 alivenessLED = !alivenessLED;
sunsmile2015 2:b935358da5ba 33 triggerTempValueRead = true;
sunsmile2015 0:3dc6e424dba0 34 }
sunsmile2015 0:3dc6e424dba0 35
sunsmile2015 2:b935358da5ba 36 void temperatureValueAdvertising(void)
sunsmile2015 2:b935358da5ba 37 {
sunsmile2015 2:b935358da5ba 38 TMP_nrf51::tmpSensorValue_t tempVal;
sunsmile2015 2:b935358da5ba 39 /* Read a new temperature value */
sunsmile2015 2:b935358da5ba 40 tempVal = tempSensor.get();
sunsmile2015 2:b935358da5ba 41 printf("Temp is %f\r\n", tempVal);
sunsmile2015 2:b935358da5ba 42
sunsmile2015 2:b935358da5ba 43 /* Stop advertising and clear the payload if in advertising state */
sunsmile2015 2:b935358da5ba 44 if((ble.gap().getState()).advertising == 1) {
sunsmile2015 2:b935358da5ba 45 ble.gap().stopAdvertising();
sunsmile2015 2:b935358da5ba 46 ble.gap().clearAdvertisingPayload();
sunsmile2015 2:b935358da5ba 47 }
sunsmile2015 2:b935358da5ba 48 /* Setup advertising. */
sunsmile2015 2:b935358da5ba 49 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
sunsmile2015 2:b935358da5ba 50 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER);
sunsmile2015 2:b935358da5ba 51 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&tempVal, sizeof(TMP_nrf51::tmpSensorValue_t));
sunsmile2015 2:b935358da5ba 52 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
sunsmile2015 2:b935358da5ba 53 ble.gap().setAdvertisingInterval(500);
sunsmile2015 0:3dc6e424dba0 54
sunsmile2015 2:b935358da5ba 55 ble.gap().startAdvertising();
sunsmile2015 2:b935358da5ba 56 }
sunsmile2015 2:b935358da5ba 57
sunsmile2015 2:b935358da5ba 58 int main(void)
sunsmile2015 2:b935358da5ba 59 {
sunsmile2015 0:3dc6e424dba0 60 Ticker ticker;
sunsmile2015 0:3dc6e424dba0 61 /* Refresh temperature value every 2 seconds */
sunsmile2015 0:3dc6e424dba0 62 ticker.attach(periodicCallback, 2);
sunsmile2015 0:3dc6e424dba0 63
sunsmile2015 0:3dc6e424dba0 64 ble.init();
sunsmile2015 0:3dc6e424dba0 65
sunsmile2015 0:3dc6e424dba0 66 while (true) {
sunsmile2015 2:b935358da5ba 67 if (triggerTempValueRead) {
sunsmile2015 2:b935358da5ba 68 temperatureValueAdvertising();
sunsmile2015 2:b935358da5ba 69 triggerTempValueRead = false;
sunsmile2015 0:3dc6e424dba0 70 }
sunsmile2015 0:3dc6e424dba0 71 ble.waitForEvent();
sunsmile2015 0:3dc6e424dba0 72 }
sunsmile2015 0:3dc6e424dba0 73 }