Delong Qi / Mbed 2 deprecated LinkNode_DataAdvertising

Demo to get the die sensors value of 51822

Dependencies:   BLE_API Sensors mbed nRF51822

Fork of BLE_TemperatureAdvertising by xiao sun

main.cpp@6:b3d3351aadc6, 2016-02-22 (annotated)

Committer:
helloqi
Date:
Mon Feb 22 08:55:35 2016 +0000
Revision:
6:b3d3351aadc6
Parent:
5:d30cc8560678 
change

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sunsmile2015 0:3dc6e424dba0 1 #include "mbed.h"
sunsmile2015 0:3dc6e424dba0 2 #include "ble/BLE.h"
helloqi 5:d30cc8560678 3 #include "Sensors/Sensors.h"
sunsmile2015 0:3dc6e424dba0 4
sunsmile2015 4:e5fa4c8838db 5 #define APP_SPECIFIC_ID_TEST 0xFEFE
sunsmile2015 3:3eda308b78e6 6
sunsmile2015 3:3eda308b78e6 7 #pragma pack(1)
sunsmile2015 4:e5fa4c8838db 8 struct ApplicationData_t {
sunsmile2015 4:e5fa4c8838db 9 uint16_t applicationSpecificId; /* An ID used to identify temperature value
sunsmile2015 4:e5fa4c8838db 10 in the manufacture specific AD data field */
helloqi 5:d30cc8560678 11 Sensors::tmpSensorValue_t tmpSensorValue; /* User defined application data */
sunsmile2015 4:e5fa4c8838db 12 };
sunsmile2015 3:3eda308b78e6 13 #pragma pack()
sunsmile2015 3:3eda308b78e6 14
sunsmile2015 0:3dc6e424dba0 15 BLE ble;
helloqi 5:d30cc8560678 16 Sensors tempSensor;
helloqi 5:d30cc8560678 17 DigitalOut led(P0_20);
sunsmile2015 4:e5fa4c8838db 18 static bool triggerTempValueUpdate = false;
helloqi 6:b3d3351aadc6 19 const static char DEVICE_NAME[8] = "ls_test"; /*The size of the DEVICE_NAME[] can't change */
sunsmile2015 0:3dc6e424dba0 20
sunsmile2015 2:b935358da5ba 21 void periodicCallback(void)
sunsmile2015 2:b935358da5ba 22 {
sunsmile2015 2:b935358da5ba 23 /* Do blinky on LED1 while we're waiting for BLE events */
helloqi 5:d30cc8560678 24 led = !led;
sunsmile2015 4:e5fa4c8838db 25 triggerTempValueUpdate = true;
sunsmile2015 4:e5fa4c8838db 26 }
sunsmile2015 4:e5fa4c8838db 27
sunsmile2015 4:e5fa4c8838db 28 void accumulateApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 29 {
sunsmile2015 4:e5fa4c8838db 30 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
helloqi 5:d30cc8560678 31 /* Read a new data value */
sunsmile2015 4:e5fa4c8838db 32 appData.tmpSensorValue = tempSensor.get();
sunsmile2015 0:3dc6e424dba0 33 }
sunsmile2015 0:3dc6e424dba0 34
sunsmile2015 2:b935358da5ba 35 void temperatureValueAdvertising(void)
helloqi 5:d30cc8560678 36 {
sunsmile2015 4:e5fa4c8838db 37 ApplicationData_t appData;
sunsmile2015 3:3eda308b78e6 38
sunsmile2015 4:e5fa4c8838db 39 accumulateApplicationData(appData);
sunsmile2015 3:3eda308b78e6 40
sunsmile2015 3:3eda308b78e6 41 /* Setup advertising payload */
sunsmile2015 3:3eda308b78e6 42 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); /* Set flag */
sunsmile2015 3:3eda308b78e6 43 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER); /* Set appearance */
helloqi 5:d30cc8560678 44 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
sunsmile2015 4:e5fa4c8838db 45 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t)); /* Set data */
sunsmile2015 3:3eda308b78e6 46 /* Setup advertising parameters */
sunsmile2015 2:b935358da5ba 47 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
sunsmile2015 2:b935358da5ba 48 ble.gap().setAdvertisingInterval(500);
sunsmile2015 3:3eda308b78e6 49 /* Start advertising */
sunsmile2015 2:b935358da5ba 50 ble.gap().startAdvertising();
sunsmile2015 2:b935358da5ba 51 }
sunsmile2015 2:b935358da5ba 52
sunsmile2015 4:e5fa4c8838db 53 void updateSensorValueInAdvPayload(void)
sunsmile2015 4:e5fa4c8838db 54 {
sunsmile2015 4:e5fa4c8838db 55 ApplicationData_t appData;
sunsmile2015 4:e5fa4c8838db 56
sunsmile2015 4:e5fa4c8838db 57 accumulateApplicationData(appData);
sunsmile2015 4:e5fa4c8838db 58
sunsmile2015 4:e5fa4c8838db 59 /* Stop advertising first */
sunsmile2015 4:e5fa4c8838db 60 ble.gap().stopAdvertising();
helloqi 5:d30cc8560678 61 /* Only update data value field */
sunsmile2015 4:e5fa4c8838db 62 ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t));
sunsmile2015 4:e5fa4c8838db 63 /* Start advertising again */
sunsmile2015 4:e5fa4c8838db 64 ble.gap().startAdvertising();
sunsmile2015 4:e5fa4c8838db 65 }
sunsmile2015 4:e5fa4c8838db 66
sunsmile2015 2:b935358da5ba 67 int main(void)
sunsmile2015 2:b935358da5ba 68 {
sunsmile2015 0:3dc6e424dba0 69 Ticker ticker;
sunsmile2015 4:e5fa4c8838db 70 /* Enable trigger every 2 seconds */
sunsmile2015 0:3dc6e424dba0 71 ticker.attach(periodicCallback, 2);
sunsmile2015 0:3dc6e424dba0 72
sunsmile2015 0:3dc6e424dba0 73 ble.init();
helloqi 5:d30cc8560678 74 /* Start data advertising */
sunsmile2015 4:e5fa4c8838db 75 temperatureValueAdvertising();
sunsmile2015 4:e5fa4c8838db 76
sunsmile2015 0:3dc6e424dba0 77 while (true) {
helloqi 5:d30cc8560678 78 if (triggerTempValueUpdate)
helloqi 5:d30cc8560678 79 {
helloqi 5:d30cc8560678 80 /* Update data value */
sunsmile2015 4:e5fa4c8838db 81 updateSensorValueInAdvPayload();
sunsmile2015 4:e5fa4c8838db 82 triggerTempValueUpdate = false;
sunsmile2015 0:3dc6e424dba0 83 }
sunsmile2015 0:3dc6e424dba0 84 ble.waitForEvent();
sunsmile2015 0:3dc6e424dba0 85 }
sunsmile2015 0:3dc6e424dba0 86 }