Delong Qi / Mbed 2 deprecated LinkNode_DataAdvertising1

Demo to get the die sensors value of 51822

Dependencies:   BLE_API Sensors mbed nRF51822

Fork of LinkNode_DataAdvertising by Delong Qi

main.cpp@7:f3e587ca9139, 2016-04-06 (annotated)

Committer:
helloqi
Date:
Wed Apr 06 08:57:58 2016 +0000
Revision:
7:f3e587ca9139
Parent:
6:b3d3351aadc6 
change the name

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)
helloqi 7:f3e587ca9139 8 struct ApplicationData_t
helloqi 7:f3e587ca9139 9 {
sunsmile2015 4:e5fa4c8838db 10 uint16_t applicationSpecificId; /* An ID used to identify temperature value
sunsmile2015 4:e5fa4c8838db 11 in the manufacture specific AD data field */
helloqi 5:d30cc8560678 12 Sensors::tmpSensorValue_t tmpSensorValue; /* User defined application data */
sunsmile2015 4:e5fa4c8838db 13 };
sunsmile2015 3:3eda308b78e6 14 #pragma pack()
sunsmile2015 3:3eda308b78e6 15
sunsmile2015 0:3dc6e424dba0 16 BLE ble;
helloqi 5:d30cc8560678 17 Sensors tempSensor;
helloqi 7:f3e587ca9139 18 DigitalOut led(P0_19);
sunsmile2015 4:e5fa4c8838db 19 static bool triggerTempValueUpdate = false;
helloqi 7:f3e587ca9139 20 const static char DEVICE_NAME[8] = "Linkaa"; /*The size of the DEVICE_NAME[] can't change */
sunsmile2015 0:3dc6e424dba0 21
sunsmile2015 2:b935358da5ba 22 void periodicCallback(void)
sunsmile2015 2:b935358da5ba 23 {
sunsmile2015 2:b935358da5ba 24 /* Do blinky on LED1 while we're waiting for BLE events */
helloqi 5:d30cc8560678 25 led = !led;
sunsmile2015 4:e5fa4c8838db 26 triggerTempValueUpdate = true;
sunsmile2015 4:e5fa4c8838db 27 }
sunsmile2015 4:e5fa4c8838db 28
sunsmile2015 4:e5fa4c8838db 29 void accumulateApplicationData(ApplicationData_t &appData)
sunsmile2015 4:e5fa4c8838db 30 {
sunsmile2015 4:e5fa4c8838db 31 appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
helloqi 5:d30cc8560678 32 /* Read a new data value */
sunsmile2015 4:e5fa4c8838db 33 appData.tmpSensorValue = tempSensor.get();
sunsmile2015 0:3dc6e424dba0 34 }
sunsmile2015 0:3dc6e424dba0 35
sunsmile2015 2:b935358da5ba 36 void temperatureValueAdvertising(void)
helloqi 5:d30cc8560678 37 {
sunsmile2015 4:e5fa4c8838db 38 ApplicationData_t appData;
sunsmile2015 3:3eda308b78e6 39
sunsmile2015 4:e5fa4c8838db 40 accumulateApplicationData(appData);
sunsmile2015 3:3eda308b78e6 41
sunsmile2015 3:3eda308b78e6 42 /* Setup advertising payload */
sunsmile2015 3:3eda308b78e6 43 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); /* Set flag */
sunsmile2015 3:3eda308b78e6 44 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER); /* Set appearance */
helloqi 5:d30cc8560678 45 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
sunsmile2015 4:e5fa4c8838db 46 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t)); /* Set data */
sunsmile2015 3:3eda308b78e6 47 /* Setup advertising parameters */
sunsmile2015 2:b935358da5ba 48 ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
sunsmile2015 2:b935358da5ba 49 ble.gap().setAdvertisingInterval(500);
sunsmile2015 3:3eda308b78e6 50 /* Start advertising */
sunsmile2015 2:b935358da5ba 51 ble.gap().startAdvertising();
sunsmile2015 2:b935358da5ba 52 }
sunsmile2015 2:b935358da5ba 53
sunsmile2015 4:e5fa4c8838db 54 void updateSensorValueInAdvPayload(void)
sunsmile2015 4:e5fa4c8838db 55 {
sunsmile2015 4:e5fa4c8838db 56 ApplicationData_t appData;
sunsmile2015 4:e5fa4c8838db 57
sunsmile2015 4:e5fa4c8838db 58 accumulateApplicationData(appData);
sunsmile2015 4:e5fa4c8838db 59
sunsmile2015 4:e5fa4c8838db 60 /* Stop advertising first */
sunsmile2015 4:e5fa4c8838db 61 ble.gap().stopAdvertising();
helloqi 5:d30cc8560678 62 /* Only update data value field */
sunsmile2015 4:e5fa4c8838db 63 ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t));
sunsmile2015 4:e5fa4c8838db 64 /* Start advertising again */
sunsmile2015 4:e5fa4c8838db 65 ble.gap().startAdvertising();
sunsmile2015 4:e5fa4c8838db 66 }
sunsmile2015 4:e5fa4c8838db 67
sunsmile2015 2:b935358da5ba 68 int main(void)
sunsmile2015 2:b935358da5ba 69 {
sunsmile2015 0:3dc6e424dba0 70 Ticker ticker;
helloqi 7:f3e587ca9139 71 ticker.attach(periodicCallback, 0.3);
sunsmile2015 0:3dc6e424dba0 72 ble.init();
helloqi 5:d30cc8560678 73 /* Start data advertising */
sunsmile2015 4:e5fa4c8838db 74 temperatureValueAdvertising();
sunsmile2015 4:e5fa4c8838db 75
helloqi 7:f3e587ca9139 76 while (true)
helloqi 7:f3e587ca9139 77 {
helloqi 7:f3e587ca9139 78
helloqi 5:d30cc8560678 79 if (triggerTempValueUpdate)
helloqi 5:d30cc8560678 80 {
helloqi 5:d30cc8560678 81 /* Update data value */
sunsmile2015 4:e5fa4c8838db 82 updateSensorValueInAdvPayload();
sunsmile2015 4:e5fa4c8838db 83 triggerTempValueUpdate = false;
sunsmile2015 0:3dc6e424dba0 84 }
sunsmile2015 0:3dc6e424dba0 85 ble.waitForEvent();
sunsmile2015 0:3dc6e424dba0 86 }
sunsmile2015 0:3dc6e424dba0 87 }