this is a test about ble
Dependencies: BLE_API LinkNode_TemperatureAdvertising mbed nRF51822
Fork of LinkNode_DataAdvertising1 by
main.cpp
- Committer:
- helloqi
- Date:
- 2016-02-22
- Revision:
- 5:d30cc8560678
- Parent:
- 4:e5fa4c8838db
- Child:
- 6:b3d3351aadc6
File content as of revision 5:d30cc8560678:
#include "mbed.h" #include "ble/BLE.h" #include "Sensors/Sensors.h" #define APP_SPECIFIC_ID_TEST 0xFEFE #pragma pack(1) struct ApplicationData_t { uint16_t applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */ Sensors::tmpSensorValue_t tmpSensorValue; /* User defined application data */ }; #pragma pack() BLE ble; Sensors tempSensor; DigitalOut led(P0_20); static bool triggerTempValueUpdate = false; const static char DEVICE_NAME[8] = "Linkaa"; void periodicCallback(void) { /* Do blinky on LED1 while we're waiting for BLE events */ led = !led; triggerTempValueUpdate = true; } void accumulateApplicationData(ApplicationData_t &appData) { appData.applicationSpecificId = APP_SPECIFIC_ID_TEST; /* Read a new data value */ appData.tmpSensorValue = tempSensor.get(); } void temperatureValueAdvertising(void) { ApplicationData_t appData; accumulateApplicationData(appData); /* Setup advertising payload */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE); /* Set flag */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER); /* Set appearance */ ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME)); ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t)); /* Set data */ /* Setup advertising parameters */ ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED); ble.gap().setAdvertisingInterval(500); /* Start advertising */ ble.gap().startAdvertising(); } void updateSensorValueInAdvPayload(void) { ApplicationData_t appData; accumulateApplicationData(appData); /* Stop advertising first */ ble.gap().stopAdvertising(); /* Only update data value field */ ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t)); /* Start advertising again */ ble.gap().startAdvertising(); } int main(void) { Ticker ticker; /* Enable trigger every 2 seconds */ ticker.attach(periodicCallback, 2); ble.init(); /* Start data advertising */ temperatureValueAdvertising(); while (true) { if (triggerTempValueUpdate) { /* Update data value */ updateSensorValueInAdvPayload(); triggerTempValueUpdate = false; } ble.waitForEvent(); } }