main.cpp

00001 #include "MicroBit.h"
00002 
00003 MicroBit uBit;
00004 
00005 char URL[] = "https://www.bluetooth.com";
00006 
00007 // lvl : Pwr@ 1m : Pwr@ 0m
00008 //  0  :   -90   :   -49
00009 //  1  :   -78   :   -37
00010 //  2  :   -74   :   -33
00011 //  3  :   -69   :   -28 
00012 //  4  :   -66   :   -25 
00013 //  5  :   -61   :   -20 
00014 //  6  :   -56   :   -15 
00015 //  7  :   -51   :   -10
00016 
00017 const int8_t CALIBRATED_POWERS[] = {-49, -37, -33, -28, -25, -20, -15, -10};
00018 
00019 uint8_t advertising = 0;
00020 uint8_t tx_power_level = 6;
00021 
00022 void startAdvertising() {
00023     uBit.bleManager.advertiseEddystoneUrl(URL, CALIBRATED_POWERS[tx_power_level-1], false);
00024     uBit.bleManager.setTransmitPower(tx_power_level);
00025     uBit.display.scroll("ADV");
00026     advertising = 1;
00027 }
00028 
00029 void stopAdvertising() {
00030     uBit.bleManager.stopAdvertising();
00031     uBit.display.scroll("OFF");
00032     advertising = 0;
00033 }
00034 
00035 void onButtonA(MicroBitEvent)
00036 {
00037     if (advertising == 1) {
00038         return;
00039     }
00040     startAdvertising();
00041 }
00042 
00043 void onButtonB(MicroBitEvent)
00044 {
00045     if (advertising == 0) {
00046         return;
00047     }
00048     stopAdvertising();
00049 }
00050 
00051 
00052 
00053 int main()
00054 {
00055     // Initialize the micro:bit runtime.
00056     uBit.init();
00057 
00058     uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButtonA);
00059     uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButtonB);
00060     
00061     uBit.bleManager.advertise();  //First Advertisment, adv name only
00062     
00063     release_fiber();
00064 }