This repository is for Bluetooth Asia 2018 developer training, beacon session.
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beacon_src.txt@24:bfc7acc13cb4, 2018-05-17 (annotated)
- Committer:
- krenbluetoothsig
- Date:
- Thu May 17 07:32:41 2018 +0000
- Revision:
- 24:bfc7acc13cb4
- Parent:
- 22:4f919611ff42
1. CHG: when micro:bit power up, it advertises its board name; when button A is pressed, it advertises Eddystone-URL. Both of them use same txpower setting.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
krenbluetoothsig | 21:6512562f058d | 1 | #include "MicroBit.h" |
krenbluetoothsig | 24:bfc7acc13cb4 | 2 | |
krenbluetoothsig | 21:6512562f058d | 3 | MicroBit uBit; |
krenbluetoothsig | 24:bfc7acc13cb4 | 4 | |
krenbluetoothsig | 21:6512562f058d | 5 | char URL[] = "http://www.bluetooth.com"; |
krenbluetoothsig | 21:6512562f058d | 6 | |
krenbluetoothsig | 21:6512562f058d | 7 | // lvl : Pwr@ 1m : Pwr@ 0m |
krenbluetoothsig | 21:6512562f058d | 8 | // 0 : -90 : -49 |
krenbluetoothsig | 21:6512562f058d | 9 | // 1 : -78 : -37 |
krenbluetoothsig | 21:6512562f058d | 10 | // 2 : -74 : -33 |
krenbluetoothsig | 21:6512562f058d | 11 | // 3 : -69 : -28 |
krenbluetoothsig | 21:6512562f058d | 12 | // 4 : -66 : -25 |
krenbluetoothsig | 21:6512562f058d | 13 | // 5 : -61 : -20 |
krenbluetoothsig | 21:6512562f058d | 14 | // 6 : -56 : -15 |
krenbluetoothsig | 21:6512562f058d | 15 | // 7 : -51 : -10 |
krenbluetoothsig | 21:6512562f058d | 16 | |
krenbluetoothsig | 21:6512562f058d | 17 | const int8_t CALIBRATED_POWERS[] = {-49, -37, -33, -28, -25, -20, -15, -10}; |
krenbluetoothsig | 21:6512562f058d | 18 | |
krenbluetoothsig | 21:6512562f058d | 19 | uint8_t advertising = 0; |
krenbluetoothsig | 21:6512562f058d | 20 | uint8_t tx_power_level = 6; |
krenbluetoothsig | 21:6512562f058d | 21 | |
krenbluetoothsig | 21:6512562f058d | 22 | void startAdvertising() { |
krenbluetoothsig | 21:6512562f058d | 23 | uBit.bleManager.advertiseEddystoneUrl(URL, CALIBRATED_POWERS[tx_power_level-1], false); |
krenbluetoothsig | 21:6512562f058d | 24 | uBit.bleManager.setTransmitPower(tx_power_level); |
krenbluetoothsig | 21:6512562f058d | 25 | uBit.display.scroll("ADV"); |
krenbluetoothsig | 21:6512562f058d | 26 | advertising = 1; |
krenbluetoothsig | 21:6512562f058d | 27 | } |
krenbluetoothsig | 21:6512562f058d | 28 | |
krenbluetoothsig | 21:6512562f058d | 29 | void stopAdvertising() { |
krenbluetoothsig | 21:6512562f058d | 30 | uBit.bleManager.stopAdvertising(); |
krenbluetoothsig | 21:6512562f058d | 31 | uBit.display.scroll("OFF"); |
krenbluetoothsig | 21:6512562f058d | 32 | advertising = 0; |
krenbluetoothsig | 21:6512562f058d | 33 | } |
krenbluetoothsig | 21:6512562f058d | 34 | |
krenbluetoothsig | 21:6512562f058d | 35 | void onButtonA(MicroBitEvent) |
krenbluetoothsig | 21:6512562f058d | 36 | { |
krenbluetoothsig | 21:6512562f058d | 37 | if (advertising == 1) { |
krenbluetoothsig | 21:6512562f058d | 38 | return; |
krenbluetoothsig | 21:6512562f058d | 39 | } |
krenbluetoothsig | 21:6512562f058d | 40 | startAdvertising(); |
krenbluetoothsig | 21:6512562f058d | 41 | } |
krenbluetoothsig | 21:6512562f058d | 42 | |
krenbluetoothsig | 21:6512562f058d | 43 | void onButtonB(MicroBitEvent) |
krenbluetoothsig | 21:6512562f058d | 44 | { |
krenbluetoothsig | 21:6512562f058d | 45 | if (advertising == 0) { |
krenbluetoothsig | 21:6512562f058d | 46 | return; |
krenbluetoothsig | 21:6512562f058d | 47 | } |
krenbluetoothsig | 21:6512562f058d | 48 | stopAdvertising(); |
krenbluetoothsig | 21:6512562f058d | 49 | } |
krenbluetoothsig | 24:bfc7acc13cb4 | 50 | |
krenbluetoothsig | 24:bfc7acc13cb4 | 51 | |
krenbluetoothsig | 24:bfc7acc13cb4 | 52 | |
krenbluetoothsig | 21:6512562f058d | 53 | int main() |
krenbluetoothsig | 21:6512562f058d | 54 | { |
krenbluetoothsig | 21:6512562f058d | 55 | // Initialise the micro:bit runtime. |
krenbluetoothsig | 21:6512562f058d | 56 | uBit.init(); |
krenbluetoothsig | 24:bfc7acc13cb4 | 57 | uBit.bleManager.setTransmitPower(tx_power_level); |
krenbluetoothsig | 24:bfc7acc13cb4 | 58 | uBit.bleManager.advertise(); |
krenbluetoothsig | 24:bfc7acc13cb4 | 59 | uBit.display.scroll("ON"); |
krenbluetoothsig | 21:6512562f058d | 60 | |
krenbluetoothsig | 21:6512562f058d | 61 | uBit.messageBus.listen(MICROBIT_ID_BUTTON_A, MICROBIT_BUTTON_EVT_CLICK, onButtonA); |
krenbluetoothsig | 21:6512562f058d | 62 | uBit.messageBus.listen(MICROBIT_ID_BUTTON_B, MICROBIT_BUTTON_EVT_CLICK, onButtonB); |
krenbluetoothsig | 21:6512562f058d | 63 | |
krenbluetoothsig | 24:bfc7acc13cb4 | 64 | //startAdvertising(); |
krenbluetoothsig | 21:6512562f058d | 65 | |
krenbluetoothsig | 21:6512562f058d | 66 | release_fiber(); |
krenbluetoothsig | 24:bfc7acc13cb4 | 67 | |
krenbluetoothsig | 21:6512562f058d | 68 | } |
krenbluetoothsig | 24:bfc7acc13cb4 | 69 |