Diff: Puck.cpp

Revision:

0:718051934fdb

Child:

1:29b2cca0d529

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Puck.cpp	Tue Jul 15 14:33:09 2014 +0000
@@ -0,0 +1,46 @@
+#include "mbed.h"
+#include "Puck.hpp"
+
+Puck::Puck(bool connectable, uint16_t minor) : _connectable(connectable) {
+    /*
+     * The Beacon payload (encapsulated within the MSD advertising data structure)
+     * has the following composition:
+     * 128-Bit UUID = E2 0A 39 F4 73 F5 4B C4 A1 2F 17 D1 AD 07 A9 61
+     * Major/Minor  = 1337 / XXXX
+     * Tx Power     = C8
+     */
+    uint8_t beaconPayloadTemplate[] = {
+        0x00, 0x00, // Company identifier code (0x004C == Apple)
+        0x02,       // ID
+        0x15,       // length of the remaining payload
+        0xE2, 0x0A, 0x39, 0xF4, 0x73, 0xF5, 0x4B, 0xC4, // UUID
+        0xA1, 0x2F, 0x17, 0xD1, 0xAD, 0x07, 0xA9, 0x61,
+        0x13, 0x37, // the major value to differenciate a location (Our app requires 1337 as major number)
+        0x00, 0x00, // the minor value to differenciate a location (Change this to differentiate location pucks)
+        0xC8        // 2's complement of the Tx power (-56dB)
+    };
+    beaconPayloadTemplate[22] = minor >> 8;
+    beaconPayloadTemplate[23] = minor & 255;
+    
+    for (int i=0; i < 25; i++) {
+        _beaconPayload[i] = beaconPayloadTemplate[i];
+    }
+}
+
+void Puck::init(void) {
+    _ble.init();
+
+    _ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    _ble.accumulateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA,
+                    _beaconPayload, sizeof(_beaconPayload));
+    
+    if (_connectable) {
+        _ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    } else {
+        _ble.setAdvertisingType(GapAdvertisingParams::ADV_NON_CONNECTABLE_UNDIRECTED);
+    }
+    
+    _ble.setAdvertisingInterval(160); /* 100ms; in multiples of 0.625ms. */
+
+    _ble.startAdvertising();
+}
\ No newline at end of file