Diff: source/main.cpp

Revision:

0:4c8f8bf32a99

Child:

1:9db4d46bb63f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main.cpp	Tue Jul 26 14:40:25 2016 +0100
@@ -0,0 +1,145 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <mbed-events/events.h>
+
+#include <mbed.h>
+#include "ble/BLE.h"
+#include "EddystoneService.h"
+
+#include "PersistentStorageHelper/ConfigParamsPersistence.h"
+
+EddystoneService *eddyServicePtr;
+
+/* Duration after power-on that config service is available. */
+static const int CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS = 30;
+
+/* Default UID frame data */
+static const UIDNamespaceID_t uidNamespaceID = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99};
+static const UIDInstanceID_t  uidInstanceID  = {0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF};
+
+/* Default version in TLM frame */
+static const uint8_t tlmVersion = 0x00;
+
+/* Values for ADV packets related to firmware levels, calibrated based on measured values at 1m */
+static const PowerLevels_t defaultAdvPowerLevels = {-47, -33, -21, -13};
+/* Values for radio power levels, provided by manufacturer. */
+static const PowerLevels_t radioPowerLevels      = {-30, -16, -4, 4};
+
+static EventQueue eventQueue(
+    /* event count */ 16 * /* event size */ 32
+);
+
+DigitalOut led(LED1, 1);
+
+/**
+ * Callback triggered upon a disconnection event.
+ */
+static void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *cbParams)
+{
+    (void) cbParams;
+    BLE::Instance().gap().startAdvertising();
+}
+
+/**
+ * Callback triggered some time after application started to switch to beacon mode.
+ */
+static void timeout(void)
+{
+    Gap::GapState_t state;
+    state = BLE::Instance().gap().getState();
+    if (!state.connected) { /* don't switch if we're in a connected state. */
+        eddyServicePtr->startBeaconService();
+        EddystoneService::EddystoneParams_t params;
+        eddyServicePtr->getEddystoneParams(params);
+        saveEddystoneServiceConfigParams(&params);
+    } else {
+        eventQueue.post_in(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000);
+    }
+}
+
+static void blinky(void)
+{
+    led = !led;
+}
+
+static void onBleInitError(BLE::InitializationCompleteCallbackContext* initContext)
+{
+    /* Initialization error handling goes here... */
+    (void) initContext;
+}
+
+static void initializeEddystoneToDefaults(BLE &ble)
+{
+    /* Set everything to defaults */
+    eddyServicePtr = new EddystoneService(ble, defaultAdvPowerLevels, radioPowerLevels, eventQueue);
+
+    /* Set default URL, UID and TLM frame data if not initialized through the config service */
+    const char* url = YOTTA_CFG_EDDYSTONE_DEFAULT_URL;
+    eddyServicePtr->setURLData(url);
+    eddyServicePtr->setUIDData(uidNamespaceID, uidInstanceID);
+    eddyServicePtr->setTLMData(tlmVersion);
+}
+
+static void bleInitComplete(BLE::InitializationCompleteCallbackContext* initContext)
+{
+    BLE         &ble  = initContext->ble;
+    ble_error_t error = initContext->error;
+
+    if (error != BLE_ERROR_NONE) {
+        onBleInitError(initContext);
+        return;
+    }
+
+    ble.gap().onDisconnection(disconnectionCallback);
+
+    EddystoneService::EddystoneParams_t params;
+    if (loadEddystoneServiceConfigParams(&params)) {
+        eddyServicePtr = new EddystoneService(ble, params, radioPowerLevels, eventQueue);
+    } else {
+        initializeEddystoneToDefaults(ble);
+    }
+
+    /* Start Eddystone in config mode */
+   eddyServicePtr->startConfigService();
+
+   eventQueue.post_in(timeout, CONFIG_ADVERTISEMENT_TIMEOUT_SECONDS * 1000);
+}
+
+void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
+    BLE &ble = BLE::Instance();
+    eventQueue.post(Callback<void()>(&ble, &BLE::processEvents));
+}
+
+
+int main()
+{
+    /* Tell standard C library to not allocate large buffers for these streams */
+    setbuf(stdout, NULL);
+    setbuf(stderr, NULL);
+    setbuf(stdin, NULL);
+
+    eventQueue.post_every(blinky, 500);
+
+    BLE &ble = BLE::Instance();
+    ble.onEventsToProcess(scheduleBleEventsProcessing);
+    ble.init(bleInitComplete);
+
+    while (true) {
+        eventQueue.dispatch();
+    }
+    return 0;
+}