Diff: main.cpp

Revision:

0:3aa044e110b8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Mon Oct 05 12:59:40 2015 +0000
@@ -0,0 +1,130 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2015 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.h"
+#include "ble/BLE.h"
+#include "ble/services/BatteryService.h"
+#include "ble/services/DeviceInformationService.h"
+
+#include "toolchain.h"
+#include "TMP_nrf51/TMP_nrf51.h"
+#include "TemperatureGatewayService.h"
+#include "TemperatureTable.h"
+
+#define MAX_BEACONS 10
+
+BLE  ble;
+DigitalOut led1(LED1);
+
+TemperatureGatewayService<MAX_BEACONS>* tempGatewayServicePtr;
+TemperatureTable<uint32_t, float, MAX_BEACONS> temperatureTable;
+
+/* Setup device name and new service information */
+const static char     DEVICE_NAME[]        = "TGW1";
+static const uint16_t uuid16_list[]        = {GattService::UUID_HEALTH_THERMOMETER_SERVICE,
+                                              GattService::UUID_DEVICE_INFORMATION_SERVICE};
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    ble.gap().startAdvertising(); // restart advertising
+}
+
+void periodicCallback(void)
+{
+    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
+}
+
+void advertisementCallback(const Gap::AdvertisementCallbackParams_t *params) {
+
+    struct AdvertisingData_t {
+        uint8_t                        length; /* doesn't include itself */
+        GapAdvertisingData::DataType_t dataType;
+        uint8_t                        data[0];
+    } PACKED;
+
+    struct ApplicationData_t {
+        uint16_t applicationSpecificId;             /* An ID used to identify temperature value
+                                                       in the manufacture specific AD data field */
+        TMP_nrf51::TempSensorValue_t tmpSensorValue; /* User defined application data */
+    } PACKED;
+
+    /* This ID is not very meaningful, but makes it easy to find the device for debugging */
+    static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE;
+
+    /* Search for the manufacturer specific data with matching application-ID */
+    AdvertisingData_t *pAdvData;
+    for (size_t index = 0; index < params->advertisingDataLen; index += (pAdvData->length + 1)) {
+        pAdvData = (AdvertisingData_t *)&params->advertisingData[index];
+
+        if (pAdvData->dataType != GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA) {
+            continue;
+        }
+
+        const ApplicationData_t *pAppData = (const ApplicationData_t *)pAdvData->data;
+        if (pAppData->applicationSpecificId == APP_SPECIFIC_ID_TEST) {
+            uint32_t beaconId = (params->peerAddr[3] << 24) | (params->peerAddr[2] << 16) | (params->peerAddr[1] << 8)  | (params->peerAddr[0]);
+            TMP_nrf51::TempSensorValue_t temperature = (TMP_nrf51::TempSensorValue_t)pAppData->tmpSensorValue;
+
+            /* If new data was added to the table, then update the payload */
+            temperatureTable.addBeacon(beaconId, temperature);
+            if (temperatureTable.hasUpdate()) {
+                tempGatewayServicePtr->updateTemperature(temperatureTable.getTotalBeacons(), temperatureTable.getBeaconIds(), temperatureTable.getTemperatures());
+                temperatureTable.resetHasUpdate();
+            }
+            break;
+        }
+    }
+}
+
+void configureScanTemperature(void)
+{
+    ble.gap().setScanParams(500 /* scan interval */, 200 /* scan window */);
+    ble.gap().startScan(advertisementCallback);
+}
+
+int main(void)
+{
+    /* Blink LED every second to tell whether the app is running */
+    led1 = 1;
+    Ticker ticker;
+    ticker.attach(periodicCallback, 1);
+
+    ble.init();
+
+    configureScanTemperature();
+
+    ble.gap().onDisconnection(disconnectionCallback);
+
+    /* Setup primary service. */
+    TemperatureGatewayService<MAX_BEACONS> temperatureGatewayService(ble);
+    tempGatewayServicePtr = &temperatureGatewayService;
+
+    /* Setup auxiliary service. */
+    DeviceInformationService deviceInfo(ble, "ARM", "Model1", "SN1", "hw-rev1", "fw-rev1", "soft-rev1");
+
+    /* Setup advertising. */
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED | GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LIST_16BIT_SERVICE_IDS, (uint8_t *)uuid16_list, sizeof(uuid16_list));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME, (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+    ble.gap().setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.gap().setAdvertisingInterval(1000); /* 1000ms */
+    ble.gap().startAdvertising();
+
+    /* infinite loop */
+    while (1) {
+        ble.waitForEvent(); // low power wait for event
+    }
+}