Diff: main.cpp

Revision:

0:aa97837202d2

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jul 02 10:15:02 2014 +0000
@@ -0,0 +1,161 @@
+/* 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.
+ *
+ * Author: Mika Karaila, Metso Automation Inc.
+ *
+ * This Bluetooth LE example contains all basic device characteristics.
+ * Measurement services are simulated for battery & temperature.
+ *
+ */
+
+#include "mbed.h"
+#include "BLEDevice.h"
+
+BLEDevice  ble;
+DigitalOut led1(LED1);
+
+#define NEED_CONSOLE_OUTPUT 0 /* Set this if you need debug messages on the console;
+                               * it will have an impact on code-size and power consumption. */
+
+#if NEED_CONSOLE_OUTPUT
+Serial  pc(USBTX, USBRX);
+#define DEBUG(...) { pc.printf(__VA_ARGS__); }
+#else
+#define DEBUG(...) /* nothing */
+#endif /* #if NEED_CONSOLE_OUTPUT */
+
+// DEVICE_NAME_UUID = '2A00'; // Nordic fixed this to nRF5, can be written
+
+// Temperature 0-100 C, simulated
+static uint8_t      temperature = 32;
+GattCharacteristic  tempMeas(GattCharacteristic::UUID_TEMPERATURE_MEASUREMENT_CHAR, (uint8_t *)temperature, sizeof(temperature), sizeof(temperature),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
+GattCharacteristic *temperatureChars[] = {&tempMeas };
+// TODO add custom service instead of Heart rate
+GattService         temperatureService(GattService::UUID_HEART_RATE_SERVICE, temperatureChars, sizeof(temperatureChars) / sizeof(GattCharacteristic *));
+
+// SYSTEM
+static char         systemId = 'A';
+GattCharacteristic  systemID(GattCharacteristic::UUID_SYSTEM_ID_CHAR, (uint8_t *)systemId, sizeof(systemId), sizeof(systemId),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *systemChars[] = {&systemID };
+GattService         systemService(GattService::UUID_DEVICE_INFORMATION_SERVICE, systemChars, sizeof(systemChars) / sizeof(GattCharacteristic *));
+
+// MODEL
+static char         model[31] = "Test sensor";
+GattCharacteristic  modelID(GattCharacteristic::UUID_MODEL_NUMBER_STRING_CHAR, (uint8_t *)model, sizeof(model), sizeof(model),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *modelChars[] = {&modelID };
+GattService         modelService(GattService::UUID_DEVICE_INFORMATION_SERVICE, modelChars, sizeof(modelChars) / sizeof(GattCharacteristic *));
+
+// Firmware
+static char         fwversion[31] = "Firmware: 0216";
+GattCharacteristic  fwChars(GattCharacteristic::UUID_FIRMWARE_REVISION_STRING_CHAR, (uint8_t *)fwversion, sizeof(fwversion), sizeof(fwversion),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *firmwareChars[] = {&fwChars };
+GattService         firmwareService(GattService::UUID_DEVICE_INFORMATION_SERVICE, firmwareChars, sizeof(firmwareChars) / sizeof(GattCharacteristic *));
+
+// Software
+static char         swversion[31] = "Sensor build (0001)";
+GattCharacteristic  swChars(GattCharacteristic::UUID_SOFTWARE_REVISION_STRING_CHAR, (uint8_t *)swversion, sizeof(swversion), sizeof(swversion),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *softwareChars[] = {&swChars };
+GattService         softwareService(GattService::UUID_DEVICE_INFORMATION_SERVICE, softwareChars, sizeof(softwareChars) / sizeof(GattCharacteristic *));
+// Hardware
+static char         hwversion[31] = "Sensor hw proto 0";
+GattCharacteristic  hwChars(GattCharacteristic::UUID_HARDWARE_REVISION_STRING_CHAR, (uint8_t *)hwversion, sizeof(hwversion), sizeof(hwversion),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *hardwareChars[] = {&hwChars };
+GattService         hardwareService(GattService::UUID_DEVICE_INFORMATION_SERVICE, hardwareChars, sizeof(hardwareChars) / sizeof(GattCharacteristic *));
+// Manufacturer
+static char         vendor[31] = "Test Company Inc.";
+GattCharacteristic  vendorChars(GattCharacteristic::UUID_MANUFACTURER_NAME_STRING_CHAR, (uint8_t *)vendor, sizeof(vendor), sizeof(vendor),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *manufacturerChars[] = {&vendorChars };
+GattService         manufacturerService(GattService::UUID_DEVICE_INFORMATION_SERVICE, manufacturerChars, sizeof(manufacturerChars) / sizeof(GattCharacteristic *));
+// Serial number
+static char         serial[31] = "1234567890";
+GattCharacteristic  serialChars(GattCharacteristic::UUID_SERIAL_NUMBER_STRING_CHAR, (uint8_t *)serial, sizeof(serial), sizeof(serial),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_READ);
+GattCharacteristic *serialNumberChars[] = {&serialChars };
+GattService         serialNumberService(GattService::UUID_DEVICE_INFORMATION_SERVICE, serialNumberChars, sizeof(serialNumberChars) / sizeof(GattCharacteristic *));
+
+static uint8_t      batteryLevel = 100;
+GattCharacteristic  batteryPercentage(GattCharacteristic::UUID_BATTERY_LEVEL_CHAR, (uint8_t *)batteryLevel, sizeof(batteryLevel), sizeof(batteryLevel),
+                           GattCharacteristic::BLE_GATT_CHAR_PROPERTIES_NOTIFY);
+GattCharacteristic *batteryChars[] = {&batteryPercentage };
+GattService         batteryService(GattService::UUID_BATTERY_SERVICE, batteryChars, sizeof(batteryChars) / sizeof(GattCharacteristic *));
+
+void disconnectionCallback(void)
+{
+    DEBUG("Disconnected!\n\r");
+    DEBUG("Restarting the advertising process\n\r");
+    ble.startAdvertising();
+}
+
+/**
+ * Triggered periodically by the 'ticker' interrupt; updates hrmCounter.
+ */
+void periodicCallback(void)
+{
+    led1 = !led1; /* Do blinky on LED1 while we're waiting for BLE events */
+
+    if (ble.getGapState().connected) {
+        /* Update the battery measurement */
+        batteryLevel--;
+        if (batteryLevel == 1) {
+            batteryLevel = 100;
+        }
+        ble.updateCharacteristicValue(batteryPercentage.getHandle(), &batteryLevel, sizeof(batteryLevel));
+        
+        /* Update the temperature measurement */
+        temperature++;
+        if (temperature == 50) {
+            temperature = 10;
+        }
+        ble.updateCharacteristicValue(tempMeas.getHandle(), &temperature, sizeof(temperature));
+    }
+}
+
+int main(void)
+{
+    led1 = 1;
+    Ticker ticker;
+    ticker.attach(periodicCallback, 1);
+
+    DEBUG("Initialising the nRF51822\n\r");
+    ble.init();
+    ble.onDisconnection(disconnectionCallback);
+
+    /* setup advertising */
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::BREDR_NOT_SUPPORTED);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::LE_GENERAL_DISCOVERABLE);
+    ble.accumulateAdvertisingPayload(GapAdvertisingData::GENERIC_THERMOMETER);
+
+    ble.setAdvertisingType(GapAdvertisingParams::ADV_CONNECTABLE_UNDIRECTED);
+    ble.setAdvertisingInterval(160); /* 1000ms; in multiples of 0.625ms. */
+    ble.startAdvertising();
+
+    ble.addService(batteryService);
+    ble.addService(firmwareService);
+    ble.addService(softwareService);
+    ble.addService(hardwareService);
+    ble.addService(modelService);
+    ble.addService(temperatureService);
+
+    while (true) {
+        ble.waitForEvent();
+    }
+}