Diff: source/main.cpp

Revision:

0:cfbdc6a35374

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/source/main.cpp	Mon May 01 14:04:51 2017 +0200
@@ -0,0 +1,124 @@
+/* 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 <events/mbed_events.h>
+
+#include <mbed.h>
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "ButtonService.h"
+#include "GroveLedService.h"
+#include "ChainableLED.h"
+
+DigitalOut  led1(LED1, 1);
+InterruptIn button(BLE_BUTTON_PIN_NAME);
+ChainableLED grove_led(D2, D3, 1);
+
+static EventQueue eventQueue(
+    /* event count */ 10 * /* event size */ 32
+);
+
+const static char     DEVICE_NAME[] = "DeviceLinkTest";
+static const uint16_t uuid16_list[] = {ButtonService::BUTTON_SERVICE_UUID, GroveLEDService::LED_SERVICE_UUID};
+
+ButtonService *buttonServicePtr;
+GroveLEDService *ledServicePtr;
+
+static uint8_t button_count = 0;
+
+void buttonPressedCallback(void)
+{
+    eventQueue.call(Callback<void(uint8_t)>(buttonServicePtr, &ButtonService::updateButtonState), ++button_count);
+}
+
+void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
+{
+    BLE::Instance().gap().startAdvertising(); // restart advertising
+}
+
+void blinkCallback(void)
+{
+    led1 = !led1; /* Do blinky on LED1 to indicate system aliveness. */
+}
+
+void onBleInitError(BLE &ble, ble_error_t error)
+{
+    /* Initialization error handling should go here */
+}
+
+/**
+ * This callback allows the LEDService to receive updates to the ledState Characteristic.
+ *
+ * @param[in] params
+ *     Information about the characteristic being updated.
+ */
+void onDataWrittenCallback(const GattWriteCallbackParams *params) {
+    if ((params->handle == ledServicePtr->getValueHandle()) && (params->len >= 3)) {
+        grove_led.setColorRGB(0, params->data[0], params->data[1], params->data[2]);
+    }
+}
+
+void bleInitComplete(BLE::InitializationCompleteCallbackContext *params)
+{
+    BLE&        ble   = params->ble;
+    ble_error_t error = params->error;
+
+    if (error != BLE_ERROR_NONE) {
+        /* In case of error, forward the error handling to onBleInitError */
+        onBleInitError(ble, error);
+        return;
+    }
+
+    /* Ensure that it is the default instance of BLE */
+    if(ble.getInstanceID() != BLE::DEFAULT_INSTANCE) {
+        return;
+    }
+
+    ble.gap().onDisconnection(disconnectionCallback);
+    ble.gattServer().onDataWritten(onDataWrittenCallback);
+
+    button.fall(buttonPressedCallback);
+
+    buttonServicePtr = new ButtonService(ble, 0);
+    ledServicePtr    = new GroveLEDService(ble, 0xff0000);
+
+    /* 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();
+}
+
+void scheduleBleEventsProcessing(BLE::OnEventsToProcessCallbackContext* context) {
+    BLE &ble = BLE::Instance();
+    eventQueue.call(Callback<void()>(&ble, &BLE::processEvents));
+}
+
+int main()
+{
+    grove_led.setColorRGB(0, 0xff, 0, 0); // red
+
+    eventQueue.call_every(500, blinkCallback);
+
+    BLE &ble = BLE::Instance();
+    ble.onEventsToProcess(scheduleBleEventsProcessing);
+    ble.init(bleInitComplete);
+
+    eventQueue.dispatch_forever();
+
+    return 0;
+}