Diff: mouse_scroll.cpp

Revision:

1:0a97297327eb

Child:

4:8fb54802ba2b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mouse_scroll.cpp	Wed Oct 07 11:54:17 2015 +0100
@@ -0,0 +1,121 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 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 "MouseService.h"
+
+#include "examples_common.h"
+/*
+ * Simplest use of MouseService: scroll up and down when buttons are pressed
+ * To do that, we change wheel speed in HID reports when a button is pushed,
+ * and reset it to 0 when it is released.
+ */
+
+BLE ble;
+
+MouseService *mouseServicePtr;
+static const char DEVICE_NAME[] = "TrivialMouse";
+static const char SHORT_DEVICE_NAME[] = "mouse0";
+
+DigitalOut waiting_led(LED1);
+DigitalOut connected_led(LED2);
+
+InterruptIn button1(BUTTON1);
+InterruptIn button2(BUTTON2);
+
+void button1_down() {
+    mouseServicePtr->setSpeed(0, 0, 1);
+}
+
+void button1_up() {
+    mouseServicePtr->setSpeed(0, 0, 0);
+}
+
+void button2_down() {
+    mouseServicePtr->setSpeed(0, 0, -1);
+}
+
+void button2_up() {
+    mouseServicePtr->setSpeed(0, 0, 0);
+}
+
+
+static void onDisconnect(const Gap::DisconnectionCallbackParams_t *params)
+{
+    HID_DEBUG("disconnected\r\n");
+    connected_led = 0;
+
+    ble.gap().startAdvertising(); // restart advertising
+}
+
+static void onConnect(const Gap::ConnectionCallbackParams_t *params)
+{
+    HID_DEBUG("connected\r\n");
+    waiting_led = 0;
+}
+
+static void waiting() {
+    if (!mouseServicePtr->isConnected())
+        waiting_led = !waiting_led;
+    else
+        connected_led = !connected_led;
+}
+
+int main()
+{
+    Ticker heartbeat;
+
+    button1.rise(button1_up);
+    button1.fall(button1_down);
+    button2.rise(button2_up);
+    button2.fall(button2_down);
+
+    HID_DEBUG("initialising ticker\r\n");
+
+    heartbeat.attach(waiting, 1);
+
+    HID_DEBUG("initialising ble\r\n");
+    ble.init();
+
+    ble.gap().onDisconnection(onDisconnect);
+    ble.gap().onConnection(onConnect);
+
+    initializeSecurity(ble);
+
+    HID_DEBUG("adding hid service\r\n");
+
+    MouseService mouseService(ble);
+    mouseServicePtr = &mouseService;
+
+    HID_DEBUG("adding dev info and battery service\r\n");
+    initializeHOGP(ble);
+
+    HID_DEBUG("setting up gap\r\n");
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::MOUSE);
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
+                                           (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
+    ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
+                                           (uint8_t *)SHORT_DEVICE_NAME, sizeof(SHORT_DEVICE_NAME));
+
+    HID_DEBUG("advertising\r\n");
+    ble.gap().startAdvertising();
+
+    while (true) {
+        ble.waitForEvent();
+    }
+}