Shahariar Hossain / Mbed 2 deprecated microbit_mouse_BLE

BLE mouse with uBit ( still some issues to resolve )

Dependencies:   BLE_API mbed nRF51822

Fork of microbit_presenter by micro:bit

keyboard_stream.cpp@1:9e174f8fd9e9, 2016-08-31 (annotated)

Committer:
JonnyA
Date:
Wed Aug 31 18:59:58 2016 +0000
Revision:
1:9e174f8fd9e9
Parent:
0:cb1939018833 
Add fix from v0.4, while we work out how to properly keep GitHub in sync;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
JonnyA 0:cb1939018833 1 /* mbed Microcontroller Library
JonnyA 0:cb1939018833 2 * Copyright (c) 2015 ARM Limited
JonnyA 0:cb1939018833 3 *
JonnyA 0:cb1939018833 4 * Licensed under the Apache License, Version 2.0 (the "License");
JonnyA 0:cb1939018833 5 * you may not use this file except in compliance with the License.
JonnyA 0:cb1939018833 6 * You may obtain a copy of the License at
JonnyA 0:cb1939018833 7 *
JonnyA 0:cb1939018833 8 * http://www.apache.org/licenses/LICENSE-2.0
JonnyA 0:cb1939018833 9 *
JonnyA 0:cb1939018833 10 * Unless required by applicable law or agreed to in writing, software
JonnyA 0:cb1939018833 11 * distributed under the License is distributed on an "AS IS" BASIS,
JonnyA 0:cb1939018833 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
JonnyA 0:cb1939018833 13 * See the License for the specific language governing permissions and
JonnyA 0:cb1939018833 14 * limitations under the License.
JonnyA 0:cb1939018833 15 */
JonnyA 0:cb1939018833 16
JonnyA 0:cb1939018833 17 #include "mbed.h"
JonnyA 0:cb1939018833 18
JonnyA 0:cb1939018833 19 #include "ble/BLE.h"
JonnyA 0:cb1939018833 20 #include "KeyboardService.h"
JonnyA 0:cb1939018833 21
JonnyA 0:cb1939018833 22 #include "examples_common.h"
JonnyA 0:cb1939018833 23
JonnyA 0:cb1939018833 24 /**
JonnyA 0:cb1939018833 25 * This program implements a complete HID-over-Gatt Profile:
JonnyA 0:cb1939018833 26 * - HID is provided by KeyboardService
JonnyA 0:cb1939018833 27 * - Battery Service
JonnyA 0:cb1939018833 28 * - Device Information Service
JonnyA 0:cb1939018833 29 *
JonnyA 0:cb1939018833 30 * Complete strings can be sent over BLE using printf. Please note, however, than a 12char string
JonnyA 0:cb1939018833 31 * will take about 500ms to transmit, principally because of the limited notification rate in BLE.
JonnyA 0:cb1939018833 32 * KeyboardService uses a circular buffer to store the strings to send, and calls to putc will fail
JonnyA 0:cb1939018833 33 * once this buffer is full. This will result in partial strings being sent to the client.
JonnyA 0:cb1939018833 34 */
JonnyA 1:9e174f8fd9e9 35
JonnyA 1:9e174f8fd9e9 36 //The micro:bit has a matrixed display, this is a simple way to use some LEDs on it
JonnyA 1:9e174f8fd9e9 37 DigitalOut col9(P0_12, 0);
JonnyA 0:cb1939018833 38
JonnyA 1:9e174f8fd9e9 39 DigitalOut waiting_led(P0_13);
JonnyA 1:9e174f8fd9e9 40 DigitalOut connected_led(P0_15);
JonnyA 0:cb1939018833 41
JonnyA 0:cb1939018833 42 InterruptIn button1(BUTTON_A);
JonnyA 0:cb1939018833 43 InterruptIn button2(BUTTON_B);
JonnyA 0:cb1939018833 44
JonnyA 0:cb1939018833 45 BLE ble;
JonnyA 0:cb1939018833 46 KeyboardService *kbdServicePtr;
JonnyA 0:cb1939018833 47
JonnyA 1:9e174f8fd9e9 48 static const char DEVICE_NAME[] = "micro:bit Presenter";
JonnyA 0:cb1939018833 49 static const char SHORT_DEVICE_NAME[] = "kbd1";
JonnyA 0:cb1939018833 50
JonnyA 0:cb1939018833 51 static void onDisconnect(const Gap::DisconnectionCallbackParams_t *params)
JonnyA 0:cb1939018833 52 {
JonnyA 0:cb1939018833 53 HID_DEBUG("disconnected\r\n");
JonnyA 0:cb1939018833 54 connected_led = 0;
JonnyA 0:cb1939018833 55
JonnyA 0:cb1939018833 56 ble.gap().startAdvertising(); // restart advertising
JonnyA 0:cb1939018833 57 }
JonnyA 0:cb1939018833 58
JonnyA 0:cb1939018833 59 static void onConnect(const Gap::ConnectionCallbackParams_t *params)
JonnyA 0:cb1939018833 60 {
JonnyA 0:cb1939018833 61 HID_DEBUG("connected\r\n");
JonnyA 0:cb1939018833 62 waiting_led = false;
JonnyA 0:cb1939018833 63 }
JonnyA 0:cb1939018833 64
JonnyA 0:cb1939018833 65 static void waiting() {
JonnyA 0:cb1939018833 66 if (!kbdServicePtr->isConnected())
JonnyA 0:cb1939018833 67 waiting_led = !waiting_led;
JonnyA 0:cb1939018833 68 else
JonnyA 0:cb1939018833 69 connected_led = !connected_led;
JonnyA 0:cb1939018833 70 }
JonnyA 0:cb1939018833 71
JonnyA 0:cb1939018833 72 void send_string(const char * c) {
JonnyA 0:cb1939018833 73 if (!kbdServicePtr)
JonnyA 0:cb1939018833 74 return;
JonnyA 0:cb1939018833 75
JonnyA 0:cb1939018833 76 if (!kbdServicePtr->isConnected()) {
JonnyA 0:cb1939018833 77 HID_DEBUG("we haven't connected yet...");
JonnyA 0:cb1939018833 78 } else {
JonnyA 0:cb1939018833 79 int len = strlen(c);
JonnyA 0:cb1939018833 80 kbdServicePtr->printf(c);
JonnyA 0:cb1939018833 81 HID_DEBUG("sending %d chars\r\n", len);
JonnyA 0:cb1939018833 82 }
JonnyA 0:cb1939018833 83 }
JonnyA 0:cb1939018833 84
JonnyA 0:cb1939018833 85 void send_stuff() {
JonnyA 0:cb1939018833 86 send_string("n");
JonnyA 0:cb1939018833 87 }
JonnyA 0:cb1939018833 88
JonnyA 0:cb1939018833 89 void send_more_stuff() {
JonnyA 0:cb1939018833 90 send_string("p");
JonnyA 0:cb1939018833 91 }
JonnyA 0:cb1939018833 92
JonnyA 0:cb1939018833 93 int main()
JonnyA 0:cb1939018833 94 {
JonnyA 0:cb1939018833 95 Ticker heartbeat;
JonnyA 0:cb1939018833 96
JonnyA 0:cb1939018833 97 button1.rise(send_stuff);
JonnyA 0:cb1939018833 98 button2.rise(send_more_stuff);
JonnyA 0:cb1939018833 99
JonnyA 0:cb1939018833 100 HID_DEBUG("initialising ticker\r\n");
JonnyA 0:cb1939018833 101
JonnyA 0:cb1939018833 102 heartbeat.attach(waiting, 1);
JonnyA 0:cb1939018833 103
JonnyA 0:cb1939018833 104 HID_DEBUG("initialising ble\r\n");
JonnyA 0:cb1939018833 105 ble.init();
JonnyA 0:cb1939018833 106
JonnyA 0:cb1939018833 107 ble.gap().onDisconnection(onDisconnect);
JonnyA 0:cb1939018833 108 ble.gap().onConnection(onConnect);
JonnyA 0:cb1939018833 109
JonnyA 0:cb1939018833 110 initializeSecurity(ble);
JonnyA 0:cb1939018833 111
JonnyA 0:cb1939018833 112 HID_DEBUG("adding hid service\r\n");
JonnyA 0:cb1939018833 113 KeyboardService kbdService(ble);
JonnyA 0:cb1939018833 114 kbdServicePtr = &kbdService;
JonnyA 0:cb1939018833 115
JonnyA 0:cb1939018833 116 HID_DEBUG("adding device info and battery service\r\n");
JonnyA 0:cb1939018833 117 initializeHOGP(ble);
JonnyA 0:cb1939018833 118
JonnyA 0:cb1939018833 119 HID_DEBUG("setting up gap\r\n");
JonnyA 0:cb1939018833 120 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD);
JonnyA 0:cb1939018833 121 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::COMPLETE_LOCAL_NAME,
JonnyA 0:cb1939018833 122 (uint8_t *)DEVICE_NAME, sizeof(DEVICE_NAME));
JonnyA 0:cb1939018833 123 ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::SHORTENED_LOCAL_NAME,
JonnyA 0:cb1939018833 124 (uint8_t *)SHORT_DEVICE_NAME, sizeof(SHORT_DEVICE_NAME));
JonnyA 1:9e174f8fd9e9 125 ble.gap().setDeviceName((const uint8_t *)DEVICE_NAME);
JonnyA 0:cb1939018833 126
JonnyA 0:cb1939018833 127 HID_DEBUG("advertising\r\n");
JonnyA 0:cb1939018833 128 ble.gap().startAdvertising();
JonnyA 0:cb1939018833 129
JonnyA 0:cb1939018833 130 while (true) {
JonnyA 0:cb1939018833 131 ble.waitForEvent();
JonnyA 0:cb1939018833 132 }
JonnyA 0:cb1939018833 133 }
JonnyA 0:cb1939018833 134