BLE mouse with uBit ( still some issues to resolve )
Dependencies: BLE_API mbed nRF51822
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Diff: main.cpp
- Revision:
- 3:7036de769c32
diff -r fd2697cadbd3 -r 7036de769c32 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Sun May 27 13:57:09 2018 +0000 @@ -0,0 +1,130 @@ +/* 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 "KeyboardService.h" +#include "MouseService.h" +#include "examples_common.h" + +/** + * This program implements a complete HID-over-Gatt Profile: + * - HID is provided by MouseService + * - Battery Service + * - Device Information Service + * + * Complete strings can be sent over BLE using printf. Please note, however, than a 12char string + * will take about 500ms to transmit, principally because of the limited notification rate in BLE. + * KeyboardService uses a circular buffer to store the strings to send, and calls to putc will fail + * once this buffer is full. This will result in partial strings being sent to the client. + */ + + //The micro:bit has a matrixed display, this is a simple way to use some LEDs on it +//DigitalOut col9(P0_12, 0); + +//DigitalOut waiting_led(P0_13); +//DigitalOut connected_led(P0_15); + +InterruptIn button1(BUTTON_A); +InterruptIn button2(BUTTON_B); + +BLE ble; +//KeyboardService *kbdServicePtr; +MouseService *musServicePtr; +static const char DEVICE_NAME[] = "micro:bit BLE Mouse"; +static const char SHORT_DEVICE_NAME[] = "BT Mouse"; + +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 = false; +} + +static void waiting() { + if (!musServicePtr->isConnected()) + {}// waiting_led = !waiting_led; + else + {}// connected_led = !connected_led; +} + +void send_string(const char * c) { + if (!musServicePtr) + return; + + if (!musServicePtr->isConnected()) { + HID_DEBUG("we haven't connected yet..."); + } else { + // int len = strlen(c); + // do somethung here to make mouse work + // kbdServicePtr->printf(c); + // HID_DEBUG("sending %d chars\r\n", len); + } +} + +void send_stuff() { + // send click left + // send_string("n"); +} + +void send_more_stuff() { + // send click right + // send_string("p"); +} + +int main() +{ + Ticker heartbeat; + + button1.rise(send_stuff); + button2.rise(send_more_stuff); + + 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 musService(ble); + musServicePtr = &musService; + HID_DEBUG("adding device info and battery service\r\n"); + initializeHOGP(ble); + HID_DEBUG("setting up gap\r\n"); +// ble.gap().accumulateAdvertisingPayload(GapAdvertisingData::KEYBOARD); + 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)); + ble.gap().setDeviceName((const uint8_t *)DEVICE_NAME); + HID_DEBUG("advertising\r\n"); + ble.gap().startAdvertising(); + + while (true) + { + ble.waitForEvent(); + } +} +