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BLE mouse with uBit ( still some issues to resolve )
Dependencies: BLE_API microbit_ble_mouse mbed nRF51822
Fork of microbit_mouse_BLE by
main.cpp
- Committer:
- suntopbd
- Date:
- 2018-05-27
- Revision:
- 5:c1e87a1869cd
- Parent:
- 4:b58633511f96
File content as of revision 5:c1e87a1869cd:
/* 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 "HIDServiceBase.h" //#include "KeyboardService.h" #include "MouseService.h" #include "examples_common.h" #include "MMA8652.h" // accelerometer //Serial pc(USBTX, USBRX); /** * This program implements a complete //////////////////////////HID-over-Gatt Profile: * - //////HID is provided by MouseService * - Battery Service * - Device Information Service */ //The micro:bit has a matrixed display, this is a simple way to use some LEDs on it // turn off LED saves 1 mA current DigitalOut col9(P0_12, 0); //DigitalOut waiting_led(P0_13); //DigitalOut connected_led(P0_15); MMA8652 accelerometer(P0_20, P0_19); // i2c pin assign //I2C i2c(P0_19, P0_20); //const int accel_addr = 0x3A; ButtonState click; MouseButton LR; int Xpos = 0;int Ypos = 0; int OldXpos = 0; int OldYpos = 0; int dX = 0; int dY = 0; float accelerometer_data[3]; float x,y,z; Ticker movement,timeout ; InterruptIn button1(BUTTON_A); InterruptIn button2(BUTTON_B); BLE ble; //KeyboardService *kbdServicePtr; //MouseService musServicePtr(ble); MouseService *musServicePtr; static const char DEVICE_NAME[] = "micro:bit_BLE_Mouse"; static const char SHORT_DEVICE_NAME[] = "uBit-mUs"; 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 stop_mouse_move(void) { // Set mouse state to immobile // musServicePtr->.setButton(MOUSE_BUTTON_LEFT, MOUSE_UP); if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { musServicePtr->setSpeed(0, 0, 0); } } void start_mouse_move(void) { // Move left with a left button down. If the focus is on a drawing // software, for instance, this should draw a line. // mouse.setButton(MOUSE_BUTTON_LEFT, MOUSE_DOWN); musServicePtr->setSpeed(0, 0, 0); // timeout.attach(stop_mouse_move, 0.2); } void register_Lclick() { // send click left if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { LR = MOUSE_BUTTON_LEFT; click = BUTTON_DOWN; musServicePtr->setButton(LR,click); } } void register_Rclick() { // send click rightLR = MOUSE_BUTTON_LEFT; if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { LR = MOUSE_BUTTON_RIGHT; click = BUTTON_DOWN; musServicePtr->setButton(LR,click); } } void register_Lclick_release() { // send click left_release if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { LR = MOUSE_BUTTON_LEFT; click = BUTTON_UP; musServicePtr->setButton(LR,click); } } void register_Rclick_release() { // send click right_release if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { LR = MOUSE_BUTTON_RIGHT; click = BUTTON_UP; musServicePtr->setButton(LR,click); } } void stop_mouse_movement() { musServicePtr->setSpeed(0, 0, 0); } void register_mouse_movement() { if (!musServicePtr) return; if (!musServicePtr->isConnected()) { //////HID_DEBUG("we haven't connected yet...\n"); } else { accelerometer.ReadXYZ(accelerometer_data); x = accelerometer_data[0]; y = accelerometer_data[1]; z = accelerometer_data[2]; // do some math to adjust movement Xpos = x*50.0; Ypos = y*50.0; // float to int conv dX = abs(Xpos - OldXpos); dY = abs(Ypos - OldYpos); OldXpos = Xpos; OldYpos = Ypos; musServicePtr->setSpeed(dX, dY, 0); dX=0;dY=0; timeout.attach(stop_mouse_movement, 0.001); } } int main() { Ticker heartbeat; button1.rise(register_Lclick); button2.rise(register_Rclick); button1.fall(register_Lclick_release); button2.fall(register_Rclick_release); heartbeat.attach(waiting, 1); ble.init(); ble.gap().onDisconnection(onDisconnect); ble.gap().onConnection(onConnect); initializeSecurity(ble); initializeHOGP(ble); 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); ble.gap().startAdvertising(); wait(10); // movement.attach(®ister_mouse_movement, 0.05); while (true) { register_mouse_movement(); ble.waitForEvent(); /// make the following a separate periodic ticker //accelerometer.ReadXYZ(accelerometer_data); // x = accelerometer_data[0]; // y = accelerometer_data[1]; // z = accelerometer_data[2]; } }