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/*********************************************************************
This is an example for our nRF52 based Bluefruit LE modules
Pick one up today in the adafruit shop!
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
MIT license, check LICENSE for more information
All text above, and the splash screen below must be included in
any redistribution
*********************************************************************/
#include <bluefruit.h>
BLEDis bledis;
BLEHidAdafruit blehid;
#define MOVE_STEP 10
void setup()
{
Serial.begin(115200);
while ( !Serial ) delay(10); // for nrf52840 with native usb
Serial.println("Bluefruit52 HID Mouse Example");
Serial.println("-----------------------------\n");
Serial.println("Go to your phone's Bluetooth settings to pair your device");
Serial.println("then open an application that accepts mouse input");
Serial.println();
Serial.println("Enter following characters");
Serial.println("- 'WASD' to move mouse (up, left, down, right)");
Serial.println("- 'LRMBF' to press mouse button(s) (left, right, middle, backward, forward)");
Serial.println("- 'X' to release mouse button(s)");
Bluefruit.begin();
// HID Device can have a min connection interval of 9*1.25 = 11.25 ms
Bluefruit.setConnInterval(9, 16); // min = 9*1.25=11.25 ms, max = 16*1.25=20ms
// Set max power. Accepted values are: -40, -30, -20, -16, -12, -8, -4, 0, 4
Bluefruit.setTxPower(4);
Bluefruit.setName("Bluefruit52");
// Configure and Start Device Information Service
bledis.setManufacturer("Adafruit Industries");
bledis.setModel("Bluefruit Feather 52");
bledis.begin();
// BLE HID
blehid.begin();
// Set up and start advertising
startAdv();
}
void startAdv(void)
{
// Advertising packet
Bluefruit.Advertising.addFlags(BLE_GAP_ADV_FLAGS_LE_ONLY_GENERAL_DISC_MODE);
Bluefruit.Advertising.addTxPower();
Bluefruit.Advertising.addAppearance(BLE_APPEARANCE_HID_MOUSE);
// Include BLE HID service
Bluefruit.Advertising.addService(blehid);
// There is enough room for 'Name' in the advertising packet
Bluefruit.Advertising.addName();
/* Start Advertising
* - Enable auto advertising if disconnected
* - Interval: fast mode = 20 ms, slow mode = 152.5 ms
* - Timeout for fast mode is 30 seconds
* - Start(timeout) with timeout = 0 will advertise forever (until connected)
*
* For recommended advertising interval
* https://developer.apple.com/library/content/qa/qa1931/_index.html
*/
Bluefruit.Advertising.restartOnDisconnect(true);
Bluefruit.Advertising.setInterval(32, 244); // in unit of 0.625 ms
Bluefruit.Advertising.setFastTimeout(30); // number of seconds in fast mode
Bluefruit.Advertising.start(0); // 0 = Don't stop advertising after n seconds
}
void loop()
{
if (Serial.available())
{
char ch = (char) Serial.read();
// convert to upper case
ch = (char) toupper(ch);
// echo
Serial.println(ch);
switch(ch)
{
// WASD to move the mouse
case 'W':
blehid.mouseMove(0, -MOVE_STEP);
break;
case 'A':
blehid.mouseMove(-MOVE_STEP, 0);
break;
case 'S':
blehid.mouseMove(0, MOVE_STEP);
break;
case 'D':
blehid.mouseMove(MOVE_STEP, 0);
break;
// LRMBF for mouse button(s)
case 'L':
blehid.mouseButtonPress(MOUSE_BUTTON_LEFT);
break;
case 'R':
blehid.mouseButtonPress(MOUSE_BUTTON_RIGHT);
break;
case 'M':
blehid.mouseButtonPress(MOUSE_BUTTON_MIDDLE);
break;
case 'B':
blehid.mouseButtonPress(MOUSE_BUTTON_BACKWARD);
break;
case 'F':
// This key is not always supported by every OS
blehid.mouseButtonPress(MOUSE_BUTTON_FORWARD);
break;
case 'X':
// X to release all buttons
blehid.mouseButtonRelease();
break;
default: break;
}
}
}
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