pxt-calliope/libs/devices/devices.cpp

#include "pxt.h"
#include "MESEvents.h"

using namespace pxt;

enum class MesCameraEvent {
    //% block="take photo"
    TakePhoto = MES_CAMERA_EVT_TAKE_PHOTO,
    //% block="start video capture"
    StartVideoCapture = MES_CAMERA_EVT_START_VIDEO_CAPTURE,
    //% block="stop video capture"
    StopVideoCapture = MES_CAMERA_EVT_STOP_VIDEO_CAPTURE,
    //% block="toggle front-rear"
    ToggleFrontRear = MES_CAMERA_EVT_TOGGLE_FRONT_REAR,
    //% block="launch photo mode"
    LaunchPhotoMode = MES_CAMERA_EVT_LAUNCH_PHOTO_MODE,
    //% block="launch video mode"
    LaunchVideoMode = MES_CAMERA_EVT_LAUNCH_VIDEO_MODE,
    //% block="stop photo mode"
    StopPhotoMode = MES_CAMERA_EVT_STOP_PHOTO_MODE,
    //% block="stop video mode"
    StopVideoMode = MES_CAMERA_EVT_STOP_VIDEO_MODE,
};

enum class MesAlertEvent {
    //% block="display toast"
    DisplayToast = MES_ALERT_EVT_DISPLAY_TOAST,
    //% block="vibrate"
    Vibrate = MES_ALERT_EVT_VIBRATE,
    //% block="play sound"
    PlaySound = MES_ALERT_EVT_PLAY_SOUND,
    //% block="play ring tone"
    PlayRingtone = MES_ALERT_EVT_PLAY_RINGTONE,
    //% block="find my phone"
    FindMyPhone = MES_ALERT_EVT_FIND_MY_PHONE,
    //% block="ring alarm"
    RingAlarm = MES_ALERT_EVT_ALARM1,
    //% block="ring alarm 2"
    RingAlarm2 = MES_ALERT_EVT_ALARM2,
    //% block="ring alarm 3"
    RingAlarm3 = MES_ALERT_EVT_ALARM3,
    //% block="ring alarm 4"
    RingAlarm4 = MES_ALERT_EVT_ALARM4,
    //% block="ring alarm 5"
    RingAlarm5 = MES_ALERT_EVT_ALARM5,
    //% block="ring alarm 6"
    RingAlarm6 = MES_ALERT_EVT_ALARM6,
};

enum class MesDeviceInfo {
    //% block="incoming call"
    IncomingCall = MES_DEVICE_INCOMING_CALL,
    //% block="incoming message"
    IncomingMessage = MES_DEVICE_INCOMING_MESSAGE,
    //% block="orientation landscape"
    OrientationLandscape = MES_DEVICE_ORIENTATION_LANDSCAPE,
    //% block="orientation portrait"
    OrientationPortrait = MES_DEVICE_ORIENTATION_PORTRAIT,
    //% block="shaken"
    Shaken = MES_DEVICE_GESTURE_DEVICE_SHAKEN,
    //% block="display off"
    DisplayOff = MES_DEVICE_DISPLAY_OFF,
    //% block="display on"
    DisplayOn = MES_DEVICE_DISPLAY_ON,
};

enum class MesRemoteControlEvent {
    //% block="play"
    play = MES_REMOTE_CONTROL_EVT_PLAY,
    //% block="pause"
    pause = MES_REMOTE_CONTROL_EVT_PAUSE,
    //% block="stop"
    stop = MES_REMOTE_CONTROL_EVT_STOP,
    //% block="next track"
    nextTrack = MES_REMOTE_CONTROL_EVT_NEXTTRACK,
    //% block="previous track"
    previousTrack = MES_REMOTE_CONTROL_EVT_PREVTRACK,
    //% block="forward"
    forward = MES_REMOTE_CONTROL_EVT_FORWARD,
    //% block="rewind"
    rewind = MES_REMOTE_CONTROL_EVT_REWIND,
    //% block="volume up"
    volumeUp = MES_REMOTE_CONTROL_EVT_VOLUMEUP,
    //% block="volume down"
    volumeDown = MES_REMOTE_CONTROL_EVT_VOLUMEDOWN,
};

/**
 * Control a phone with the BBC micro:bit via Bluetooth.
 */
//% color=#008272 weight=80 icon="\uf10b"
namespace devices {

    static int _signalStrength = -1;
    static void signalStrengthHandler(MicroBitEvent ev) { 
        // keep in sync with MESEvents.h
        _signalStrength = ev.value - 1; 
    }
    static void initSignalStrength() {
        if (_signalStrength < 0) {
            _signalStrength = 0;
            uBit.messageBus.listen(MES_SIGNAL_STRENGTH_ID, MICROBIT_EVT_ANY, signalStrengthHandler);
        }        
    }
    
    /**
     * Returns the last signal strength reported by the paired device.
     */
    //% help=devices/signal-strength weight=24
    //% blockId=devices_signal_strength block="signal strength" blockGap=14 icon="\uf012" blockGap=14
    int signalStrength() {
        initSignalStrength();
        return _signalStrength;
    }

    /**
     * Registers code to run when the device notifies about a change of signal strength.
     * @param body Code run when the signal strength changes.
     */
    //% weight=23 help=devices/on-signal-strength-changed
    //% blockId=devices_signal_strength_changed_event block="on signal strength changed" icon="\uf012"
    void onSignalStrengthChanged(Action body) {
        initSignalStrength();    
        registerWithDal(MES_SIGNAL_STRENGTH_ID, MICROBIT_EVT_ANY, body);
    }
}