pub fn register_listener(sensor: *mut sensor, listener: sensor_listener) -> MynewtResult<()> {  //  Returns an error code upon error. 
    //  If this is a Wrapped Sensor Listener, register the associated Sensor Listener with Mynewt.
    let mut arg = MAX_SENSOR_LISTENERS + 1;
    //  Find a matching `sensor_listener_info`
    for i in 0 .. MAX_SENSOR_LISTENERS {
        let info = unsafe { SENSOR_LISTENERS[i] };        
        if  listener.sl_sensor_type == info.listener.sl_sensor_type &&
            listener.sl_func        == info.listener.sl_func &&
            listener.sl_arg         == info.listener.sl_arg {
            arg = i;  //  Found the match
            break;
        }
    }
    if arg < MAX_SENSOR_LISTENERS {
        //  Found the Wrapped Sensor Listener. Register the associated Sensor Listener with Mynewt.
        //  Pass the associated listener to the unsafe Mynewt API.
        unsafe { sensor_register_listener(sensor, &mut SENSOR_LISTENERS[arg].listener) };
    } else {
        //  TODO: Allocate a Wrapped Sensor Listener.
        //  If not found, copy the listener and register the copied Sensor Listener with Mynewt.
        unsafe { assert_eq!(LISTENER_INTERNAL.sl_sensor_type, 0, "reg lis") };  //  Make sure it's not used.
        //  Copy the caller's listener to the internal listener.
        unsafe { LISTENER_INTERNAL = listener };
        //  Pass the internal listener to the unsafe Mynewt API.
        unsafe { sensor_register_listener(sensor, &mut LISTENER_INTERNAL) };
    }
    Ok(())
}
///  Register a sensor listener. This allows a calling application to receive
///  callbacks for data from a given sensor object. This is the safe version of `sensor_register_listener()`
///  that copies the listener locally before passing to Mynewt.
///  For more information on the type of callbacks available, see the documentation
///  for the sensor listener structure.
///  `sensor`: The sensor to register a listener on.
///  `listener`: The listener to register onto the sensor.
///  Returns `Ok()` on success, `Err()` containing `MynewtError` error code on failure.
Register a sensor listener. This allows a calling application to receive
callbacks for data from a given sensor object. This is the safe version of `sensor_register_listener()`
that copies the listener locally before passing to Mynewt.
For more information on the type of callbacks available, see the documentation
for the sensor listener structure.
`sensor`: The sensor to register a listener on.
`listener`: The listener to register onto the sensor.
Register a sensor listener . This allows a calling application to receive callbacks for data from a given sensor object . This is the safe version of ` sensor_register_listener () ` that copies the listener locally before passing to Mynewt . For more information on the type of callbacks available see the documentation for the sensor listener structure . ` sensor ` : The sensor to register a listener on . ` listener ` : The listener to register onto the sensor .
pub fn register_listener(sensor: *mut sensor, listener: sensor_listener) -> MynewtResult<()> {  //  Returns an error code upon error. 
    //  If this is a Wrapped Sensor Listener, register the associated Sensor Listener with Mynewt.
    let mut arg = MAX_SENSOR_LISTENERS + 1;
    //  Find a matching `sensor_listener_info`
    for i in 0 .. MAX_SENSOR_LISTENERS {
        let info = unsafe { SENSOR_LISTENERS[i] };        
        if  listener.sl_sensor_type == info.listener.sl_sensor_type &&
            listener.sl_func        == info.listener.sl_func &&
            listener.sl_arg         == info.listener.sl_arg {
            arg = i;  //  Found the match
            break;
        }
    }
    if arg < MAX_SENSOR_LISTENERS {
        //  Found the Wrapped Sensor Listener. Register the associated Sensor Listener with Mynewt.
        //  Pass the associated listener to the unsafe Mynewt API.
        unsafe { sensor_register_listener(sensor, &mut SENSOR_LISTENERS[arg].listener) };
    } else {
        //  TODO: Allocate a Wrapped Sensor Listener.
        //  If not found, copy the listener and register the copied Sensor Listener with Mynewt.
        unsafe { assert_eq!(LISTENER_INTERNAL.sl_sensor_type, 0, "reg lis") };  //  Make sure it's not used.
        //  Copy the caller's listener to the internal listener.
        unsafe { LISTENER_INTERNAL = listener };
        //  Pass the internal listener to the unsafe Mynewt API.
        unsafe { sensor_register_listener(sensor, &mut LISTENER_INTERNAL) };
    }
    Ok(())
}
pub fn register_listener ( sensor : * mut sensor , listener : sensor_listener ) -> MynewtResult < ( ) > { //  Returns an error code upon error.  //  If this is a Wrapped Sensor Listener, register the associated Sensor Listener with Mynewt. let mut arg = MAX_SENSOR_LISTENERS + 1 ; //  Find a matching `sensor_listener_info` for i in 0 .. MAX_SENSOR_LISTENERS { let info = unsafe { SENSOR_LISTENERS [ i ] } ; if listener . sl_sensor_type == info . listener . sl_sensor_type && listener . sl_func == info . listener . sl_func && listener . sl_arg == info . listener . sl_arg { arg = i ; //  Found the match break ; } } if arg < MAX_SENSOR_LISTENERS { //  Found the Wrapped Sensor Listener. Register the associated Sensor Listener with Mynewt. //  Pass the associated listener to the unsafe Mynewt API. unsafe { sensor_register_listener ( sensor , & mut SENSOR_LISTENERS [ arg ] . listener ) } ; } else { //  TODO: Allocate a Wrapped Sensor Listener. //  If not found, copy the listener and register the copied Sensor Listener with Mynewt. unsafe { assert_eq ! ( LISTENER_INTERNAL sl_sensor_type 0 " " ) } ; //  Make sure it's not used. //  Copy the caller's listener to the internal listener. unsafe { LISTENER_INTERNAL = listener } ; //  Pass the internal listener to the unsafe Mynewt API. unsafe { sensor_register_listener ( sensor , & mut LISTENER_INTERNAL ) } ; } Ok ( ( ) ) }
Register a sensor listener.
Register a sensor listener .
sensor
*mut sensor
listener
sensor_listener
sensor
*mut sensor
listener
sensor_listener