Binder from C++ or another language. Explain to students why each step is necessary. 1. Create an instance of your service type (BirthdayService). 2. Wrap the service object in corresponding Bn* type (BnBirthdayService implement drivers in terms of these traits, e.g. an accelerometer driver might need an I2C or SPI device instance. • The traits cover using the peripherals but not initialising or configuring them, as initialisation gic = unsafe { GicV3::new(GICD_BASE_ADDRESS, GICR_BASE_ADDRESS) }; gic.setup(); // TODO: Create instance of RTC driver and print current time. // TODO: Wait for 3 seconds. system_off::().unwrap();

(optionally a #color may follow this) • -- Deactivate the source • ** Create an instance of the target • !! Destroy an instance of the target @startuml alice -> bob ++ : hello bob -> bob ++ : self call bob

(optionally a #color may follow this) • -- Deactivate the source • ** Create an instance of the target • !! Destroy an instance of the target @startuml alice -> bob ++ : hello bob -> bob ++ : self call bob

• ** Create an instance of the target Guía de Referencia del Lenguaje PlantUML (1.2021.2) 20 / 388 1.28 Mensajes entrantes y salientes 1 DIAGRAMA DE SECUENCIA • !! Destroy an instance of the target

• ** Create an instance of the target Guía de Referencia del Lenguaje PlantUML (1.2021.1) 20 / 383 1.28 Mensajes entrantes y salientes 1 DIAGRAMA DE SECUENCIA • !! Destroy an instance of the target

Activate the target (optionally a #color may follow this) • -- Deactivate the source • ** Create an instance of the target Guía de Referencia del Lenguaje PlantUML (1.2021.2) 20 / 406 1.27 Shortcut syntax syntax for activation, deactivation, creation 1 DIAGRAMA DE SECUENCIA • !! Destroy an instance of the target @startuml alice -> bob ++ : hello bob -> bob ++ : self call bob -> bib ++ #005500 : hello bob

(optionally a color may follow this) • -- Deactivate the source • ** Create an instance of the target • !! Destroy an instance of the target @startuml Guía de Referencia del Lenguaje PlantUML (1.2023.11)