• angle : drivepp.hpp
• distance : drivepp.hpp
• exit_status_t : shellpp.hpp
• frequency_t : uartpp.hpp
• memory_address_t : adcpp.hpp , uartpp.hpp , switchpp.hpp , pingpp.hpp , motorpp.hpp , canpp.hpp
• percent_t : motorpp.hpp
• pin_t : gpio_twiddler.hpp , interruptable.hpp
• ping_status_t : pingpp.hpp
• port_t : gpio_twiddler.hpp , interruptable.hpp
• reload_t : timerpp.hpp
• subtimer_t : timerpp.hpp
• sys_cmd : shellpp.hpp
• timer_t : timerpp.hpp