- r -

• RAD_TO_DEG : Arduino.h
• radians : Arduino.h
• REQUEST_CLASS : USBCore.h
• REQUEST_DEVICE : USBCore.h
• REQUEST_DEVICETOHOST : USBCore.h
• REQUEST_DEVICETOHOST_CLASS_INTERFACE : USBCore.h
• REQUEST_DEVICETOHOST_STANDARD_INTERFACE : USBCore.h
• REQUEST_DIRECTION : USBCore.h
• REQUEST_ENDPOINT : USBCore.h
• REQUEST_HOSTTODEVICE : USBCore.h
• REQUEST_HOSTTODEVICE_CLASS_INTERFACE : USBCore.h
• REQUEST_INTERFACE : USBCore.h
• REQUEST_OTHER : USBCore.h
• REQUEST_RECIPIENT : USBCore.h
• REQUEST_STANDARD : USBCore.h
• REQUEST_TYPE : USBCore.h
• REQUEST_VENDOR : USBCore.h
• RISING : Arduino.h
• round : Arduino.h