Ultrasonic sensor constants

US_CMD_CONTINUOUS US_CMD_EVENTCAPTURE US_CMD_OFF US_CMD_SINGLESHOT US_CMD_WARMRESET US_REG_ACTUAL_ZERO US_REG_CM_INTERVAL US_REG_FACTORY_ACTUAL_ZERO US_REG_FACTORY_SCALE_DIVISOR US_REG_FACTORY_SCALE_FACTOR US_REG_MEASUREMENT_UNITS US_REG_SCALE_DIVISOR US_REG_SCALE_FACTOR

#define US_REG_ACTUAL_ZERO   0x50 The register address used to store the actual zero value