MindSensors DIST-Nx constants

DIST_CMD_CUSTOM DIST_CMD_GP2D12 DIST_CMD_GP2D120 DIST_CMD_GP2YA02 DIST_CMD_GP2YA21 DIST_REG_DIST DIST_REG_DIST1 DIST_REG_DIST_MAX DIST_REG_DIST_MIN DIST_REG_MODULE_TYPE DIST_REG_NUM_POINTS DIST_REG_VOLT DIST_REG_VOLT1

#define DIST_CMD_GP2YA21   0x33 Set the DIST-Nx to GP2YA21 mode