BT459_WRITE
BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_0, 0x40);
BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_1, 0x00);
BT459_WRITE(par, BT459_REG_ACC, BT459_CMD_REG_2,
BT459_WRITE(par, BT459_REG_ACC, BT459_CUR_CMD_REG, 0x00);