ascot2e_set_reg_bits
ascot2e_set_reg_bits(priv, 0x05, data[0], 0x1c);
ascot2e_set_reg_bits(priv, 0x0c, 0x90, 0xb0);
ascot2e_set_reg_bits(priv, 0x0C, 0x00, 0x30);