QB50 System Requirements Document

TITLE: QB50 m-NLP Science Unit Interface Control DocumentDoc. No. MSSL-QB50-ID-12001-DRAFT a5.2 OBC Script CommandsThe following table lists the SCRIPT commands to control the SU operation from theOBC.Command CMD_ID ParametersOBC_SU_ON 0x0F @tOBC_SU_OFF 0xF0 @tOBC_SU_END 0xFF @tSU_STDBY 0x02 LEN, @tSU_RSP 0x03 LEN, @NOWSU_DEPLOY 0x04 LEN, d_time, n_boom, @NOWTBD 0x05 TBDTBD 0x06 TBDTBD 0x07 TBDSU_CONT 0x08 LEN, n_rpt, dwell, %X, V_start, sw_ana, @tSU_BURST 0x09 LEN, $Pn, %X, V_start, sw_ana, @tSU_CAL 0x0A LEN, t_del, n_step, v_step, sw_ana, @tSU_HK 0x0B LEN, HK_TBL_LEN, @tSU_BIAS_EN 0x53 LEN, @tSU_BIAS_DIS 0xC9 LEN, @tTable 5-1 - Science Unit Commands5.3 OBC Script Command Description5.3.1 OBC and SU Specific CommandsAny SCRIPT command prefixed by “OBC_” is an instruction to the OBC, and is NOTsent to the Science Unit.Any SCRIPT command prefixed by “SU_”, together with LEN, and any additionalparameters form the command to be sent to the SU.The time field - “@t” shall be read by the OBC and interpreted as a time code – see5.3.2.Page 13 of 27