# -*- coding: utf-8 -*- """ @file ccsds_handler.py @brief Test commanding of CCSDS Handler @author J. Meier @date 20.11.2021 """ import struct from tmtccmd.config.definitions import QueueCommands from tmtccmd.tc.packer import TcQueueT from spacepackets.ecss.tc import PusTelecommand class CommandIds: # Configures input rate of syrlinks to 400 Khz (results in downlink rate of 200 kbps) SET_LOW_RATE = 0 # Configures input rate of syrlinks to 2000 Khz (results in downlink rate of 1000 kbps) SET_HIGH_RATE = 1 # Enables the syrlinks transmitter (by using RS485 enables lines) EN_TRANSMITTER = 2 # Disables the syrlinks transmitter (by using RS485 enables lines) DIS_TRANSMITTER = 3 # Sets an arbitrary bitrate. Normally only set low and set high rate commands should be # required ARBITRARY_BITRATE = 4 ENABLE_TX_CLK_MANIPULATOR = 5 DISABLE_TX_CLK_MANIPULATOR = 6 # Tx data will be updated on rising edge of tx clock UPDATE_ON_RISING_EDGE = 7 # Tx data will be updated on falling edge of tx clock UPDATE_ON_FALLING_EDGE = 8 def pack_ccsds_handler_test( object_id: bytearray, tc_queue: TcQueueT, op_code: str ) -> TcQueueT: tc_queue.appendleft( ( QueueCommands.PRINT, "Testing CCSDS handler with object id: 0x" + object_id.hex(), ) ) if op_code == "0": tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set low rate")) command = object_id + struct.pack("!I", CommandIds.SET_LOW_RATE) command = PusTelecommand(service=8, subservice=128, ssc=20, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "1": tc_queue.appendleft((QueueCommands.PRINT, "CCSDS Handler: Set high rate")) command = object_id + struct.pack("!I", CommandIds.SET_HIGH_RATE) command = PusTelecommand(service=8, subservice=128, ssc=21, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "2": tc_queue.appendleft( (QueueCommands.PRINT, "CCSDS Handler: Enables the transmitter") ) command = object_id + struct.pack("!I", CommandIds.EN_TRANSMITTER) command = PusTelecommand(service=8, subservice=128, ssc=22, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "3": tc_queue.appendleft( (QueueCommands.PRINT, "CCSDS Handler: Disables the transmitter") ) command = object_id + struct.pack("!I", CommandIds.DIS_TRANSMITTER) command = PusTelecommand(service=8, subservice=128, ssc=23, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "4": tc_queue.appendleft( (QueueCommands.PRINT, "CCSDS Handler: Set arbitrary bitrate") ) bitrate = int(input("Specify bit rate (bps): ")) command = ( object_id + struct.pack("!I", CommandIds.ARBITRARY_BITRATE) + struct.pack("!I", bitrate) ) command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "5": tc_queue.appendleft( (QueueCommands.PRINT, "CCSDS Handler: Enable tx clock manipulator") ) command = object_id + struct.pack("!I", CommandIds.ENABLE_TX_CLK_MANIPULATOR) command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "6": tc_queue.appendleft( (QueueCommands.PRINT, "CCSDS Handler: Disable tx clock manipulator") ) command = object_id + struct.pack("!I", CommandIds.DISABLE_TX_CLK_MANIPULATOR) command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "7": tc_queue.appendleft( ( QueueCommands.PRINT, "CCSDS Handler: Update tx data on rising edge of tx clock", ) ) command = object_id + struct.pack("!I", CommandIds.UPDATE_ON_RISING_EDGE) command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) if op_code == "8": tc_queue.appendleft( ( QueueCommands.PRINT, "CCSDS Handler: Update tx data on falling edge of tx clock", ) ) command = object_id + struct.pack("!I", CommandIds.UPDATE_ON_FALLING_EDGE) command = PusTelecommand(service=8, subservice=128, ssc=24, app_data=command) tc_queue.appendleft(command.pack_command_tuple()) return tc_queue