mirror of
https://github.com/nasa/trick.git
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178 lines
6.1 KiB
Markdown
178 lines
6.1 KiB
Markdown
# Under Construction!
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I just want to know how to do things in the input file:
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## Simulation Controls
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```python
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# Set a simulation stop time. default 9x10e18
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trick.stop(<time>)
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trick.exec_set_terminate_time(<time>)
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# Set a initial simulation time. default 0.0 Rarely used.
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trick.exec_set_time(<time>)
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# Start simulation in freeze mode. default False
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trick.exec_set_freeze_command(True|False)
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# Freeze only when simulation reaches end of software frame. default False
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trick.exec_set_freeze_on_frame_boundary(True|False)
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# Set <CTRL-C> to toggle sim to freeze/run. default False
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trick.exec_set_enable_freeze(True|False)
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# Set the number of time divisions (tics) in a second. default 1000000
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trick.exec_set_time_tic_value(<num_tics>)
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# Set the software frame. default 1.0
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trick.exec_set_software_frame(<time>)
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# Set the software frame while in freeze mode. default 1.0
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trick.exec_set_freeze_frame(<time>)
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# Release the processor for an instant while waiting on events. default True
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trick.exec_set_rt_nap(True|False)
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# Process a string of commands at a later simulation time
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trick.add_read(<time>,"<command string>")
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```
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## SimObject and Job control
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```python
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# Several calls use an instance_num parameter. If jobs have the same name in a sim_object they will be numbered with an instance_num. instance_num starts at 1. Unique job names will have instance_num = 1
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# Turn a simobject on/off
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trick.exec_set_sim_object_onoff(<sim_object_name>, True|False)
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<sim_object>.enable()
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<sim_object>.disable()
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# Finding a job by name
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trick.exec_get_job(<job_name>, <instance_num>)
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# Turn a job on/off.
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trick.exec_set_job_onoff(<job_name>, <instance_num>, True|False)
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trick.exec_get_job(<job_name>, <instance_num>).enable()
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trick.exec_get_job(<job_name>, <instance_num>).disable()
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# Set a job cycle
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trick.exec_set_job_cycle(<job_name>, <instance_num>, <cycle>)
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```
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## Debugging
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```python
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# Turn on/off echoing job names as they are executed.
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trick.echo_jobs_on()
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trick.echo_jobs_off()
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# Turn on/off pausing execution before each job is run
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trick.debug_pause_on()
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trick.debug_pause_off()
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trick.debug_pause_signal() # signal sim to advance to next job while paused.
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# Print stack trace if signal is caught. default True
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trick.exec_set_stack_trace(True|False)
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# Attach a debugger to the process if a signal is caught. default False
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trick.exec_set_attach_debugger(True|False)
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# Debugger command to use when attaching. default "gdb"
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trick.exec_set_debugger_command(<command_string>)
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# Trap SIGBUS signals. default True
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trick.exec_set_trap_sigbus(True|False)
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# Trap SIGFPE signals. default False
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trick.exec_set_trap_sigfpe(True|False)
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# Trap SIGSEGV signals. default True
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trick.exec_set_trap_sigsegv(True|False)
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```
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## Checkpointing
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```python
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# Save a checkpoint before the initialization jobs execute. default False
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trick.checkpoint_pre_init(True|False)
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# Save a checkpoint after the initialization jobs execute. default False
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trick.checkpoint_post_init(True|False)
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# Save a checkpoint when the simulation ends. default False
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trick.checkpoint_end(True|False)
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# Save a checkpoint at a time in the future
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trick.checkpoint(<time>)
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# Save a checkpoint now
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trick.checkpoint()
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# Set the CPU to use for checkpoints
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trick.checkpoint_cpu(<cpu_num>)
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# Save a checkpoint periodically during simulation execution. default False
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trick.checkpoint_safestore_set_enabled(True|False)
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# Set the safestore checkpoint period. default 9x10e18
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trick.checkpoint_safestore(<period>)
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```
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## Data Recording
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```python
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# create a new data recording group
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drg = trick.DRAscii(<group_name>)
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drg = trick.DRBinary(<group_name>)
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drg = trick.DRHDF5(<group_name>)
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# add parameter to data recording group
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drg.add_variable(<var_name>
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# Set cycle rate of recording. default 0.1
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drg.set_cycle(<period>)
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# Set recording frequency
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# <freq> = trick.DR_Always | trick.DR_Changes | trick.DR_Changes_Step
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drg.freq = <freq>
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# Set the job class of recording job. default "logging"
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drg.set_job_class(<job_class_name>)
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# Set the execution phase of the recording job. default 60000
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drg.set_phase(<phase_num>)
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# Set execution thread to record on. default 0
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drg.set_thread(<thread_id>)
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# Set floating point recording to single or double position. default False
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drg.set_single_prec_only(True|False)
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# Enable (dynamically) the data recording group
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drg.enable()
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# Disable (dynamically) the data recording group
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drg.disable()
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# Add recording group to simulation
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# <buffering> = trick.DR_Buffer | trick.DR_No_Buffer | trick.Ring_Buffer | trick.Thread_Buffer
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trick.add_data_record_group( drg , <buffering>)
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```
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## Memory Allocation
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```python
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# return the address of a variable by name
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trick.get_address(<var_name>)
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```
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## Realtime
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```python
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# Enable real time
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trick.real_time_enable()
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# Disable real time
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trick.real_time_disable()
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# Lock all process memory into RAM.
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trick.exec_set_lock_memory(True|False)
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```
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## Thread Control
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```python
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# Sets the thread rendezvous cycle time. default 1.0
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trick.exec_set_thread_amf_cycle_time(<thread_id>, <cycle_time>)
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# Sets the thread rendezvous cycle time (same as exec_set_thread_amf_cycle_time). default 1.0
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trick.exec_set_thread_async_cycle_time(<thread_id>, <cycle_time>)
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# Wait for asynchronous thread to complete before terminating simulation. default False
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trick.exec_set_thread_async_wait(<thread_id>, True|False)
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# Assign thread to run on specific processor. default None
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trick.exec_set_thread_cpu_affinity(<thread_id>, <cpu_num>)
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# Set thread execution priority. default 0
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trick.exec_set_thread_priority(<thread_id>, <priority>)
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# Set thread rendezvous type. default trick.PROCESS_TYPE_SCHEDULED
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# <process_type> = trick.PROCESS_TYPE_SCHEDULED | trick.PROCESS_TYPE_AMF_CHILD | trick.PROCESS_TYPE_ASYNC_CHILD
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trick.exec_set_thread_process_type(<thread_id>, <process_type>)
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# Return a thread object
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trick.exec_get_thread(<thread_id>)
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# Set thread trigger mechanism. default trick.TT_MUTEX
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# mechanism = trick.TT_MUTEX | trick.TT_FLAG | trick.TT_EVENTFD | trick.TT_FUTEX
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trick.exec_get_thread(<thread_id>).trigger_container.setThreadTrigger(<mechanism>)
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# enable/disable a thread. Not widely used.
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trick.exec_set_thread_enabled(<thread_id>, True|False)
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# Deprecated
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trick.exec_set_thread_rt_semaphores(<thread_id>, True|False)
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```
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