def _thrust_monitor(self):
# recalculate accumulated delta-v so far
self.accumulated_delta_v = self._calculate_accumulated_delta_v()
current_velocity = get_telemetry("orbitalVelocity")
#print("Accumulated dV: {:.2f}".format(self.accumulated_delta_v))
#print("dV required: {:.2f}".format(self.delta_v_required))
#print("Velocity at start: {:.2f}".format(self.initial_speed))
#print("Current Velocity: {:.2f}".format(current_velocity))
#print("Expected dV at cutoff: {}".format(self.velocity_at_cutoff))
if current_velocity > (self.velocity_at_cutoff - 13.5) and not self._is_thrust_reduced:
utils.log("Throttling back to 10%", log_level="DEBUG")
telemachus.set_throttle(10)
self._is_thrust_reduced = True
telemachus.disable_smartass()
telemachus.send_command_to_ksp("command=f.sas")
if current_velocity > (self.velocity_at_cutoff - 3.5): # the 3.5 a hack otherwise it overshoots, FIXME!
telemachus.cut_throttle()
utils.log("Closing throttle, burn complete!", log_level="DEBUG")
computer.dsky.current_verb.terminate()
computer.execute_verb(verb="06", noun="14")
computer.main_loop_table.remove(self._thrust_monitor)
#computer.burn_complete()
self.terminate()
computer.go_to_poo()
def get_telemetry(data, body_number=None):
""" Contacts telemachus for the requested data.
:param data: The API call required
:type data: str | float
:param body_number: Specify which body to obtain data for
:type body_number: string
:rtype: string
"""
# if telemetry is None:
# raise TelemetryNotAvailable
try:
query_string = data + "=" + telemetry[data]
except KeyError:
raise KSPNotConnected
return
if body_number:
query_string += "[{}]".format(body_number)
try:
raw_response = urllib.request.urlopen(config.URL + query_string)
except urllib.error.URLError:
utils.log("Query string: {}".format(query_string), log_level="ERROR")
utils.log("Caught exception urllib2.URLERROR", log_level="ERROR")
raise KSPNotConnected
response_string = raw_response.read().decode("utf-8)")
json_response = json.loads(response_string)
return json_response[data]
def _accept_enable_engine(self, data):
if data == "proceed":
utils.log("Go for burn!", log_level="INFO")
else:
return
computer.main_loop_table.append(self._fine_start_time_monitor)
computer.execute_verb(verb="16", noun="40")
def handle_data_register_load():
""" Handles data register loading
:return: None
"""
if keypress.isdigit() == False:
utils.log(
"Expecting a digit for data load, got {}".format(keypress),
log_level="ERROR")
return
display_register = state["display_location_to_load"]
if state["register_index"] == 0:
if keypress == "+":
dsky.set_register("+", display_register)
elif keypress == "-":
dsky.set_register("-", display_register)
else:
dsky.set_register("b", display_register)
state["register_index"] += 1
if 1 <= state["register_index"] <= 5:
dsky.set_register(keypress,
display_register,
digit=state["register_index"])
if state["register_index"] >= 5:
state["register_index"] = 0
else:
state["register_index"] += 1
state["input_data_buffer"] += keypress
def get_telemetry(data, body_number=None):
""" Contacts telemachus for the requested data.
:param data: The API call required
:type data: str | float
:param body_number: Specify which body to obtain data for
:type body_number: string
:rtype: string
"""
# if telemetry is None:
# raise TelemetryNotAvailable
try:
query_string = data + "=" + telemetry[data]
except KeyError:
raise KSPNotConnected
return
if body_number:
query_string += "[{}]".format(body_number)
try:
raw_response = urllib.request.urlopen(config.URL + query_string)
except urllib.error.URLError:
utils.log("Query string: {}".format(query_string), log_level="ERROR")
utils.log("Caught exception urllib2.URLERROR", log_level="ERROR")
raise KSPNotConnected
response_string = raw_response.read().decode("utf-8)")
json_response = json.loads(response_string)
return json_response[data]
def execute(self):
""" Executes the program.
:return: None
"""
super().execute()
utils.log("Program 11 executing", log_level="INFO")
# test if KSP is connected
if check_connection() == False:
return
# --> call average G integration with ΔV integration
# self.computer.run_average_g_routine = True
# --> terminate gyrocompassing
if "02" in self.computer.running_programs:
self.computer.programs["02"].terminate()
# --> compute initial state vector
# self.computer.routines["average_g"]()
# --> Display on DSKY:
# --> V06 N62 (we are going to use V16N62 though, so we can have a updated display
# --> R1: Velocity
# --> R2: Rate of change of vehicle altitude
# --> R3: Vehicle altitude in km to nearest .1 km
self.computer.execute_verb(verb="16", noun="62")
def _fine_start_time_monitor(self):
self.time_until_ignition = self.calculate_time_to_ignition()
if float(self.time_until_ignition) < 1.1: # ADJUSTED FROM 0.1 to 1.1 to dry fix start delay of approx 1 second
utils.log("Engine Ignition", log_level="INFO")
self._begin_burn()
computer.main_loop_table.remove(self._fine_start_time_monitor)
def execute(self):
""" Executes the program.
:return: None
"""
super().execute()
utils.log("Program 11 executing", log_level="INFO")
# test if KSP is connected
if check_connection() == False:
return
# --> call average G integration with ΔV integration
# self.computer.run_average_g_routine = True
# --> terminate gyrocompassing
if "02" in self.computer.running_programs:
self.computer.programs["02"].terminate()
# --> compute initial state vector
# self.computer.routines["average_g"]()
# --> Display on DSKY:
# --> V06 N62 (we are going to use V16N62 though, so we can have a updated display
# --> R1: Velocity
# --> R2: Rate of change of vehicle altitude
# --> R3: Vehicle altitude in km to nearest .1 km
self.computer.execute_verb(verb="16", noun="62")
def send_command_to_ksp(command_string):
try:
urllib.request.urlopen(config.URL + command_string)
except urllib.error.URLError:
utils.log("Query string: {}".format(command_string), log_level="ERROR")
utils.log("Caught exception urllib2.URLERROR", log_level="ERROR")
raise KSPNotConnected
def send_command_to_ksp(command_string):
try:
urllib.request.urlopen(config.URL + command_string)
except urllib.error.URLError:
utils.log("Query string: {}".format(command_string), log_level="ERROR")
utils.log("Caught exception urllib2.URLERROR", log_level="ERROR")
raise KSPNotConnected
def receive_data(self, data):
""" Allows the verb to receive requested data from the DSKY.
:param data: the data sent by DSKY
"""
utils.log("{} received data: {}".format(self, data))
self.data = data
self.execute()
def on(self):
'''
Turns the IMU on
:returns: True if successful, False otherwise
'''
if check_connection() == False:
utils.log("Cannot connect to KSP", "WARNING")
else:
self.set_coarse_align()
def set_annunciator(self, name, set_to=True):
try:
if set_to:
self.annunciators[name].on()
else:
self.annunciators[name].off()
except KeyError:
utils.log("You tried to change a annunciator that doesnt exist :(", "WARNING")
def stop_blink(self):
"""
THIS METHOD IS DEPRECIATED. It is left in here to catch any other usages.
Stops the verb/noun flash
:return: None
"""
utils.log(message="Called depreciated method stop_blink(). Please use verb_noun_flash_off()", log_level="ERROR")
def disable_direction_autopilot(self):
""" Disables the directional autopilot
:return: None
"""
telemachus.disable_smartass()
self.is_direction_autopilot_engaged = False
utils.log("Autopilot disabled", log_level="INFO")
def on(self):
'''
Turns the IMU on
:returns: True if successful, False otherwise
'''
if check_connection() == False:
utils.log("Cannot connect to KSP", "WARNING")
else:
self.set_coarse_align()
def set_annunciator(self, name, set_to=True):
try:
if set_to:
self.annunciators[name].on()
else:
self.annunciators[name].off()
except KeyError:
utils.log("You tried to change a annunciator that doesnt exist :(",
"WARNING")
def execute(self):
""" Executes the program.
:return: None
"""
utils.log("Executing Program {}: {}".format(self.number, self.description))
self.computer.flash_comp_acty(500)
self.computer.dsky.set_register(self.number, "program")
self.computer.running_program = self
def check_for_liftoff(self):
if get_telemetry("verticalSpeed") > 1:
utils.log("Liftoff discrete")
Program.computer.remove_from_mainloop(self.check_for_liftoff)
# Clear display
for register in ["verb", "noun", "program", "data_1", "data_2", "data_3"]:
Program.computer.dsky.blank_register(register)
# pause for 1 second, then run P11
self.timer.start(1000)
def execute(self):
""" Executes the program.
:return: None
"""
utils.log("Executing Program {}: {}".format(self.number,
self.description))
self.computer.flash_comp_acty(500)
self.computer.dsky.set_register(self.number, "program")
self.computer.running_program = self
def operator_error(self, message=None):
""" Called when the astronaut has entered invalid keyboard input.
:param message: Optional message to send to log
:return: None
"""
if message:
utils.log("OPERATOR ERROR: " + message, log_level="ERROR")
self.dsky.annunciators["opr_err"].blink_timer.start(500)
def stop_blink(self):
"""
THIS METHOD IS DEPRECIATED. It is left in here to catch any other usages.
Stops the verb/noun flash
:return: None
"""
utils.log(
message=
"Called depreciated method stop_blink(). Please use verb_noun_flash_off()",
log_level="ERROR")
def _send_output(self):
""" Sends the requested output to the DSKY """
# check if the display update interval needs to be changed
if self.timer.interval() != config.DISPLAY_UPDATE_INTERVAL:
# stop and start the timer to change the update interval
self.timer.stop()
self.timer.start(config.DISPLAY_UPDATE_INTERVAL)
if self.noun is None:
self.noun = Verb.computer.keyboard_state["requested_noun"]
if self.noun in self.illegal_nouns:
raise NounNotAcceptableError
noun_function = Verb.computer.nouns[self.noun]()
try:
data = noun_function.return_data()
except nouns.NounNotImplementedError:
self.computer.operator_error("Noun {} not implemented yet. Sorry about that...".format(self.noun))
self.terminate()
return
except KSPNotConnected:
utils.log("KSP not connected, terminating V{}".format(self.number),
log_level="ERROR")
Verb.computer.program_alarm(110)
self.terminate()
raise
except TelemetryNotAvailable:
utils.log("Telemetry not available, terminating V{}".format(self.number),
log_level="ERROR")
Verb.computer.program_alarm(111)
self.terminate()
raise
if not data:
# if the noun returns False, the noun *should* have already raised a program alarm, so we just need to
# terminate and return
self.terminate()
return
output = self._format_output_data(data)
# set tooltips
if not self.is_tooltips_set:
Verb.computer.dsky.set_tooltip("data_1", data["tooltips"][0])
Verb.computer.dsky.set_tooltip("data_2", data["tooltips"][1])
Verb.computer.dsky.set_tooltip("data_3", data["tooltips"][2])
self.is_tooltips_set = True
# display data on DSKY registers
Verb.computer.dsky.set_register(output[0], "data_1")
Verb.computer.dsky.set_register(output[1], "data_2")
Verb.computer.dsky.set_register(output[2], "data_3")
Verb.computer.dsky.flash_comp_acty()
def check_for_liftoff(self):
if get_telemetry("verticalSpeed") > 1:
utils.log("Liftoff discrete")
Program.computer.remove_from_mainloop(self.check_for_liftoff)
# Clear display
for register in [
"verb", "noun", "program", "data_1", "data_2", "data_3"
]:
Program.computer.dsky.blank_register(register)
# pause for 1 second, then run P11
self.timer.start(1000)
def display(self, number_to_display):
# cast to string (but should be a string already, so log it
if not isinstance(number_to_display, str):
utils.log("You should pass a string to be displayed bu GUI!")
number_to_display = str(number_to_display)
# only change image if we arn't flashing, it will be changed next flash
if self.blink_data["is_blinking"] == False:
image = self.digit_pixmaps[number_to_display]
self.setPixmap(image)
self.blink_data["blink_value"] = number_to_display
def program_restart(self, alarm_code, message=None):
""" Triggers a program restart.
:param alarm_code: a 3 or 4 digit octal int of the alarm code to raise
:param message: optional message to print to log
:return: None
"""
# TODO: insert terminate and restart program
utils.log("Program fresh start not implemented yet... watch this space...")
if message:
utils.log(message, log_level="ERROR")
def display(self, number_to_display):
# cast to string (but should be a string already, so log it
if not isinstance(number_to_display, str):
utils.log("You should pass a string to be displayed bu GUI!")
number_to_display = str(number_to_display)
# only change image if we arn't flashing, it will be changed next flash
if self.blink_data["is_blinking"] == False:
image = self.digit_pixmaps[number_to_display]
self.setPixmap(image)
self.blink_data["blink_value"] = number_to_display
def set_coarse_align(self):
'''
Sets coarse align mode.
:returns: None
'''
self.is_fine_aligned = False
self.is_course_aligned = True
self.computer.dsky.set_annunciator("no_att")
if self.update_gyro_angles in self.computer.main_loop_table:
self.computer.main_loop_table.remove(self.update_gyro_angles)
if self.check_for_gimbal_lock in self.computer.main_loop_table:
self.computer.main_loop_table.remove(self.check_for_gimbal_lock)
utils.log("IMU coarse align set")
def computer_restart(self, alarm_code, message=None):
""" Triggers a guidance computer hardware restart. The most severe of the errors!
:param alarm_code: a 3 or 4 digit octal int of the alarm code to raise
:param message: optional message to print to log
:return: None
"""
# insert computer reboot
# self.fresh_start()
if message:
utils.log(message, log_level="CRITICAL")
pass
def execute(self):
""" Executes the verb
:return:
"""
if self.noun in self.illegal_nouns:
raise NounNotAcceptableError
utils.log("Executing Verb {}: {}".format(self.number, self.name))
self.dsky.current_verb = self
if self.noun:
Verb.computer.dsky.set_register(self.noun, "noun")
utils.log(" With noun {}".format(self.noun)) # JRI
def program_alarm(self, alarm_code):
""" Sets the program alarm codes in memory and turns the PROG annunciator on.
:param alarm_code: a 3 or 4 digit octal int of the alarm code to raise
:return: None
"""
utils.log("PROGRAM ALARM {}: {}".format(str(alarm_code), config.ALARM_CODES[alarm_code]), log_level="ERROR")
alarm_code += 1000
if self.alarm_codes[0] != 0:
self.alarm_codes[1] = self.alarm_codes[0]
self.alarm_codes[0] = alarm_code
self.alarm_codes[2] = self.alarm_codes[0]
self.dsky.annunciators["prog"].on()
def set_coarse_align(self):
'''
Sets coarse align mode.
:returns: None
'''
self.is_fine_aligned = False
self.is_course_aligned = True
self.computer.dsky.set_annunciator("no_att")
if self.update_gyro_angles in self.computer.main_loop_table:
self.computer.main_loop_table.remove(self.update_gyro_angles)
if self.check_for_gimbal_lock in self.computer.main_loop_table:
self.computer.main_loop_table.remove(self.check_for_gimbal_lock)
utils.log("IMU coarse align set")
def return_data(self):
utils.log("Noun 09 requested")
alarm_codes = computer.alarm_codes
data = {
1: str(alarm_codes[0]),
2: str(alarm_codes[1]),
3: str(alarm_codes[2]),
"is_octal": True,
"tooltips": [
"First alarm code",
"Second alarm code",
"Last alarm code",
],
}
return data
def request_data(self, requesting_object, display_location, is_proceed_available=False):
""" Requests data entry from the user.
:param requesting_object: the object requesting the data
:param display_location: the register that entered data will be displayed in
:param is_proceed_available: True if the user can key in PROCEED instead of data
:return: None
"""
# if is_proceed_available is set True, don't blank display as it should be showing data to proceed with
if not is_proceed_available:
self.blank_register(display_location)
utils.log("{}, method {}() requesting data".format(requesting_object.__self__, requesting_object.__name__))
self.verb_noun_flash_on()
self.computer.keyboard_state["object_requesting_data"] = requesting_object
self.computer.keyboard_state["is_expecting_data"] = True
self.computer.keyboard_state["display_location_to_load"] = display_location
def set_fine_align(self):
'''
Sets fine align mode.
:returns: None
'''
# if no connection to KSP, stop fine align and go back to coarse align
if check_connection() == False:
utils.log("IMU: cannot complete fine align, no connection to KSP", log_level="ERROR")
return
self.is_fine_aligned = True
self.is_course_aligned = False
self.computer.dsky.set_annunciator("gimbal_lock", False)
self.computer.dsky.set_annunciator("no_att", False)
#self.computer.main_loop_table.append(self.update_gyro_angles)
#self.computer.main_loop_table.append(self.check_for_gimbal_lock)
utils.log("IMU fine align set")
def set_fine_align(self):
'''
Sets fine align mode.
:returns: None
'''
# if no connection to KSP, stop fine align and go back to coarse align
if check_connection() == False:
utils.log("IMU: cannot complete fine align, no connection to KSP",
log_level="ERROR")
return
self.is_fine_aligned = True
self.is_course_aligned = False
self.computer.dsky.set_annunciator("gimbal_lock", False)
self.computer.dsky.set_annunciator("no_att", False)
#self.computer.main_loop_table.append(self.update_gyro_angles)
#self.computer.main_loop_table.append(self.check_for_gimbal_lock)
utils.log("IMU fine align set")
def terminate(self):
""" Terminates the verb
:return: None
"""
utils.log("Terminating V{}".format(self.number))
Verb.computer.dsky.stop_annunciator_blink("key_rel")
Verb.computer.keyboard_state["display_lock"] = None
Verb.computer.keyboard_state["backgrounded_update"] = None
self.timer.stop()
self.noun = None
# self.activity_timer.Stop()
# reset tooltips to ""
Verb.computer.dsky.set_tooltip("data_1", "")
Verb.computer.dsky.set_tooltip("data_2", "")
Verb.computer.dsky.set_tooltip("data_3", "")
def poodoo_abort(self, alarm_code, message=None):
""" Terminates the faulty program, and executes Program 00 (P00)
:param alarm_code: a 3 digit octal int of the alarm code to raise
:return: None
"""
# alarm_message = config.ALARM_CODES[alarm_code]
alarm_code += 2000
if self.alarm_codes[0] != 0:
self.alarm_codes[1] = self.alarm_codes[0]
self.alarm_codes[0] = alarm_code
self.alarm_codes[2] = self.alarm_codes[0]
self.dsky.annunciators["prog"].on()
self.running_program.terminate()
utils.log("P00DOO ABORT {}: {}".format(str(alarm_code), message), log_level="ERROR")
poo = self.programs["00"]()
poo.execute()
def handle_expected_data():
""" Handles expected data entry.
:return: None
"""
#set_trace()
if keypress == "P":
dsky.verb_noun_flash_off()
utils.log("Proceeding without input, calling {}".format(
str(state["object_requesting_data"])))
state["object_requesting_data"]("proceed")
state["input_data_buffer"] = ""
state["is_expecting_data"] = False
return
# if we receive ENTER, the load is complete and we will call the
# program or verb requesting the data load
elif keypress == "E":
input_data = state["input_data_buffer"]
state["input_data_buffer"] = ""
state["is_expecting_data"] = False
dsky.verb_noun_flash_off()
data_requester = state["object_requesting_data"]
utils.log("Data load complete, calling {}({})".format(
data_requester.__self__, data_requester.__name__))
data_requester(input_data)
return
if state["display_location_to_load"] in ["verb", "noun", "program"]:
handle_control_register_load()
else:
handle_data_register_load()
# if the user as entered anything other than a numeric d,
# trigger a OPR ERR and recycle program
if keypress.isalpha():
# if a program is running, recycle it
# INSERT TRY HERE!!!
# computer.get_state("running_program").terminate()
# INSERT EXCEPT HERE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
# if a verb is running, recycle it
# computer.get_state("running_verb").terminate()
computer.operator_error("Expecting numeric input")
return
def execute(self):
self.calculate()
time_to_node = HohmannTransfer.get_time_to_node(self.phase_angle_difference(),
self.orbital_period,
self.departure_body_period)
if time_to_node <= 120:
utils.log("Time of ignition less that 2 minutes in the future, starting burn during next orbit")
time_to_node += self.orbital_period
self.calculate_burn_timings()
self.first_burn = Burn(delta_v=self.delta_v_1,
direction="node",
time_of_ignition=self.time_of_ignition_first_burn,
time_of_node=self.time_of_node,
burn_duration=self.duration_of_burn,
)
if config.current_log_level == "DEBUG":
self.print_maneuver_data()
computer.add_burn(self.first_burn)
def phase_angle_difference(self):
#set_trace()
current_phase_angle = get_telemetry("body_phaseAngle", body_number=self.target_id)
phase_angle_difference = current_phase_angle - self.phase_angle_required
#if phase_angle_difference < 0:
#phase_angle_difference = 180 + abs(phase_angle_difference)
#utils.log("Adding 180 degrees to phase angle difference")
utils.log()
utils.log("Current Phase Angle: {} degrees".format(current_phase_angle))
utils.log("Phase Angle Required: {} degrees".format(self.phase_angle_required))
utils.log("Phase Angle Difference: {} degrees".format(phase_angle_difference))
return phase_angle_difference
def handle_expected_data():
""" Handles expected data entry.
:return: None
"""
#set_trace()
if keypress == "P":
dsky.verb_noun_flash_off()
utils.log("Proceeding without input, calling {}".format(str(state["object_requesting_data"])))
state["object_requesting_data"]("proceed")
state["input_data_buffer"] = ""
state["is_expecting_data"] = False
return
# if we receive ENTER, the load is complete and we will call the
# program or verb requesting the data load
elif keypress == "E":
input_data = state["input_data_buffer"]
state["input_data_buffer"] = ""
state["is_expecting_data"] = False
dsky.verb_noun_flash_off()
data_requester = state["object_requesting_data"]
utils.log("Data load complete, calling {}({})".format(data_requester.__self__, data_requester.__name__))
data_requester(input_data)
return
if state["display_location_to_load"] in ["verb", "noun", "program"]:
handle_control_register_load()
else:
handle_data_register_load()
# if the user as entered anything other than a numeric d,
# trigger a OPR ERR and recycle program
if keypress.isalpha():
# if a program is running, recycle it
# INSERT TRY HERE!!!
# computer.get_state("running_program").terminate()
# INSERT EXCEPT HERE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
# if a verb is running, recycle it
# computer.get_state("running_verb").terminate()
computer.operator_error("Expecting numeric input")
return
def execute(self):
'''
Executes the program
:returns: None
'''
super().execute()
# if TIG < 2 mins away, abort burn
if utils.seconds_to_time(self.burn.time_until_ignition)["minutes"] < 2:
self.computer.remove_burn()
self.computer.poodoo_abort(226)
return
# if time to ignition if further than a hour away, display time to ignition
if utils.seconds_to_time(self.burn.time_until_ignition)["hours"] > 0:
utils.log("TIG > 1 hour away")
self.computer.execute_verb(verb="16", noun="33")
self.computer.main_loop_table.append(self._ten_minute_monitor)
else:
utils.log("TIG < 1 hour away, enabling burn")
self.burn.execute()
def execute(self):
'''
Executes the program
:returns: None
'''
super().execute()
# if TIG < 2 mins away, abort burn
if utils.seconds_to_time(self.burn.time_until_ignition)["minutes"] < 2:
self.computer.remove_burn()
self.computer.poodoo_abort(226)
return
# if time to ignition if further than a hour away, display time to ignition
if utils.seconds_to_time(self.burn.time_until_ignition)["hours"] > 0:
utils.log("TIG > 1 hour away")
self.computer.execute_verb(verb="16", noun="33")
self.computer.main_loop_table.append(self._ten_minute_monitor)
else:
utils.log("TIG < 1 hour away, enabling burn")
self.burn.execute()
def request_data(self,
requesting_object,
display_location,
is_proceed_available=False):
""" Requests data entry from the user.
:param requesting_object: the object requesting the data
:param display_location: the register that entered data will be displayed in
:param is_proceed_available: True if the user can key in PROCEED instead of data
:return: None
"""
# if is_proceed_available is set True, don't blank display as it should be showing data to proceed with
if not is_proceed_available:
self.blank_register(display_location)
utils.log("{}, method {}() requesting data".format(
requesting_object.__self__, requesting_object.__name__))
self.verb_noun_flash_on()
self.computer.keyboard_state[
"object_requesting_data"] = requesting_object
self.computer.keyboard_state["is_expecting_data"] = True
self.computer.keyboard_state[
"display_location_to_load"] = display_location
def handle_data_register_load():
""" Handles data register loading
:return: None
"""
if keypress.isdigit() == False:
utils.log("Expecting a digit for data load, got {}".format(keypress), log_level="ERROR")
return
display_register = state["display_location_to_load"]
if state["register_index"] == 0:
if keypress == "+":
dsky.set_register("+", display_register)
elif keypress == "-":
dsky.set_register("-", display_register)
else:
dsky.set_register("b", display_register)
state["register_index"] += 1
if 1 <= state["register_index"] <= 5:
dsky.set_register(keypress, display_register, digit=state["register_index"])
if state["register_index"] >= 5:
state["register_index"] = 0
else:
state["register_index"] += 1
state["input_data_buffer"] += keypress
def execute(self):
""" Executes the verb.
:return: None
"""
if Verb.computer.keyboard_state["backgrounded_update"]:
utils.log("Terminating backgrounded update")
Verb.computer.keyboard_state["backgrounded_update"].terminate()
Verb.computer.dsky.stop_annunciator_blink("key_rel")
if Verb.computer.running_program:
utils.log("Terminating active program {}".format(Verb.computer.running_program.number))
Verb.computer.running_program.terminate()
else:
utils.log("V34 called, but nothing to terminate!")
def _enable_directional_autopilot(self):
telemachus.set_mechjeb_smartass("node")
utils.log("Directional autopilot enabled", log_level="INFO")
return True
def calc_burn_duration(initial_mass, thrust, specific_impulse, delta_v):
'''
Calculates the duration of a burn in seconds.
:param initial_mass: initial mass of spacecraft
:type initial_mass: float
:param thrust: total thrust of the spacecraft
:type thrust: float
:param specific_impulse: Isp
:type specific_impulse: int or float
:param delta_v: delta_v for burn
:type delta_v: float
:returns: float time of burn in seconds
'''
exhaust_velocity = specific_impulse * 9.81
burn_duration = (initial_mass * exhaust_velocity / thrust) * (1 - math.exp(-delta_v / exhaust_velocity))
utils.log(log_level="info")
utils.log("-" * 40, log_level="info")
utils.log("Burn duration calculations:", log_level="info")
utils.log("Initial mass: {} tonnes".format(initial_mass), log_level="info")
utils.log("Thrust: {} kN".format(thrust), log_level="info")
utils.log("Specific Impulse: {} seconds".format(specific_impulse), log_level="info")
utils.log("Exhaust Velocity: {:.2f} kg/s".format(exhaust_velocity), log_level="info")
utils.log("Burn Duration: {:.1f} seconds".format(burn_duration), log_level="info")
utils.log("-" * 40, log_level="info")
return burn_duration
def calculate_other_parameters(self):
utils.log("Initial velocity at start of transfer: {:.2f} m/s".format(self.calculate_velocity_initial()))
utils.log("Velocity on transfer orbit at initial orbit: {:.2f} m/s".format(self.calculate_velocity_initial_on_transfer_orbit()))
utils.log("Velocity on transfer orbit at final orbit: {:.2f} m/s".format(self.calculate_velocity_final_on_transfer_orbit()))
utils.log("Initial velocity change (delta-v): {:.2f} m/s".format(self.calculate_initial_delta_v()))
utils.log("Final velocity change (delta-v): {:.2f} m/s".format(self.calculate_final_delta_v()))
utils.log("Total chance in velocity (delta-v): {:.2f} m/s".format(self.calculate_total_delta_v()))
utils.log()
def set_register(self, value, register, digit=None):
'''
Displays some data on a register.
:param value: the value to display
:type value: str
:param register: the register to display it on
:type register: str
:param digit: if set, indicates that just one digit is to be set
:type digit: str
:returns: False if value checks fail, True if display set sucessfully
'''
# some sanity checks. If checks fail, return False
# if digit is set, only should be one digit supplied
if digit:
if len(value) != 1:
utils.log("You are trying to display a single digit, but got {} digits instead!".format(len(value)))
return False
# if register is a control register, should have either 1 or 2 values to display
else:
if register in ["verb", "noun", "program"]:
if not 1 <= len(value) <= 2:
utils.log("You are trying to display a value in the {} register, expecting 1 or 2 digits, " \
"got {}".format(register, len(value)))
return False
else:
# otherwise, check for value being length 1 to 6
if not 1 <= len(value) <= 6:
# set_trace()
utils.log("Must have between 1 and 6 values to display in data register, got {}".format(len(value)))
return False
# also check that the first digit is either a "+", "-" or "b" (for blank)
if value[0] not in ["+", "-", "b"]:
utils.log("First digit to display should be either +, -, or b, got {}".format(value[0]))
return False
# setting control register
if register in ["verb", "noun", "program"]:
this_register = self.get_register(register) # get the register we want to change
if digit is not None:
this_register[digit].display(value)
else:
for index in range(len(value)):
this_register[str(index + 1)].display(value[index])
return True
# setting data register
else:
display_map = {
0: "sign",
1: "1",
2: "2",
3: "3",
4: "4",
5: "5",
}
# data register 1
if register == "data_1":
this_register = self.registers["data"]["1"] # get the register we want to change
if digit:
this_register[str(digit)].display(value)
else:
for index in range(len(value)):
digit_to_set = display_map[index]
value_to_set = value[index]
this_register[digit_to_set].display(value_to_set)
elif register == "data_2":
this_register = self.registers["data"]["2"] # get the register we want to change
if digit:
this_register[str(digit)].display(value)
else:
for index in range(len(value)):
digit_to_set = display_map[index]
value_to_set = value[index]
this_register[digit_to_set].display(value_to_set)
elif register == "data_3":
this_register = self.registers["data"]["3"] # get the register we want to change
if digit:
this_register[str(digit)].display(value)
else:
for index in range(len(value)):
digit_to_set = display_map[index]
value_to_set = value[index]
this_register[digit_to_set].display(value_to_set)
