kopia lustrzana https://github.com/IzzyBrand/spaceplane
added circular buffer to detect if glider is descending prematurely or never reaches burst altitude
rodzic
bd0e5868f6
commit
326f6904fa
20
companion.py
20
companion.py
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@ -39,9 +39,21 @@ print '\n################# READY FOR FLIGHT #################\n'
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# Ascent
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###############################################################################
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# maintain a circular buffer of altitude
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alt_buffer_len = int(60/LOOP_DELAY)
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alt_buffer = np.ones([alt_buffer_len]) * vehicle.location.global_frame.alt
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alt_buffer_ind = 0
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prev_time_below_burn_alt = time()
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while True:
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alt = vehicle.location.global_frame.alt
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alt_buffer[alt_buffer_ind] = alt
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alt_buffer_ind += 1
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alt_buffer_ind = alt_buffer_ind % alt_buffer_len
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if (alt - alt_buffer[alt_buffer_ind] < 50):
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print 'WARNING: descended 50m in 60 seconds. Disconnecting.'
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break
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if alt < BURN_ALTITUDE:
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prev_time_below_burn_alt = time()
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else:
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@ -50,15 +62,19 @@ while True:
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if time_above > BURN_TIME_ABOVE:
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break
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time.sleep(LOOP_DELAY)
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print_status()
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print '\n################# REACHED BURN ALTITUDE #################\n'
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###############################################################################
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# Burn
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###############################################################################
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GPIO.output(BURN_PIN, GPIO.HIGH)
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vehicle.mode = VehicleMode("GUIDED")
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vehicle.simple_goto
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prev_time_above_burn_alt = time()
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while True:
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@ -71,6 +87,8 @@ while True:
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if time_below > BURN_TIME_ABOVE:
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break
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time.sleep(LOOP_DELAY)
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GPIO.output(BURN_PIN, GPIO.LOW)
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print_status()
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@ -82,7 +100,7 @@ print '\n################# VEHICLE DISCONNECTED #################\n'
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while True():
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print_status()
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time.sleep(1)
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time.sleep(LOOP_DELAY)
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def print_status():
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print 'Time: {}\tMode: {}\t Alt: {}\tLoc: ({}, {})'.format(
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@ -5,3 +5,4 @@ BURN_TIME_ABOVE = 20 # time above burn alt before ignite
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TARGET_LAT = 42.345131 # desired landing latitude
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TARGET_LON = -71.210126 # desired landing longitude
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TARGET_ALT = 0 # meters above sea level
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LOOP_DELAY = 0.5 # time in seconds to delay within loops
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