def poll_tracker(self, time_limit):
interm = UART.poll_tracker_params()
if interm['ERROR'] == None:
self.timings['last_tracker_poll'] = time.time()
self.bools['tracker_polled'] = True
update_existing_keys(self.tracker_params, interm)
if self.tracer == True:
self.calc_avg_wind_speed()
else:
if self.tracer == True:
if time.time(
) - self.timings['last_tracker_poll'] > time_limit:
if self.bools['tracker_polled'] == True:
supDB.update_rpi_status('tracer RS458 read failure')
logger.warn(
"tracer failed to poll the tracker for more than %d sec"
% time_limit)
self.bools['tracker_polled'] = False
else:
if time.time() - self.timings[
'last_tracker_poll'] > config.MAX_UART_DOWN_TIME:
if self.bools['tracker_polled'] == True:
supDB.update_rpi_status('RS458 read failure')
logger.critical("RS485 read failure for more than %d seconds"\
%config.MAX_UART_DOWN_TIME)
self.bools['tracker_polled'] = False
def set_wind_factor(self):
success = UART.send_write_command(config.d['WindFactor'],config.WIND_MULTIPLIER)
if success['ERROR'] == None:
self.timings['last_tracker_update'] = time.time()
self.bools['tracker_updated'] == True
else:
if time.time() - self.timings['last_tracker_update'] > config.MAX_UART_DOWN_TIME:
if self.bools['tracker_updated'] == True:
#logger.warn("RS485 write failure for more than %d seconds"\
#%config.MAX_UART_DOWN_TIME)
supDB.update_rpi_status('RS458 write failure')
self.bools['tracker_updated'] = 'False'
def clear_tracker_errors(self):
success = UART.send_write_command(136,'clear')
if success['ERROR'] == None:
self.timings['last_tracker_update'] = time.time()
self.bools['tracker_updated'] = True
else:
if time.time() - self.timings['last_tracker_update'] > config.MAX_UART_DOWN_TIME:
if self.bools['tracker_updated'] == True:
#logger.warn("RS485 write failure for more than %d seconds"\
#%config.MAX_UART_DOWN_TIME)
supDB.update_rpi_status('RS458 write failure')
self.bools['tracker_updated'] = 'False'
def poll_server(self):
interm = httpReq.poll_server_params()
if interm['ERROR'] == None:
self.timings['last_http_req'] = time.time()
self.bools['http_polled'] = True
update_existing_keys(self.server_params,interm)
else:
if time.time() - self.timings['last_http_req'] > config.MAX_SERVERDOWN_TIME:
if self.bools['http_polled'] == True:
#logger.warn("Server is inactive for more than %d seconds"%config.MAX_SERVERDOWN_TIME)
supDB.update_rpi_status("server_down")
self.bools['http_polled'] = False
def tracker_activate(self):
success = UART.send_write_command(config.d['Mode'], 'y')
if success['ERROR'] == None:
self.timings['last_tracker_update'] = time.time()
self.bools['tracker_updated'] = True
else:
if time.time() - self.timings['last_tracker_update'] > \
config.MAX_UART_DOWN_TIME:
if self.bools['tracker_updated'] == True:
supDB.update_rpi_status('RS458 write failure')
logger.warn("RS485 write failure for more than %d seconds"\
%config.MAX_UART_DOWN_TIME)
self.bools['tracker_updated'] = 'False'
def IO_MGR():
global io_counter
global current_state
global id
global sub_boss
global max_wind_poll_counter
global wind_poll_counter
global ok_status
if sub_boss.tracer == True:
sub_boss.poll_tracker(max_wind_poll_counter)
sub_boss.update_wind_ok(max_wind_poll_counter)
else:
if io_counter % 5 == 0:
sub_boss.poll_tracker(max_wind_poll_counter)
if io_counter == config.POLLING_INTERVAL:
sub_boss.poll_server()
sub_boss.update_cpu_temp()
if sub_boss.tracer == False:
sub_boss.db_update(current_state, max_wind_poll_counter)
inst_status = True
for each in sub_boss.bools.itervalues():
inst_status = inst_status and each
if inst_status == False:
break
ok_status = inst_status
if ok_status == True:
supDB.update_rpi_status(current_state)
if wind_poll_counter >= max_wind_poll_counter:
if sub_boss.tracer == True:
sub_boss.db_update(current_state, max_wind_poll_counter)
else:
sub_boss.update_wind_ok(max_wind_poll_counter)
if io_counter >= config.POLLING_INTERVAL:
io_counter = 0
sub_boss.reset_wifi()
else:
io_counter += 1
update_wind_counter_limit()
if wind_poll_counter >= max_wind_poll_counter:
wind_poll_counter = 0
else:
if sub_boss.tracer == True:
wind_poll_counter += 5
else:
wind_poll_counter += 2
def update_wind_ok(self, time_limit):
if self.tracer == False:
interm = supDB.db_wind_poll()
if interm['ERROR'] == None and \
time.time() - time.mktime(time.strptime(interm['last_modified'])) \
< 2*time_limit:
self.tracker_params['wind_ok'] = interm['wind_ok']
self.polled_wind_speed = interm['wind_speed']
self.timings['last_wind_poll'] = time.time()
self.bools['wind_polled'] = True
else:
if interm['ERROR'] == None:
if self.bools['wind_polled'] == True:
supDB.update_rpi_status('Tracer DB_inactivity')
logger.warn("The tracer hasn't updated the db "
"for more than %d seconds" %
(2 * time_limit))
self.bools['wind_polled'] = False
self.tracker_params['wind_ok'] = 'NO'
else:
if self.bools['wind_polled'] == True:
logger.warn("DB down for more than %d sec" %
(2 * time_limit))
self.bools['wind_polled'] = False
##action on no wind detection
else:
speed_now = config.MAX_INST_WIND_SPEED / 2
speed_avg = config.MAX_AVG_WIND_SPEED / 2
try:
speed_now = float(self.tracker_params[config.d['WindSpeed']])
speed_avg = float(self.tracker_params['avg_wind_speed'])
except Exception as err:
logger.exception(err)
if speed_now > config.MAX_INST_WIND_SPEED or speed_avg > \
config.MAX_AVG_WIND_SPEED or self.bools['tracker_polled'] == False:
self.tracker_params['wind_ok'] = 'NO'
else:
self.tracker_params['wind_ok'] = 'YES'
if self.bools['tracker_polled'] == True:
self.timings['last_wind_poll'] = time.time()
self.bools['wind_polled'] = True
else:
if time.time() - self.timings['last_wind_poll'] > \
2*time_limit:
if self.bools['wind_polled'] == True:
logger.warn("No wind detection for more than %d sec" %
(2 * time_limit))
self.bools['wind_polled'] = False
def send_to_idle(self):
success1 = UART.send_write_command(config.d['Mode'],'n')
time.sleep(0.5)
success2 = UART.send_write_command(config.d['Angle_A'],config.IDLEA)
time.sleep(0.5)
success3 = UART.send_write_command(config.d['Angle_B'], config.IDLEB)
if success1['ERROR'] == None and success2['ERROR'] == None \
and success3['ERROR'] == None:
self.timings['last_tracker_update'] = time.time()
self.bools['tracker_updated'] = True
else:
if time.time() - self.timings['last_tracker_update'] > config.MAX_UART_DOWN_TIME:
if self.bools['tracker_updated'] == True:
#logger.warn("RS485 write failure for more than %d seconds"\
#%config.MAX_UART_DOWN_TIME)
supDB.update_rpi_status('RS458 write failure')
self.bools['tracker_updated'] = 'False'
def tracker_update_motors(self):
currentH = self.tracker_params[config.d['Target_Default_H']]
currentV = self.tracker_params[config.d['Target_Default_V']]
targetH = self.server_params['target_position_H']
targetV = self.server_params['target_position_V']
if currentH != targetH:
successH = UART.send_write_command(config.d['Target_Default_H'],
targetH)
if currentV != targetV:
successV = UART.send_write_command(config.d['Target_Default_V'],
targetV)
if successH['ERROR'] == None and successV['ERROR'] == None:
self.timings['last_tracker_update'] = time.time()
self.bools['tracker_updated'] = True
else:
if time.time() - self.timings['last_tracker_update'] > \
config.MAX_UART_DOWN_TIME:
if self.bools['tracker_updated'] == True:
supDB.update_rpi_status('RS458 write failure')
logger.warn("RS485 write failure for more than %d seconds"\
%config.MAX_UART_DOWN_TIME)
self.bools['tracker_updated'] = 'False'
def IO_MGR():
global io_counter
global current_state
global id
global sub_boss
global max_wind_poll_counter
global wind_poll_counter
global ok_status
print io_counter
print wind_poll_counter
if not sub_boss.freeze:
if sub_boss.tracer == True:
print "tracer polling tracker"
sub_boss.poll_tracker(max_wind_poll_counter)
print "tracer update wind_ok"
sub_boss.update_wind_ok(max_wind_poll_counter)
else:
if io_counter % 5 == 0:
print "notracer poll tracker"
sub_boss.poll_tracker(max_wind_poll_counter)
if io_counter == config.POLLING_INTERVAL:
print "poll server"
sub_boss.poll_server()
print "update temp"
sub_boss.update_cpu_temp()
if sub_boss.tracer == False:
print "nontracer update db"
sub_boss.db_update(current_state, max_wind_poll_counter)
inst_status = True
for each in sub_boss.bools.itervalues():
inst_status = inst_status and each
if inst_status == False:
break
ok_status = inst_status
if ok_status == True:
print "update rpi status"
supDB.update_rpi_status(current_state)
if wind_poll_counter >= max_wind_poll_counter:
if sub_boss.tracer == True:
print "tracer update db"
sub_boss.db_update(current_state, max_wind_poll_counter)
else:
print "nontracer update wind_ok"
sub_boss.update_wind_ok(max_wind_poll_counter)
if io_counter >= config.POLLING_INTERVAL:
io_counter = 0
sub_boss.reset_wifi()
else:
io_counter += 1
update_wind_counter_limit()
if wind_poll_counter >= max_wind_poll_counter:
wind_poll_counter = 0
else:
if sub_boss.tracer == True:
wind_poll_counter += 5
else:
wind_poll_counter += 2
