def __init__(self, logger):
gc.enable()
self.acc = LIS2HH12(pysense = None, sda = "P22", scl = "P21")
py = Pytrack()
self.gps = L76GNSS(py, timeout=30)
self.py = Pycoproc()
self.batteryTrack = 0
self.Logger = logger
def __init__(self, pymesh):
self.pymesh = pymesh
# read config file, or set default values
node_dict = self.create_node_config_dict()
self.node_ssid = node_dict['WIFI_SSID']
self.node_pass = node_dict['WIFI_PASS']
self.node_name = node_dict['NODE_NAME']
self.mesh_freq = node_dict['MESH_FREQ']
self.mesh_band = node_dict['MESH_BAND']
self.mesh_spred = node_dict['SPREAD_FACT']
self.mesh_key = node_dict['MESH_KEY']
if uos.uname().sysname == 'FiPy':
self.has_lte = True
else:
self.has_lte = False
self.mac = str(pymesh.mesh.mesh.MAC)
try:
self.py = Pycoproc()
except:
self.exp31 = True
self.rtc = RTC()
try:
self.l76 = L76GNSS(py, timeout=30)
self.pytrack_s = True
print("Pytrack")
except:
self.pytrack_s = False
try:
self.si = SI7006A20(py)
self.mp = MPL3115A2(
py, mode=ALTITUDE
) # Returns height in meters. Mode may also be set to PRESSURE, returning a value in Pascals
self.mpp = MPL3115A2(
py, mode=PRESSURE
) # Returns pressure in Pa. Mode may also be set to ALTITUDE, returning a value in meters
self.pysense_s = True
print("Pysense")
except:
self.pysense_s = False
if self.pysense_s == False and self.pytrack_s == False:
print("EXP 3.1")
class dataCollector:
def __init__(self, logger):
gc.enable()
self.acc = LIS2HH12(pysense = None, sda = "P22", scl = "P21")
py = Pytrack()
self.gps = L76GNSS(py, timeout=30)
self.py = Pycoproc()
self.batteryTrack = 0
self.Logger = logger
#These two methods call the accelerometer and collect data
def getAngle(self):
return self.acc.roll() + 180
def getAcceleration(self):
accel = self.acc.acceleration()
return accel
def getGPS(self):
return self.gps.coordinates()
def checkBatt(self):
volt = self.py.read_battery_voltage()
percentage = volt/3.7
if(percentage < .10 and self.batteryTrack == 3):
Time = utime.localtime(None)
currentTime = str(Time[1]) + "/" + str(Time[2]) + "/" + str(Time[0]) + " at " + str(Time[3]) + ":" + str(Time[4]) + ":" + str(Time[5])
self.Logger.log("Battery life critically low at " + str(percentage*100) + "% at " + currentTime)
self.batteryTrack+=1
elif(percentage < .25 and self.batteryTrack == 2):
self.Logger.log("Battery life at " + str(percentage*100) +"%")
self.batteryTrack+=1
elif(percentage < .5 and self.batteryTrack == 1):
self.Logger.log("Battery life at " + str(percentage*100) +"%")
self.batteryTrack+=1
elif(percentage <.75 and self.batteryTrack == 0):
self.Logger.log("Battery life at " + str(percentage*100) +"%")
self.batteryTrack+=1
def __init__(self, i2c=None, sda='P22', scl='P21'):
Pycoproc.__init__(self, i2c, sda, scl)
###############################################################
sleep_time_s = 300 # 5 min
pycom.heartbeat(False)
pycom.rgbled(0x0a0a0a) # white
import binascii
import machine
print(
os.uname().sysname.lower() + '-' +
binascii.hexlify(machine.unique_id()).decode("utf-8")[-4:], "pysense2")
pretty_wake_reason()
pretty_reset_cause()
print("pycoproc init")
pycoproc = Pycoproc()
print("battery {:.2f} V".format(pycoproc.read_battery_voltage()))
# init accelerometer
accelerometer_sensor = LIS2HH12()
# read accelerometer sensor values
accelerometer()
print("enable accelerometer interrupt")
# enable_activity_interrupt( [mG], [ms], callback)
# accelerometer_sensor.enable_activity_interrupt(8000, 200, activity_int_handler) # low sensitivty
# accelerometer_sensor.enable_activity_interrupt(2000, 200, activity_int_handler) # medium sensitivity
accelerometer_sensor.enable_activity_interrupt(
100, 200, activity_int_handler) # high sensitivity
# accelerometer_sensor.enable_activity_interrupt(63, 160, activity_int_handler) # ultra sensitivty
for _ in range(3):
pycom.rgbled(0x888888)
time.sleep(.2)
pycom.rgbled(0)
time.sleep(.1)
return
pycom.heartbeat(False)
# read config file, or set default values
pymesh_config = PymeshConfig.read_config()
#initialize Pymesh
pymesh = Pymesh(pymesh_config, new_message_cb)
py = Pycoproc()
mac = pymesh.mac()
# if mac > 10:
# pymesh.end_device(True)
if mac == 20:
pymesh.leader_priority(255)
elif mac == 15:
pymesh.leader_priority(250)
while not pymesh.is_connected():
print(pymesh.status_str())
time.sleep(3)
# def new_br_message_cb(rcv_ip, rcv_port, rcv_data, dest_ip, dest_port):
# ''' callback triggered when a new packet arrived for the current Border Router,
# having destination an IP which is external from Mesh '''
import pycom
from pycoproc import Pycoproc
import os
import machine
from machine import UART
from network import WLAN, Bluetooth
pycom.wifi_on_boot(False)
wlan = WLAN()
wlan.init(mode=WLAN.STA)
wlan.deinit()
bt = Bluetooth()
bt.deinit()
py = Pycoproc()
ANSELC_ADDR = const(0x18E)
py.poke_memory(ANSELC_ADDR, ~(1 << 7))
machine.main('main.py')
class NodeFuncs:
def __init__(self, pymesh):
self.pymesh = pymesh
# read config file, or set default values
node_dict = self.create_node_config_dict()
self.node_ssid = node_dict['WIFI_SSID']
self.node_pass = node_dict['WIFI_PASS']
self.node_name = node_dict['NODE_NAME']
self.mesh_freq = node_dict['MESH_FREQ']
self.mesh_band = node_dict['MESH_BAND']
self.mesh_spred = node_dict['SPREAD_FACT']
self.mesh_key = node_dict['MESH_KEY']
if uos.uname().sysname == 'FiPy':
self.has_lte = True
else:
self.has_lte = False
self.mac = str(pymesh.mesh.mesh.MAC)
try:
self.py = Pycoproc()
except:
self.exp31 = True
self.rtc = RTC()
try:
self.l76 = L76GNSS(py, timeout=30)
self.pytrack_s = True
print("Pytrack")
except:
self.pytrack_s = False
try:
self.si = SI7006A20(py)
self.mp = MPL3115A2(
py, mode=ALTITUDE
) # Returns height in meters. Mode may also be set to PRESSURE, returning a value in Pascals
self.mpp = MPL3115A2(
py, mode=PRESSURE
) # Returns pressure in Pa. Mode may also be set to ALTITUDE, returning a value in meters
self.pysense_s = True
print("Pysense")
except:
self.pysense_s = False
if self.pysense_s == False and self.pytrack_s == False:
print("EXP 3.1")
# ============================================================================
# Utility functions
def make_message_status(self, msg):
status_msg = ("STATUS: %s" % msg)
return status_msg
def write_json_config_file(self, mac, freq, band, sprd, key):
json_config = (
'{"ble_api": false, "autostart": true, "ble_name_prefix": "PyGo ", "debug": 5, "LoRa": {"sf": %s, "region": 8, "freq": %s, "bandwidth": %s, "tx_power": 14}, "MAC": %s, "Pymesh": {"key": "%s"}}'
% (sprd, freq, band, mac, key))
try:
with open('/sd/www/pymesh_config.json', 'w+') as f:
f.write(str(json_config))
f.close()
except:
print("File didn't write")
def last_10_messages(self):
with open('/sd/www/chat.txt', 'r') as f:
all_messages = f.read().split('\n')
f.close()
last_messages = all_messages[-11:]
return last_messages
def create_node_config_dict(self):
node_config_dict = {}
try:
with open('/sd/www/node_config.txt') as f:
node_config_list_from_file = f.read().split('\r\n')
f.close()
except:
with open('/node_config.txt') as f:
node_config_list_from_file = f.read().split('\r\n')
f.close()
node_config_list = node_config_list_from_file[:8]
for i in range(len(node_config_list)):
temp_list = list(node_config_list[i].split(', '))
node_config_dict[temp_list[0]] = temp_list[1]
return node_config_dict
def node_reset(self):
machine.reset()
# ============================================================================
# Functions to find mesh status
def save_mml(self, msg):
mac_string = msg[1:-1]
temp_string = mac_string.strip("'")
temp_mac_list = temp_string.split("', '")
mac_list = []
mac_list = [int(i) for i in temp_mac_list]
mac_list = list(dict.fromkeys(mac_list))
with open('/sd/www/leader_mesh_list.txt', 'a') as f:
for i in mac_list:
f.write(str(i))
f.write('\r\n')
f.close()
with open('/sd/www/leader_mesh_list.txt') as f:
temp_mac_list = f.read().split('\r\n')
f.close()
temp_mac_list = list(dict.fromkeys(temp_mac_list[:-1]))
temp_without_empty_strings = [
string for string in temp_mac_list if string != ""
]
os.remove('/sd/www/leader_mesh_list.txt')
with open('/sd/www/leader_mesh_list.txt', 'w+') as f:
for i in temp_without_empty_strings:
f.write(str(i))
f.write('\r\n')
f.close()
print("The current mac list is: %s" % mac_list)
return mac_list
def leader_gets_own_mesh_macs(self):
with open('/sd/www/leader_mesh_list.txt') as f:
temp_mac_list = f.read().split('\r\n')
f.close()
mac_list = list(dict.fromkeys(temp_mac_list[:-1]))
mac_list.append(self.mac)
return mac_list
def pop_mesh_pairs_list(self):
mps = self.pymesh.mesh.get_mesh_pairs()
if len(mps) == 0:
time.sleep(5)
mps = self.pymesh.mesh.get_mesh_pairs()
if len(mps) == 0:
time.sleep(5)
mps = self.pymesh.mesh.get_mesh_pairs()
else:
return mps
else:
return mps
# ============================================================================
# Time related functions
def set_js_time(self, jtime):
time_from_jtime = jtime[2:-2]
jtime_from_message_tuple = tuple(map(int, time_from_jtime.split(", ")))
self.rtc.init(jtime_from_message_tuple)
print("Time set")
def set_my_time(self, sending_mac):
if len(sending_mac) == 0:
print("Mac address format wrong")
else:
now_time = utime.localtime()
msg = ("JM set time 01 %s" % str(now_time))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def how_time_set(self, sending_mac):
if len(sending_mac) == 0:
print("Mac address format wrong")
else:
now_time = self.current_time()
msg = self.make_message_status((
"Current:" + now_time +
" Else, (year, month, day, hours, minutes, seconds, micros, timezone)"
))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def set_time(self, sending_mac, msg):
if len(sending_mac) == 0:
print("Mac address format wrong")
return
time_from_message_string = msg[16:-1]
print(time_from_message_string)
time_from_message_tuple = tuple(
map(int, time_from_message_string.split(", ")))
self.rtc.init(time_from_message_tuple)
msg = self.make_message_status("Time Set")
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def format_time(self, given_time):
format_time = (
"[%d:%d %d/%d]" %
(given_time[3], given_time[4], given_time[1], given_time[2]))
return format_time
def current_time(self):
current_time = utime.localtime()
formatted_time = self.format_time(current_time)
return formatted_time
def first_time_set(self):
current_time = utime.localtime()
if current_time[0] == 1970:
print("Time's wrong, send request to fix")
wake = self.make_message_status("wake up 1!")
time.sleep(1)
self.pymesh.send_mess(1, str(wake))
time.sleep(1)
msg = ("JM set my time %s" % str(self.mac))
self.pymesh.send_mess(1, str(msg))
time.sleep(1)
else:
print("Time is correct")
# ============================================================================
# Sending node info functions
def send_mesh_version(self, sending_mac, lh_mesh_version):
if len(sending_mac) == 0:
print("Mac address format wrong")
return
msg = self.make_message_status(
("Node SW version: %s" % lh_mesh_version))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def send_name(self, sending_mac):
self.pymesh.send_mess(sending_mac, str(self.node_name))
time.sleep(1)
def send_self_info(self, sending_mac):
if len(sending_mac) == 0:
print("Mac address format wrong")
return
node_info = str(self.pymesh.mesh.get_node_info())
msg = self.make_message_status(("self info: %s" % node_info))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
# ============================================================================
# Leader related functions
def find_leader(self):
node_state = self.pymesh.status_str()
print("Node state : %s" % str(node_state))
mesh_mac_list = self.pymesh.mesh.get_mesh_mac_list()
if node_state[:6] == 'Role 4':
leader_mac = self.mac
elif len(mesh_mac_list) == 2:
leader_mac = mesh_mac_list.remove(self.mac)
else:
mps = self.pop_mesh_pairs_list()
try:
leader_mac = mps[0][1]
except:
leader_mac = self.mac
return leader_mac
def send_leader_hi(self, leader):
if self.mac == leader:
print(
"Either this node is the leader or not connected to mesh, not saying hi"
)
else:
msg = ("JM add me %s" % self.mac)
self.pymesh.send_mess(leader, str(msg))
time.sleep(1)
def wake_up_leader_to_add(self):
leader = self.find_leader()
if self.mac != leader:
self.send_leader_hi(leader)
time.sleep(4)
self.send_leader_hi(leader)
def add_me_leader(self, sending_mac):
print("Adding to mesh leader mac list")
msg = self.make_message_status("Node Added")
with open('/sd/www/leader_mesh_list.txt') as f:
temp_mac_list = f.read().split('\r\n')
f.close()
if (sending_mac in temp_mac_list):
print("Node already in list")
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
else:
with open('/sd/www/leader_mesh_list.txt', 'a') as f:
f.write(sending_mac)
f.write('\r\n')
f.close()
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def ask_for_mesh_macs(self):
leader = self.find_leader()
msg = ("JM send mml %s" % self.mac)
self.pymesh.send_mess(leader, str(msg))
time.sleep(1)
time.sleep(1)
def send_back_mml(self, sending_mac):
temp_mac_list = []
with open('/sd/www/leader_mesh_list.txt') as f:
temp_mac_list = f.read().split('\r\n')
f.close()
mac_list = list(dict.fromkeys(temp_mac_list[:-1]))
mac_list.append(self.mac)
msg = ("JM receive mml %s" % str(mac_list))
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
# ============================================================================
# Sensor data messages
def send_battery_voltage(self, sending_mac):
if len(sending_mac) == 0:
print("Mac address format wrong")
return
try:
volts = str(self.py.read_battery_voltage())
msg = self.make_message_status(
('Mac Address %s battery level is: %s' % (self.mac, volts)))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
except:
if self.exp31 == True:
msg = self.make_message_status("No ADC")
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def send_temp(self, sending_mac):
if self.pysense_s == True:
if len(sending_mac) == 0:
print("Mac address format wrong")
return
msg1 = self.make_message_status(
("Temperature: " + str(self.si.temperature()) +
" deg C and Relative Humidity: " + str(self.si.humidity()) +
" %RH"))
self.pymesh.send_mess(sending_mac, str(msg1))
time.sleep(1)
elif self.pysense_s == False:
no_temp = "This node doesn't have Temp"
msg = self.make_message_status(no_temp)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def send_baro(self, sending_mac):
if self.pysense_s == True:
if len(sending_mac) == 0:
print("Mac address format wrong")
return
msg1 = self.make_message_status(
("MPL3115A2 temperature: " + str(self.mp.temperature()) +
" Altitude: " + str(self.mp.altitude())))
self.pymesh.send_mess(sending_mac, str(msg1))
time.sleep(1)
elif self.pysense_s == False:
no_baro = "This node doesn't have Baro"
msg = self.make_message_status(no_baro)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
def sending_gps(self, sending_mac):
if self.pytrack_s == True:
coord = self.l76.coordinates()
msg = self.make_message_status(str(coord))
time.sleep(1)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
elif self.pytrack_s == False:
no_gps = "This node doesn't have GPS"
msg = self.make_message_status(no_gps)
self.pymesh.send_mess(sending_mac, str(msg))
time.sleep(1)
# ============================================================================
# Border node functions
def ask_nodes_if_lte(mml):
print("will have this ask nodes if LTE")
def reply_if_lte(sending_mac):
print("This will respond if LTE")
def ask_nodes_if_BR(mml):
print("This will ask if nodes are BR")
def reply_if_BR(sending_mac):
print("This will reply if node is BR")
def __init__(self, i2c=None, sda='P22', scl='P21'):
Pycoproc.__init__(self, i2c, sda, scl)
