def nvs_transmit():
while True:
time.sleep(5)
try:
os.stat('data.dat')
exists = True
except:
exists = False
if exists:
gc.collect()
gc.mem_free()
p0 = int(pycom.nvs_get('p0'))
p1 = int(pycom.nvs_get('p1'))
pycom.nvs_set('t', p1)
if p1 > p0:
print (p0)
print (p1)
f1 = open('data.dat', 'rb')
f1.seek(p0)
payload = binascii.hexlify(f1.read(p1-p0))
print(payload)
f1.close()
sendATcommandPOST(payload)
print("Transmission completed")
def make_payload():
pycom.rgbled(blue)
#distance = distance_median()
count = pycom.nvs_get('dist')
utime.sleep_us(100)
#randomize water distance
distance = os.urandom(1)[0]
print("distance = {0} inches".format(distance))
utime.sleep_ms(100)
#subract 0.1V from battery voltage every 5 counts
c = count
v = pycom.nvs_get('v')
if c % 5 == 0:
v += 1
pycom.nvs_set('v', v)
print("v={0}".format(v))
voltage = 4.0 - v * 0.1
print("Measured Voltage: {0}V".format(voltage))
#randomize flow rate
x = os.urandom(1)[0]
flow_rate = x % 4
if (flow_rate < 3):
print(flow_rate)
else:
flow_rate -= 1
print(flow_rate)
print("Flow Rate: {0}".format(flow_rate))
#generate encoded packet to send to webapp
full_packet = ustruct.pack('f', count) + ustruct.pack(
'f', float(distance)) + ustruct.pack('f', voltage) + ustruct.pack(
'f', float(flow_rate))
return full_packet
def checkRolloutSuccess(self):
# Check if the previous rollout was successful if it exists
try:
print("....Checking rollout success state....")
if pycom.nvs_get("rolloutid"):
print(pycom.nvs_get("rolloutid"))
myobj = {}
myobj["mac"] = ubinascii.hexlify(machine.unique_id(),
':').decode()
myobj["firmware_version"] = "1.0.0"
myobj["rollout_id"] = pycom.nvs_get("rolloutid")
headers = {
"Content-Type": "application/json",
"x-access-token": self.authToken
}
x = post(config.checkRolloutSuccess,
json=myobj,
headers=headers)
# print(x.text)
# firmware_version = x.json()
# More work required
else:
print("No rollout exists")
except Exception as e:
print("Failed to check rollout success: ", e)
def test_pycom_nv_set_get(self):
pycom.nvs_set("test_key_asdf", 1234)
val = pycom.nvs_get("test_key_asdf")
self.assertEqual(val, 1234)
pycom.nvs_set("test_key_asdf", 5678)
val = pycom.nvs_get("test_key_asdf")
self.assertEqual(val, 5678)
def aggregate():
try:
pycom.nvs_set('val', int(pycom.nvs_get('val')) + 1)
except:
pycom.nvs_set('val', 0)
print('Deepsleep Remaining: ' + str(machine.remaining_sleep_time()))
print('New Aggregate: ' + str(pycom.nvs_get('val')))
print('Current Message ID: ' + str(pycom.nvs_get('msgID')))
def setup():
global logger, rtc, sd, iCAM, iACC, CTLR_IPADDRESS, logfile, filename
global wdt, ow, temp, py, sensor
gc.enable()
# HW Setup
wdt = WDT(timeout=wdt_timeout)
sd = SD()
rtc = RTC()
os.mount(sd,'/sd')
# Enable WiFi Antenna
Pin('P12', mode=Pin.OUT)(True)
# TEMPERATURE SENSORS: DS18B20 and SI7006A20
ow = OneWire(Pin('P10'))
temp = DS18X20(ow)
py = Pysense()
sensor = SI7006A20(py)
# SYSTEM VARIABLES
iCAM = pycom.nvs_get('iCAM') # pycom.nvs_set('iCAM',1)
iACC = pycom.nvs_get('iACC') # pycom.nvs_set('iACC',1)
logfile='/sd/log/{}.log'.format(datetime_string(time.time()))
logging.basicConfig(level=logging.DEBUG,filename=logfile)
logger = logging.getLogger(__name__)
# # NETWORK VARIABLES
# pbconf = pybytes.get_config()
# AP = pbconf['wifi']['ssid']
# if AP == 'wings':
# CTLR_IPADDRESS = '192.168.1.51'
# elif AP == 'RUT230_7714':
# CTLR_IPADDRESS = '192.168.1.100'
# # CONNECT TO AP
# wlan = WLAN(mode=WLAN.STA)
# while not wlan.isconnected():
# nets = wlan.scan()
# for net in nets:
# if net.ssid == 'RUT230_7714':
# pybytes.connect_wifi()
#
# wlan.ifconfig(config=('192.168.1.100', '255.255.255.0', '192.168.1.1', '8.8.8.8'))
# wlan.connect('RUT230_7714', auth=(WLAN.WPA2, 'Ei09UrDg'), timeout=5000)
# while not wlan.isconnected():
# machine.idle() # save power while waiting
socket_client.CTLR_IPADDRESS = CTLR_IPADDRESS
# GREETING
logger.info('--------------------')
logger.info(' Starting CAM{}-ACC{}'.format(iCAM, iACC))
logger.info('--------------------')
logger.info('AP={}'.format(AP))
gc.collect()
return
def nvs_write():
while True:
time.sleep(1)
print('Write.....')
p = int(pycom.nvs_get('p'))
pycom.nvs_set('t'+str(p), utime.mktime(utime.gmtime()))
pycom.nvs_set('d'+str(p), utime.mktime(utime.gmtime()))
p = p + 1
pycom.nvs_set('p', p)
print(pycom.nvs_get('p'))
def nvs_read():
while True:
print('Read.....')
p = int(pycom.nvs_get('p'))
c = 0
while c < p:
#print("Position No. %d time: $d, data: %d" % (p, pycom.nvs_get('t'+str(p)), pycom.nvs_get('d'+str(p))))
print("Position No. %d %02x %02x" % (c, pycom.nvs_get('t'+str(c)), pycom.nvs_get('d'+str(c))))
#print("Position No. %d %d %d" % (c, pycom.nvs_get('t'+str(c)), pycom.nvs_get('d'+str(c))))
c += 1
time.sleep(1)
def __init__(self, bq25895):
self._bq25895 = bq25895
self.adc = ADC()
self.p_SHDN_ = Pin('P21', mode=Pin.OUT) #shutdown/enable ampli op
self.pwr_ticks = utime.ticks_us()
try:
pycom.nvs_get("pwr_uAH")
except Exception as e:
pycom.nvs_set("pwr_uAH", 0)
self.pwr_nAH = 0
self.__alarm = Timer.Alarm(self.mesure, 1, periodic=True)
def _getNVS(key):
'''
Looks up at the non volatile storage for a specified key. If it exists, returns the value stored
for that key. Otherwise, returns None
'''
try:
if pycom.nvs_get(key) is not None:
return pycom.nvs_get(key)
except Exception:
# Do nothing, key doesnt exist
pass
return None
def readLongList(self, name):
longVars = []
i = 0
while True:
try:
lsb = pycom.nvs_get(name + str(i) + 'l')
msb = pycom.nvs_get(name + str(i) + 'm')
except:
break
else:
longVars.append(struct.pack(">HI", msb, lsb))
i = i + 1
return longVars
def setup():
global logger, rtc, sd, iCAM, iACC, CTLR_IPADDRESS, logfile, filename
global wdt
gc.enable()
# HW Setup
wdt = WDT(timeout=wdt_timeout)
sd = SD()
rtc = RTC()
os.mount(sd, '/sd')
# SYSTEM VARIABLES
iCAM = pycom.nvs_get('iCAM') # pycom.nvs_set('iCAM',1)
iACC = pycom.nvs_get('iACC') # pycom.nvs_set('iACC',1)
logfile = '/sd/log/{}.log'.format(datetime_string(time.time()))
logging.basicConfig(level=logging.DEBUG, filename=logfile)
logger = logging.getLogger(__name__)
# NETWORK VARIABLES
pbconf = pybytes.get_config()
AP = pbconf['wifi']['ssid']
if AP == 'wings':
CTLR_IPADDRESS = '192.168.1.51'
elif AP == 'RUT230_7714':
CTLR_IPADDRESS = '192.168.1.100'
# CONNECT TO AP
wlan = WLAN(mode=WLAN.STA)
while not wlan.isconnected():
nets = wlan.scan()
for net in nets:
if net.ssid == 'RUT230_7714':
pybytes.connect_wifi()
# wlan.ifconfig(config=('192.168.1.100', '255.255.255.0', '192.168.1.1', '8.8.8.8'))
# wlan.connect('RUT230_7714', auth=(WLAN.WPA2, 'Ei09UrDg'), timeout=5000)
# while not wlan.isconnected():
# machine.idle() # save power while waiting
socket_client.CTLR_IPADDRESS = CTLR_IPADDRESS
# GREETING
logger.info('--------------------')
logger.info(' Starting CAM{}-ACC{}'.format(iCAM, iACC))
logger.info('--------------------')
logger.info('AP={}'.format(AP))
gc.collect()
return
def extractInt(self, topic):
# extract integer from nvram topic and put string in self.string
cnt = 0
self.string = ""
x = []
while True:
if nvs_get(topic + str(cnt)) == None:
break
else:
x.append(
self.int2str(nvs_get(topic + str(cnt))).decode("utf-8"))
cnt += 1
while len(x) > 0:
self.string = self.string + x[len(x) - 1]
x = x[:len(x) - 1]
temp = self.string
def flash_detect_main():
flash_counter = pycom.nvs_get('flash_counter')
if flash_counter is None:
flash_counter = 0
flash_counter += 1
pycom.nvs_set('flash_counter', flash_counter)
go_back_to_sleep()
def __init__(self, config, message_callback):
if config is not None:
self.__conf = config
try:
self.__host = pycom.nvs_get('pybytes_server')
except:
self.__host = config.get('server')
self.__ssl = config.get('ssl', False)
self.__ssl_params = config.get('ssl_params', {})
self.__user_name = config.get('username')
self.__device_id = config.get('device_id')
self.__mqtt_download_topic = "d" + self.__device_id
self.__mqtt_upload_topic = "u" + self.__device_id
self.__pybytes_protocol = PybytesProtocol(
config, message_callback, pybytes_connection=self
)
self.__connection = None
self.__connection_status = constants.__CONNECTION_STATUS_DISCONNECTED
self.__lora_socket = None
self.lora = None
self.lora_lock = _thread.allocate_lock()
self.__sigfox_socket = None
self.lte = None
self.wlan = None
self.__network_type = None
self.__wifi_lte_watchdog = None
def forceRTC(dt, type_dt):
global rtc
try:
# dt = pycom.nvs_get('rtc')
if type_dt == "tuple":
print("Step RTC - Forcing Tuple RTC to " + str(dt))
rtc.init(dt)
elif type_dt == "epoch":
print("Step RTC - Forcing Epoch RTC to " + str(int(dt)))
rtc.init(utime.gmtime(int(dt)))
utime.sleep(3)
tools.debug("Setting time: " + str(int(utime.time())), "v")
try:
pycom.nvs_set('clock', str(int(utime.time())))
except OSError as err:
tools.debug("Error setting RTC: " + str(err), "v")
utime.sleep(5)
try:
dt_current = pycom.nvs_get('clock')
except OSError as err:
dt_current = -1
tools.debug("Error getting RTC: " + str(err), "v")
tools.debug(
"Current time: " + str(int(dt_current)) + " - RTC: " +
str(getDatetime()), "v")
except Exception as e1:
checkError("Step RTC - Error initializing parametetr", e1)
def getResetCause():
try:
reset_cause = machine.reset_cause()
debug(
"Reset cause: " + str(reset_cause) + " - Sleeping secs: " +
str(globalVars.deepSleepSec), "v")
try:
globalVars.deepSleepSec = pycom.nvs_get('deepSleepSecs')
except BaseException as ea:
checkError("Error getting flash value of", ea)
if globalVars.deepSleepSec == 0:
debug("Coming from other reasons", "v")
BeepBuzzer(1)
elif globalVars.deepSleepSec > 0:
pycom.nvs_set('deepSleepSecs', 0)
globalVars.deepSleepSec = 0
if synchronizeRTC():
globalVars.flag_rtc_syncro = True
BeepBuzzer(0.2)
else:
debug("Another reason for the reset", "v")
BeepBuzzer(1)
except BaseException as e:
checkError("Error getting reset cause", e)
def nvs_get_default(key, default=None):
try:
val = pycom.nvs_get(key)
if val == None:
val = default
return val
except ValueError:
return default
def measurements():
global MSG_ID, TEMP, MOIST, VOLTAGE
MSG_ID = pycom.nvs_get('msg_id')
TEMP = _temp_sensor()
VOLTAGE = _battery()
MOIST = _moist_sensor()
print('Measurements:', MSG_ID, TEMP, VOLTAGE, MOIST)
def initRTC():
global rtc
try:
dt = pycom.nvs_get('clock')
print("Step RTC - Initializing RTC to " + str(int(dt)))
rtc.init(utime.gmtime(int(dt)))
utime.sleep(2)
except Exception as e1:
checkError("Step RTC - Error initializing parametetr", e1)
def LoRaSend(val,ch):
sl = socket.socket(socket.AF_LORA, socket.SOCK_RAW)
sl.setblocking(True)
sl.send(encrypt(SITE+mac()+'/'+ch+'&'+val)) # Send on LoRa Network & wait Reply
sl.setblocking(False)
try:
pycom.nvs_set('msgID',pycom.nvs_get('msgID')+1)
except:
pycom.nvs_set('msgID',0)
print("Sent",ch)
def deep_sleep():
id = pycom.nvs_get('msg_id')
pycom.nvs_set('msg_id', id + 1)
print('Start deep sleep...')
py.setup_int_pin_wake_up(True)
py.setup_int_wake_up(False, True)
#py.setup_sleep(3600) # 1 hour
py.setup_sleep(600) # 10 min
deep_sleep_led()
py.go_to_sleep()
def nvs_get(key, default=None):
""" Reads non-volatile state and returns default if not defined
Some Pycom versions return None if the value is undefined. Some throw an
error. This function suppresses the error and adds a default feature.
"""
try:
return pycom.nvs_get(key) or default
except:
return default
def log(self, level, msg, *args):
if level >= (self.level or _level):
_stream.write("%3d %2d - %5s - %s :" %
(pycom.nvs_get('day'), time.time(),
self._level_str(level), self.name))
if not args:
print(msg, file=_stream)
else:
print(msg % args, file=_stream)
if _filename is not None:
_stream.flush()
def mesure(self, alarm):
old = self.pwr_ticks
self.pwr_ticks = utime.ticks_us()
delta = utime.ticks_diff(self.pwr_ticks, old)
self.pwr_nAH = self.pwr_nAH + int(self.getPWR() * delta / 3600)
uAH = self.pwr_nAH // 1000
#print("nAH : {}, uAH : {}".format(self.pwr_nAH, uAH))
if uAH > 0:
self.pwr_nAH = self.pwr_nAH - (uAH * 1000)
uAH = pycom.nvs_get("pwr_uAH") + uAH
#print("pwr_uAH :{}".format(uAH))
pycom.nvs_set("pwr_uAH", uAH)
def nvs_get(key, default_value=0):
""" Get value for key from NVRAM. Create the key if it does not exist.
:param str key:
:param int default_value: value to use when creating the key
:return value int: (NVRAM can only store integers)
"""
value = pycom.nvs_get(key)
if value is None:
pycom.nvs_set(key, int(default_value))
value = int(default_value)
return value
def synchronizeRTC():
try:
tools.debug("Synching RTC to " + str(int(utime.time())), "v")
last_valid_time = 0
offset = 15
sleepTime = 0
try:
sleepTime = pycom.nvs_get('deepSleepSecs')
last_valid_time = pycom.nvs_get('clock')
except Exception as e:
checkError("Error getting DT", e)
return False
utime.sleep(2)
current_dt = int(last_valid_time) + int(sleepTime) + offset
forceRTC(int(current_dt), "epoch")
return True
except Exception as e:
checkError("Error updating RTC", e)
return False
def ammend_to_file():
try:
f = open('/flash/log.txt', 'r')
lines = f.readlines()
f.close()
lines = lines[1:]
print(lines[-20:-1])
f = open('/flash/log.txt', 'w')
for a in range(0, 999):
try:
f.write(lines[a])
except:
f.write('\n')
f.close()
except:
pass
f = open('/flash/log.txt', 'a')
f.write(str(pycom.nvs_get('msgID')))
f.write(',')
f.write(str(pycom.nvs_get('val')))
f.write('\n')
f.close()
def dbg(v=None, verbose=True):
if v is None:
try:
d = pycom.nvs_get(key)
if verbose:
print("current", d)
return d
except:
if verbose:
print("not set")
return 0
else:
try:
d = pycom.nvs_get(key)
if verbose:
print("previous", d)
except:
if verbose:
print("not set yet, setting ...")
pycom.nvs_set(key, v) # 1,2,3,4,5,6, 99
if verbose:
print("new", pycom.nvs_get(key))
def set_GPS_timeout(l76=None):
"""Set the GPS timeout according to the number of satellites in view"""
if l76 == None:
l76 = L76GNSS(timeout=conf.GPS_TIMEOUT)
if l76.check_satellites() < '04' and pycom.nvs_get('gpscount') < 2:
pycom.nvs_set('gpscount', pycom.nvs_get('gpscount') + 1)
conf.DEEP_SLEEP_PERIOD = 150 # 2 minutes 30s
elif l76.check_satellites() < '04':
pycom.nvs_set('gpscount', 0)
conf.DEEP_SLEEP_PERIOD = 900 # 15 minutes
else:
#latlng = l76.coordinates(1)
"""
if latlng[0] == None or latlng[1] == None:
conf.GPS_TIMEOUT = 300
conf.DEEP_SLEEP_PERIOD = 60 # 1 minute
return True
else:
conf.DEEP_SLEEP_PERIOD = 300 # 15 minutes
return True
"""
return True
return False
