def reset_gsm(delay=45):
print(">> Resetting GSM Module")
mc = common.get_mc_server()
mc.set('rst_gsm_done', False)
#SIM800L
try:
raise CustomGSMResetException
reply = gsmcmd('AT+CPOWD=1')
print(">> Waiting GSM Reboot")
print(delay)
time.sleep(delay)
except CustomGSMResetException:
print(">> Hard Reset Initialized")
sconf = common.get_config_handle()
reset_pin = sconf['gsmio']['resetpin']
GPIO.setmode(GPIO.BOARD)
GPIO.setup(reset_pin, GPIO.OUT)
GPIO.output(reset_pin, False)
time.sleep(0.2)
GPIO.output(reset_pin, True)
print(delay)
time.sleep(delay)
mc.set('rst_gsm_done', True)
return
def write_sms_to_outbox(sms_msg, pb_id=None, send_status=0):
query = ("INSERT INTO smsoutbox (ts_written,pb_id,sms_msg,"
"send_status) VALUES ")
tsw = dt.today().strftime("%Y-%m-%d %H:%M:%S")
mc = common.get_mc_server()
inv_pb_names = mc.get('phonebook_inv')
# default send to server if sim_num is empty
if not pb_id:
#mc = common.get_mc_server()
s_conf = common.get_config_handle()
#pb_names = mc.get('pb_names')
#sendto = s_conf['serverinfo']['sendto']
#inv_pb_names = {v: k for k, v in pb_names.items()}
#print inv_pb_names
#pb_id = inv_pb_names[sendto]
pb_id = s_conf['serverinfo']['simnum']
pb_id = inv_pb_names[str(pb_id)]
query += "('%s','%s','%s','%s')" % (tsw, pb_id, sms_msg, send_status)
print(query)
commit_to_db(query, "WriteOutboxMessageToDb")
def init_gsm(delay=45):
print('Connecting to GSM modem')
mc = common.get_mc_server()
mc.set('init_gsm_done', False)
gsm = init_gsm_serial()
reset_gsm(delay)
print("Initializing ...")
gsm.write(('AT\r\n').encode())
time.sleep(0.5)
gsm.write(('AT\r\n').encode())
time.sleep(0.5)
print('Switching to no-echo mode', gsmcmd('ATE0').strip('\r\n'))
print('Switching to text mode', gsmcmd('AT+CMGF=1').rstrip('\r\n'))
try:
sconf = common.get_config_handle()
simnetconfig = 'AT+COPS=1,1,"{}"'.format(sconf['coordinfo']['simnet'])
print('Connecting manually to network',
gsmcmd(simnetconfig).rstrip('\r\n'))
except:
print(">> Error connecting to sim network")
mc.set('init_gsm_done', True)
gsm.close()
def main():
parser = argparse.ArgumentParser(description="Health routine [-options]")
parser.add_argument("-r",
"--read_only",
help="do not save data to memory",
action='store_true')
try:
args = parser.parse_args()
except IndexError:
print '>> Error in parsing arguments'
error = parser.format_help()
print error
sys.exit()
mc = common.get_mc_server()
ts = dt.today()
ts_str = ts.strftime("%x,%X,")
try:
if mc.get('rst_gsm_done') * mc.get('init_gsm_done'):
gsmio.check_csq()
csq = int(mc.get("csq_val"))
csq = str(csq)
else:
print ">> GSM is busy"
csq = "98"
except:
print ">> Error reading GSM CSQ. Setting CSQ to error value"
csq = "98"
cfg = mc.get("server_config")
try:
mmpertip = float(cfg['rain']['mmpertip'])
except:
os.system('sudo shutdown -r +1')
sys.exit()
rainval = "%0.2f" % (rd.check_rain_value(reset_rain=True) * mmpertip)
sysvol = "%0.2f" % (pmon.read()["bus_voltage"])
temp = os.popen("vcgencmd measure_temp").readline()
tempval = temp.replace("temp=", "").replace("'C\n", "")
print "Temperature: {0}".format(tempval)
msgtosend = cfg["coordinfo"]["name"] + "W," + ts_str
msgtosend += "0,000," + tempval + "," + rainval + ","
msgtosend += sysvol + ","
msgtosend += csq
if not args.read_only:
print ">> Saving to memory:"
time.sleep(5)
print msgtosend
common.save_sms_to_memory(msgtosend)
def check_csq():
csq_reply = gsmcmd('AT+CSQ')
mc = common.get_mc_server()
print csq_reply
try:
csq_val = int(re.search("(?<=: )\d{1,2}(?=,)",csq_reply).group(0))
mc.set("csq_val",csq_val)
return csq_val
except (ValueError, AttributeError):
return 0
except TypeError:
return 0
def ring_isr(channel):
print(dt.now())
time.sleep(1)
mc = common.get_mc_server()
if mc.get('rst_gsm_done') * mc.get('init_gsm_done'):
# check if RI from call
if GPIO.input(channel) == 0:
print(">> Dropping call...", end=' ')
gsmio.gsmcmd("ATH")
print('done')
else:
#common.save_smsinbox_to_memory()
#print("spawning process ...", end=' ')
# common.spawn_process("sudo python /home/pi/gateway/command.py > /home/pi/gateway/command_out.txt 2>&1")
#common.spawn_process("python /home/pi/gateway/command.py")
print("done")
else:
print(">> GSM reset ongoing...")
def init_gsm():
print 'Connecting to GSM modem'
mc = common.get_mc_server()
mc.set('init_gsm_done',False)
gsm = init_gsm_serial()
reset_gsm()
print "Initializing ..."
gsm.write('AT\r\n')
time.sleep(0.5)
gsm.write('AT\r\n')
time.sleep(0.5)
print 'Switching to no-echo mode', gsmcmd('ATE0').strip('\r\n')
print 'Switching to text mode', gsmcmd('AT+CMGF=1').rstrip('\r\n')
mc.set('init_gsm_done',True)
gsm.close()
def get_phonebook_numbers():
print('>> Getting phonebook entries')
query = 'select * from phonebook'
pb_items = query_database(query)
pb_numbers = {}
pb_names = {}
for item in pb_items:
print(item)
pb_id, name, sim_num = item
pb_numbers[pb_id] = sim_num
pb_names[pb_id] = name
print(pb_numbers)
print(pb_names)
mc = common.get_mc_server()
mc.set('pb_numbers', pb_numbers)
mc.set('pb_names', pb_names)
def reset_gsm():
print ">> Resetting GSM Module"
mc = common.get_mc_server()
mc.set('rst_gsm_done',False)
#SIM800L
sconf = common.get_config_handle()
reset_pin = sconf['gsmio']['resetpin']
GPIO.setmode(GPIO.BOARD)
GPIO.setup(reset_pin, GPIO.OUT)
GPIO.output(reset_pin, False)
time.sleep(0.5)
GPIO.output(reset_pin, True)
time.sleep(45)
mc.set('rst_gsm_done',True)
return
def send_unsent_msg_outbox():
mc = common.get_mc_server()
if mc.get("sms_in_db"):
print ">> Messages in db"
else:
print ">> No message in db. Aborting"
return
all_sms = dbio.get_db_outbox()
try:
for sms in all_sms:
sms_id = sms.sid
stat = gsmio.send_msg(sms.msg, sms.simnum)
if stat == 0:
print "Updating send status in database..."
dbio.update_smsoutbox_send_status(sms_id)
print "Done updating send status in database"
except TypeError:
print '>> Aborting'
mc.set("sms_in_db", False)
# from gsmSerialio import *
import configparser, os, sys, subprocess
from datetime import datetime as dt
from crontab import CronTab
import gsmio
import common
import processcontrol as pctrl
import dbio
import subprocess
mc = common.get_mc_server()
sconf = common.get_config_handle()
def gateway_initialize():
common.main()
def change_server_number(row):
cfg = common.read_cfg_file()
args = row['msg'].split()
try:
number = args[2]
except IndexError:
reply = "Insufficient arguments."
common.save_sms_to_memory(reply, row['contact_id'])
return
print("Changing server num")
def send_msg(msg, number):
"""
Sends a command 'cmd' to GSM Module
Returns the reply of the module
Usage: str = gsmcmd()
"""
# under development
# return
check_count = 0
csq = 0
print '>> Check csq ...'
while check_count < 10 and csq < 10:
csq = check_csq()
time.sleep(0.5)
check_count += 1
if check_count >= 10:
print ">> No connection to network. Aborting ..."
return -2
#raise CustomGSMResetException
# resolve sim_num from number
mc = common.get_mc_server()
pb_numbers = mc.get('phonebook')
try:
if type(number) == int or type(number) == long:
number = pb_numbers[number]
elif type(str):
pass
except KeyError:
print ">> No record for phonebook id:", number
return -1
gsm = init_gsm_serial()
try:
a = ''
now = time.time()
preamble = "AT+CMGS=\""+number+"\""
print "\nMSG:", msg
print "NUM:", number
gsm.write(preamble+"\r")
now = time.time()
while a.find('>')<0 and a.find("ERROR")<0 and time.time()<now+20:
a += gsm.read(gsm.inWaiting())
time.sleep(0.5)
print '.',
if time.time()>now+20 or a.find("ERROR") > -1:
print '>> Error: GSM Unresponsive at finding >'
print a
return -2
else:
print '>'
a = ''
now = time.time()
gsm.write(msg+chr(26))
while a.find('OK')<0 and a.find("ERROR")<0 and time.time()<now+60:
a += gsm.read(gsm.inWaiting())
time.sleep(0.5)
print ':',
if time.time()-60>now:
print '>> Error: timeout reached'
return -1
elif a.find('ERROR')>-1:
print '>> Error: GSM reported ERROR in SMS sending'
network_stat = check_network()
if network_stat == 0:
# no network connection (AT+COPS?)
return -2
#raise CustomGSMResetException
return -1
else:
print ">> Message sent!"
return 0
except serial.SerialException:
print "NO SERIAL COMMUNICATION (sendmsg)"
finally:
gsm.close()
def send_smsoutbox_memory():
# lockscript.get_lock('gsm')
print "Sending from memory ..."
mc = common.get_mc_server()
sc = mc.get('server_config')
smsoutbox = mc.get("smsoutbox")
# print smsoutbox
phonebook = mc.get("phonebook")
resend_limit = sc['gsmio']['sendretry']
smsoutbox_unsent = smsoutbox[smsoutbox["stat"] < resend_limit]
print smsoutbox_unsent
for index, row in smsoutbox_unsent.iterrows():
sms_msg = row['msg']
sim_num = phonebook[row["contact_id"]]
if len(sms_msg) > 160:
smsoutbox.loc[index, 'stat'] = 99
print "Abort sending", sms_msg
continue
stat = gsmio.send_msg(sms_msg, sim_num)
if stat == 0:
smsoutbox.loc[index, 'stat'] = resend_limit
print '>> Message sent'
else:
print '>> Message sending failed'
print '>> Writing to mysql for sending later'
smsoutbox.loc[index, 'stat'] += 1
if smsoutbox.loc[index, 'stat'] >= resend_limit:
dbio.write_sms_to_outbox(sms_msg, sim_num)
mc.set("sms_in_db", True)
if stat == -2:
print '>> Updating smsoutbox before GSM reset'
smsoutbox_updated = mc.get("smsoutbox")
ts_latest = smsoutbox.ts.max()
smsoutbox_new_inserts = smsoutbox_updated[
smsoutbox_updated.ts > ts_latest]
smsoutbox = smsoutbox.append(smsoutbox_new_inserts,
ignore_index=True)
mc.set("smsoutbox", smsoutbox)
print '>> Done updating smsoutbox'
raise gsmio.CustomGSMResetException
print smsoutbox
# get smsoutbox for new messages inserted while sending
smsoutbox_updated = mc.get("smsoutbox")
# get all items later than the latest ts of smsoutbox
ts_latest = smsoutbox.ts.max()
smsoutbox_new_inserts = smsoutbox_updated[smsoutbox_updated.ts > ts_latest]
# append new items in existing smsoutbox
smsoutbox = smsoutbox.append(smsoutbox_new_inserts, ignore_index=True)
mc.set("smsoutbox", smsoutbox)