def checkCon(pin):
a = SER.send('DEBUG: Now in checkCon...\r\n')
#print '\r\ncheckCon PIN:',pin
res = MDM2.send('AT+CREG?\r',0)
res = MDM2.receive(30)
b = SER.send('DEBUG: following is result from AT+CREG?\r\n')
c = SER.send(res);
if ( (res.find('0,1') > -1) or (res.find('0,5') > -1 ) ):
return 1
ret = ''
ret = setPin(pin)
if ( ret != 1 ):
GPIO.setIOdir(19,1,1)
return -1
timer = MOD.secCounter() + 120
while ( (res.find('0,1') == -1) and (res.find('0,5') == -1 ) ):
res = MDM2.send('AT+CREG?\r',0)
res = MDM2.receive(20)
b = SER.send('DEBUG: following is result from AT+CREG?\r\n')
c = SER.send(res);
if ( MOD.secCounter() > timer ):
return -1
MOD.sleep(50)
MOD.sleep(20)
return 1
def sendAT(self, atcom, atres, trys = 1, timeout = 1, csd = 1):
mdm_timeout = int(self.config.get('TIMEOUT_MDM'))
s = MDM2.receive(mdm_timeout)
result = -2
while(1):
if(csd):
self.tryCSD()
if(self.config.get('DEBUG_AT') == '1'):
self.debug.send('AT OUT: ' + atcom)
s = ''
MDM2.send(atcom, mdm_timeout)
timer = MOD.secCounter() + timeout
while(1):
s = s + MDM2.receive(mdm_timeout)
if(s.find(atres) != -1):
result = 0
break
if(s.find('ERROR') != -1):
result = -1
break
if(MOD.secCounter() > timer):
break
if(self.config.get('DEBUG_AT') == '1'):
self.debug.send('AT IN: ' + s[2:])
trys = trys - 1
if((trys <= 0) or (result == 0)):
break
MOD.sleep(15)
return (result, s)
def sendAT(self, atcom, atres, trys=1, timeout=1, csd=1):
mdm_timeout = int(self.config.get('TIMEOUT_MDM'))
s = MDM2.receive(mdm_timeout)
result = -2
while (1):
if (csd):
self.tryCSD()
if (self.config.get('DEBUG_AT') == '1'):
self.debug.send('AT OUT: ' + atcom)
s = ''
MDM2.send(atcom, mdm_timeout)
timer = MOD.secCounter() + timeout
while (1):
s = s + MDM2.receive(mdm_timeout)
if (s.find(atres) != -1):
result = 0
break
if (s.find('ERROR') != -1):
result = -1
break
if (MOD.secCounter() > timer):
break
if (self.config.get('DEBUG_AT') == '1'):
self.debug.send('AT IN: ' + s[2:])
trys = trys - 1
if ((trys <= 0) or (result == 0)):
break
MOD.sleep(15)
return (result, s)
def sendData(PIN,PO,HO,A,GU,GP,data,ll):
b = SER.send('\r\nIn sendData...sending\r\n' + data + '\r\n')
b = SER.send('\r\nHO=\r\n')
b = SER.send(HO)
b = SER.send('\r\npO=\r\n')
b = SER.send(PO)
b = SER.send('\r\n')
a = openGPRS(PIN,A,GU,GP)
a = openSD(HO)
res = MDM2.send('POST /' + PO + ' HTTP/1.1 Connection: close\r\n', 0)
res = MDM2.send('HOST: ' + HO + '\r\n', 0)
res = MDM2.send('User-Agent: Terminal Connect\r\n', 0)
res = MDM2.send('Content-Type: application/x-www-form-urlencoded\r\n', 0)
res = MDM2.send('Content-Length: '+ str(ll) +'\r\n\r\n', 0)
res = MDM2.send(data, 0)
res = MDM2.send('\r\n\r\n', 0)
cnt = 20
res = MDM2.receive(20)
a = SER.send('\r\nResponse from server ------------------------\r\n')
while ( (res.find('EOT') == -1) and (cnt > 0) ):
a = SER.send(res)
res = MDM2.receive(20)
cnt = cnt - 1
a = SER.send(res)
res = closeCon()
a = SER.send('\r\nend -----------------------------------------\r\n')
return res
def setPin(pin):
rr = ''
tt = MOD.secCounter() + 30
while ( rr.find('READY') == -1):
rr = MDM2.send('AT+CPIN?\r',0) # CPIN Status
rr = MDM2.receive(5)
if ( rr.find('SIM PIN') != -1 ):
bb = MDM2.send('AT+CPIN=' + pin + '\r',0) # set PIN
MOD.sleep(10) # wait 1sec
if ( MOD.secCounter() > tt ):
return -1
MOD.sleep(10)
return 1
def openSD(H):
res = MDM2.send('AT#SD=1,0,80,' + H +',0\r', 0)
timer = MOD.secCounter() + 30
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
a = SER.send('\r\nDEBUG: Back in openGPRS just did AT#SD=1,0,80....\r\n')
a = SER.send(H)
a = SER.send(res)
if ((res.find('CONNECT') >= 0) ):
timer = timer - 100
b = SER.send('\r\nsuccessfull connect, returning from openSD\r\n')
return 1
MOD.sleep(10)
return -1
def tryCSD(self):
ring = MDM2.getRI()
if(ring == 1):
at_timeout = int(self.config.get('TIMEOUT_AT'))
a, s = self.sendAT('ATA\r', 'CONNECT', 1, 10, 0)
if(a == 0):
self.debug.send('CSD CONNECTED')
while(ring == 1):
rcv = self.serial.receive(int(self.config.get('TCP_MAX_LENGTH')))
if(len(rcv) > 0):
self.sendMDM2(rcv)
rcv = self.receiveMDM2()
if(len(rcv) > 0):
self.serial.send(rcv)
ring = MDM2.getRI()
MOD.watchdogReset()
self.debug.send('CSD DISCONNECTED')
else:
self.debug.send('CSD CONNECT ERROR')
def checkRing():
data = MDM2.receive(5)
pos = data.find('+CLIP')
if(pos != -1):
data = data[pos + 6:].strip()
tokens = data.split(',')
if(len(tokens) > 0):
number = tokens[0].replace('"', '')
return number
return ''
def tryCSD(self):
ring = MDM2.getRI()
if (ring == 1):
at_timeout = int(self.config.get('TIMEOUT_AT'))
a, s = self.sendAT('ATA\r', 'CONNECT', 1, 10, 0)
if (a == 0):
self.debug.send('CSD CONNECTED')
while (ring == 1):
rcv = self.serial.receive(
int(self.config.get('TCP_MAX_LENGTH')))
if (len(rcv) > 0):
self.sendMDM2(rcv)
rcv = self.receiveMDM2()
if (len(rcv) > 0):
self.serial.send(rcv)
ring = MDM2.getRI()
MOD.watchdogReset()
self.debug.send('CSD DISCONNECTED')
else:
self.debug.send('CSD CONNECT ERROR')
def closeCon():
res = MDM2.send('+++\r', 10)
timer = MOD.secCounter() + 30
# Antwort +++ auswerten
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
if ((res.find('OK') >= 0) ):
timer = timer - 100
MOD.sleep(10)
res = MDM2.send('AT#SH=1\r', 0)
timer = MOD.secCounter() + 30
# answere AT#SD
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
if ((res.find('OK') >= 0) ):
timer = timer - 100
MOD.sleep(10)
# print '\r\ncloseCon =',res
return res
def sendAT(request, response, timeout = 2, interface = 1):
if(interface == 1):
MDM.send(request + '\r', 2)
else:
MDM2.send(request + '\r', 2)
result = -2
data = ''
timer = MOD.secCounter() + timeout
while(MOD.secCounter() < timer):
if(interface == 1):
rcv = MDM.read()
else:
rcv = MDM2.read()
if(len(rcv) > 0):
data = data + rcv
if(data.find(response) != -1):
result = 0
break
if(data.find('ERROR') != -1):
result = -1
break
return (result, data)
def sendAT(request, response, timeout=2, interface=1):
if (interface == 1):
MDM.send(request + '\r', 2)
else:
MDM2.send(request + '\r', 2)
result = -2
data = ''
timer = MOD.secCounter() + timeout
while (MOD.secCounter() < timer):
if (interface == 1):
rcv = MDM.read()
else:
rcv = MDM2.read()
if (len(rcv) > 0):
data = data + rcv
if (data.find(response) != -1):
result = 0
break
if (data.find('ERROR') != -1):
result = -1
break
return (result, data)
def receiveMDM2(self):
data = ''
size = int(self.config.get('TCP_MAX_LENGTH'))
while(1):
rcv = MDM2.read()
if(len(rcv) > 0):
self.buffer = self.buffer + rcv
if(len(self.buffer) > size):
break
else:
break
if(len(self.buffer) > 0):
data = self.getBuffer(size)
if(data.find('NO CARRIER') != -1):
raise Exception, '"NO CARRIER" on CSD connection'
self.debug.send('Data received from CSD connection: ' + str(len(data)) + ' bytes')
return data
def receiveMDM2(self):
data = ''
size = int(self.config.get('TCP_MAX_LENGTH'))
while(1):
rcv = MDM2.read()
if(len(rcv) > 0):
self.buffer = self.buffer + rcv
if(len(self.buffer) > size):
break
else:
break
if(len(self.buffer) > 0):
data = self.getBuffer(size)
if(data.find('NO CARRIER') != -1):
raise Exception, '"NO CARRIER" on CSD connection'
self.debug.send('Data received from CSD connection: ' + str(len(data)) + ' bytes')
return data
def sendATMdm2(self, atcom):
mdm_timeout = int(self.config.get('TIMEOUT_MDM'))
MDM2.send(atcom, mdm_timeout)
self.debug.send('DATA AT OUT: ' + atcom)
def sendMdm2(self, data):
MDM2.send(data, 50)
self.debug.send('Sending data MDM2: ' + str(len(data)) + ' bytes')
def openGPRS(P,A,GU,GP): #PIN = CONFIG.config['PIN_SIM'],H = CONFIG.config['HOST'],A = CONFIG.config['APN']
a = SER.send('\r\nDEBUG: Now in openGPRS.\r\n')
ret = checkCon(P)
a = SER.send('\r\nDEBUG: Back in openGPRS after doing checkCon.\r\n')
if ( ret != 1 ):
return -1
a = SER.send('\r\nDEBUG: Back in openGPRS about to do AT#SGACT?.\r\n')
res = MDM2.send('AT#SGACT?\r', 2)
timer = MOD.secCounter() + 20
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
a = SER.send('DEBUG: Back in openGPRS just did AT#SGACT?.\r\n')
a = SER.send(res)
if ((res.find(',0') >= 0) ):
timer = timer - 100
if ((res.find(',1') >= 0) ):
timer = timer - 100
#print 'GPRS stil active\r'
return 1
MOD.sleep(10)
res = MDM2.send('AT+CGDCONT=1,"IP","' + A + '","0.0.0.0",1,1\r', 0)
timer = MOD.secCounter() + 30
# check answer CGDCONT
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
a = SER.send('\r\nDEBUG: Back in openGPRS just did AT#CGDCONT?.\r\n')
a = SER.send(res)
if ((res.find('OK') >= 0) ):
timer = timer - 100
MOD.sleep(10)
if (GU != ''):
print 'set GPRS username\r'
res = MDM2.send('AT#USERID="'+ GU + '"\r', 2)
res = MDM2.receive(20)
res = res.find ('OK')
if (res == -1):
a = SER.send('\r\nerror setting GPRS username\r\n')
if (GP != ''):
print 'set GPRS password\r'
res = MDM2.send('AT#PASSW="'+ GP + '"\r', 2)
res = MDM2.receive(20)
res = res.find ('OK')
if (res == -1):
a = SER.send('\r\nerror setting GPRS password\r\n')
res = MDM2.send('AT#SGACT=1,1\r', 1)
timer = MOD.secCounter() + 50
while (MOD.secCounter() < timer):
res = MDM2.receive(10)
a = SER.send('\r\nDEBUG: Back in openGPRS just did AT#SGACT=1.\r\n')
a = SER.send(res)
if (res.find('#SGACT:') >= 0):
timer = timer - 100
res = cleanCRLF(res)
res = res.replace('#SGACT:','')
res = res.replace('OK','')
a = SER.send('\r\nConnected with IP:' + str(res))
return 1
MOD.sleep(10)
return -1
def sendMDM2(self, data):
MDM2.send(data, 50)
self.debug.send('Sending data to CSD: ' + str(len(data)) + ' bytes')
