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| ##### Config #####
sms_password = 'mypassword'
##### Constants #####
TRUE = 1
FALSE = 0
##### Modules #####
#Use serial
import SER
#Use build in module
import MOD
#Use AT command interface
import MDM
#Use GPS
import GPS
###### General Functions ######
#Debug message
def debugmsg(msgtext):
msgtext = msgtext.replace('\r', '\\r')
msgtext = msgtext.replace('\n', '\\n')
print msgtext
SER.send(msgtext + '\r\n')
#f = open('log.txt','ab')
#f.write(msgtext + '\n')
#f.close()
#GPS status
def gps_status(gpspos):
debugmsg('Retrieving GPS status')
gpspos_parts = gpspos.split(',')
if ( (gpspos_parts[5] == '2') or (gpspos_parts[5] == '3') ): #2D or 3D fix
debugmsg('GPS fix "' + gpspos_parts[5] + '" ie valid');
status = TRUE
else:
debugmsg('GPS fix "' + gpspos_parts[5] + '" ie not valid');
status = FALSE
return status
###### SMS Process Functions ######
#Process SMS messages
def sms_proceses(gpspos):
debugmsg('Process SMS')
#List SMS
smsmsgs = sms_list()
totalsms = len(smsmsgs)
#debugmsg('SMS total: %d' % totalsms)
#Go throguh SMS messages
for smsmsgindex in range(0, totalsms):
debugmsg('Message: %d' % smsmsgindex)
#Delete SMS (it is being processed now)
status = sms_delete(smsmsgs[smsmsgindex]['id'])
#If status deleted ok
if (status == TRUE):
#debugmsg('List SMS id: %d, from: %s, msg: %s' % (smsmsgs[smsmsgindex]['id'], smsmsgs[smsmsgindex]['from'], smsmsgs[smsmsgindex]['msg']))
#Split SMS message into parts
smsmsgparts = smsmsgs[smsmsgindex]['msg'].split(' ')
#If at least 2 parts
if (len(smsmsgparts) > 1):
#Check if password valid
if (smsmsgparts[0].lower() == sms_password):
debugmsg('Password valid')
#If position requested
if (smsmsgparts[1].lower() == 'pos') or (smsmsgparts[1].lower() == 'position'):
debugmsg('Action: Position requested')
#If GPS position fix valid
if (gps_status(gpspos) == TRUE):
gpsdataparts = gpspos.split(',')
senddata = 'Lat: ' + gpsdataparts[1] + ', Lon: ' + gpsdataparts[2] + ', Heading: ' + gpsdataparts[6] + ', Speed: ' + gpsdataparts[7] + ' km/hr'
else:
senddata = 'No GPS Fix'
#Send SMS
sms_send(smsmsgs[smsmsgindex]['from'], senddata)
else:
debugmsg('Action: Unknown')
else:
debugmsg('Password invalid')
else:
debugmsg('Unable to delete')
###### SMS Library Functions ######
#Setup SMS
def sms_setup():
debugmsg('Setting up SMS')
MDM.send('AT+CMGF=1\r', 0)
res = MDM.receive(50)#5 sec
MOD.sleep(1)#wait 0.1sec
debugmsg('SMS setup: ' + res)
#List SMS
def sms_list():
#Note: Command will not return anything if SIM is not ready
debugmsg('List SMS')
#MDM.send('AT+CMGL="REC UNREAD"\r', 0) #ALL REC UNREAD STO SENT
MDM.send('AT+CMGL="REC UNREAD"\r', 0)
#smslist = ''
#res = MDM.receive(50)#5 sec
#smslist = smslist + res
#while (res.find('\r\nOK\r\n') == -1):
# res = MDM.receive(10)
# smslist = smslist + res
smslist = ''
res = ''
timeout = MOD.secCounter() + 60
while ( (res.find('\r\nOK\r\n') == -1) and (MOD.secCounter() < timeout) ):
debugmsg('Timeout now: %d timeout: %d' % (MOD.secCounter(), timeout))
res = MDM.receive(50)
smslist = smslist + res
#debugmsg('get %s' % smslist)
MOD.sleep(1)#wait 0.1sec
smsparts = smslist.split('\r\n')
smspartslen = len(smsparts)
#debugmsg('SMS Parts %d' % smspartslen)
smsmsgs = []
if (smspartslen-2 > 0) and (smsparts[smspartslen-2] == 'OK'):
#If there is at least 1 message
if (smspartslen >= 6):
#Go through all messages
for partno in range(1, smspartslen):
#Find out if this is an cmgl line
cmglparts = smsparts[partno].split('CMGL: ')
#If at least 2 parts, leading cmgl and data
if (len(cmglparts) > 1) and (cmglparts[0] == '+') and (partno+1 <= smspartslen):
#debugmsg('Found CMGL %d: %s' % (partno, smsparts[partno]))
#debugmsg('Text %d: %s' % (partno+1, smsparts[partno+1]))
#Split msg info line into parts
msginfoparts = cmglparts[1].split(',')
#Check have all parts
#if (len(msginfoparts) > 5):
if (len(msginfoparts) > 4):
#int() may fail
try:
#Convert id to integer
msginfoparts[0] = int(msginfoparts[0])
#Remove quotes
msginfoparts[2] = msginfoparts[2].replace('"', '')
#msginfoparts[4] = msginfoparts[4].replace('"', '')
#msginfoparts[5] = msginfoparts[5].replace('"', '')
smsmsgs.append({'id': msginfoparts[0], 'from': msginfoparts[2], 'msg': smsparts[partno+1]})
debugmsg('SMS id: %d, from: %s, msg: %s' % (msginfoparts[0], msginfoparts[2], smsparts[partno+1]))
except Exception:
debugmsg('Error CMGL %d: %s' % (partno, smsparts[partno]))
debugmsg('SMS total: %d' % len(smsmsgs))
else:
debugmsg('No SMS messages available')
return smsmsgs
#SMS Delete
def sms_delete(delindex):
debugmsg('SMS Delete: %d' % delindex)
MDM.send('AT+CMGD=' + str(delindex) + '\r', 0)
res = MDM.receive(50)#5 sec
MOD.sleep(1)#wait 0.1sec
if (res == '\r\nOK\r\n'):
status = TRUE
else:
status = FALSE
return status
#SMS Send
def sms_send(to, text):
debugmsg('Send SMS to: %s, MSG: %s' % (to, text))
MDM.send('AT+CMGS="' + to + '"\r', 0)
res = MDM.receive(50)#5 sec
MOD.sleep(1)#wait 0.1sec
#Check for SMS prompt
if (res == '\r\n> '):
#Send SMS message text
MDM.send(text, 0)
#End SMS
MDM.sendbyte(0x1A, 0)
res2 = MDM.receive(180)#5 sec
MOD.sleep(1)#wait 0.1sec
if (res2.find('\r\nOK\r\n') != -1):
debugmsg('SMS sent')
status = TRUE
else:
debugmsg('SMS Send: ' + res2)
debugmsg('Did not get SMS sent confirmation')
status = FALSE
else:
debugmsg('SMS Send: ' + res)
debugmsg('Did not receive SMS prompt')
#Abort SMS (just in case)
MDM.sendbyte(0x1B, 0)
MOD.sleep(1)#wait 0.1sec
status = FALSE
return status
##################################################################################
###### Init ######
SER.set_speed('115200','8N1')
SER.send('\r\n--------------------\r\n\r\n')
debugmsg('Running...');
#Set verbose error reporting
MDM.send('AT+CMEE=2\r', 0)
MDM.receive(50)#5 sec
MOD.sleep(1)#wait 0.1sec
#May be required in North America / Canada to switch the unit to 900/1900MHz frequency (uncomment if in those areas)
#MDM.send('AT#BND=1\r', 0)
#MDM.receive(1)#0.1sec
#MOD.sleep(1)#wait 0.1sec
gpspos_lastvalid = ''
#Setup SMS
sms_setup()
#Main loop
while 1:
debugmsg('Entering loop')
#Retrieve current position
gpspos = GPS.getActualPosition()
debugmsg('Position: %s' % gpspos)
#Retrieve GPS fix status
gps_statusnow = gps_status(gpspos)
#Save last valid position
#If position fix valid, or none recorded already, use last retrieved
if ( (gps_statusnow == TRUE) or (gpspos_lastvalid == '') ):
gpspos_lastvalid = gpspos
#Check for / process new SMS messages
sms_proceses(gpspos_lastvalid)
debugmsg('Powersave for 10 seconds')
#Powersave for 10 seconds
MOD.powerSaving(10) |
Programmation Python sur "microcontroleur" GM862-GPS (fabrication tracker GPS/GSM)
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