Package: gsmHat
gsmHat - Waveshare GSM/GPRS/GNSS HAT for Raspberry Pi with PythonWith gsmHat, you can easily use the functionality of the Waveshare GSM/GPRS/GNSS HAT for Raspberry Pi (Link to HAT). On this module a SIM868 Controller is doing the job to connect your Raspberry Pi with the world just by using a sim card.Update on Wed Oct 21st, 2020:point_right: Internet functionality added!OverviewgsmHat was written for Python 3. It provides the following featuresNon-blocking receiving and sending SMS in backgroundNon-blocking callingNon-blocking refreshing of actual gps positionNon-blocking URL Call and receiving of responseUsageIn the following paragraphs, I am going to describe how you can get and use gsmHat for your own projects.Getting itTo download gsmHat, either fork this github repo or simply use Pypi via pip.$pip3installgsmHatPrepareInstall your sim card in your module, connect the GSM and the GPS antennas and mount the module on the pin headers of your Raspberry Pi. Make sure, that youdo notneed to enter Pin Code to use your card. Pin Codes are not supported yet.Enable the Uart Interface in your Raspberry PiStart raspi-config:sudo raspi-config.Select option 5 - interfacing options.Select option P6 - serial.At the promptWould you like a login shell to be accessible over serial?answer 'No'At the promptWould you like the serial port hardware to be enabled?answer 'Yes'Exit raspi-config and reboot the Pi for changes to take effect.Using itImport gsmHat to your projectfromgsmHatimportGSMHat,SMS,GPSInit gsmHatgsm=GSMHat('/dev/ttyS0',115200)Check, if new SMS are available in your main loop# Check, if new SMS is availableifgsm.SMS_available()>0:# Get new SMSnewSMS=gsm.SMS_read()# Do something with itDo something with your newly received SMS# Get new SMSnewSMS=gsm.SMS_read()print('Got new SMS from number%s'%newSMS.Sender)print('It was received at%s'%newSMS.Date)print('The message is:%s'%newSMS.Message)You can also write SMSNumber='+491601234567'Message='Hello mobile world'# Send SMSgsm.SMS_write(Number,Message)Or you can call a numberNumber='+491601234567'gsm.Call(Number)# This call hangs up automatically after 15 secondstime.sleep(10)# Wait 10 seconds ...gsm.HangUp()# Or you can HangUp by yourself earliergsm.Call(Number,60)# Or lets change the timeout to 60 seconds. This call hangs up automatically after 60 secondsLets see, where your Raspberry Pi (in a car or on a motocycle or on a cat?) is positioned on earth# Get actual GPS positionGPSObj=gsm.GetActualGPS()# Lets print some valuesprint('GNSS_status:%s'%str(GPSObj.GNSS_status))print('Fix_status:%s'%str(GPSObj.Fix_status))print('UTC:%s'%str(GPSObj.UTC))print('Latitude:%s'%str(GPSObj.Latitude))print('Longitude:%s'%str(GPSObj.Longitude))print('Altitude:%s'%str(GPSObj.Altitude))print('Speed:%s'%str(GPSObj.Speed))print('Course:%s'%str(GPSObj.Course))print('HDOP:%s'%str(GPSObj.HDOP))print('PDOP:%s'%str(GPSObj.PDOP))print('VDOP:%s'%str(GPSObj.VDOP))print('GPS_satellites:%s'%str(GPSObj.GPS_satellites))print('GNSS_satellites:%s'%str(GPSObj.GNSS_satellites))print('Signal:%s'%str(GPSObj.Signal))Calculate the distance between two Points on earthGPSObj1=GPS()# You can also use gsm.GetActualGPS() to get an GPS objectGPSObj1.Latitude=52.266949# Location of Braunschweig, GermanyGPSObj1.Longitude=10.524822GPSObj2=GPS()GPSObj2.Latitude=36.720005# Location of Manavgat, TurkeyGPSObj2.Longitude=31.546094print('Distance from Braunschweig to Manavgat in metres:')print(GPS.CalculateDeltaP(GPSObj1,GPSObj2))# this will print 2384660.7 metresCall URL to send some data# Init gsmHatgsm=GSMHat('/dev/ttyS0',115200)# Set the APN Connection data. You will get this from your provider# e.g. German Provider 'Congstar'gsm.SetGPRSconnection('internet.telekom','congstar','cs')# Get actual GPS positionGPSObj=gsm.GetActualGPS()# Build url string with dataurl='www.someserver.de/myscript.php'url+='?time='+str(int(GPSObj.UTC.timestamp()))url+='&lat='+str(GPSObj.Latitude)url+='&lon='+str(GPSObj.Longitude)url+='&alt='+str(GPSObj.Altitude)gsm.CallUrl(url)# Send actual position to a webserverGet the Response from a previous URL call# Check, if new Response Data is availableifgsm.UrlResponse_available()>0:# Read the ResponsenewResponse=gsm.UrlResponse_read()# Do something with itWhat will come in the future?More options to configure the module (e.g. using sim cards with pin code)On which platform was gsmHat developed and tested?Hardware:Raspberry Pi 4, Model BGSM/GPRS/GNSS/Bluetooth HAT for Raspberry Pi,later version that allows to power on/off the module by controlling GPIO 4Software:Raspbian (Codename: buster, Release: 10)Kernel: Linux 5.4.51-v7l+Python: 3.7.3LicenseMIT LicenseCopyright (c) 2020 Tarek TounsiPermission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.contact me:software@tounsi.de