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ahmadlogs
GitHub
rodzic
0d75b9ebd3
commit
3eb901be94
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from machine import UART, Pin
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#import time
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#Issue: uart.readline() doesn't read line properly
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#Solution: increase the timeout value to 3000ms or 4000ms
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gsm_module = UART(1, baudrate=9600, tx=Pin(4), rx=Pin(5), timeout=2000)
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gsm_buffer = ''
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########################################################################
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#this phone number is used to send commands
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# and receive response from the project
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#Note: Don't enter the SIM800L phone number here
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destination_phone = 'ENTER_YOUR_PHONE_NUMBER'
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########################################################################
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relay1 = Pin(2, Pin.OUT)
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relay2 = Pin(3, Pin.OUT)
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########################################################################
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def convert_to_string(buf):
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tt = buf.decode('utf-8').strip()
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return tt
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########################################################################
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########################################################################
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def do_action(msg):
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msg = msg.lower()
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#print('do_action: '+msg)
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if(msg.strip() == 'relay1 off'):
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relay1(0)
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send_sms('Relay1 is OFF')
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elif(msg.strip() == "relay1 on"):
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relay1(1)
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send_sms('Relay1 is ON')
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elif(msg.strip() == 'relay2 off'):
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relay2(0)
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send_sms('Relay2 is OFF')
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elif(msg.strip() == 'relay2 on'):
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print('do_action1: '+msg)
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relay2(1)
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send_sms('Relay2 is ON')
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########################################################################
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########################################################################
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def send_command(cmdstr, lines=1, msgtext=None):
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global gsm_buffer
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#___________________________________________________________________
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print(cmdstr)
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cmdstr = cmdstr+'\r\n'
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#___________________________________________________________________
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#Empty the serial buffer
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while gsm_module.any():
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gsm_module.read()
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#___________________________________________________________________
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#Send command to sim800l
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gsm_module.write(cmdstr)
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#___________________________________________________________________
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#Only used while sending sms
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if msgtext:
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print(msgtext)
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gsm_module.write(msgtext)
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#___________________________________________________________________
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#while gsm_module.any():
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#pass
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#___________________________________________________________________
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#read data comming from sim800l line by line
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buf=gsm_module.readline() #discard linefeed etc
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#print('discard linefeed:{}'.format(buf))
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buf=gsm_module.readline()
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#print('next linefeed:{}'.format(buf))
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#___________________________________________________________________
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if not buf:
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return None
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result = convert_to_string(buf)
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#___________________________________________________________________
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#if there are multiple lines of data comming from sim800l
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if lines>1:
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gsm_buffer = ''
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for i in range(lines-1):
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buf=gsm_module.readline()
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if not buf:
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return result
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#print(buf)
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buf = convert_to_string(buf)
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if not buf == '' and not buf == 'OK':
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gsm_buffer += buf+'\n'
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#___________________________________________________________________
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return result
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########################################################################
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########################################################################
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def read_sms(sms_id):
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result = send_command('AT+CMGR={}\n'.format(sms_id),99)
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print(result)
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#___________________________________________________________________
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if result:
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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#+CMGR: "REC READ","+923001234567","","21/04/18,11:15:53+20"
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params=result.split(',')
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if params[0] == '':
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return None
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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params2 = params[0].split(':')
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if not params2[0]=='+CMGR':
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return None
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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number = params[1].replace('"',' ').strip()
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date = params[3].replace('"',' ').strip()
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time = params[4].replace('"',' ').strip()
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#print('gsm_buffer:'+gsm_buffer)
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return [number,date,time,gsm_buffer]
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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########################################################################
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########################################################################
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def send_sms(msgtext):
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global gsm_buffer
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result = send_command('AT+CMGS="{}"\n'.format(destination_phone),99,msgtext+'\x1A')
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if result and result=='>' and gsm_buffer:
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params = gsm_buffer.split(':')
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if params[0]=='+CUSD' or params[0] == '+CMGS':
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print('OK')
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return 'OK'
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print('ERROR')
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return 'ERROR'
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########################################################################
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print(send_command('AT'))
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print(send_command('AT+CMGF=1'))
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#______________________________________________________
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#delete all sms from sim800l memory
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#print(send_command('AT+CMGD=1,4'))
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#______________________________________________________
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#send ussd code
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#print(send_command('AT+CUSD=1,"*ENTER_YOUR_USSD_CODE#"'))
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#______________________________________________________
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#read_sms(1)
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#send_sms('ddddd')
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########################################################################
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while True:
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if gsm_module.any():
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buf=gsm_module.readline()
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buf = convert_to_string(buf)
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print(buf)
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params=buf.split(',')
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#if params[0] == "RING":
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#elif params[0][0:5] == "+CLIP":
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#elif params[0][0:5] == "+CUSD":
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#elif params[0] == "NO CARRIER":
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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if params[0][0:5] == "+CMTI":
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msgid = int(params[1])
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msg_data = read_sms(msgid)
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#______________________________________________________
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if not msg_data:
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print("No sms data found.")
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break
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#______________________________________________________
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#print(msg_data[0]) #Sender Phone Number
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#print(msg_data[1]) #Received SMS Date
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#print(msg_data[2]) #Received SMS Time
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print(msg_data[3]) #Received SMS Text
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#______________________________________________________
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if not msg_data[0] == destination_phone:
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print("Destination phone pumber not matching")
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break
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#______________________________________________________
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#function to turn ON or OFF relays
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do_action(msg_data[3])
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#______________________________________________________
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#NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
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########################################################################
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