Chương trình python đơn giản thực hiện cuộc gọi, tin nhắn tới người dùng.

sim808_simple_test.py

#!/usr/bin/env python3
# -*- coding:utf-8 -*-

#Author : Pham Dinh Van 

# RPI Sim808 	|| 		Raspberry Pi
# 	  C_PW		||			GPIO 27
# 	   PWK		|| 			GPIO 17 
#	   TxD 		|| 			RxD (GPIO 15)
# 	   RxD 		|| 			TxD (GPIO 14)

# sudo python sim808_simple_test.py

import time 
import serial
import RPi.GPIO as GPIO
from time import sleep


#Setup gpio pin thuc hien mot so chuc nang dac biet
C_PWpin = 27		# chan C_PW dieu khien nguon cap cho RPI Sim808 Shield
PWKpin  = 17 		# chan PWK : bat/tat RPI Sim808 Shield

# setup serial 
ser = serial.Serial(
	port = '/dev/ttyAMA0',
	baudrate = 9600,
	parity = serial.PARITY_NONE,
	stopbits = serial.STOPBITS_ONE,
	bytesize = serial.EIGHTBITS,
	timeout = 1
)

# setup GPIO
GPIO.setmode(GPIO.BCM)
GPIO.setup(C_PWpin, GPIO.OUT)
GPIO.setup(PWKpin, GPIO.OUT)

#********************************************************************
# @GSM_Power() khoi dong nguon cho module SIM
#********************************************************************
def GSM_Power(): 
	#print "Bat nguon cho module Sim808...\n"
	GPIO.output(PWKpin, 1)
	time.sleep(2)
	GPIO.output(PWKpin, 0)
	time.sleep(10)
	return


#********************************************************************
# @GSM_Init() thiet lap cho module sim co the gui/nhan tin nhan
#********************************************************************
def GSM_Init():
	print "Khoi tao cho module SIM808... \n"
	ser.write(b'ATE0\r\n') 				# Tat che do phan hoi (Echo mode)
	time.sleep(2)
	ser.write(b'AT+IPR=9600\r\n') 		# Dat toc do truyen nhan du lieu 9600bps
	time.sleep(2)
	ser.write(b'AT+CMGF=1\r\n')			# Chon che do text mode
	time.sleep(2)
	ser.write(b'AT+CLIP=1\r\n') 		# Hien thi thong tin nguoi goi den
	time.sleep(2)
	ser.write(b'AT+CNMI=2,2\r\n') 		# Hien thi truc tiep noi dung tin nhan
	time.sleep(2)
	return

#********************************************************************
# @GSM_MakeCall() tao cuoc goi
#********************************************************************
def GSM_MakeCall():
	print "Goi dien...\n"
	ser.write(b'ATD012345678;\r\n')  # Goi dien toi sdt 012345678
	time.sleep(20)
	ser.write(b'ATH\r\n')
	time.sleep(2)
	return


#********************************************************************
# @GSM_MakeSMS() tao cuoc goi
#********************************************************************
def GSM_MakeSMS():
	print "Nhan tin...\n"
	ser.write(b'AT+CMGS=\"012345678\"\r\n') 	# nhan tin toi sdt 012345678
	time.sleep(5)
	ser.write(b'Xin chao ban!!!')
	ser.write(b'\x1A')		# Gui Ctrl Z hay 26, 0x1A de ket thuc noi dung tin nhan va gui di
	time.sleep(5)
	return


# Simple example :
try:
	print "\n\nBat dau test module Sim808 voi Raspberry Pi ... \n"
	print "Bat nguon cho module Sim808...\n"
	GSM_Power()			# Bat nguon cho module 
	GSM_Init() 			# Khoi dong module 
	GSM_MakeCall() 		# Tao cuoc goi
	GSM_MakeSMS() 		# Tao tin nhan 
	print "Tat nguon cho module Sim808!\n"
	GSM_Power()			# Tat nguon cho module
except KeyboardInterrupt: 
	ser.close()  
finally:
	print "End!\n"
	ser.close()
	GPIO.cleanup() 		# clean up all port