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October 23, 2021 19:48
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my experiment with GSM HAT
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import serial | |
import os, time | |
import RPi.GPIO as GPIO | |
#SERIAL_PORT = "/dev/ttyAMA0" | |
SERIAL_PORT = "/dev/ttyS0" | |
BAUD_RATE = 9600 | |
GPIO.setmode(GPIO.BOARD) | |
# Pyserial Doc : https://pythonhosted.org/pyserial/pyserial_api.html | |
with serial.Serial(SERIAL_PORT,baudrate=BAUD_RATE, timeout=1) as port: | |
print('sending AT..') | |
#port.write(b'AT\r') | |
port.write(b'AT+CNUM\r') | |
port.flush() | |
#port.write(b'AT+CMGF=1\r') | |
rcv = port.read(1000) | |
print('recvd response') | |
print(rcv.decode("utf-8")) | |
time.sleep(1) | |
#port.write(b'ATD919660813119\r') | |
#print('calling...') | |
#time.sleep(30) | |
#port.write(b'ATH\r') | |
#print('Hang call...') |
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