testing fona modules with serial commands on the beaglebone black

serial_test.py

import Adafruit_BBIO.UART as UART
import serial

UART.setup("UART1")

ser = serial.Serial(port="/dev/ttyO1", baudrate=9600, timeout=1)
ser.close()
ser.open()


def write_and_read(command):
  ser.write(command + "\n")
  result = []
  c = ser.read()
  result.append(c)
  try:
    while c:
      c = ser.read()
      result.append(c)
  finally:
    output = ''.join(result).strip()
    print 'command "%s" -> "%s"' % (command, output)


if __name__ == '__main__':
  if ser.isOpen():
    write_and_read('AT+CMGD=51,4')
    write_and_read('ATI')