pyap-serial

#!/usr/bin/env python3
#
#
# Used to control serial electric I/O to send notification by serial port
# FIXME: don't know yet how to manage PIN3.
#

import os
import sys
import time

pathname, scriptname = os.path.split(sys.argv[0])

sys.path.append(os.path.join(pathname, '..'))

from db9 import Db9

GREEN_LED = Db9.PIN4
RED_LED = Db9.PIN7
# I"m using a bi-color led.
ORANGE_LED = GREEN_LED | RED_LED


def usage():

    print ("usage: %s <tty>\n\n", sys.argv[0].split('/')[-1])


def switchon(pin, all_state):
    print (f"[+] - switch on pin {pin}")
    return all_state | pin


def switchoff(pin, all_state):
    print (f"[+] - switch off pin {pin}")
    return all_state & ~pin


def main(tty):
    out = Db9(tty)
    out.connect()

    print ("[+] - Checking leds")
    out.switch_off(Db9.ALL_OUTPUT)

    for i in xrange(6):
        time.sleep(0.1)
        out.switch_on(GREEN_LED)
        time.sleep(0.1)
        out.switch_off(GREEN_LED)
        out.switch_on(ORANGE_LED)
        time.sleep(0.1)
        out.switch_off(ORANGE_LED)
        out.switch_on(RED_LED)
        time.sleep(0.1)
        out.switch_off(RED_LED)
        time.sleep(0.1)
        out.switch_off(ORANGE_LED)
        time.sleep(0.1)
        out.switch_off(GREEN_LED)
        time.sleep(0.1)

    time.sleep(1)

    print ("[+] - set all entries down")
    out.switch_off(Db9.ALL_OUTPUT)
    print ("[+] - is GREEN_LED on ?")
    if out.is_on(GREEN_LED):
        print ("   [!] - yes ??? GREEN_LED should be off !")
    else:
        print ("   [+] - no ... OK, that's fine")

    print ("[+] - sleeping during 5 sec")
    time.sleep(5)
    print ("[+] - switch on GREEN_LED")
    out.switch_on(GREEN_LED)
    print ("[+] - is GREEN_LED really on ?")
    if out.is_on(GREEN_LED):
        print ("   [+] - yes ... OK, that's fine")
    else:
        print ("   [!] - no ??? GREEN_LED should be on !")
    print ("[+] - sleeping during 5 sec")
    time.sleep(5)
    print ("[+] - set orange led")
    out.switch_on(ORANGE_LED)
    print ("[+] - sleeping during 5 sec")
    time.sleep(5)
    print ("[+] - set red led")
    out.switch_off(GREEN_LED)
    out.switch_on(RED_LED)
    print ("[+] - sleeping during 5 sec")
    time.sleep(5)

    out.disconnect()


if __name__ == '__main__':

    try:
        main(sys.argv[1])
    except IndexError:
        usage()


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