rpibmc/bmcd

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#!/usr/bin/env python
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import socket, os, time, struct
from threading import Thread, Event
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from daemon import runner
import RPi.GPIO as GPIO
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gpio_state = 11
gpio_psw = 12
gpio_rsw = 13
gpio_pled = 15
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bmcd_state = '/run/bmcd/bmcd.state'
bmcd_cmd = '/run/bmcd/bmcd.cmd'
pidfile = '/run/bmcd/bmcd.pid'
is_pled_flashing = Event()
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def powerled_on():
GPIO.output(gpio_pled, 1)
def powerled_off():
GPIO.output(gpio_pled, 0)
def powerled_flash(is_pled_flashing):
while is_pled_flashing.isSet():
GPIO.output(gpio_pled, 1)
time.sleep(1)
GPIO.output(gpio_pled, 0)
time.sleep(1)
is_pled_flashing.clear()
return
def powersw_press():
GPIO.output(gpio_psw, 1)
time.sleep(0.5)
GPIO.output(gpio_psw, 0)
def powersw_hold():
GPIO.output(gpio_psw, 1)
time.sleep(8)
GPIO.output(gpio_psw, 0)
def resetsw_press():
GPIO.output(gpio_rsw, 1)
time.sleep(0.5)
GPIO.output(gpio_rsw, 0)
def locate_on():
is_pled_flashing.set()
t = Thread(name='non-block', target=powerled_flash, args=(is_pled_flashing,))
t.start()
def locate_off():
is_pled_flashing.clear()
def readcmd():
fcmd = open(bmcd_cmd, 'r+b', 0)
while True:
line = fcmd.readline()
try:
globals()[line.rstrip()]()
except:
pass
def writestate(is_pled_flashing):
fstate = open(bmcd_state, 'w+b', 0)
state_prev = 1
while True:
state_now = GPIO.input(gpio_state)
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fstate.write(str(state_now) + '\n')
if not is_pled_flashing.isSet():
if state_now == 1:
powerled_on()
else:
powerled_off()
time.sleep(1)
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class App():
def __init__(self):
self.stdin_path = '/dev/null'
self.stdout_path = '/dev/tty'
self.stderr_path = '/dev/tty'
self.pidfile_path = pidfile
self.pidfile_timeout = 5
def run(self):
if not os.path.exists(bmcd_state):
os.mkfifo(bmcd_state)
if not os.path.exists(bmcd_cmd):
os.mkfifo(bmcd_cmd)
GPIO.setmode(GPIO.BOARD)
GPIO.setup(gpio_state, GPIO.OUT)
GPIO.setup(gpio_psw, GPIO.OUT)
GPIO.setup(gpio_rsw, GPIO.IN)
GPIO.setup(gpio_pled, GPIO.OUT)
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t1 = Thread(target=readcmd)
t2 = Thread(target=writestate, args=(is_pled_flashing,))
t1.setDaemon(True)
t2.setDaemon(True)
t1.start()
t2.start()
while True:
pass
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app = App()
daemon_runner = runner.DaemonRunner(app)
daemon_runner.do_action()