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main.py
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main.py
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#!/usr/bin/env python3
import sys
import argparse
import readline
import curses
import time
from fbee import FBee, FBeeSwitch, NotConnected
INVALID_CONFIG=-1
INVALID_CMD=-2
INVALID_ARGLIST=-3
CMD_LIST="list"
CMD_RAW="raw"
CMD_GET="get"
CMD_SET="set"
CMD_CMDLINE="cmdline"
CMD_FETCH="fetch"
CMD_ASYNC="async"
def fmt(v, l):
if len(v) > 2 and v[0:2] == "0x":
v = v[2:]
v = v.zfill(l)
return v[:l]
def validate_cmd(cmd, args):
if cmd == CMD_LIST or cmd == CMD_CMDLINE:
if len(args) > 0:
display("usage: " + prog + cmd)
display(cmd + " takes no arguments")
return INVALID_ARGLIST
elif cmd == "raw":
if len(args) != 1:
display("usage: " + prog + CMD_RAW + " <bytes>")
if len(args) > 1:
display(CMD_RAW + " takes just one parameter. The data to send (as a byte string)")
elif len(args) < 1:
display(CMD_RAW + " requires one parameter. The data to send (as a byte string)")
if len(args) != 1:
display("bytes should only include the bytes after the control flag, for example:")
display(prog + CMD_RAW + " 81")
display("would get all currently connected devices")
return INVALID_ARGLIST
elif cmd == CMD_GET:
if len(args) != 2:
display("usage: " + prog + CMD_GET + " <short> <ep>")
return INVALID_ARGLIST
elif cmd == CMD_SET:
if len(args) != 3:
display("usage: " + prog + CMD_SET + " <short> <ep> <state>")
display("Where <state> is 0 for off and 1 for on")
return INVALID_ARGLIST
elif cmd == CMD_ASYNC:
if len(args) != 1:
display("usage: " + prog + CMD_ASYNC + " <poll_interval>")
display("Where <poll_interval> is how often to send a list command in seconds")
return INVALID_ARGLIST
else:
display(cmd + " is not a valid cmd")
return INVALID_CMD
return 0
def display(string, end="\n", flush=True):
global cmdscr
if cmdscr == None:
print(string, end=end, flush=flush)
else:
cmdscr.display_bottom(string, end=end, flush=flush)
def display_device(d):
global ascii_only
if ascii_only:
if d.state:
state = "|"
else:
state = "o"
else:
if d.state:
state = "💡"
else:
state = "🌑"
prefix = state + " " + d.name
display(prefix + (" " * (30 - len(prefix))) + "[short: " + fmt(hex(d.short), 4) + " ep: " + fmt(hex(d.ep), 2) + "]")
def device_callback(device, state):
global intcmd
if intcmd == CMD_FETCH:
display(".", end="", flush=True)
elif intcmd == CMD_LIST or intcmd == CMD_ASYNC:
display_device(device)
def run_cmd(cmd, args):
global intcmd
intcmd = cmd
if cmd == CMD_GET or cmd == CMD_SET:
short = fmt(args[0], 4)
ep = fmt(args[1], 2)
if cmd == CMD_SET:
state = fmt(args[2], 2)
if cmd == CMD_LIST:
intcmd = None
fbee.safe_recv()
intcmd = cmd
fbee.refresh_devices()
elif cmd == CMD_RAW:
fbee.send_data(args[0])
fbee.safe_recv()
elif cmd == CMD_GET:
d = fbee.get_device(short, ep)
d.poll_state()
display_device(d)
elif cmd == CMD_SET:
d = fbee.get_device(short, ep)
d.push_state(state)
display_device(d)
elif cmd == CMD_ASYNC:
fbee.start_async_read(args[0], disconnect_callback = lambda f: display("Disconnected"))
intcmd = None
class Display():
def __init__(self, stdscr):
self.stdscr = stdscr
self.top = ScrollingDisplay(stdscr)
self.bottom = ScrollingDisplay(stdscr, False)
def display_top(self, string, end = "\n", flush = True):
self.top.display(string, end, flush)
if flush:
self.refresh()
def display_bottom(self, string, end = "\n", flush = True):
self.bottom.display(string, end, flush)
if flush:
self.refresh()
def refresh(self):
self.top.noutrefresh()
self.stdscr.hline(int((curses.LINES - 1) / 2), 0, '-', curses.COLS)
self.stdscr.noutrefresh()
self.bottom.noutrefresh()
curses.doupdate()
def getstr(self):
return self.bottom.getstr()
class ScrollingDisplay():
def __init__(self, stdscr, top = True):
self.stdscr = stdscr
self.top = top
if self.top:
y = 0
else:
y = int((curses.LINES - 1) / 2) + 1
self.disp = stdscr.derwin(int(curses.LINES / 2), curses.COLS - 1, y, 0)
self.disp.idlok(True)
self.disp.scrollok(True)
def display(self, string, end = "\n", flush = True):
self.disp.addstr(str(string) + end)
def getstr(self):
return self.disp.getstr()
def noutrefresh(self):
self.disp.noutrefresh()
def main():
global cmdscr
try:
run()
finally:
if cmdscr != None:
curses.nocbreak()
curses.echo()
curses.endwin()
def run():
global prog
global fbee
global intcmd
global ascii_only
global cmdscr
cmdscr = None
parser = argparse.ArgumentParser(description='Talk to hub!')
parser.add_argument('--ip', '-i', dest='ip')
parser.add_argument('--port', '-p', dest='port', type=int)
parser.add_argument('--sn', '-s', dest='sn')
parser.add_argument('--skip-device-fetch', '-d', dest='fetch_devices', action='store_false')
parser.add_argument('--ascii-only', '-a', dest='ascii_only', action='store_true')
parser.add_argument('--curses', '-c', dest='curses', action='store_true')
parser.add_argument('cmd', help="The cmd to execute ('" + CMD_LIST + "', '" + CMD_RAW + "', '" + CMD_GET + "', '" + CMD_SET + "' or '" + CMD_CMDLINE + "')")
parser.add_argument('args', nargs='*', help="The args for the cmd")
prog = parser.prog + " "
args = parser.parse_args()
hexsn = args.sn
ip = args.ip
port = args.port
fetch_devices = args.fetch_devices
ascii_only = args.ascii_only
intcmd = cmd = args.cmd
curses_enabled = args.curses
args = args.args
ret = validate_cmd(cmd, args)
if ret != 0:
exit(ret)
if hexsn == None or ip == None or port == None:
try:
with open('config') as config:
for line in config:
name, val = line.partition("=")[::2]
val = val.strip()
if name == "ip" and ip == None:
ip = val
elif name == "port" and port == None:
port = int(val)
elif name == "sn" and hexsn == None:
hexsn = val
except IOError as e:
pass
if hexsn == None or ip == None or port == None:
display("Need to set sn, ip and port")
exit(INVALID_CONFIG)
hexsn = fmt(hexsn, 8)
fbee = FBee(ip, port, hexsn, [device_callback])
if curses_enabled:
stdscr = curses.initscr()
cmdscr = Display(stdscr)
fbee.add_recv_callbacks([lambda resp, b : cmdscr.display_top(hex(resp) + ": " + b.hex())])
else:
cmdscr = None
display("sn: " + hexsn)
display("connecting to " + ip + ":" + str(port))
fbee.connect()
if cmd != CMD_LIST and cmd != CMD_ASYNC and fetch_devices:
display("fetching device names", end="", flush=True)
intcmd = CMD_FETCH
fbee.refresh_devices()
intcmd = cmd
display("")
if cmd == CMD_CMDLINE:
prog = ""
while True:
if curses_enabled:
display("> ", end="")
line = cmdscr.getstr().decode()
else:
try:
line = input("> ")
except EOFError:
line = "exit"
display("")
pass
line = line.strip()
line = line.split(" ")
cmd = line[0]
args = line[1:]
if "short:" in args:
args.remove("short:")
if "ep:" in args:
args.remove("ep:")
if cmd == "":
pass
elif cmd == "exit" or cmd == "quit":
break
elif cmd == "close":
fbee.close()
elif cmd == "connect":
fbee.connect()
else:
ret = validate_cmd(cmd, args)
if ret == 0:
try:
run_cmd(cmd, args)
except NotConnected as ex:
display("Not Connected: run 'connect'")
elif cmd == CMD_ASYNC:
t = fbee.start_async_read(args[0])
t.join()
else:
run_cmd(cmd, args)
fbee.close()
if __name__ == "__main__":
main()