def test_get_bits_from_int(self):
# default bits list size is 16
self.assertEqual(len(utils.get_bits_from_int(0)), 16)
# for 8 size (positional arg)
self.assertEqual(len(utils.get_bits_from_int(0, 8)), 8)
# for 32 size (named arg)
self.assertEqual(len(utils.get_bits_from_int(0, val_size=32)), 32)
# test binary decode
self.assertEqual(utils.get_bits_from_int(6, 4),
[False, True, True, False])
if regs and not clone_regs:
clone_regs = list(regs)
# display regs value
# current line
c_line = 9
for i, value in enumerate(regs):
# current cursor and line
c_line += 1
c_cursor = 4
# line name (ME or Txx)
stdscr.addstr(c_line, c_cursor,
"ME " if not i else "T%02d " % i,
curses.A_BOLD)
c_cursor += 6
# builts bits list for regs and clone
bits = utils.get_bits_from_int(value, val_size=16)
bits.reverse()
clone_bits = utils.get_bits_from_int(clone_regs[i],
val_size=16)
clone_bits.reverse()
# bit value (ts number or ".")
for x, bit in enumerate(bits):
ts_label = str(x+1)[-1:]
if clone_bits[x] == bits[x]:
stdscr.addstr(c_line, c_cursor,
ts_label if bit else ".",
curses.A_NORMAL)
else:
stdscr.addstr(c_line, c_cursor,
ts_label if bit else ".",
curses.A_REVERSE)
if not c.open():
print("unable to connect to "+SERVER_HOST+":"+str(SERVER_PORT))
sys.exit(1)
# banner
sys.stdout.write("----------------------------------------" + EOL)
sys.stdout.write("NTS 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1" + EOL)
sys.stdout.write(" 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6" + EOL)
sys.stdout.write("----------------------------------------" + EOL)
# do modbus read
regs = c.read_holding_registers(20610, 20)
c.close()
# if read ok
if regs:
for i, value in enumerate(regs):
# builts bits list
bits = utils.get_bits_from_int(value, val_size=16)
bits.reverse()
# line name (ME or Txx)
sys.stdout.write("ME " if not i else "T%02d " % i)
# bit value (1 or " ")
for x, bit in enumerate(bits):
sys.stdout.write("1 " if bit else ". ")
if not (x+1)%4:
sys.stdout.write(" ")
sys.stdout.write(EOL)