def ask_slave_request(addr):
res = -1
ok = -1
while ok == -1:
ok = dhcp.send_msg(addr, 130, 140)
ans = dhcp.read_device_answer(addr, 3)
err = dhcp.check_end_answer(addr, ans, 3)
if err == 0:
if ans[0] == 149:
return
for i in code_room:
if i[1] == ans[0]:
room = i[0]
break
addr_range = lh.get_addr_range(room)
for j in addr_range:
if j in used_addr:
if ans[1] == 141:
while res == -1:
res = ask_temperature(j)
elif ans[1] == 142:
while res == -1:
res = ask_light(j)
dhcp.send_msg(addr, 145, res)
else:
dhcp.send_msg(addr, 145, 144)
def ask_light(addr):
ok = -1
while ok == -1:
ok = dhcp.send_msg(addr, 130, 142)
ans = dhcp.read_device_answer(addr, 2)
err = dhcp.check_end_answer(addr, ans, 2)
if err == 0:
return ans[0]
else:
return -1
def check_slave_ok(addr):
ok = -1
while ok == -1:
ok = dhcp.send_msg(addr, 130, 139)
ans = dhcp.read_device_answer(addr, 2)
err = dhcp.check_end_answer(addr, ans, 2)
if err == 0:
if ans[0] == 1:
return 0
else:
return -1
def ask_name(addr):
ok = -1
room = []
while ok == -1:
ok = dhcp.send_msg(addr, 130, 143)
ans = dhcp.read_device_answer(addr, 2)
err = dhcp.check_end_answer(addr, ans, 2)
cmpt = ans[0]
if err == 0:
name = dhcp.read_device_answer(addr, cmpt)
for i in name:
room.append(str(unichr(i)))
return room
else:
return -1
def shutdown_slave(addr):
ok = -1
while ok == -1:
ok = dhcp.send_msg(addr, 199, 199)