Modem

Eventmodem_message

Occurs every time a wireless message has been received by (wireless) modem that had the message's channel open.

Returns

name : string The side or network name of the wrapped Modem that received the message
channel : number The channel the message has been send on
channel : number The desired reply channel the sender specified
message : any The message's content
distance? : number The distance from the sender to the receiver, in meters/blocks. This will not be set if the modems are in different dimensions.

Part of

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ExampleReceiving modem messages

Wraps a connected modem peripheral, opens channel 123 and listens for incoming messages.

Code

<nowiki>
local modem = peripheral.find("modem")
modem.open(123)

while true do
  local event, peripheral_name, channel, replyChannel, message, distance = os.pullEvent("modem_message")
  print("Received a message on channel", channel, "at", distance, "blocks away.")
  print("The message: ", message)
end
    </nowiki>

Eventrednet_message

Triggered by the rednet coroutine and is created from the modem_message event. For most use cases, rednet.receive is usually easier to use.

Returns

id : number The supposed ID of the sender.
msg : any The message.
protocol? : string The specified protocol. Prior to ComputerCraft 1.6, was the distance between sender and reciever.

Part of

CC:Tweaked

ExamplePrint messages

Prints messages received through rednet. Requires that there is a modem open for rednet to use.

Code

<nowiki>
while true do
  local event, senderId, message, protocol = os.pullEvent("rednet_message")
  print("Computer", senderId, "sent a message", message, "with the", protocol, "protocol!")
end
    </nowiki>

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