Subject:
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Re: sending a message from the RCX to the PC
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Newsgroups:
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lugnet.robotics.rcx
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Date:
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Sat, 10 May 2003 21:10:26 GMT
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Viewed:
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2796 times
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Michael Franklin Bosu wrote:
> hi,
>
> I want to end a message and/or acknowledgement from the RCX to the PC. I am not
> using BrickOS or the standard firmware. I am using a different software on the
> RCX. It doesnt have a function for the sending from the RCX, so I am trying to
> do that.
>
> I know that this will work only in the Reply/Request(initialising the
> transmission from the PC ) mode since the tower should be on and I can take
> care of that.
>
> > From the RCX internal page(http://graphics.stanford.edu/~kekoa/rcx/#Opcodes)
>
> opcode F7 is the send message command, so I tried that in my code on the RCX
> but it didnt work or do I have to use something more than F7 to inform the RCX
> that i am sending a message.
>
> I was using it based on the example below.
>
> Please is there a way, I can do that, anything that can work for the standard
> firmware I would be able to adapt it for ERIKA.
>
> *Example: The whole code for sending the message 3 is the hexadecimal :
>
> 55 FF 00 F7 08 03 FC FA 05
>
> where 55 FF 00 is the universal opcode-header
>
> F7 is the opcode for the SendMessage-command
>
> 08 is the complement of F7 (e.a. 0xFF - 0xF7 = 0x08)
>
> 03 the message, FC its complement
>
> FA the checksum, 05 its complement
>
>
> Thank you.
> Michael mfbosu@yahoo.com
>
>
>
..... Normally there no reponse or other message wait by the RCX.
Try to read the doc of mindstorms SDK
mindstorms.lego.com/sdk (try sdk 2.0)
nanobapt
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Message is in Reply To:
 | | sending a message from the RCX to the PC
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| hi, I want to end a message and/or acknowledgement from the RCX to the PC. I am not using BrickOS or the standard firmware. I am using a different software on the RCX. It doesnt have a function for the sending from the RCX, so I am trying to do (...) (21 years ago, 10-May-03, to lugnet.robotics.rcx)
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