Thanks. But it doesn't work.
If I send "7E 42 7D 5E 00 00 81 05 AA 07 44 08 11 38 40 7E", Msg->data is "40 00 00 00 00" at the base mote. And I found that Msg->data[0] is always the last CRC byte.
Thanks anyway.
Best,
If I send "7E 42 7D 5E 00 00 81 05 AA 07 44 08 11 38 40 7E", Msg->data is "40 00 00 00 00" at the base mote. And I found that Msg->data[0] is always the last CRC byte.
Thanks anyway.
Best,
Lei
On 6/6/06, Sankar Gorthi <
[EMAIL PROTECTED]> wrote:
of course, i'm assuming you're using a windows based PC and are using a
generic serial port access software (MATLAB, java etc.) to write to the
serial port.
Sankar.
On Mon, 05 Jun 2006 23:35:30 -0500, Sankar Gorthi
<[EMAIL PROTECTED] > wrote:
> Lei,
>
> you're actually right.
>
> You need to write to the 7E address.
>
> Try sending this message:
>
> 7E42 7D5E FFFF 7D5D 05AA 0744 0811 3840 7E
>
> Sankar.
>
>
>
> On Mon, 05 Jun 2006 23:23:41 -0500, Lei Tang <[EMAIL PROTECTED]> wrote:
>
>> Hi, Julia
>>
>> Thanks for your reply.
>>
>> I was using a general serial-port application to send data to the mote,
>> because I want to have my own application to control motes.
>>
>> My steps:
>> Firstly, I created a data file with TOS_Msg type; then the application
>> read
>> it and sent data to the base mote through serial port; I programmed the
>> base
>> mote with TOSBase, and tried to check received data in event
>> UARTReveive.receive.
>>
>> Yes, you are right; the length should be 6. But I'm not sure if the
>> address
>> should be 0x007e, since I'm trying to send data FROM PC TO MOTE through
>> UART. Anyway, even when I changed the two fields, Msg->data is still not
>> correct.
>>
>> I read SimpleCmdM.nc, which is used when injecting packets (Lesson 7 in
>> Tinyos tutorial). It seems that the received data is also TOS_Msg type
>> (see task
>> void cmdInterpret). I'm really confused.
>>
>> Thanks a lot.
>>
>> Best,
>> Lei
>>
>> On 6/5/06, [EMAIL PROTECTED] < [EMAIL PROTECTED]> wrote:
>>>
>>>
>>> Hi Lei,
>>>
>>> Are u trying to send the packet to Micaz using serial Forwarder and
>>> Broadcast Inject. If not, What format are u using to send it???
>>> Note: 10 represents the data length right?? so I think it should be 6
>>> and
>>> not 10. Also, since you are sending the packet to the UART so the
>>> destination address should be the UART address.
>>>
>>>
>>> My best regards,
>>>
>>> Julia
>>>
>>>
>>>
>>> -----------------------------------------------------------------------
>>> >
>>> > Hi, all
>>> >
>>> > I am trying to send a packet from a PC to a micaZ mote through serial
>>> > cable.
>>> > The packet looks like:
>>> >
>>> > 7e 42 ff ff 0 81 10 f f f f f f a1 21 7e
>>> > header data crc
>>> >
>>> > (I put two random bytes in the crc field, but I think that's not a
>>> big
>>> > problem since it doesn't filt out CRC-error packet.)
>>> >
>>> > At the mote, I read the received data in event TOS_MsgPrt
>>> > UARTReveive.receive (TOS_MsgPrt Msg) {}. The header is correct, but
>>> > Msg->data[0] is always the last CRC byte, here 0x21, and I didn't see
>>> the
>>> > data section (0xf) in Msg.
>>> >
>>> > Did I make a right packet? How could I send data to base mote
>>> throught
>>> > UART
>>> > correctly?
>>> >
>>> > Thanks!
>>> >
>>> > Best,
>>> > Lei Tang
>>>
>>>
>>>
>
>
>
--
No opera plot can be sensible, for people do not sing when they are
feeling sensible. - W. H. Auden
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