I can't comment on the wiring as I try to remain as aloof as
possible from nesc syntax, I would try to find some other usage
examples and emulate them.
However you do need to implement all the events in an interface.
Just make stubs for the ones you don't plan to use.
MS
Varun Jain wrote:
> Hi,
>
> I am trying to send raw bytes of data on the UART to operate a serial
> 7-segment LED screen connected to the remote nodes(as the screen accepts
> commands in terms of hex bytes to display the data). For this I am using
> the UartStream interface as follows:
>
>
>
> ---------------In the application module’s
> implementation-------------------------------
>
> call UartStream.send(buf, sizeof(buf));
>
> event void UartStream.sendDone(uint8_t* buffer, uint16_t len, error_t ok) {
>
> if (ok == SUCCESS) {
>
> call Leds.led1Toggle();
>
> }
>
> }
>
>
>
> -------------------------------------------and the wiring looks like as
> follows-------------
>
>
>
> components PlatformSerialC;
>
> AntiTheftC.UartStream -> PlatformSerialC;
>
> --------------------------------------------------------------------------------------------------------
>
>
>
> But I am getting errors as follows:
>
>
>
> In component `AntiTheftC':
>
> AntiTheftC.nc:236: `UartStream.sendDone': async mismatch with declaration
>
> /opt/tinyos-2.x/tos/interfaces/UartStream.nc:57: previous declaration of `Ua
>
> rtStream.sendDone'
>
> AntiTheftC.nc:54: `UartStream.receivedByte' not implemented
>
> AntiTheftC.nc:54: `UartStream.receiveDone' not implemented
>
> make: *** [exe0] Error 1
>
>
>
> Can anyone suggest what is the problem or how can it be fixed? What I
> understand from UartStream interface is either we can send or receive
> multiple bytes on UART, for sending don’t we just need to send and
> senddone OR do we also need to use other commands in this interface
> JUST FOR SENDING, I do not want to receive back anything.
>
>
>
> Is there any other interface to do this task ???
>
>
>
> Cheers,
>
>
>
> Varun Jain
>
>
>
>
> ------------------------------------------------------------------------
>
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