[Tinyos-help] SendMsg.Send & GenericComm

[Michael Schippling]

oops, and add this to the top of the main Module too:

    uses interface StdControl as CommControl;

MS

Michael Schippling wrote:
> I thought this would be simple, but I'm finding some inconsistent
> usages in the demo apps and some of my own code...Anyway the working
> examples (say, Oscilloscope) that I have for T1 do this:
> 
> In the config file:
>   OscilloscopeM.CommControl -> GenericComm;
> 
> Init the Comm system in the main Module:
>   command result_t StdControl.init()
>   {
>     ...
>     call CommControl.init();
>     ...
>   }
> 
> Otherwise your code looks like it should work fine.
> 
> You can also try putting a dbg line in timer.fired() to see if it works.
> 
> MS
> 
> 
> 
> Antonio C wrote:
>> Hi all,
>> i was trying to implement an application that uses SendMsg interface.
>> I have looked previous posts (especially Event SendMsg.sendDone, may 
>> 2005)
>> and i have copied and pasted the code inside my application
>> Now, when i execute the application, it seems like to be in an 
>> infinite loop, with an output like this
>>
>>
>> 2: CLOCK: Setting clock rate to interval 231, scale 3
>> 2: malloc data entry for clock event: 0xa05fbd0
>> 2: UART initialized.
>> 2: RANDOM_LFSR initialized.
>> 2: malloc channel mon event.
>> 2: malloc Channel Mon event data.
>> 2: AM Module initialized
>> 2: LEDS: initialized.
>> 2: CLOCK: Setting clock rate to interval 231, scale 3
>> 2: malloc data entry for clock event: 0xa05fc48
>> 2: UART started.
>> 2: Popping event for mote 2 with time 0:0:1.89305375.
>> 2: Setting TOS_LOCAL_ADDRESS to 2
>> 2: RADIO: Channel Mon event handled for mote 2 at 0:0:1.89305375 with 
>> interval of 200.
>> 2: RFM: Mote 2 got bit 0
>> 2: Popping event for mote 2 with time 0:0:1.89470375.
>> 2: Setting TOS_LOCAL_ADDRESS to 2
>> 2: RADIO: Channel Mon event handled for mote 2 at 0:0:1.89470375 with 
>> interval o
>> f 200.
>> 2: RFM: Mote 2 got bit 0
>> 2: Popping event for mote 2 with time 0:0:1.89475375.
>> 2: Setting TOS_LOCAL_ADDRESS to 2
>> 2: RADIO: Channel Mon event handled for mote 2 at 0:0:1.89475375 with 
>> interval o
>> f 200.
>> 2: RFM: Mote 2 got bit 0
>> etc etc
>>
>> So, even if in the code there is a timer which calls the event 
>> timer.fired(), this event  never happens and so SendMsg.Send is never 
>> called!!!!
>> However, i have found the problem: if i delete the line
>> Main.StdControl->Comm.Control
>> in test.nc everything works, but the event SendMsg.sendDone isn't 
>> throw, and i don't want it!!!
>> What can i do?
>> Below i post the code of the appication
>>
>> thanks
>> Antonio
>>
>> //----------
>> //test.h
>> //----------
>> enum
>> {
>>   AM_TEST=38
>> };
>>
>> typedef struct testMsg
>> {
>>  
>>  uint16_t addr; //address of the mote that has to answer
>>   uint16_t cnt; //counter
>>   uint16_t src; // source address
>> } testMsg;
>>
>> //-----------
>> // end test.h
>> //-----------
>>
>>
>> //--------------
>> //testM.nc
>> //--------------
>> includes test;
>>
>> module testM {
>>        provides interface StdControl;
>>
>>        uses interface SendMsg;
>>        uses interface ReceiveMsg;
>>        uses interface Timer;
>>        uses interface Leds;
>> }
>> implementation {
>>         struct TOS_Msg local_msg;
>>         int counter;
>>
>>         task void SendPacket(){
>>             testMsg *message = (testMsg *)local_msg.data;
>>              message->addr = TOS_BCAST_ADDR;
>>              message->cnt = counter;
>>              atomic {
>>                message->src = TOS_LOCAL_ADDRESS;
>>              }
>>              if (call SendMsg.send(TOS_BCAST_ADDR, sizeof(testMsg), 
>> &local_msg))
>>              {
>>                 dbg(DBG_USR1, "Send Packet\n");
>>                 call Leds.redToggle();
>>              }
>>         }
>>
>>         command result_t StdControl.init() {
>>                 call Leds.init();
>>                 return SUCCESS;
>>         }
>>
>>         command result_t StdControl.start() {
>>                  call Timer.start( TIMER_REPEAT, 1000 );
>>                  return SUCCESS;
>>         }
>>
>>         command result_t StdControl.stop() {
>>                  call Timer.stop();
>>                  return SUCCESS;
>>         }
>>
>>         event result_t Timer.fired() {
>>               counter++;
>>               post SendPacket();
>>               return SUCCESS;
>>         }
>>
>>         event TOS_MsgPtr ReceiveMsg.receive( TOS_MsgPtr msg ) {
>>               atomic {
>>                       dbg(DBG_USR1, "Packed Received\n");
>>               }
>>               return msg;
>>         }
>>
>>         event result_t SendMsg.sendDone(TOS_MsgPtr sent,
>>  result_t success) {
>>                        dbg(DBG_USR1, "Packet Send Done\n");
>>           return SUCCESS;
>>         }
>>
>> }
>> //-----------------
>> // end testM.nc
>> //---------------
>>
>> //----------
>> // test.nc
>> //----------
>> includes test;
>>
>> configuration test {
>>
>> }
>> implementation {
>>         components Main, testM, GenericComm as Comm, TimerC, LedsC;
>>
>>         Main.StdControl -> testM.StdControl;
>>         Main.StdControl -> TimerC.StdControl;
>>
>>         testM.SendMsg -> Comm.SendMsg[AM_TEST];
>>         testM.ReceiveMsg -> Comm.ReceiveMsg[AM_TEST];
>>         testM.Timer -> TimerC.Timer[unique("Timer")];
>>         testM.Leds -> LedsC;
>> }
>>
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