It looks like you are using "packet" to send your first message
but checking against "pkt" in sendDone() in order to reset the
"busy" flag... Also, I would always compare busy == {FALSE,TRUE}
rather than !busy which assumes that FALSE is 0.
MS
chikh omar wrote:
> I have modified the BlinkToRadio app as follows:
>
>
> #include <Timer.h>
> #include "BlinkToRadio.h"
> #include "printf.h"
> module BlinkToRadioC {
> uses interface Boot;
> uses interface Leds;
> uses interface Timer<TMilli> as Timer0;
> uses interface Packet;
> uses interface AMPacket;
> uses interface AMSend;
> uses interface Receive;
> uses interface SplitControl as AMControl;
> }
> implementation {
> uint16_t counter;
> message_t pkt, packet;
> bool busy = FALSE;
> void setLeds(uint16_t val) {
> if (val & 0x01)
> call Leds.led0On();
> else
> call Leds.led0Off();
> if (val & 0x02)
> call Leds.led1On();
> else
> call Leds.led1Off();
> if (val & 0x04)
> call Leds.led2On();
> else
> call Leds.led2Off();
> }
> event void Boot.booted() {
> call AMControl.start();
> }
> event void AMControl.startDone(error_t err) {
> if (err == SUCCESS) {
> call Timer0.startPeriodic(TIMER_PERIOD_MILLI);
>
>
> counter++;
> counter++;
> //while(busy);
> if (!busy) {
> BlinkToRadioMsg* btrpkt =
> (BlinkToRadioMsg*)(call Packet.getPayload(&packet,
> sizeof(BlinkToRadioMsg)));
> if (btrpkt == NULL) {
> return;
> }
> btrpkt->nodeid = TOS_NODE_ID;
> btrpkt->counter = counter;
> if (call AMSend.send(AM_BROADCAST_ADDR, &packet,
> sizeof(BlinkToRadioMsg)) == SUCCESS) {
> busy = TRUE;
> printf("BlinkToRadioMsg packet sent with success \n");
> printf("sizeof(BlinkToRadioMsg)=%i\n",sizeof(BlinkToRadioMsg) );
> }
> }
>
> else {
> printf("channel busy in sending BlinkToRadioMsg\n");
> call AMControl.start();
> }
>
> printfflush();
>
> }
> else {
> call AMControl.start();
> }
> }
> event void AMControl.stopDone(error_t err) {
> }
> event void Timer0.fired() {
>
> // counter++;
> // if (!busy) {
> // BlinkToRadioMsg* btrpkt =
> //(BlinkToRadioMsg*)(call Packet.getPayload(&pkt,
> sizeof(BlinkToRadioMsg)));
> // if (btrpkt == NULL) {
> //return;
> // }
> // btrpkt->nodeid = TOS_NODE_ID;
> // btrpkt->counter = counter;
> // if (call AMSend.send(AM_BROADCAST_ADDR,
> // &pkt, sizeof(BlinkToRadioMsg)) == SUCCESS) {
> // busy = TRUE;
> // }
> // }
>
> }
> event void AMSend.sendDone(message_t* msg, error_t err) {
> if (&pkt == msg) {
> busy = FALSE;
> }
> }
> event message_t* Receive.receive(message_t* msg, void* payload,
> uint8_t len){
>
> printf("Received packet of length %hhu.\n", len); printfflush();
>
> if (len == sizeof(BlinkToRadioMsg)) {
> BlinkToRadioMsg* btrpkt = (BlinkToRadioMsg*)payload;
> setLeds(btrpkt->counter);
> }
> return msg;
> }
> }
>
>
> the problem is that only the first message is received.
> any help please
>
> ***********************************************
> Omar Cheikhrouhou
> **Engineer & Researcher @SENS Lab (Software Engineering and Network
> Security)
> Higher Institute of Technological Studies - Address : Mahdia's road Km
> 2.5 Sfax. BP 88 A - 3099 El Bustan Sfax Telephone : (+2... Poste :
> 437** **Fax: : (+216)74 431 386*
>
> *Ph.D @ CES Lab (Computer and Embedded System)-University of Sfax,
> National School of Engineers BP W, Sfax, 3038, Tunisia ,
> Fax:(+216)74665369 ** *
>
> *Coordinator C2i @ ISET Sfax (Certified C2i since 2008)*
>
>
>
> ------------------------------------------------------------------------
>
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