this is code RadioCountToLedsC
module RadioCountToLedsC @safe() {
uses {
interface Leds;
interface Boot;
interface Receive;
interface AMSend;
interface Timer<TMilli> as MilliTimer;
interface SplitControl as AMControl;
interface Packet;
}
}
implementation {
message_t packet;
bool locked;
uint16_t counter = 0;
event void Boot.booted() {
call Leds.led0On();
dbg("Boot,RadioCountToLedsC", "Application booted.\n");
dbg("RadioCountToLedsC", "Application booted again.\n");
dbg("Boot", "Application booted a third time.\n");
call AMControl.start();
}
event void AMControl.startDone(error_t err) {
if (err == SUCCESS) {
call MilliTimer.startPeriodic(250);
}
else {
call AMControl.start();
}
}
event void AMControl.stopDone(error_t err) {
// do nothing
}
event void MilliTimer.fired() {
counter++;
dbg("RadioCountToLedsC", "RadioCountToLedsC: timer fired, counter is
%hu.\n", counter);
if (locked) {
return;
}
else {
radio_count_msg_t* rcm = (radio_count_msg_t*)call
Packet.getPayload(&packet, sizeof(radio_count_msg_t));
if (rcm == NULL) {
return;
}
rcm->counter = counter;
if (call AMSend.send(AM_BROADCAST_ADDR, &packet,
sizeof(radio_count_msg_t)) == SUCCESS) {
dbg("RadioCountToLedsC", "RadioCountToLedsC: packet sent. %hu\n",
counter);
locked = TRUE;
}
}
}
event message_t* Receive.receive(message_t* bufPtr,
void* payload, uint8_t len) {
dbg("RadioCountToLedsC", "Received packet of length %hhu.\n", len);
if (len != sizeof(radio_count_msg_t)) {return bufPtr;}
else {
radio_count_msg_t* rcm = (radio_count_msg_t*)payload;
if (rcm->counter & 0x1) {
call Leds.led0On();
}
else {
call Leds.led0Off();
}
if (rcm->counter & 0x2) {
call Leds.led1On();
}
else {
call Leds.led1Off();
}
if (rcm->counter & 0x4) {
call Leds.led2On();
}
else {
call Leds.led2Off();
}
return bufPtr;
}
}
event void AMSend.sendDone(message_t* bufPtr, error_t error) {
dbg("RadioCountToLedsC", "SendDone called.\n");
if (&packet == bufPtr) {
locked = FALSE;
}
}
}
on simulation it gives segmentation fault
1 2 -54.0
2 1 -55.0
1 3 -60.0
3 1 -60.0
2 3 -64.0
3 2 -64.0
Creating noise model for 0
Creating noise model for 1
Creating noise model for 2
Creating noise model for 3
DEBUG (0): Application booted.
DEBUG (0): Application booted again.
DEBUG (1): Application booted.
DEBUG (1): Application booted again.
DEBUG (2): Application booted.
DEBUG (2): Application booted again.
DEBUG (3): Application booted.
DEBUG (3): Application booted again.
DEBUG (1): RadioCountToLedsC: timer fired, counter is 1.
DEBUG (1): RadioCountToLedsC: packet sent.
DEBUG (0): RadioCountToLedsC: timer fired, counter is 1.
DEBUG (0): RadioCountToLedsC: packet sent.
DEBUG (2): RadioCountToLedsC: timer fired, counter is 1.
DEBUG (2): RadioCountToLedsC: packet sent.
DEBUG (3): RadioCountToLedsC: timer fired, counter is 1.
DEBUG (3): RadioCountToLedsC: packet sent.
Segmentation fault
Please help me.
Thanks
Avinash Kumar Chaurasia
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