While mote 0 is transmitting 0s, the TOSH_rfm_rx_bit() in TOS_SIGNAL_HANDLER(SIG_OUTPUT_COMPARE2B, ()) of mote 1 is called. And because radio_active[1] == 0, TOSH_rfm_rx_bit() returns 0. After 12 bits, it signal ChannelMon.idleDetect() to show the channel is free. But actually mote 0 is using the channel and transmitting 0s.
Why is it so? Any help is appreciated.
Regards,
Haibin
On 6/2/06, Liu Haibin <[EMAIL PROTECTED]> wrote:
Hi,
I have a question about the following code from Rfm_model.c. The parameter bit can be 1 or 0. When simple_trasmit is transmitting bit 1, transmitting[modeID] is set to 1, meaning it's transmitting. However, when simple_transmit is transmitting bit 0, transmitting[modeID] is set to 0, meaning it's not transmitting (actually it's transmitting bit 0). Why is it so? I must have the concept wrong. Could any help me on this?
void simple_transmit(int moteID, char bit) {
int i;
transmitting[moteID] = bit;
for (i = 0; i < tos_state.num_nodes; i++) {
radio_active[i] += bit;
}
}
Regards,
Haibin
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