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Keep cca scan function separated 

modified:   examples/rf_environment/rf_environment.c
contiki
Robert Olsson 2017-05-23 21:07:59 +02:00
parent 18cfaf7fa2
commit b4ef18b2fa
1 changed files with 22 additions and 12 deletions
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34
examples/rf_environment/rf_environment.c
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@ -132,6 +132,25 @@ set_cca_thresh(radio_value_t thresh)
}
return 0;
}
void
do_all_chan_cca(int *cca, int try)
{
int j;
for(j = 0; j < 16; j++) {
set_chan(j+11);
cca[j] = 0;
#ifdef CONTIKI_TARGET_AVR_RSS2
watchdog_periodic();
#endif
NETSTACK_RADIO.on();
for(i = 0; i < try; i++) {
cca[j] += NETSTACK_RADIO.channel_clear();
}
NETSTACK_RADIO.off();
}
}
PROCESS_THREAD(rf_scan_process, ev, data)
{
PROCESS_BEGIN();
@ -155,18 +174,9 @@ PROCESS_THREAD(rf_scan_process, ev, data)
for(k = -90; k <= -60; k += 2) {
set_cca_thresh(k);
for(j = 0; j < 16; j++) {
set_chan(j+11);
cca[j] = 0;
#ifdef CONTIKI_TARGET_AVR_RSS2
watchdog_periodic();
#endif
NETSTACK_RADIO.on();
for(i = 0; i < SAMPLES; i++) {
cca[j] += NETSTACK_RADIO.channel_clear();
}
NETSTACK_RADIO.off();
}
do_all_chan_cca(cca, SAMPLES);
printf("cca_thresh=%-3ddBm", get_cca_thresh());
worst = 0;