/* The main TSCH process */
PROCESS_THREAD(tsch_process, ev, data)
{
static struct pt scan_pt;
PROCESS_BEGIN();
while(1) {
while(!tsch_is_associated) {
if(tsch_is_coordinator) {
/* We are coordinator, start operating now */
tsch_start_coordinator();
} else {
/* Start scanning, will attempt to join when receiving an EB */
PROCESS_PT_SPAWN(&scan_pt, tsch_scan(&scan_pt));
}
}
/* We are part of a TSCH network, start slot operation */
tsch_slot_operation_start();
/* Yield our main process. Slot operation will re-schedule itself
* as long as we are associated */
PROCESS_YIELD_UNTIL(!tsch_is_associated);
/* Will need to re-synchronize */
tsch_reset();
}
PROCESS_END();
}
PROCESS_THREAD(shell_owtest_process, ev, data) {
int err;
PROCESS_BEGIN();
// Attempt to acquire 1-Wire lock
while (!ow_lock()) {
PROCESS_PAUSE();
}
// Reset the bus
err = ow_reset();
if (err < 0) {
shell_output_P(&owtest_command, PSTR("Bus reset failed.\n"));
PROCESS_EXIT();
}
else if (err == 0) {
shell_output_P(&owtest_command, PSTR("No presence detected.\n"));
PROCESS_EXIT();
}
// Start the search
err = ow_search_first(&search, 0);
do {
if (err < 0) {
shell_output_P(&owtest_command, PSTR("Search error: %d\n"), err);
PROCESS_EXIT();
}
else if (err == 0) {
shell_output_P(&owtest_command, PSTR("No devices found.\n"));
break;
}
// Print search result
shell_output_P(&owtest_command,
PSTR("Found: %02x.%02x%02x%02x%02x%02x%02x\n"),
search.rom_no.family, // family code
search.rom_no.id[0], search.rom_no.id[1], search.rom_no.id[2],
search.rom_no.id[3], search.rom_no.id[4], search.rom_no.id[5]);
// If it's a DS18B20, read it
if (search.rom_no.family == 0x28) {
shell_output_P(&owtest_command, PSTR("Reading temperature...\n"));
PROCESS_PT_SPAWN(&ow_pt, read_temp(&ow_pt, &search.rom_no));
}
// If we found the last device on the bus, break out of the loop
if (search.last_device_flag) {
break;
}
// Find the next device on the bus
err = ow_search_next(&search);
} while (1);
// Relinquish bus lock
ow_unlock();
shell_output_P(&owtest_command, PSTR("Search complete.\n"));
PROCESS_END();
}
