}
$pc_dn[$i] = 0;
}
}
GPIO_Output(GPIO_PIN_DN, GPIO_LOW);
if ($something_changed) {
io_write_shared_memory($shm_id, 0, $in_states, $in_programs, $in_levels);
}
//check the shared memory buffer for changes and send event messages
$outputs_changed = 0;
$inputs_changed = 0;
$os = '';
$is = '';
$ip = '';
$il = '';
io_read_shared_memory($shm_id, $os, $is, $ip, $il);
if ($os . $is . $ip . $il != $out_states . $in_states . $in_programs . $in_levels) {
//something changed
//if($os!=$out_states) set_outputs($os); //set the hardware outputs
for ($i = 0; $i < OUT_PINS; $i++) {
if (substr($os, $i * 2, 2) != substr($out_states, $i * 2, 2)) {
send_io_output_binary_event_message($i, $os);
//light
$outputs_changed = 1;
}
}
for ($i = 0; $i < IN_PINS; $i++) {
if (substr($is, $i * 2, 2) != substr($in_states, $i * 2, 2) or substr($il, $i * 2, 2) != substr($in_levels, $i * 2, 2)) {
send_io_input_level_event_message($i, $is, $il);
//switch state and level
$inputs_changed = 1;
//use this to set up the listener and register with the hub
$b = '';
$os = '';
$is = '';
$ip = '';
$il = '';
$di = '';
$do1 = '';
$do2 = '';
while (1) {
if ($must_exit) {
break;
}
//send xAP heartbeat periodically
$t = xap_check_send_heartbeat(array(XAPUID_IO_IN, XAPUID_IO_OUT, XAPUID_DMX_IN1, XAPUID_DMX_OUT1, XAPUID_DMX_OUT2), array(XAPSRC_IO_IN, XAPSRC_IO_OUT, XAPSRC_DMX_IN1, XAPSRC_DMX_OUT1, XAPSRC_DMX_OUT2));
io_read_shared_memory($io_shm_id, $out_states, $in_states, $in_programs, $in_levels);
dmx_read_shared_memory($dmx_shm_id, $dmx_inputs, $dmx_outputs1, $dmx_outputs2);
if ($xap = xap_listen($b)) {
if ($debug & MSG_DEBUG_ID) {
print_r($xap);
}
$c = process_xap_msgs($xap);
}
if ($os . $is . $ip . $il != $out_states . $in_states . $in_programs . $in_levels) {
if ($debug & IO_DEBUG_ID) {
logformat("Current IO State:\n");
logformat(sprintf("Out States :%s\n", $out_states));
logformat(sprintf("In States :%s\n", $in_states));
logformat(sprintf("In Programs:%s\n", $in_programs));
logformat(sprintf("In Levels :%s\n", $in_levels));
}
