//something changed in shm
for ($i = 0; $i < 128; $i++) {
if (substr($do1, $i * 2, 2) != substr($dmx_outputs1, $i * 2, 2)) {
//send xap dmx level change message for universe 1
send_dmx_output_level_event_message($i, XAPSRC_DMX_OUT1, XAPUID_DMX_OUT1, $do1, $donames1);
$outs1_changed = 1;
}
if (substr($do2, $i * 2, 2) != substr($dmx_outputs2, $i * 2, 2)) {
//send xap dmx level change message for universe 2
send_dmx_output_level_event_message($i, XAPSRC_DMX_OUT2, XAPUID_DMX_OUT2, $do2, $donames2);
$outs2_changed = 1;
}
}
}
if ($outs1_changed) {
$dmx_outputs1 = $do1;
dmx_set_levels_U1(bcd_to_chr($dmx_outputs1));
}
if ($outs2_changed) {
$dmx_outputs2 = $do2;
dmx_set_levels_U2(bcd_to_chr($dmx_outputs2));
}
usleep(5000);
}
}
dmx_set_dmx_receive_mode(SEND_ON_CHANGE_ONLY);
dmx_close();
dmx_write_state_file($dstate_file, $dmx_inputs, $dmx_outputs1, $dmx_outputs2);
socket_close($xap_sock_in);
shmop_close($shm_id);
logformat("hac_dmx exiting cleanly.\n");
} else {
$debug = 0;
}
exec('stty -F /dev/ttyUSB0 115200 raw -echo');
if ($dmx = fopen('/dev/ttyUSB0', 'w+')) {
dmx_set_levels('');
$d1 = str_pad('', 128, chr(0));
$d2 = str_pad('', 128, chr(0));
dmx_set_levels_U1($d1);
dmx_set_levels_U2($d2);
$t = microtime(true);
for ($i = 0; $i <= 255; $i++) {
$d1 = str_pad('', 128, chr($i));
$d2 = str_pad('', 128, chr(255 - $i));
dmx_set_levels_U1($d1);
dmx_set_levels_U2($d2);
if ($must_exit) {
break;
}
}
fclose($dmx);
}
print microtime(true) - $t . "seconds\n";
function dmx_write($cmd, $s, $data)
{
global $debug, $dmx;
$sLSB = $s % 256;
$sMSB = floor($s / 256);
$packet = chr(DMX_START_BYTE) . chr($cmd) . chr($sLSB) . chr($sMSB) . $data . chr(DMX_END_BYTE);
if ($debug) {
printf("Sent: %s\n", hex_display($packet));
$debug = 0;
}
$read_buffer = str_pad('', 519, chr(0)) . chr(DMX_END_BYTE);
if (!($fw = dmx_connect())) {
printf("Buffer: %s\n", hex_display($read_buffer));
die("Could not talk to DMX Interface!\n");
}
printf("Firmware Version: %s\n", $fw['FW_VER']);
printf("DMX Output Break Time: %s x 10.67 = %.02f us\n", $fw['DMX_BR_TIME'], $fw['DMX_BR_TIME'] * 10.67);
printf("DMX Mark After Break Time: %s x 10.67 = %.02f us\n", $fw['DMX_MABR_TIME'], $fw['DMX_MABR_TIME'] * 10.67);
printf("DMX Output Rate: %s packets/sec\n", $fw['DMX_OUTPUT_RATE']);
printf("DMX Config Data: %s\n", $fw['CONFIG_DATA']);
$dmx_input = str_pad('', 128, chr(0));
$data = str_pad('', 128, chr(0));
dmx_set_levels_U1($data);
dmx_set_levels_U2($data);
//dmx_set_dmx_receive_mode(SEND_ALWAYS);
dmx_set_dmx_receive_mode(SEND_ON_CHANGE_ONLY);
while (1) {
if ($must_exit) {
break;
}
if (dmx_read($read_buffer)) {
//got some input from the interface
while ($packet = dmx_get_next_packet($read_buffer)) {
if ($p = dmx_get_dmx_rx_data($packet)) {
if ($debug) {
printf("DMX Received: %s\n", hex_display($p));
}
}
if ($p = dmx_get_dmx_change_data($packet, $dmx_input)) {
