public static NceMessage sendPacketMessage(NceTrafficController tc, byte[] bytes, int retries) {
// this command isn't supported by the NCE USB
if (tc.getUsbSystem() != NceTrafficController.USB_SYSTEM_NONE) {
log.error(
"attempt to send unsupported sendPacketMessage to NCE USB cmd: 0x"
+ Integer.toHexString(SENDn_BYTES_CMD + bytes.length));
return null;
}
if (tc.getCommandOptions() >= NceTrafficController.OPTION_1999) {
if (bytes.length < 3 || bytes.length > 6) {
log.error(
"Send of NCE track packet too short or long:"
+ Integer.toString(bytes.length)
+ " packet:"
+ Arrays.toString(bytes));
}
NceMessage m = new NceMessage(2 + bytes.length);
m.setBinary(true);
m.setTimeout(SHORT_TIMEOUT);
m.setReplyLen(1);
int i = 0; // counter to make it easier to format the message
m.setElement(i++, SENDn_BYTES_CMD + bytes.length);
m.setElement(i++, retries); // send this many retries.
for (int j = 0; j < bytes.length; j++) {
m.setElement(i++, bytes[j] & 0xFF);
}
return m;
} else {
NceMessage m = new NceMessage(5 + 3 * bytes.length);
m.setBinary(false);
int i = 0; // counter to make it easier to format the message
m.setElement(i++, 'S'); // "S C02 " means sent it twice
m.setElement(i++, ' ');
m.setElement(i++, 'C');
m.setElement(i++, '0');
m.setElement(i++, '2');
for (int j = 0; j < bytes.length; j++) {
m.setElement(i++, ' ');
m.addIntAsTwoHex(bytes[j] & 0xFF, i);
i = i + 2;
}
m.setTimeout(SHORT_TIMEOUT);
return m;
}
}
public static NceMessage queuePacketMessage(NceTrafficController tc, byte[] bytes) {
// this command isn't supported by the NCE USB
if (tc.getUsbSystem() != NceTrafficController.USB_SYSTEM_NONE) {
log.error("attempt to send unsupported queuePacketMessage to NCE USB");
return null;
}
if (tc.getCommandOptions() >= NceTrafficController.OPTION_1999) {
if (bytes.length < 3 || bytes.length > 6) {
log.error(
"Queue of NCE track packet too long:"
+ Integer.toString(bytes.length)
+ " packet :"
+ Arrays.toString(bytes));
}
NceMessage m = new NceMessage(1 + bytes.length);
m.setBinary(true);
m.setReplyLen(1);
int i = 0; // counter to make it easier to format the message
m.setElement(i++, QUEUEn_BYTES_CMD + bytes.length);
for (int j = 0; j < bytes.length; j++) {
m.setElement(i++, bytes[j] & 0xFF);
}
return m;
} else {
NceMessage m = new NceMessage(1 + 3 * bytes.length);
m.setBinary(false);
int i = 0; // counter to make it easier to format the message
m.setElement(i++, 'Q'); // "S C02 " means sent it twice
for (int j = 0; j < bytes.length; j++) {
m.setElement(i++, ' ');
m.addIntAsTwoHex(bytes[j] & 0xFF, i);
i = i + 2;
}
return m;
}
}
