public static NceMessage getWriteRegister(NceTrafficController tc, int reg, int val) {
// not supported by USB connected to SB3 or PH
if (tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB3
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB5
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_TWIN
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_POWERHOUSE) {
log.error("attempt to send unsupported binary command WRITE_REG_CMD to NCE USB");
return null;
}
if (reg > 8) {
log.error("register number too large: " + reg);
}
if (tc.getCommandOptions() >= NceTrafficController.OPTION_2006) {
NceMessage m = new NceMessage(3);
m.setBinary(true);
m.setReplyLen(1);
m.setOpCode(WRITE_REG_CMD);
m.setElement(1, reg);
m.setElement(2, val);
m.setNeededMode(jmri.jmrix.AbstractMRTrafficController.PROGRAMINGMODE);
m.setTimeout(NCE_PAGED_CV_TIMEOUT);
return m;
} else {
NceMessage m = new NceMessage(6);
m.setBinary(false);
m.setOpCode('S');
String s = "" + reg;
m.setElement(1, s.charAt(s.length() - 1));
m.setElement(2, ' ');
m.addIntAsThree(val, 3);
m.setNeededMode(jmri.jmrix.AbstractMRTrafficController.PROGRAMINGMODE);
m.setTimeout(NCE_PAGED_CV_TIMEOUT);
return m;
}
}
/**
* write paged mode CV to programming track
*
* @param tc
* @param cv
* @param val
*/
public static NceMessage getWritePagedCV(NceTrafficController tc, int cv, int val) {
// test if supported on current connection
if (tc.getUsbSystem() != NceTrafficController.USB_SYSTEM_NONE
&& (tc.getCmdGroups() & NceTrafficController.CMDS_PROGTRACK)
!= NceTrafficController.CMDS_PROGTRACK) {
log.error("attempt to send unsupported binary command WRITE_PAGED_CV_CMD to NCE USB");
// return null;
}
if (tc.getCommandOptions() >= NceTrafficController.OPTION_2006) {
NceMessage m = new NceMessage(4);
m.setBinary(true);
m.setReplyLen(1);
m.setOpCode(WRITE_PAGED_CV_CMD);
m.setElement(1, cv >> 8);
m.setElement(2, cv & 0xFF);
m.setElement(3, val);
m.setNeededMode(jmri.jmrix.AbstractMRTrafficController.PROGRAMINGMODE);
m.setTimeout(NCE_PAGED_CV_TIMEOUT);
return m;
} else {
NceMessage m = new NceMessage(8);
m.setBinary(false);
m.setOpCode('P');
m.addIntAsThree(cv, 1);
m.setElement(4, ' ');
m.addIntAsThree(val, 5);
m.setNeededMode(jmri.jmrix.AbstractMRTrafficController.PROGRAMINGMODE);
m.setTimeout(NCE_PAGED_CV_TIMEOUT);
return m;
}
}
/**
* Apparently the binary "exitProgrammingMode" command can crash the command station if the EPROM
* was built before 2006. This method uses a state flag ({@link
* NceTrafficController#getNceProgMode}) to detect whether a command to enter program mode has
* been generated, and presumably sent, when using the later EPROMS. *
*/
public static NceMessage getExitProgMode(NceTrafficController tc) {
NceMessage m = new NceMessage(1);
if (tc.getCommandOptions() >= NceTrafficController.OPTION_2006) {
// Sending exit programming mode binary can crash pre 2006 EPROMs
// assumption is that program mode hasn't been entered, so exit without
// sending command
if (tc.getNceProgMode() == false) {
return null;
}
// not supported by USB connected to SB3 or PH
if (tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB3
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB5
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_TWIN
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_POWERHOUSE) {
log.error("attempt to send unsupported binary command EXIT_PROG_CMD to NCE USB");
// return null;
}
tc.setNceProgMode(false);
m.setBinary(true);
m.setReplyLen(1);
m.setOpCode(EXIT_PROG_CMD);
m.setTimeout(SHORT_TIMEOUT);
} else {
m.setBinary(false);
m.setOpCode('X');
m.setTimeout(SHORT_TIMEOUT);
}
return m;
}
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;
}
}
/**
* enter programming track mode
*
* @param tc
*/
public static NceMessage getProgMode(NceTrafficController tc) {
// test if supported on current connection
if (tc.getUsbSystem() != NceTrafficController.USB_SYSTEM_NONE
&& (tc.getCmdGroups() & NceTrafficController.CMDS_PROGTRACK)
!= NceTrafficController.CMDS_PROGTRACK) {
log.error("attempt to send unsupported binary command ENTER_PROG_CMD to NCE USB");
// return null;
}
NceMessage m = new NceMessage(1);
if (tc.getCommandOptions() >= NceTrafficController.OPTION_2006) {
tc.setNceProgMode(true);
m.setBinary(true);
m.setReplyLen(1);
m.setOpCode(ENTER_PROG_CMD);
m.setTimeout(SHORT_TIMEOUT);
} else {
m.setBinary(false);
m.setOpCode('M');
m.setTimeout(SHORT_TIMEOUT);
}
return m;
}
public static NceMessage createAccySignalMacroMessage(
NceTrafficController tc, int op, int addr, int data) {
if (tc.getCommandOptions() < NceTrafficController.OPTION_2004) {
log.error("Attempt to send NCE command to EPROM built before 2004");
}
NceMessage m = new NceMessage(5);
m.setBinary(true);
m.setReplyLen(1);
m.setTimeout(SHORT_TIMEOUT);
m.setOpCode(SEND_ACC_SIG_MACRO_CMD);
m.setElement(1, (addr >> 8) & 0xFF);
m.setElement(2, addr & 0xFF);
m.setElement(3, op);
m.setElement(4, data);
return m;
}
public static NceMessage createBinaryMessage(NceTrafficController tc, byte[] bytes) {
if (tc.getCommandOptions() < NceTrafficController.OPTION_2004) {
log.error("Attempt to send NCE command to EPROM built before 2004");
}
if (bytes.length < 1 || bytes.length > 20) {
log.error("NCE command message length error:" + bytes.length);
}
NceMessage m = new NceMessage(bytes.length);
m.setBinary(true);
m.setReplyLen(1);
m.setTimeout(SHORT_TIMEOUT);
for (int j = 0; j < bytes.length; j++) {
m.setElement(j, bytes[j] & 0xFF);
}
return m;
}
public static NceMessage getWriteDirectCV(NceTrafficController tc, int cv, int val) {
// not supported by USB connected to SB3 or PH
if (tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB3
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_SB5
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_TWIN
|| tc.getUsbSystem() == NceTrafficController.USB_SYSTEM_POWERHOUSE) {
log.error("attempt to send unsupported binary command WRITE_DIR_CV_CMD to NCE USB");
return null;
}
if (tc.getCommandOptions() < NceTrafficController.OPTION_2006) {
log.error("getWriteDirectCV with option " + tc.getCommandOptions());
}
NceMessage m = new NceMessage(4);
m.setBinary(true);
m.setReplyLen(1);
m.setOpCode(WRITE_DIR_CV_CMD);
m.setElement(1, cv >> 8);
m.setElement(2, cv & 0xFF);
m.setElement(3, val);
m.setNeededMode(jmri.jmrix.AbstractMRTrafficController.PROGRAMINGMODE);
m.setTimeout(NCE_DIRECT_CV_TIMEOUT);
return m;
}