/**
* Display the error message.
*
* @param code the error code.
* @param message the error message (textual error description).
* @param jpc points to the last bytecode to be executed when the error occured.
* @param npc points to the machine instruction that was producing the error.
* @param jpcext set if jpc points to external memory (e.g. flash).
* @see onError(int code, int jpc, int npc, boolean jpcext).
*/
public static void onError(int code, String message, int jpc, int npc, boolean jpcext) {
// set current flash bank where error occured
String jpcbank;
if (jpcext) {
jpcbank = Management.getProperty("system.userbank");
if (jpcbank == null) jpcbank = "0";
} else {
// when jpcext is set, error was caused by ROM code
jpcbank = "f";
}
// Print the error message to the RS232 port, using standard
// communication parameters.
// When the RS232-Terminal of the JControl/IDE is opened, this message
// is used to
// back-trace the error automatically.
try {
RS232 rs232 = new RS232();
String errorString =
"\nJControl/ErrorHandler: Code="
.concat(String.valueOf(code))
.concat(" NPC=0xf")
.concat(Integer.toHexString(npc))
.concat(" JPC=0x")
.concat(jpcbank)
.concat(Integer.toHexString(jpc))
.concat("\n");
rs232.write(errorString.getBytes(), 0, errorString.length());
rs232.close();
} catch (IOException e) {
}
// create keyboard instance
m_keyboard = new Keyboard();
// start timing thread to control buzzer signals and reboot
Thread t = new Thread(new ErrorHandler());
t.setDaemon(true);
t.start();
// generate error message string when not passed by caller
if (message == null) {
if ((code < 0) || (code >= ERROR_MESSAGES.length)) {
message = "ErrorCode 0x".concat(Integer.toHexString(code));
} else {
message = ERROR_MESSAGES[code];
}
}
// Print the error message to the RS232 port, using standard
// communication parameters.
// When the RS232-Terminal of the JControl/IDE is opened, this message
// is used to
// back-trace the error automatically.
try {
RS232 rs232 = new RS232();
String errorString =
"\nJControl/ErrorHandler: Code="
.concat(String.valueOf(code))
.concat(" NPC=0xf")
.concat(Integer.toHexString(npc))
.concat(" JPC=0x")
.concat(jpcbank)
.concat(Integer.toHexString(jpc))
.concat("\n");
rs232.write(errorString.getBytes(), 0, errorString.length());
rs232.close();
} catch (IOException e) {
}
// wait for keypress
m_keyboard.read();
}
/**
* This method will list all date entries found in persistent storage. The user may select one of
* the entries and either change the selected entry or delete it or even quit without any change.
*
* @return Date object chosen or <code>null</code>.
*/
private static Date listDates() {
Date result = null;
Date[] list = new Date[4]; // the entry list (the size will be changed if necessary)
// two items for every tlv entry (date and subject message)
{
int index = 0;
Date current = Date.getNextDate(new Time(2000, 1, 1, 0, 0, 0, 0)); // start searching here
while (current != null) {
if (index >= list.length) { // if list array is too small
Date[] newlist = new Date[list.length + 4];
for (int c = 0; c < list.length; c++) newlist[c] = list[c]; // enlarge the array
list = newlist;
}
list[index++] = current;
// the subject message
Time next = current.time;
current =
Date.getNextDate(
new Time(next.year, next.month, next.day, next.dow, next.hour, next.minute + 1, 0));
}
if (index <= 0) { // if there are no entries, return immediately
return null;
} else {
if (index < list.length) { // trim to size
Date[] newlist = new Date[index];
for (int c = 0; c < index; c++) newlist[c] = list[c];
list = newlist;
}
}
} // all entries were found and set into the list
{ // now, create a choose dialog and wait for user input
lcd.clearRect(1, 20, 126, 43); // clear the main rectangle area
{
String[] image = new String[] {"\u040E\u1F0E\u0400"}; // the up and down arrow image
// create menu items
lcd.drawImage(image, 22, 57, 5, 3, 0, 0); // up
lcd.drawImage(image, 7, 57, 5, 3, 0, 2); // down
lcd.drawString("modify", 35, 55); // change
lcd.drawString("delete", 65, 55); // delete
lcd.drawString("back", 100, 55); // quit
}
lcd.setDrawMode(Display.XOR);
char c = 0;
int shift = 0;
int select = 0;
for (int i = 0;
i < 4;
i++) { // draw four entries on the screen (there isn't enough space for more than four
// :-))
if (i + shift < list.length) {
int pos = lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
lcd.fillRect(6, 20, 120, 8); // draw a rectangle around the first entry as it is selected
// select one of the menu items
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
mainloop:
for (; ; ) {
c = key.read(); // wait for keypress
switch (c) {
case 'R': // select the next menu item
case 'U':
case 'u':
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
select++;
select %= 5;
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
break;
case 'L': // select the previous menu item
case 'D':
case 'd':
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
select += 4;
select %= 5;
lcd.fillRect(
select == 0 ? 2 : select == 1 ? 17 : select == 2 ? 30 : select == 3 ? 60 : 95,
55,
select < 2 ? 15 : select == 3 ? 36 : 32,
7);
break;
case 'S': // button was pressed -> do something
switch (select) {
case 0: // down
case 1: // up
// scroll around
for (int i = 0; i < 4; i++) {
if (i + shift < list.length) {
int pos =
lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
if (select == 1) shift = (shift <= 0 ? 0 : shift - 1);
if (select == 0) shift = (shift >= list.length - 1 ? list.length - 1 : shift + 1);
for (int i = 0; i < 4; i++) {
if (i + shift < list.length) {
int pos =
lcd.drawString(time2string(list[i + shift].time), 9, 21 + (i << 3)) + 14;
if (!"$".equals(list[i + shift].text))
lcd.drawString(list[i + shift].text, pos, 21 + (i << 3), 116 - pos, 10, 0, 0);
}
}
break;
case 2: // change
result = list[shift];
case 3: // delete
try {
list[shift].remove();
updateAlarm(null);
} catch (IOException e) {
}
case 4:
break mainloop; // quit without change
}
break;
}
}
lcd.setDrawMode(Display.NORMAL);
return result;
}
}