void MenuDisplayItem() // this method could blow up the stack! need to update
{
TerminalSetCursorPosition(5,1);
TerminalSendString(MenuItems[HWselection]);
/*
switch(selection){
case MNU_PATTERN:
TerminalSendString("pattern ");
break;
case MNU_SPEED:
TerminalSendString("speed ");
break;
case MNU_HOURS:
TerminalSendString("hours ");
break;
case MNU_AMPM:
TerminalSendString("AM or PM ");
break;
case MNU_MINS:
TerminalSendString("mins ");
break;
case MNU_SECS:
TerminalSendString("secs ");
break;
case MNU_HRMODE:
TerminalSendString("24 or 12 hr");
break;
case MNU_YEAR:
TerminalSendString("year ");
break;
case MNU_MONTH:
TerminalSendString("month ");
break;
case MNU_DAY:
TerminalSendString("day of week");
break;
case MNU_DATE:
TerminalSendString("date ");
break;
}*/
}
uint16_t Sniff14443AAppProcess(uint8_t* Buffer, uint16_t BitCount){
switch (Sniff14443CurrentCommand){
case Sniff14443_Do_Nothing: {
return 0;
}
case Sniff14443_Autocalibrate: {
switch (SniffState) {
case STATE_REQA:
LED_PORT.OUTCLR = LED_RED;
// If received Reader REQA or WUPA
if (TrafficSource == TRAFFIC_READER &&
(Buffer[0] == 0x26 || Buffer[0] == 0x52)) {
SniffState = STATE_ATQA;
} else {
// Stay in this state, do noting
}
break;
case STATE_ATQA:
// ATQA: P RRRR XXXX P XXRX XXXX
if (TrafficSource == TRAFFIC_CARD &&
BitCount == 2 * 9 &&
(Buffer[0] & 0x20) == 0x00 && // Bit6 RFU shall be 0
(Buffer[1] & 0xE0) == 0x00 && // bit13-16 RFU shall be 0
(Buffer[2] & 0x01) == 0x00 &&
checkParityBits(Buffer, BitCount)) {
// Assume this is a good ATQA
SniffState = STATE_ANTICOLLI;
} else {
// If not ATQA, but REQA, then stay on this state,
// Reset to REQA, save the counter and reset the counter
if (TrafficSource == TRAFFIC_READER &&
(Buffer[0] == 0x26 || Buffer[0] == 0x52)) {
} else {
// If not ATQA and not REQA then reset to REQA
reset2REQA();
}
}
break;
case STATE_ANTICOLLI:
// SEL: 93/95/97
if (TrafficSource == TRAFFIC_READER &&
BitCount == 2 * 8 &&
(Buffer[0] & 0xf0) == 0x90 &&
(Buffer[0] & 0x09) == 0x01) {
SniffState = STATE_UID;
} else {
reset2REQA();
}
break;
case STATE_UID:
if (TrafficSource == TRAFFIC_CARD &&
BitCount == 5 * 9 &&
checkParityBits(Buffer, BitCount)) {
SniffState = STATE_SELECT;
} else {
reset2REQA();
}
break;
case STATE_SELECT:
// SELECT: 9 bytes, SEL = 93/95/97, NVB=70
if (TrafficSource == TRAFFIC_READER &&
BitCount == 9 * 8 &&
(Buffer[0] & 0xf0) == 0x90 &&
(Buffer[0] & 0x09) == 0x01 &&
Buffer[1] == 0x70) {
SniffState = STATE_SAK;
} else {
// Not valid, reset
reset2REQA();
}
break;
case STATE_SAK:
// SAK: 1Byte SAK + CRC
if (TrafficSource == TRAFFIC_CARD &&
BitCount == 3 * 9 &&
checkParityBits(Buffer, BitCount)) {
if ((Buffer[0] & 0x04) == 0x00) {
// UID complete, success SELECTED,
// Mark the current threshold as ok and finish
// reset
SniffState = STATE_REQA;
LED_PORT.OUTSET = LED_RED;
Thresholds[(tmp_th - CODEC_THRESHOLD_CALIBRATE_MIN) / CODEC_THRESHOLD_CALIBRATE_STEPS] += 1;
CommandLinePendingTaskFinished(COMMAND_INFO_OK_WITH_TEXT_ID, NULL);
// Send this threshold to terminal
char tmpBuf[10];
snprintf(tmpBuf, 10, "%4" PRIu16 ": ", tmp_th);
TerminalSendString(tmpBuf);
// Save value to EEPROM
SETTING_UPDATE(GlobalSettings.ActiveSettingPtr->ReaderThreshold);
Sniff14443AAppReset();
} else {
// UID not complete, goto ANTICOLLI
SniffState = STATE_ANTICOLLI;
}
} else {
reset2REQA();
}
break;
default:
break;
}
break;
}
default:
return 0;
}
return 0;
}
