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Quick fix for displaying valid 26-bit tags

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Quick fix for displaying valid 26-bit tags (#14834)
34-bit tags is a challenge as we currently do not support 64-bit variables. To be continued.
This commit is contained in:
Theo Arends 2022-02-14 18:29:26 +01:00
parent 5d9da0f971
commit 3e914a7ad1
1 changed files with 59 additions and 49 deletions
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108
tasmota/xsns_82_wiegand.ino
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@ -36,12 +36,12 @@
* *
* Rule: * Rule:
* on wiegand#uid=4302741608 do publish cmnd/ailight/power 2 endon * on wiegand#uid=4302741608 do publish cmnd/ailight/power 2 endon
* *
* contains: * contains:
* - fix for #11047 Wiegand 26/34 missed some key press if they are press at normal speed * - fix for #11047 Wiegand 26/34 missed some key press if they are press at normal speed
* - removed testing code for tests without attached hardware * - removed testing code for tests without attached hardware
* - added SetOption123 0-Wiegand UID decimal (default) 1-Wiegand UID hexadecimal * - added SetOption123 0-Wiegand UID decimal (default) 1-Wiegand UID hexadecimal
* - added SetOption124 0-all keys up to ending char (# or *) send as one tag by MQTT (default) 1-Keypad every key a single tag * - added SetOption124 0-all keys up to ending char (# or *) send as one tag by MQTT (default) 1-Keypad every key a single tag
* - added a new realtime testing option emulating a Wiegang reader output on same GPIOs where normally reader is attached. Details below * - added a new realtime testing option emulating a Wiegang reader output on same GPIOs where normally reader is attached. Details below
* - fix timing issue when fast glitches are detected on one on the datalines. The interbitgab was too short in that case * - fix timing issue when fast glitches are detected on one on the datalines. The interbitgab was too short in that case
\*********************************************************************************************/ \*********************************************************************************************/
@ -49,12 +49,12 @@
#define XSNS_82 82 #define XSNS_82 82
#define WIEGAND_CODE_GAP_FACTOR 3 // Gap between 2 complete RFID codes send by the device. (WIEGAND_CODE_GAP_FACTOR * bitTime) to detect the end of a code #define WIEGAND_CODE_GAP_FACTOR 3 // Gap between 2 complete RFID codes send by the device. (WIEGAND_CODE_GAP_FACTOR * bitTime) to detect the end of a code
#define WIEGAND_BIT_TIME_DEFAULT 1250 // period time (µs) of one bit (impluse + impulse_gap time) 1250µs measured by oscilloscope on my RFID Reader #define WIEGAND_BIT_TIME_DEFAULT 1250 // period time (µs) of one bit (impluse + impulse_gap time) 1250µs measured by oscilloscope on my RFID Reader
#define WIEGAND_RFID_ARRAY_SIZE 11 // storage of rfids found between 2 calls of FUNC_EVERY_100_MSECOND #define WIEGAND_RFID_ARRAY_SIZE 11 // storage of rfids found between 2 calls of FUNC_EVERY_100_MSECOND
#define WIEGAND_OPTION_HEX 123 // Index of option to switch output between hex (1) an decimal (0) (default) #define WIEGAND_OPTION_HEX 123 // Index of option to switch output between hex (1) an decimal (0) (default)
#define WIEGAND_OPTION_HEX_POSTFIX "h" // will be added after UID output nothing = "" #define WIEGAND_OPTION_HEX_POSTFIX "h" // will be added after UID output nothing = ""
#define WIEGAND_OPTION_KEYPAD_TO_TAG 124 //Index of option to switch output of key pad strokes between every single stroke one single char (0) (default) #define WIEGAND_OPTION_KEYPAD_TO_TAG 124 //Index of option to switch output of key pad strokes between every single stroke one single char (0) (default)
// or all strokes until detecting ending char (WIEGAND_OPTION_KEYPAD_END_CHAR) as one tag (1) // or all strokes until detecting ending char (WIEGAND_OPTION_KEYPAD_END_CHAR) as one tag (1)
#define DEV_WIEGAND_TEST_MODE 0 #define DEV_WIEGAND_TEST_MODE 0
@ -73,7 +73,7 @@
// WieBitTime [time] : get or set the bit impuls length // WieBitTime [time] : get or set the bit impuls length
// WieInterBitTime [time]: get or set the length of the gap between 2 bits // WieInterBitTime [time]: get or set the length of the gap between 2 bits
// WieTagGap [tagGap]: get or set the current used gap time between 2 tags send in µs minimal WIEGAND_BIT_TIME_DEFAULT µs default WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR // WieTagGap [tagGap]: get or set the current used gap time between 2 tags send in µs minimal WIEGAND_BIT_TIME_DEFAULT µs default WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR
// WieTagSize [tagsize]: get or set the tagsize (4,8,24,26,32,34) default 26. // WieTagSize [tagsize]: get or set the tagsize (4,8,24,26,32,34) default 26.
// WieTag [tag]: get or set the current used tag. For tagsize 4,8 only one char will be used. // WieTag [tag]: get or set the current used tag. For tagsize 4,8 only one char will be used.
// WieSend [tag[:tagsize];tag[:tagsize];...] : Generate the current Tag with current TagSize to GPIOs if the paramters are used // WieSend [tag[:tagsize];tag[:tagsize];...] : Generate the current Tag with current TagSize to GPIOs if the paramters are used
// tags and tagsize from commandline are used as current values. If tagsize is omitted always last value will be used // tags and tagsize from commandline are used as current values. If tagsize is omitted always last value will be used
@ -107,12 +107,12 @@ class Wiegand {
bool WiegandConversion (uint64_t , uint16_t ); bool WiegandConversion (uint64_t , uint16_t );
void setOutputFormat(void); // fix output HEX format void setOutputFormat(void); // fix output HEX format
void HandleKeyPad(void); //handle one tag for multi key strokes void HandleKeyPad(void); //handle one tag for multi key strokes
static void handleD0Interrupt(void); static void handleD0Interrupt(void);
static void handleD1Interrupt(void); static void handleD1Interrupt(void);
static void handleDxInterrupt(int in); // fix #11047 static void handleDxInterrupt(int in); // fix #11047
static void ClearRFIDBuffer(int); static void ClearRFIDBuffer(int);
uint64_t rfid; uint64_t rfid;
uint32_t tagSize; uint32_t tagSize;
@ -124,8 +124,8 @@ class Wiegand {
static volatile uint16_t bitCount; static volatile uint16_t bitCount;
static volatile uint32_t lastFoundTime; static volatile uint32_t lastFoundTime;
// fix #11047 // fix #11047
static volatile uint32_t bitTime; static volatile uint32_t bitTime;
static volatile uint32_t FirstBitTimeStamp; static volatile uint32_t FirstBitTimeStamp;
static volatile uint32_t CodeGapTime; static volatile uint32_t CodeGapTime;
static volatile bool CodeComplete; static volatile bool CodeComplete;
static volatile RFID_store rfid_found[]; static volatile RFID_store rfid_found[];
@ -137,7 +137,7 @@ Wiegand* oWiegand = new Wiegand();
volatile uint64_t Wiegand::rfidBuffer; volatile uint64_t Wiegand::rfidBuffer;
volatile uint16_t Wiegand::bitCount; volatile uint16_t Wiegand::bitCount;
volatile uint32_t Wiegand::lastFoundTime; volatile uint32_t Wiegand::lastFoundTime;
// fix for #11047 // fix for #11047
volatile uint32_t Wiegand::bitTime; volatile uint32_t Wiegand::bitTime;
volatile uint32_t Wiegand::FirstBitTimeStamp; volatile uint32_t Wiegand::FirstBitTimeStamp;
volatile uint32_t Wiegand::CodeGapTime; volatile uint32_t Wiegand::CodeGapTime;
@ -159,13 +159,13 @@ void IRAM_ATTR Wiegand::handleD1Interrupt() { // Receive a 1 bit. (D0=high & D1
} }
void IRAM_ATTR Wiegand::handleD0Interrupt() { // Receive a 0 bit. (D0=low & D1=high) void IRAM_ATTR Wiegand::handleD0Interrupt() { // Receive a 0 bit. (D0=low & D1=high)
handleDxInterrupt(0); handleDxInterrupt(0);
} }
void IRAM_ATTR Wiegand::handleDxInterrupt(int in) { void IRAM_ATTR Wiegand::handleDxInterrupt(int in) {
unsigned long curTime = micros(); // to be sure I will use micros() instead of millis() overflow is handle by using the minus operator to compare unsigned long curTime = micros(); // to be sure I will use micros() instead of millis() overflow is handle by using the minus operator to compare
unsigned long diffTime= curTime - lastFoundTime; unsigned long diffTime= curTime - lastFoundTime;
if ( (diffTime > CodeGapTime) && (bitCount > 0)) { if ( (diffTime > CodeGapTime) && (bitCount > 0)) {
// previous RFID tag (key pad numer)is complete. Will be detected by the code ending gap // previous RFID tag (key pad numer)is complete. Will be detected by the code ending gap
// one bit will take the time of impulse_time + impulse_gap_time. it (bitTime) will be recalculated each time an impulse is detected // one bit will take the time of impulse_time + impulse_gap_time. it (bitTime) will be recalculated each time an impulse is detected
// the devices will add some inter_code_gap_time to separate codes this will be much longer than the bit_time. (WIEGAND_CODE_GAP_FACTOR) // the devices will add some inter_code_gap_time to separate codes this will be much longer than the bit_time. (WIEGAND_CODE_GAP_FACTOR)
@ -174,23 +174,23 @@ void IRAM_ATTR Wiegand::handleDxInterrupt(int in) {
currentFoundRFIDcount++; currentFoundRFIDcount++;
} }
// start a new tag // start a new tag
rfidBuffer = 0; rfidBuffer = 0;
bitCount = 0; bitCount = 0;
FirstBitTimeStamp = 0; FirstBitTimeStamp = 0;
} }
if (in == 0) { rfidBuffer = rfidBuffer << 1; } // Receive a 0 bit. (D0=low & D1=high): Leftshift the 0 bit is now at the end of rfidBuffer if (in == 0) { rfidBuffer = rfidBuffer << 1; } // Receive a 0 bit. (D0=low & D1=high): Leftshift the 0 bit is now at the end of rfidBuffer
else if (in == 1) {rfidBuffer = (rfidBuffer << 1) | 1; } // Receive a 1 bit. (D0=high & D1=low): Leftshift + 1 bit else if (in == 1) {rfidBuffer = (rfidBuffer << 1) | 1; } // Receive a 1 bit. (D0=high & D1=low): Leftshift + 1 bit
else { return; } // (in==3) called by ScanForTag to get the last tag, because the interrupt handler is no longer called after receiving the last bit else { return; } // (in==3) called by ScanForTag to get the last tag, because the interrupt handler is no longer called after receiving the last bit
bitCount++; bitCount++;
if (bitCount == 1) { // first bit was detected if (bitCount == 1) { // first bit was detected
FirstBitTimeStamp = (curTime != 0) ? curTime : 1; // accept 1µs differenct to avoid a miss the first timestamp if curTime is 0. FirstBitTimeStamp = (curTime != 0) ? curTime : 1; // accept 1µs differenct to avoid a miss the first timestamp if curTime is 0.
} }
else if (bitCount == 2) { // only calculate once per RFID tag, but restrict to values, which are in within a plausible range else if (bitCount == 2) { // only calculate once per RFID tag, but restrict to values, which are in within a plausible range
bitTime = ((diffTime > (WIEGAND_BIT_TIME_DEFAULT/4)) && (diffTime < (4*WIEGAND_BIT_TIME_DEFAULT))) ? diffTime : WIEGAND_BIT_TIME_DEFAULT; bitTime = ((diffTime > (WIEGAND_BIT_TIME_DEFAULT/4)) && (diffTime < (4*WIEGAND_BIT_TIME_DEFAULT))) ? diffTime : WIEGAND_BIT_TIME_DEFAULT;
CodeGapTime = WIEGAND_CODE_GAP_FACTOR * bitTime; CodeGapTime = WIEGAND_CODE_GAP_FACTOR * bitTime;
} }
//save current rfid in array otherwise we will never see the last found tag //save current rfid in array otherwise we will never see the last found tag
rfid_found[currentFoundRFIDcount].RFID=rfidBuffer; rfid_found[currentFoundRFIDcount].RFID=rfidBuffer;
rfid_found[currentFoundRFIDcount].bitCount= bitCount; rfid_found[currentFoundRFIDcount].bitCount= bitCount;
@ -365,18 +365,18 @@ void Wiegand::HandleKeyPad(void) { // will be called if a valid key pad input wa
if (rfid >= 0x0a) { // # * as end of input detected -> all key values which are larger than 9 if (rfid >= 0x0a) { // # * as end of input detected -> all key values which are larger than 9
rfid = mqttRFIDKeypadBuffer; // original tagsize of 4 or 8 will be kept. rfid = mqttRFIDKeypadBuffer; // original tagsize of 4 or 8 will be kept.
webRFIDKeypadBuffer = 0; // can be resetted, because now rfid > 0 will be used at web interface webRFIDKeypadBuffer = 0; // can be resetted, because now rfid > 0 will be used at web interface
mqttRFIDKeypadBuffer = 0; mqttRFIDKeypadBuffer = 0;
} }
else { else {
mqttRFIDKeypadBuffer = (mqttRFIDKeypadBuffer*10)+rfid; //left shift + new key mqttRFIDKeypadBuffer = (mqttRFIDKeypadBuffer*10)+rfid; //left shift + new key
webRFIDKeypadBuffer = mqttRFIDKeypadBuffer; // visualising the current typed keys webRFIDKeypadBuffer = mqttRFIDKeypadBuffer; // visualising the current typed keys
rfid = 0; rfid = 0;
tagSize = 0; tagSize = 0;
} }
} }
else { //it's not a key pad entry, so another key come in, we will reset the buffer, if it is not finished yet else { //it's not a key pad entry, so another key come in, we will reset the buffer, if it is not finished yet
webRFIDKeypadBuffer = 0; webRFIDKeypadBuffer = 0;
mqttRFIDKeypadBuffer = 0; mqttRFIDKeypadBuffer = 0;
} }
} }
} }
@ -390,10 +390,9 @@ void Wiegand::ScanForTag() {
AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag(). bitTime: %0lu lastFoundTime: %0lu RFIDS in buffer: %lu"), bitTime, lastFoundTime, currentFoundRFIDcount); AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag(). bitTime: %0lu lastFoundTime: %0lu RFIDS in buffer: %lu"), bitTime, lastFoundTime, currentFoundRFIDcount);
#endif #endif
// format MQTT output // format MQTT output
setOutputFormat(); // setOutputFormat();
char sFormat[50]; // char sFormat[50];
snprintf( sFormat, 50, PSTR(",\"Wiegand\":{\"UID\":%%0ll%s,\"" D_JSON_SIZE "\":%%%s}}"), outFormat, outFormat); // snprintf( sFormat, 50, PSTR(",\"Wiegand\":{\"UID\":%%0ll%s,\"" D_JSON_SIZE "\":%%%s}}"), outFormat, outFormat);
for (int i= 0; i < WIEGAND_RFID_ARRAY_SIZE; i++) for (int i= 0; i < WIEGAND_RFID_ARRAY_SIZE; i++)
{ {
if (rfid_found[i].RFID != 0 || (rfid_found[i].RFID == 0 && i == 0)) { if (rfid_found[i].RFID != 0 || (rfid_found[i].RFID == 0 && i == 0)) {
@ -403,12 +402,18 @@ void Wiegand::ScanForTag() {
AddLog(LOG_LEVEL_INFO, PSTR("WIE: ValidKey: %d Previous tag %llu"), validKey, oldTag); AddLog(LOG_LEVEL_INFO, PSTR("WIE: ValidKey: %d Previous tag %llu"), validKey, oldTag);
#endif // DEV_WIEGAND_TEST_MODE>0 #endif // DEV_WIEGAND_TEST_MODE>0
if (validKey) { // Only in case of valid key do action. Issue#10585 if (validKey) { // Only in case of valid key do action. Issue#10585
HandleKeyPad(); //support one tag for multi key input HandleKeyPad(); //support one tag for multi key input
if (tagSize>0) { //do output only for rfids which are complete if (tagSize>0) { //do output only for rfids which are complete
if (oldTag == rfid) { if (oldTag == rfid) {
AddLog(LOG_LEVEL_DEBUG, PSTR("WIE: Old tag")); AddLog(LOG_LEVEL_DEBUG, PSTR("WIE: Old tag"));
} }
ResponseTime_P(sFormat, rfid, tagSize); // ResponseTime_P(sFormat, rfid, tagSize);
// Tasmota does not support 64-bit decimal output specifier (%llu) saving 60k code
if (GetOption(WIEGAND_OPTION_HEX) == 0) {
ResponseTime_P(PSTR(",\"Wiegand\":{\"UID\":%lu,\"" D_JSON_SIZE "\":%d}}"), (uint32_t)rfid, tagSize);
} else {
ResponseTime_P(PSTR(",\"Wiegand\":{\"UID\":\"%2_X" WIEGAND_OPTION_HEX_POSTFIX "\",\"" D_JSON_SIZE "\":\"%X" WIEGAND_OPTION_HEX_POSTFIX "\"}}"), &rfid, tagSize);
}
MqttPublishTeleSensor(); MqttPublishTeleSensor();
} }
} }
@ -417,24 +422,29 @@ void Wiegand::ScanForTag() {
if (currentFoundRFIDcount > lastFoundRFIDcount) { if (currentFoundRFIDcount > lastFoundRFIDcount) {
// if that happens: we need to move the id found during the loop to top of the array // if that happens: we need to move the id found during the loop to top of the array
// and correct the currentFoundRFIDcount // and correct the currentFoundRFIDcount
AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag() %lu tags added while working on buffer"), (currentFoundRFIDcount-lastFoundRFIDcount)); AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag() %lu tags added while working on buffer"), (currentFoundRFIDcount-lastFoundRFIDcount));
} }
ClearRFIDBuffer(); //reset array ClearRFIDBuffer(); //reset array
#if (DEV_WIEGAND_TEST_MODE)>0 #if (DEV_WIEGAND_TEST_MODE)>0
AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag() time elapsed %lu"), (micros() - startTime)); AddLog(LOG_LEVEL_INFO, PSTR("WIE: ScanForTag() time elapsed %lu"), (micros() - startTime));
#endif #endif
} }
} }
#ifdef USE_WEBSERVER #ifdef USE_WEBSERVER
void Wiegand::Show(void) { void Wiegand::Show(void) {
setOutputFormat(); // setOutputFormat();
char sFormat [30]; // char sFormat [30];
snprintf( sFormat, 30,PSTR("{s}Wiegand UID{m}%%ll%s {e}"), outFormat); // snprintf( sFormat, 30,PSTR("{s}Wiegand UID{m}%%ll%s {e}"), outFormat);
if (tagSize>0) { WSContentSend_PD(sFormat, rfid); } // if (tagSize>0) { WSContentSend_PD(sFormat, rfid); }
else { WSContentSend_PD(sFormat, webRFIDKeypadBuffer); } // else { WSContentSend_PD(sFormat, webRFIDKeypadBuffer); }
// Tasmota does not support 64-bit decimal output specifier (%llu) saving 60k code
if (GetOption(WIEGAND_OPTION_HEX) == 0) {
WSContentSend_P(PSTR("{s}Wiegand UID{m}%lu{e}"), (tagSize>0) ? (uint32_t)rfid : (uint32_t)webRFIDKeypadBuffer);
} else {
WSContentSend_P(PSTR("{s}Wiegand UID{m}%2_X" WIEGAND_OPTION_HEX_POSTFIX "{e}"), (tagSize>0) ? &rfid : &webRFIDKeypadBuffer);
}
#if (DEV_WIEGAND_TEST_MODE)>0 #if (DEV_WIEGAND_TEST_MODE)>0
AddLog(LOG_LEVEL_INFO, PSTR("WIE: Tag %llu, Bits %u"), rfid, bitCount); AddLog(LOG_LEVEL_INFO, PSTR("WIE: Tag %llu, Bits %u"), rfid, bitCount);
#endif // DEV_WIEGAND_TEST_MODE>0 #endif // DEV_WIEGAND_TEST_MODE>0
@ -461,11 +471,11 @@ void Wiegand::Show(void) {
uint32_t currBitTime=(WIEGAND_BIT_TIME_DEFAULT/10); //length of the bit impluse in µs uint32_t currBitTime=(WIEGAND_BIT_TIME_DEFAULT/10); //length of the bit impluse in µs
uint32_t currInterBitTime = ((WIEGAND_BIT_TIME_DEFAULT/10)*9); //time to wait before next bit is send in µs uint32_t currInterBitTime = ((WIEGAND_BIT_TIME_DEFAULT/10)*9); //time to wait before next bit is send in µs
uint32_t currTagGabTime = (WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR) ; //time to wait before next tag is send in µs uint32_t currTagGabTime = (WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR) ; //time to wait before next tag is send in µs
void CmndTag(void){ void CmndTag(void){
if (XdrvMailbox.data_len > 0) { if (XdrvMailbox.data_len > 0) {
currTag= strtoul(XdrvMailbox.data, nullptr, 0); currTag= strtoul(XdrvMailbox.data, nullptr, 0);
} }
ResponseCmndNumber(currTag); ResponseCmndNumber(currTag);
} }
@ -500,9 +510,9 @@ void Wiegand::Show(void) {
ResponseCmndNumber(currInterBitTime); ResponseCmndNumber(currInterBitTime);
} }
void CmndTimeReset(void){ void CmndTimeReset(void){
currBitTime=(WIEGAND_BIT_TIME_DEFAULT/10); currBitTime=(WIEGAND_BIT_TIME_DEFAULT/10);
currInterBitTime = ((WIEGAND_BIT_TIME_DEFAULT/10)*9); currInterBitTime = ((WIEGAND_BIT_TIME_DEFAULT/10)*9);
currTagGabTime = (WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR) ; currTagGabTime = (WIEGAND_BIT_TIME_DEFAULT * WIEGAND_CODE_GAP_FACTOR) ;
ResponseCmndChar_P(PSTR("All timings reset to default!")); ResponseCmndChar_P(PSTR("All timings reset to default!"));
} }
void CmndAllReset(void){ void CmndAllReset(void){
@ -518,12 +528,12 @@ void Wiegand::Show(void) {
if (pTagSize != 0) { // 2 parameters found tag:tagsize if (pTagSize != 0) { // 2 parameters found tag:tagsize
*pTagSize = 0; //replace separator ':' by \0 string end *pTagSize = 0; //replace separator ':' by \0 string end
currTag = setTag(parameter); // is now ending before tagsize currTag = setTag(parameter); // is now ending before tagsize
pTagSize++; //set the starting char of tagsize correctly pTagSize++; //set the starting char of tagsize correctly
currTagSize = setTagSize(pTagSize); currTagSize = setTagSize(pTagSize);
ResponseCmndChar(pTagSize); ResponseCmndChar(pTagSize);
} }
else {//only one parameter (tag) found else {//only one parameter (tag) found
currTag = setTag(parameter); currTag = setTag(parameter);
} }
ResponseCmndChar(parameter); ResponseCmndChar(parameter);
sendTag(currTag, currTagSize); sendTag(currTag, currTagSize);
@ -587,7 +597,7 @@ void Wiegand::Show(void) {
case 8: // high nibble is ~ low nibble case 8: // high nibble is ~ low nibble
Tag = Tag & 0x0F; // low nibble in case of more the one char input it will be cut here Tag = Tag & 0x0F; // low nibble in case of more the one char input it will be cut here
Tag = Tag | ((~Tag) << 4); Tag = Tag | ((~Tag) << 4);
sendPlainTag ( Tag, TagSize); sendPlainTag ( Tag, TagSize);
break; break;
} }
//delay to simulate end of tag //delay to simulate end of tag