Having some issues that dont seem to make sense.
Firstly modified your code to work with my output pins....
void setup(){
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
delay(1000);
}
void writeD0(){
digitalWrite(10, LOW);
delayMicroseconds(50);
digitalWrite(10, HIGH);
}
void writeD1(){
digitalWrite(11, LOW);
delayMicroseconds(50);
digitalWrite(11, HIGH);
}
long unsigned int number = 0x1765; // the number you want to send
void loop(){
int mask = 1;
for(int i=0; i<26; i++){ // send the first 26 bits of it
if((mask & number) == 0) writeD0; else writeD1;
mask = mask << 1;
delay(2);
}
delay(1000);
}
The Wiegand reader does not seem to accept this at all it looks good to me and i do not understand why it is not working.
Below is my code. It accepts a 27 bit code and spits out a 26bit code. This works fine. (had to remove formatting due to NDA format simply reversed)
int i;
int reader1[30];
int readerTmp[30];
volatile int reader1Count = 0;
void reader1One(void) {
reader1[reader1Count] = 1;
reader1Count++;
}
void reader1Zero(void) {
reader1[reader1Count] = 0;
reader1Count++;
}
void setup()
{
Serial.begin(57600);
// Attach pin change interrupt service routines from the Wiegand RFID readers
attachInterrupt(0, reader1Zero, FALLING);//DATA0 to pin 2
attachInterrupt(1, reader1One, FALLING); //DATA1 to pin 3
delay(10);
//Set pins 10/D0 and 11/D1 to output for re transmission
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
// the interrupt in the Atmel processor mises out the first negitave pulse as the inputs are already high,
// so this gives a pulse to each reader input line to get the interrupts working properly.
// Then clear out the reader variables.
// The readers are open collector sitting normally at a one so this is OK
for(int i = 2; i<4; i++){
pinMode(i, OUTPUT);
digitalWrite(i, HIGH); // enable internal pull up causing a one
digitalWrite(i, LOW); // disable internal pull up causing zero and thus an interrupt
pinMode(i, INPUT);
digitalWrite(i, HIGH); // enable internal pull up
}
delay(10);
// put the reader input variables to zero
for (i = 0; i < 30; i = i + 1) {
reader1[i] = 0;
}
reader1Count = 0;
digitalWrite(13, HIGH); // show Arduino has finished initilisation
}
void loop() {
if(reader1Count >= 27){
Serial.println("A");
readerTmp[0] = reader1[25] ;
readerTmp[1] = reader1[24] ;
readerTmp[2] = reader1[23] ;
readerTmp[3] = reader1[22] ;
readerTmp[4] = reader1[21] ;
readerTmp[5] = reader1[20] ;
readerTmp[6] = reader1[19] ;
readerTmp[7] = reader1[18] ;
readerTmp[8] = reader1[17] ;
readerTmp[9] = reader1[16] ;
readerTmp[10] = reader1[15] ;
readerTmp[11] = reader1[14] ;
readerTmp[12] = reader1[13] ;
readerTmp[13] = reader1[12] ;
readerTmp[14] = reader1[11] ;
readerTmp[15] = reader1[10] ;
readerTmp[16] = reader1[9] ;
readerTmp[17] = reader1[8] ;
readerTmp[18] = reader1[7] ;
readerTmp[19] = reader1[6] ;
readerTmp[20] = reader1[5] ;
readerTmp[21] = reader1[4] ;
readerTmp[22] = reader1[3] ;
readerTmp[23] = reader1[2] ;
readerTmp[24] = reader1[1] ;
readerTmp[25] = reader1[0] ;
for (i = 0; i < 26; i = i + 1) {
if(readerTmp[i] == 0){
delay(2);
digitalWrite(10, LOW);
delayMicroseconds(50);
digitalWrite(10, HIGH);
}else{
delay(2);
digitalWrite(11, LOW);
delayMicroseconds(50);
digitalWrite(11, HIGH);
}
Serial.print(reader1[i]);
reader1[i] = 0;
}
Serial.println("");
reader1Count = 0;
}
}
Now as far as i can tell your code and my code are doing the exact same thing as far as the output therefore i do not understand why one works and not hte other. I am having simular issues with my code.
As advised the above code works. But if i modify it to add the parity bits it stops working. It also seems to stop working when i put certain vales in certain places. When i say its not working it accepts the signal - shows the conversion in the serial monitor but the clock is not receiving hte transmission. I know its not a cabling issue as it works on one sketch and not the other. I have reviewed my code numerious times but am getting no where.
IF somone could point me in the right direction it would be much appreaciated.
int i;
int reader1[30];
int readerTmp[30];
volatile int reader1Count = 0;
void reader1One(void) {
reader1[reader1Count] = 1;
reader1Count++;
}
void reader1Zero(void) {
reader1[reader1Count] = 0;
reader1Count++;
}
void setup()
{
Serial.begin(57600);
// Attach pin change interrupt service routines from the Wiegand RFID readers
attachInterrupt(0, reader1Zero, FALLING);//DATA0 to pin 2
attachInterrupt(1, reader1One, FALLING); //DATA1 to pin 3
delay(10);
//Set pins 10/D0 and 11/D1 to output for re transmission
pinMode(10, OUTPUT);
pinMode(11, OUTPUT);
digitalWrite(10, HIGH);
digitalWrite(11, HIGH);
// the interrupt in the Atmel processor mises out the first negitave pulse as the inputs are already high,
// so this gives a pulse to each reader input line to get the interrupts working properly.
// Then clear out the reader variables.
// The readers are open collector sitting normally at a one so this is OK
for(int i = 2; i<4; i++){
pinMode(i, OUTPUT);
digitalWrite(i, HIGH); // enable internal pull up causing a one
digitalWrite(i, LOW); // disable internal pull up causing zero and thus an interrupt
pinMode(i, INPUT);
digitalWrite(i, HIGH); // enable internal pull up
}
delay(10);
// put the reader input variables to zero
for (i = 0; i < 30; i = i + 1) {
reader1[i] = 0;
}
reader1Count = 0;
digitalWrite(13, HIGH); // show Arduino has finished initilisation
}
void loop() {
if(reader1Count >= 27){
Serial.println("A");
readerTmp[0] = reader1[25] ;
readerTmp[1] = reader1[24] ;
readerTmp[2] = reader1[23] ;
readerTmp[3] = reader1[22] ;
readerTmp[4] = reader1[21] ;
readerTmp[5] = reader1[20] ;
readerTmp[6] = reader1[19] ;
readerTmp[7] = reader1[18] ;
readerTmp[8] = reader1[17] ;
readerTmp[9] = reader1[16] ;
readerTmp[10] = reader1[15] ;
readerTmp[11] = reader1[14] ;
readerTmp[12] = reader1[13] ;
readerTmp[13] = reader1[12] ;
readerTmp[14] = reader1[11] ;
readerTmp[15] = reader1[10] ;
readerTmp[16] = reader1[9] ;
readerTmp[17] = reader1[8] ;
readerTmp[18] = reader1[7] ;
readerTmp[19] = reader1[6] ;
readerTmp[20] = reader1[5] ;
readerTmp[21] = reader1[4] ;
readerTmp[22] = reader1[3] ;
readerTmp[23] = reader1[2] ;
readerTmp[24] = reader1[1] ;
readerTmp[25] = reader1[0] ;
//If sum of segments 2 to 13 even then First parity 1
if ((readerTmp[1] + readerTmp[2] + readerTmp[3] + readerTmp[4] + readerTmp[5] + readerTmp[6] + readerTmp[7] + readerTmp[8] + readerTmp[9] + readerTmp[10] + readerTmp[11] + readerTmp[12]) % 2){
readerTmp[0] = 0;
Serial.println("even = odd");
}else{
readerTmp[0] = 1;
Serial.println("even = even");
}
//If sum of segments 14 to 25 even then last parity 1
if ((readerTmp[13] + readerTmp[14] + readerTmp[15] + readerTmp[16] + readerTmp[17] + readerTmp[18] + readerTmp[19] + readerTmp[20] + readerTmp[21] + readerTmp[22] + readerTmp[23] + readerTmp[24]) % 2){
readerTmp[25] = 0;
Serial.println("odd = odd");
}else{
readerTmp[25] = 1;
Serial.println("odd = even");
}
for (i = 0; i < 26; i = i + 1) {
if(readerTmp[i] == 0){
delay(2);
digitalWrite(10, LOW);
delayMicroseconds(50);
digitalWrite(10, HIGH);
}else{
delay(2);
digitalWrite(11, LOW);
delayMicroseconds(50);
digitalWrite(11, HIGH);
}
Serial.print(reader1[i]);
reader1[i] = 0;
}
Serial.println("");
reader1Count = 0;
}
}
