ESP8266 Community Forum

- Tue Aug 09, 2016 3:01 pm #52588 All DONE!
I can read from the reader all 5 bytes, put them in individual vars, convert decimal to hex AND provide the tag ID!!!
Code below for others who may want to read a tag. This is just a code fragment now, but I will put with other code and thanks to Mike, will offer a RFID lock.

Code: Select allmemclear
'dimension string and numeric arrays
dim h$(5)                        'Hex array
dim d(5)                        'Decimal array

serialbranch [serialin]
wait

[serialin]
'Try this a byte at a time????
do
    d(1) = str(serial.read.int())
    d(2) = str(serial.read.int())
    d(3) = str(serial.read.int())
    d(4) = str(serial.read.int())
    d(5) = str(serial.read.int())
Loop while Serial.available()         'loop through and put each byte in its own var

    for x=1 to 5                  'Converts dec to hex in bytes
        h$(x)=hex(d(x))       
next x

for x=1 to 5                     'This confirms by printing that it is working
        print "x=" & x & "  " & "decimal=" & d(x) & "  " & "Hex=" & (h$(x))
next x   
    print hextoint(h$(1)&h$(2)&h$(3)&h$(4))      'Prints tag ID in decimal - HAS TROUBLE HERE
end



Print Output:
x=1 decimal=0 Hex=0
x=2 decimal=130 Hex=82
x=3 decimal=107 Hex=6b
x=4 decimal=111 Hex=6f
x=5 decimal=134 Hex=86
8547183
Done...

Thanks to Mike an 'Bugs' - you guys pointed me in the right direction and perusing the Arduino pages also helped with what I could do with the 2 new statements.

Will push an example later to the Projects section.

Thanks and Regards,
Steve

If we knew what we were doing, it wouldn't be called research.
- Albert Einstein

- Tue Aug 09, 2016 3:21 pm #52590 Glad you got there - misleading datasheet notwithstanding!
(from your first post)

2.CHECKSUM: card 10byte DATA entire do XOR operation
|-02-|-----10 ASCII Data Characters-----|-----Chechsum-----|-03-|

Sorry if I lead you down the wrong path. I see from your final program that the device IS actually sending the raw 5 bytes - not as specified on the datasheet.

Off to the other forum section to add my voice to those nagging Mike to show the version number on the download page.

- Tue Aug 09, 2016 3:25 pm #52591 Thanks Bugs for the assist. Yeah, started with bad info as well. I thought that WAS the data from this device turns out it was not.....
You gave me ideas and I worked them out.
Thanks again,
Steve

If we knew what we were doing, it wouldn't be called research.
- Albert Einstein